mirror of
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9126f0091f
On ARM I have the following compilation errors:
CC fast-import.o
In file included from cache.h:8,
from builtin.h:6,
from fast-import.c:142:
arm/sha1.h:14: error: conflicting types for 'SHA_CTX'
/usr/include/openssl/sha.h:105: error: previous declaration of 'SHA_CTX' was here
arm/sha1.h:16: error: conflicting types for 'SHA1_Init'
/usr/include/openssl/sha.h:115: error: previous declaration of 'SHA1_Init' was here
arm/sha1.h:17: error: conflicting types for 'SHA1_Update'
/usr/include/openssl/sha.h:116: error: previous declaration of 'SHA1_Update' was here
arm/sha1.h:18: error: conflicting types for 'SHA1_Final'
/usr/include/openssl/sha.h:117: error: previous declaration of 'SHA1_Final' was here
make: *** [fast-import.o] Error 1
This is because openssl header files are always included in
git-compat-util.h since commit 684ec6c63c whenever NO_OPENSSL is not
set, which somehow brings in <openssl/sha1.h> clashing with the custom
ARM version. Compilation of git is probably broken on PPC too for the
same reason.
Turns out that the only file requiring openssl/ssl.h and openssl/err.h
is imap-send.c. But only moving those problematic includes there
doesn't solve the issue as it also includes cache.h which brings in the
conflicting local SHA1 header file.
As suggested by Jeff King, the best solution is to rename our references
to SHA1 functions and structure to something git specific, and define those
according to the implementation used.
Signed-off-by: Nicolas Pitre <nico@cam.org>
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
2459 lines
64 KiB
C
2459 lines
64 KiB
C
#include "cache.h"
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#include "commit.h"
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#include "pack.h"
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#include "tag.h"
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#include "blob.h"
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#include "http.h"
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#include "refs.h"
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#include "diff.h"
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#include "revision.h"
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#include "exec_cmd.h"
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#include "remote.h"
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#include "list-objects.h"
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#include <expat.h>
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static const char http_push_usage[] =
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"git http-push [--all] [--dry-run] [--force] [--verbose] <remote> [<head>...]\n";
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#ifndef XML_STATUS_OK
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enum XML_Status {
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XML_STATUS_OK = 1,
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XML_STATUS_ERROR = 0
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};
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#define XML_STATUS_OK 1
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#define XML_STATUS_ERROR 0
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#endif
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#define PREV_BUF_SIZE 4096
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#define RANGE_HEADER_SIZE 30
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/* DAV methods */
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#define DAV_LOCK "LOCK"
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#define DAV_MKCOL "MKCOL"
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#define DAV_MOVE "MOVE"
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#define DAV_PROPFIND "PROPFIND"
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#define DAV_PUT "PUT"
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#define DAV_UNLOCK "UNLOCK"
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#define DAV_DELETE "DELETE"
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/* DAV lock flags */
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#define DAV_PROP_LOCKWR (1u << 0)
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#define DAV_PROP_LOCKEX (1u << 1)
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#define DAV_LOCK_OK (1u << 2)
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/* DAV XML properties */
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#define DAV_CTX_LOCKENTRY ".multistatus.response.propstat.prop.supportedlock.lockentry"
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#define DAV_CTX_LOCKTYPE_WRITE ".multistatus.response.propstat.prop.supportedlock.lockentry.locktype.write"
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#define DAV_CTX_LOCKTYPE_EXCLUSIVE ".multistatus.response.propstat.prop.supportedlock.lockentry.lockscope.exclusive"
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#define DAV_ACTIVELOCK_OWNER ".prop.lockdiscovery.activelock.owner.href"
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#define DAV_ACTIVELOCK_TIMEOUT ".prop.lockdiscovery.activelock.timeout"
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#define DAV_ACTIVELOCK_TOKEN ".prop.lockdiscovery.activelock.locktoken.href"
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#define DAV_PROPFIND_RESP ".multistatus.response"
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#define DAV_PROPFIND_NAME ".multistatus.response.href"
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#define DAV_PROPFIND_COLLECTION ".multistatus.response.propstat.prop.resourcetype.collection"
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/* DAV request body templates */
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#define PROPFIND_SUPPORTEDLOCK_REQUEST "<?xml version=\"1.0\" encoding=\"utf-8\" ?>\n<D:propfind xmlns:D=\"DAV:\">\n<D:prop xmlns:R=\"%s\">\n<D:supportedlock/>\n</D:prop>\n</D:propfind>"
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#define PROPFIND_ALL_REQUEST "<?xml version=\"1.0\" encoding=\"utf-8\" ?>\n<D:propfind xmlns:D=\"DAV:\">\n<D:allprop/>\n</D:propfind>"
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#define LOCK_REQUEST "<?xml version=\"1.0\" encoding=\"utf-8\" ?>\n<D:lockinfo xmlns:D=\"DAV:\">\n<D:lockscope><D:exclusive/></D:lockscope>\n<D:locktype><D:write/></D:locktype>\n<D:owner>\n<D:href>mailto:%s</D:href>\n</D:owner>\n</D:lockinfo>"
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#define LOCK_TIME 600
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#define LOCK_REFRESH 30
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/* bits #0-15 in revision.h */
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#define LOCAL (1u<<16)
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#define REMOTE (1u<<17)
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#define FETCHING (1u<<18)
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#define PUSHING (1u<<19)
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/* We allow "recursive" symbolic refs. Only within reason, though */
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#define MAXDEPTH 5
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static int pushing;
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static int aborted;
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static signed char remote_dir_exists[256];
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static struct curl_slist *no_pragma_header;
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static int push_verbosely;
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static int push_all = MATCH_REFS_NONE;
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static int force_all;
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static int dry_run;
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static struct object_list *objects;
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struct repo
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{
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char *url;
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int path_len;
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int has_info_refs;
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int can_update_info_refs;
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int has_info_packs;
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struct packed_git *packs;
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struct remote_lock *locks;
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};
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static struct repo *remote;
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enum transfer_state {
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NEED_FETCH,
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RUN_FETCH_LOOSE,
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RUN_FETCH_PACKED,
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NEED_PUSH,
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RUN_MKCOL,
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RUN_PUT,
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RUN_MOVE,
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ABORTED,
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COMPLETE,
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};
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struct transfer_request
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{
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struct object *obj;
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char *url;
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char *dest;
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struct remote_lock *lock;
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struct curl_slist *headers;
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struct buffer buffer;
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char filename[PATH_MAX];
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char tmpfile[PATH_MAX];
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int local_fileno;
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FILE *local_stream;
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enum transfer_state state;
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CURLcode curl_result;
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char errorstr[CURL_ERROR_SIZE];
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long http_code;
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unsigned char real_sha1[20];
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git_SHA_CTX c;
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z_stream stream;
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int zret;
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int rename;
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void *userData;
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struct active_request_slot *slot;
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struct transfer_request *next;
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};
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static struct transfer_request *request_queue_head;
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struct xml_ctx
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{
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char *name;
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int len;
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char *cdata;
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void (*userFunc)(struct xml_ctx *ctx, int tag_closed);
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void *userData;
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};
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struct remote_lock
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{
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char *url;
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char *owner;
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char *token;
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time_t start_time;
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long timeout;
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int refreshing;
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struct remote_lock *next;
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};
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/* Flags that control remote_ls processing */
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#define PROCESS_FILES (1u << 0)
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#define PROCESS_DIRS (1u << 1)
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#define RECURSIVE (1u << 2)
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/* Flags that remote_ls passes to callback functions */
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#define IS_DIR (1u << 0)
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struct remote_ls_ctx
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{
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char *path;
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void (*userFunc)(struct remote_ls_ctx *ls);
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void *userData;
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int flags;
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char *dentry_name;
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int dentry_flags;
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struct remote_ls_ctx *parent;
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};
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static void finish_request(struct transfer_request *request);
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static void release_request(struct transfer_request *request);
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static void process_response(void *callback_data)
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{
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struct transfer_request *request =
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(struct transfer_request *)callback_data;
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finish_request(request);
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}
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#ifdef USE_CURL_MULTI
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static size_t fwrite_sha1_file(void *ptr, size_t eltsize, size_t nmemb,
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void *data)
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{
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unsigned char expn[4096];
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size_t size = eltsize * nmemb;
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int posn = 0;
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struct transfer_request *request = (struct transfer_request *)data;
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do {
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ssize_t retval = xwrite(request->local_fileno,
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(char *) ptr + posn, size - posn);
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if (retval < 0)
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return posn;
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posn += retval;
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} while (posn < size);
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request->stream.avail_in = size;
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request->stream.next_in = ptr;
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do {
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request->stream.next_out = expn;
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request->stream.avail_out = sizeof(expn);
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request->zret = inflate(&request->stream, Z_SYNC_FLUSH);
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git_SHA1_Update(&request->c, expn,
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sizeof(expn) - request->stream.avail_out);
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} while (request->stream.avail_in && request->zret == Z_OK);
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data_received++;
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return size;
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}
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static void start_fetch_loose(struct transfer_request *request)
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{
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char *hex = sha1_to_hex(request->obj->sha1);
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char *filename;
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char prevfile[PATH_MAX];
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char *url;
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char *posn;
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int prevlocal;
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unsigned char prev_buf[PREV_BUF_SIZE];
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ssize_t prev_read = 0;
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long prev_posn = 0;
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char range[RANGE_HEADER_SIZE];
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struct curl_slist *range_header = NULL;
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struct active_request_slot *slot;
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filename = sha1_file_name(request->obj->sha1);
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snprintf(request->filename, sizeof(request->filename), "%s", filename);
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snprintf(request->tmpfile, sizeof(request->tmpfile),
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"%s.temp", filename);
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snprintf(prevfile, sizeof(prevfile), "%s.prev", request->filename);
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unlink(prevfile);
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rename(request->tmpfile, prevfile);
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unlink(request->tmpfile);
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if (request->local_fileno != -1)
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error("fd leakage in start: %d", request->local_fileno);
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request->local_fileno = open(request->tmpfile,
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O_WRONLY | O_CREAT | O_EXCL, 0666);
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/* This could have failed due to the "lazy directory creation";
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* try to mkdir the last path component.
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*/
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if (request->local_fileno < 0 && errno == ENOENT) {
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char *dir = strrchr(request->tmpfile, '/');
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if (dir) {
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*dir = 0;
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mkdir(request->tmpfile, 0777);
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*dir = '/';
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}
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request->local_fileno = open(request->tmpfile,
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O_WRONLY | O_CREAT | O_EXCL, 0666);
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}
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if (request->local_fileno < 0) {
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request->state = ABORTED;
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error("Couldn't create temporary file %s for %s: %s",
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request->tmpfile, request->filename, strerror(errno));
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return;
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}
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memset(&request->stream, 0, sizeof(request->stream));
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inflateInit(&request->stream);
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git_SHA1_Init(&request->c);
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url = xmalloc(strlen(remote->url) + 50);
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request->url = xmalloc(strlen(remote->url) + 50);
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strcpy(url, remote->url);
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posn = url + strlen(remote->url);
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strcpy(posn, "objects/");
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posn += 8;
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memcpy(posn, hex, 2);
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posn += 2;
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*(posn++) = '/';
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strcpy(posn, hex + 2);
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strcpy(request->url, url);
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/* If a previous temp file is present, process what was already
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fetched. */
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prevlocal = open(prevfile, O_RDONLY);
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if (prevlocal != -1) {
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do {
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prev_read = xread(prevlocal, prev_buf, PREV_BUF_SIZE);
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if (prev_read>0) {
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if (fwrite_sha1_file(prev_buf,
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1,
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prev_read,
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request) == prev_read) {
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prev_posn += prev_read;
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} else {
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prev_read = -1;
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}
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}
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} while (prev_read > 0);
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close(prevlocal);
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}
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unlink(prevfile);
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/* Reset inflate/SHA1 if there was an error reading the previous temp
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file; also rewind to the beginning of the local file. */
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if (prev_read == -1) {
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memset(&request->stream, 0, sizeof(request->stream));
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inflateInit(&request->stream);
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git_SHA1_Init(&request->c);
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if (prev_posn>0) {
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prev_posn = 0;
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lseek(request->local_fileno, 0, SEEK_SET);
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ftruncate(request->local_fileno, 0);
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}
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}
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slot = get_active_slot();
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slot->callback_func = process_response;
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slot->callback_data = request;
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request->slot = slot;
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curl_easy_setopt(slot->curl, CURLOPT_FILE, request);
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curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_sha1_file);
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curl_easy_setopt(slot->curl, CURLOPT_ERRORBUFFER, request->errorstr);
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curl_easy_setopt(slot->curl, CURLOPT_URL, url);
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curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, no_pragma_header);
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/* If we have successfully processed data from a previous fetch
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attempt, only fetch the data we don't already have. */
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if (prev_posn>0) {
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if (push_verbosely)
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fprintf(stderr,
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"Resuming fetch of object %s at byte %ld\n",
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hex, prev_posn);
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sprintf(range, "Range: bytes=%ld-", prev_posn);
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range_header = curl_slist_append(range_header, range);
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curl_easy_setopt(slot->curl,
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CURLOPT_HTTPHEADER, range_header);
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}
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/* Try to get the request started, abort the request on error */
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request->state = RUN_FETCH_LOOSE;
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if (!start_active_slot(slot)) {
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fprintf(stderr, "Unable to start GET request\n");
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remote->can_update_info_refs = 0;
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release_request(request);
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}
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}
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static void start_mkcol(struct transfer_request *request)
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{
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char *hex = sha1_to_hex(request->obj->sha1);
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struct active_request_slot *slot;
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char *posn;
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request->url = xmalloc(strlen(remote->url) + 13);
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strcpy(request->url, remote->url);
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posn = request->url + strlen(remote->url);
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strcpy(posn, "objects/");
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posn += 8;
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memcpy(posn, hex, 2);
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posn += 2;
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strcpy(posn, "/");
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slot = get_active_slot();
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slot->callback_func = process_response;
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slot->callback_data = request;
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curl_easy_setopt(slot->curl, CURLOPT_HTTPGET, 1); /* undo PUT setup */
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curl_easy_setopt(slot->curl, CURLOPT_URL, request->url);
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curl_easy_setopt(slot->curl, CURLOPT_ERRORBUFFER, request->errorstr);
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curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_MKCOL);
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curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null);
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if (start_active_slot(slot)) {
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request->slot = slot;
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request->state = RUN_MKCOL;
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} else {
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request->state = ABORTED;
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free(request->url);
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request->url = NULL;
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}
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}
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#endif
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static void start_fetch_packed(struct transfer_request *request)
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{
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char *url;
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struct packed_git *target;
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FILE *packfile;
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char *filename;
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long prev_posn = 0;
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char range[RANGE_HEADER_SIZE];
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struct curl_slist *range_header = NULL;
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struct transfer_request *check_request = request_queue_head;
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struct active_request_slot *slot;
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target = find_sha1_pack(request->obj->sha1, remote->packs);
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if (!target) {
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fprintf(stderr, "Unable to fetch %s, will not be able to update server info refs\n", sha1_to_hex(request->obj->sha1));
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remote->can_update_info_refs = 0;
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release_request(request);
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return;
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}
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fprintf(stderr, "Fetching pack %s\n", sha1_to_hex(target->sha1));
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fprintf(stderr, " which contains %s\n", sha1_to_hex(request->obj->sha1));
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filename = sha1_pack_name(target->sha1);
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snprintf(request->filename, sizeof(request->filename), "%s", filename);
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snprintf(request->tmpfile, sizeof(request->tmpfile),
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"%s.temp", filename);
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url = xmalloc(strlen(remote->url) + 64);
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sprintf(url, "%sobjects/pack/pack-%s.pack",
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remote->url, sha1_to_hex(target->sha1));
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|
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/* Make sure there isn't another open request for this pack */
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while (check_request) {
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if (check_request->state == RUN_FETCH_PACKED &&
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!strcmp(check_request->url, url)) {
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free(url);
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release_request(request);
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return;
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}
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check_request = check_request->next;
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}
|
|
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packfile = fopen(request->tmpfile, "a");
|
|
if (!packfile) {
|
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fprintf(stderr, "Unable to open local file %s for pack",
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request->tmpfile);
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remote->can_update_info_refs = 0;
|
|
free(url);
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return;
|
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}
|
|
|
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slot = get_active_slot();
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slot->callback_func = process_response;
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slot->callback_data = request;
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request->slot = slot;
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request->local_stream = packfile;
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request->userData = target;
|
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|
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request->url = url;
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curl_easy_setopt(slot->curl, CURLOPT_FILE, packfile);
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curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite);
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curl_easy_setopt(slot->curl, CURLOPT_URL, url);
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curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, no_pragma_header);
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slot->local = packfile;
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|
|
/* If there is data present from a previous transfer attempt,
|
|
resume where it left off */
|
|
prev_posn = ftell(packfile);
|
|
if (prev_posn>0) {
|
|
if (push_verbosely)
|
|
fprintf(stderr,
|
|
"Resuming fetch of pack %s at byte %ld\n",
|
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sha1_to_hex(target->sha1), prev_posn);
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sprintf(range, "Range: bytes=%ld-", prev_posn);
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|
range_header = curl_slist_append(range_header, range);
|
|
curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, range_header);
|
|
}
|
|
|
|
/* Try to get the request started, abort the request on error */
|
|
request->state = RUN_FETCH_PACKED;
|
|
if (!start_active_slot(slot)) {
|
|
fprintf(stderr, "Unable to start GET request\n");
|
|
remote->can_update_info_refs = 0;
|
|
release_request(request);
|
|
}
|
|
}
|
|
|
|
static void start_put(struct transfer_request *request)
|
|
{
|
|
char *hex = sha1_to_hex(request->obj->sha1);
|
|
struct active_request_slot *slot;
|
|
char *posn;
|
|
enum object_type type;
|
|
char hdr[50];
|
|
void *unpacked;
|
|
unsigned long len;
|
|
int hdrlen;
|
|
ssize_t size;
|
|
z_stream stream;
|
|
|
|
unpacked = read_sha1_file(request->obj->sha1, &type, &len);
|
|
hdrlen = sprintf(hdr, "%s %lu", typename(type), len) + 1;
|
|
|
|
/* Set it up */
|
|
memset(&stream, 0, sizeof(stream));
|
|
deflateInit(&stream, zlib_compression_level);
|
|
size = deflateBound(&stream, len + hdrlen);
|
|
strbuf_init(&request->buffer.buf, size);
|
|
request->buffer.posn = 0;
|
|
|
|
/* Compress it */
|
|
stream.next_out = (unsigned char *)request->buffer.buf.buf;
|
|
stream.avail_out = size;
|
|
|
|
/* First header.. */
|
|
stream.next_in = (void *)hdr;
|
|
stream.avail_in = hdrlen;
|
|
while (deflate(&stream, 0) == Z_OK)
|
|
/* nothing */;
|
|
|
|
/* Then the data itself.. */
|
|
stream.next_in = unpacked;
|
|
stream.avail_in = len;
|
|
while (deflate(&stream, Z_FINISH) == Z_OK)
|
|
/* nothing */;
|
|
deflateEnd(&stream);
|
|
free(unpacked);
|
|
|
|
request->buffer.buf.len = stream.total_out;
|
|
|
|
request->url = xmalloc(strlen(remote->url) +
|
|
strlen(request->lock->token) + 51);
|
|
strcpy(request->url, remote->url);
|
|
posn = request->url + strlen(remote->url);
|
|
strcpy(posn, "objects/");
|
|
posn += 8;
|
|
memcpy(posn, hex, 2);
|
|
posn += 2;
|
|
*(posn++) = '/';
|
|
strcpy(posn, hex + 2);
|
|
request->dest = xmalloc(strlen(request->url) + 14);
|
|
sprintf(request->dest, "Destination: %s", request->url);
|
|
posn += 38;
|
|
*(posn++) = '_';
|
|
strcpy(posn, request->lock->token);
|
|
|
|
slot = get_active_slot();
|
|
slot->callback_func = process_response;
|
|
slot->callback_data = request;
|
|
curl_easy_setopt(slot->curl, CURLOPT_INFILE, &request->buffer);
|
|
curl_easy_setopt(slot->curl, CURLOPT_INFILESIZE, request->buffer.buf.len);
|
|
curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, fread_buffer);
|
|
curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null);
|
|
curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_PUT);
|
|
curl_easy_setopt(slot->curl, CURLOPT_UPLOAD, 1);
|
|
curl_easy_setopt(slot->curl, CURLOPT_PUT, 1);
|
|
curl_easy_setopt(slot->curl, CURLOPT_NOBODY, 0);
|
|
curl_easy_setopt(slot->curl, CURLOPT_URL, request->url);
|
|
|
|
if (start_active_slot(slot)) {
|
|
request->slot = slot;
|
|
request->state = RUN_PUT;
|
|
} else {
|
|
request->state = ABORTED;
|
|
free(request->url);
|
|
request->url = NULL;
|
|
}
|
|
}
|
|
|
|
static void start_move(struct transfer_request *request)
|
|
{
|
|
struct active_request_slot *slot;
|
|
struct curl_slist *dav_headers = NULL;
|
|
|
|
slot = get_active_slot();
|
|
slot->callback_func = process_response;
|
|
slot->callback_data = request;
|
|
curl_easy_setopt(slot->curl, CURLOPT_HTTPGET, 1); /* undo PUT setup */
|
|
curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_MOVE);
|
|
dav_headers = curl_slist_append(dav_headers, request->dest);
|
|
dav_headers = curl_slist_append(dav_headers, "Overwrite: T");
|
|
curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers);
|
|
curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null);
|
|
curl_easy_setopt(slot->curl, CURLOPT_URL, request->url);
|
|
|
|
if (start_active_slot(slot)) {
|
|
request->slot = slot;
|
|
request->state = RUN_MOVE;
|
|
} else {
|
|
request->state = ABORTED;
|
|
free(request->url);
|
|
request->url = NULL;
|
|
}
|
|
}
|
|
|
|
static int refresh_lock(struct remote_lock *lock)
|
|
{
|
|
struct active_request_slot *slot;
|
|
struct slot_results results;
|
|
char *if_header;
|
|
char timeout_header[25];
|
|
struct curl_slist *dav_headers = NULL;
|
|
int rc = 0;
|
|
|
|
lock->refreshing = 1;
|
|
|
|
if_header = xmalloc(strlen(lock->token) + 25);
|
|
sprintf(if_header, "If: (<opaquelocktoken:%s>)", lock->token);
|
|
sprintf(timeout_header, "Timeout: Second-%ld", lock->timeout);
|
|
dav_headers = curl_slist_append(dav_headers, if_header);
|
|
dav_headers = curl_slist_append(dav_headers, timeout_header);
|
|
|
|
slot = get_active_slot();
|
|
slot->results = &results;
|
|
curl_easy_setopt(slot->curl, CURLOPT_HTTPGET, 1);
|
|
curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null);
|
|
curl_easy_setopt(slot->curl, CURLOPT_URL, lock->url);
|
|
curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_LOCK);
|
|
curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers);
|
|
|
|
if (start_active_slot(slot)) {
|
|
run_active_slot(slot);
|
|
if (results.curl_result != CURLE_OK) {
|
|
fprintf(stderr, "LOCK HTTP error %ld\n",
|
|
results.http_code);
|
|
} else {
|
|
lock->start_time = time(NULL);
|
|
rc = 1;
|
|
}
|
|
}
|
|
|
|
lock->refreshing = 0;
|
|
curl_slist_free_all(dav_headers);
|
|
free(if_header);
|
|
|
|
return rc;
|
|
}
|
|
|
|
static void check_locks(void)
|
|
{
|
|
struct remote_lock *lock = remote->locks;
|
|
time_t current_time = time(NULL);
|
|
int time_remaining;
|
|
|
|
while (lock) {
|
|
time_remaining = lock->start_time + lock->timeout -
|
|
current_time;
|
|
if (!lock->refreshing && time_remaining < LOCK_REFRESH) {
|
|
if (!refresh_lock(lock)) {
|
|
fprintf(stderr,
|
|
"Unable to refresh lock for %s\n",
|
|
lock->url);
|
|
aborted = 1;
|
|
return;
|
|
}
|
|
}
|
|
lock = lock->next;
|
|
}
|
|
}
|
|
|
|
static void release_request(struct transfer_request *request)
|
|
{
|
|
struct transfer_request *entry = request_queue_head;
|
|
|
|
if (request == request_queue_head) {
|
|
request_queue_head = request->next;
|
|
} else {
|
|
while (entry->next != NULL && entry->next != request)
|
|
entry = entry->next;
|
|
if (entry->next == request)
|
|
entry->next = entry->next->next;
|
|
}
|
|
|
|
if (request->local_fileno != -1)
|
|
close(request->local_fileno);
|
|
if (request->local_stream)
|
|
fclose(request->local_stream);
|
|
free(request->url);
|
|
free(request);
|
|
}
|
|
|
|
static void finish_request(struct transfer_request *request)
|
|
{
|
|
struct stat st;
|
|
struct packed_git *target;
|
|
struct packed_git **lst;
|
|
|
|
request->curl_result = request->slot->curl_result;
|
|
request->http_code = request->slot->http_code;
|
|
request->slot = NULL;
|
|
|
|
/* Keep locks active */
|
|
check_locks();
|
|
|
|
if (request->headers != NULL)
|
|
curl_slist_free_all(request->headers);
|
|
|
|
/* URL is reused for MOVE after PUT */
|
|
if (request->state != RUN_PUT) {
|
|
free(request->url);
|
|
request->url = NULL;
|
|
}
|
|
|
|
if (request->state == RUN_MKCOL) {
|
|
if (request->curl_result == CURLE_OK ||
|
|
request->http_code == 405) {
|
|
remote_dir_exists[request->obj->sha1[0]] = 1;
|
|
start_put(request);
|
|
} else {
|
|
fprintf(stderr, "MKCOL %s failed, aborting (%d/%ld)\n",
|
|
sha1_to_hex(request->obj->sha1),
|
|
request->curl_result, request->http_code);
|
|
request->state = ABORTED;
|
|
aborted = 1;
|
|
}
|
|
} else if (request->state == RUN_PUT) {
|
|
if (request->curl_result == CURLE_OK) {
|
|
start_move(request);
|
|
} else {
|
|
fprintf(stderr, "PUT %s failed, aborting (%d/%ld)\n",
|
|
sha1_to_hex(request->obj->sha1),
|
|
request->curl_result, request->http_code);
|
|
request->state = ABORTED;
|
|
aborted = 1;
|
|
}
|
|
} else if (request->state == RUN_MOVE) {
|
|
if (request->curl_result == CURLE_OK) {
|
|
if (push_verbosely)
|
|
fprintf(stderr, " sent %s\n",
|
|
sha1_to_hex(request->obj->sha1));
|
|
request->obj->flags |= REMOTE;
|
|
release_request(request);
|
|
} else {
|
|
fprintf(stderr, "MOVE %s failed, aborting (%d/%ld)\n",
|
|
sha1_to_hex(request->obj->sha1),
|
|
request->curl_result, request->http_code);
|
|
request->state = ABORTED;
|
|
aborted = 1;
|
|
}
|
|
} else if (request->state == RUN_FETCH_LOOSE) {
|
|
fchmod(request->local_fileno, 0444);
|
|
close(request->local_fileno); request->local_fileno = -1;
|
|
|
|
if (request->curl_result != CURLE_OK &&
|
|
request->http_code != 416) {
|
|
if (stat(request->tmpfile, &st) == 0) {
|
|
if (st.st_size == 0)
|
|
unlink(request->tmpfile);
|
|
}
|
|
} else {
|
|
if (request->http_code == 416)
|
|
fprintf(stderr, "Warning: requested range invalid; we may already have all the data.\n");
|
|
|
|
inflateEnd(&request->stream);
|
|
git_SHA1_Final(request->real_sha1, &request->c);
|
|
if (request->zret != Z_STREAM_END) {
|
|
unlink(request->tmpfile);
|
|
} else if (hashcmp(request->obj->sha1, request->real_sha1)) {
|
|
unlink(request->tmpfile);
|
|
} else {
|
|
request->rename =
|
|
move_temp_to_file(
|
|
request->tmpfile,
|
|
request->filename);
|
|
if (request->rename == 0) {
|
|
request->obj->flags |= (LOCAL | REMOTE);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Try fetching packed if necessary */
|
|
if (request->obj->flags & LOCAL)
|
|
release_request(request);
|
|
else
|
|
start_fetch_packed(request);
|
|
|
|
} else if (request->state == RUN_FETCH_PACKED) {
|
|
if (request->curl_result != CURLE_OK) {
|
|
fprintf(stderr, "Unable to get pack file %s\n%s",
|
|
request->url, curl_errorstr);
|
|
remote->can_update_info_refs = 0;
|
|
} else {
|
|
off_t pack_size = ftell(request->local_stream);
|
|
|
|
fclose(request->local_stream);
|
|
request->local_stream = NULL;
|
|
if (!move_temp_to_file(request->tmpfile,
|
|
request->filename)) {
|
|
target = (struct packed_git *)request->userData;
|
|
target->pack_size = pack_size;
|
|
lst = &remote->packs;
|
|
while (*lst != target)
|
|
lst = &((*lst)->next);
|
|
*lst = (*lst)->next;
|
|
|
|
if (!verify_pack(target))
|
|
install_packed_git(target);
|
|
else
|
|
remote->can_update_info_refs = 0;
|
|
}
|
|
}
|
|
release_request(request);
|
|
}
|
|
}
|
|
|
|
#ifdef USE_CURL_MULTI
|
|
static int fill_active_slot(void *unused)
|
|
{
|
|
struct transfer_request *request = request_queue_head;
|
|
|
|
if (aborted)
|
|
return 0;
|
|
|
|
for (request = request_queue_head; request; request = request->next) {
|
|
if (request->state == NEED_FETCH) {
|
|
start_fetch_loose(request);
|
|
return 1;
|
|
} else if (pushing && request->state == NEED_PUSH) {
|
|
if (remote_dir_exists[request->obj->sha1[0]] == 1) {
|
|
start_put(request);
|
|
} else {
|
|
start_mkcol(request);
|
|
}
|
|
return 1;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
static void get_remote_object_list(unsigned char parent);
|
|
|
|
static void add_fetch_request(struct object *obj)
|
|
{
|
|
struct transfer_request *request;
|
|
|
|
check_locks();
|
|
|
|
/*
|
|
* Don't fetch the object if it's known to exist locally
|
|
* or is already in the request queue
|
|
*/
|
|
if (remote_dir_exists[obj->sha1[0]] == -1)
|
|
get_remote_object_list(obj->sha1[0]);
|
|
if (obj->flags & (LOCAL | FETCHING))
|
|
return;
|
|
|
|
obj->flags |= FETCHING;
|
|
request = xmalloc(sizeof(*request));
|
|
request->obj = obj;
|
|
request->url = NULL;
|
|
request->lock = NULL;
|
|
request->headers = NULL;
|
|
request->local_fileno = -1;
|
|
request->local_stream = NULL;
|
|
request->state = NEED_FETCH;
|
|
request->next = request_queue_head;
|
|
request_queue_head = request;
|
|
|
|
#ifdef USE_CURL_MULTI
|
|
fill_active_slots();
|
|
step_active_slots();
|
|
#endif
|
|
}
|
|
|
|
static int add_send_request(struct object *obj, struct remote_lock *lock)
|
|
{
|
|
struct transfer_request *request = request_queue_head;
|
|
struct packed_git *target;
|
|
|
|
/* Keep locks active */
|
|
check_locks();
|
|
|
|
/*
|
|
* Don't push the object if it's known to exist on the remote
|
|
* or is already in the request queue
|
|
*/
|
|
if (remote_dir_exists[obj->sha1[0]] == -1)
|
|
get_remote_object_list(obj->sha1[0]);
|
|
if (obj->flags & (REMOTE | PUSHING))
|
|
return 0;
|
|
target = find_sha1_pack(obj->sha1, remote->packs);
|
|
if (target) {
|
|
obj->flags |= REMOTE;
|
|
return 0;
|
|
}
|
|
|
|
obj->flags |= PUSHING;
|
|
request = xmalloc(sizeof(*request));
|
|
request->obj = obj;
|
|
request->url = NULL;
|
|
request->lock = lock;
|
|
request->headers = NULL;
|
|
request->local_fileno = -1;
|
|
request->local_stream = NULL;
|
|
request->state = NEED_PUSH;
|
|
request->next = request_queue_head;
|
|
request_queue_head = request;
|
|
|
|
#ifdef USE_CURL_MULTI
|
|
fill_active_slots();
|
|
step_active_slots();
|
|
#endif
|
|
|
|
return 1;
|
|
}
|
|
|
|
static int fetch_index(unsigned char *sha1)
|
|
{
|
|
char *hex = sha1_to_hex(sha1);
|
|
char *filename;
|
|
char *url;
|
|
char tmpfile[PATH_MAX];
|
|
long prev_posn = 0;
|
|
char range[RANGE_HEADER_SIZE];
|
|
struct curl_slist *range_header = NULL;
|
|
|
|
FILE *indexfile;
|
|
struct active_request_slot *slot;
|
|
struct slot_results results;
|
|
|
|
/* Don't use the index if the pack isn't there */
|
|
url = xmalloc(strlen(remote->url) + 64);
|
|
sprintf(url, "%sobjects/pack/pack-%s.pack", remote->url, hex);
|
|
slot = get_active_slot();
|
|
slot->results = &results;
|
|
curl_easy_setopt(slot->curl, CURLOPT_URL, url);
|
|
curl_easy_setopt(slot->curl, CURLOPT_NOBODY, 1);
|
|
if (start_active_slot(slot)) {
|
|
run_active_slot(slot);
|
|
if (results.curl_result != CURLE_OK) {
|
|
free(url);
|
|
return error("Unable to verify pack %s is available",
|
|
hex);
|
|
}
|
|
} else {
|
|
free(url);
|
|
return error("Unable to start request");
|
|
}
|
|
|
|
if (has_pack_index(sha1)) {
|
|
free(url);
|
|
return 0;
|
|
}
|
|
|
|
if (push_verbosely)
|
|
fprintf(stderr, "Getting index for pack %s\n", hex);
|
|
|
|
sprintf(url, "%sobjects/pack/pack-%s.idx", remote->url, hex);
|
|
|
|
filename = sha1_pack_index_name(sha1);
|
|
snprintf(tmpfile, sizeof(tmpfile), "%s.temp", filename);
|
|
indexfile = fopen(tmpfile, "a");
|
|
if (!indexfile) {
|
|
free(url);
|
|
return error("Unable to open local file %s for pack index",
|
|
tmpfile);
|
|
}
|
|
|
|
slot = get_active_slot();
|
|
slot->results = &results;
|
|
curl_easy_setopt(slot->curl, CURLOPT_NOBODY, 0);
|
|
curl_easy_setopt(slot->curl, CURLOPT_HTTPGET, 1);
|
|
curl_easy_setopt(slot->curl, CURLOPT_FILE, indexfile);
|
|
curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite);
|
|
curl_easy_setopt(slot->curl, CURLOPT_URL, url);
|
|
curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, no_pragma_header);
|
|
slot->local = indexfile;
|
|
|
|
/* If there is data present from a previous transfer attempt,
|
|
resume where it left off */
|
|
prev_posn = ftell(indexfile);
|
|
if (prev_posn>0) {
|
|
if (push_verbosely)
|
|
fprintf(stderr,
|
|
"Resuming fetch of index for pack %s at byte %ld\n",
|
|
hex, prev_posn);
|
|
sprintf(range, "Range: bytes=%ld-", prev_posn);
|
|
range_header = curl_slist_append(range_header, range);
|
|
curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, range_header);
|
|
}
|
|
|
|
if (start_active_slot(slot)) {
|
|
run_active_slot(slot);
|
|
if (results.curl_result != CURLE_OK) {
|
|
free(url);
|
|
fclose(indexfile);
|
|
return error("Unable to get pack index %s\n%s", url,
|
|
curl_errorstr);
|
|
}
|
|
} else {
|
|
free(url);
|
|
fclose(indexfile);
|
|
return error("Unable to start request");
|
|
}
|
|
|
|
free(url);
|
|
fclose(indexfile);
|
|
|
|
return move_temp_to_file(tmpfile, filename);
|
|
}
|
|
|
|
static int setup_index(unsigned char *sha1)
|
|
{
|
|
struct packed_git *new_pack;
|
|
|
|
if (fetch_index(sha1))
|
|
return -1;
|
|
|
|
new_pack = parse_pack_index(sha1);
|
|
new_pack->next = remote->packs;
|
|
remote->packs = new_pack;
|
|
return 0;
|
|
}
|
|
|
|
static int fetch_indices(void)
|
|
{
|
|
unsigned char sha1[20];
|
|
char *url;
|
|
struct strbuf buffer = STRBUF_INIT;
|
|
char *data;
|
|
int i = 0;
|
|
|
|
struct active_request_slot *slot;
|
|
struct slot_results results;
|
|
|
|
if (push_verbosely)
|
|
fprintf(stderr, "Getting pack list\n");
|
|
|
|
url = xmalloc(strlen(remote->url) + 20);
|
|
sprintf(url, "%sobjects/info/packs", remote->url);
|
|
|
|
slot = get_active_slot();
|
|
slot->results = &results;
|
|
curl_easy_setopt(slot->curl, CURLOPT_FILE, &buffer);
|
|
curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_buffer);
|
|
curl_easy_setopt(slot->curl, CURLOPT_URL, url);
|
|
curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, NULL);
|
|
if (start_active_slot(slot)) {
|
|
run_active_slot(slot);
|
|
if (results.curl_result != CURLE_OK) {
|
|
strbuf_release(&buffer);
|
|
free(url);
|
|
if (results.http_code == 404)
|
|
return 0;
|
|
else
|
|
return error("%s", curl_errorstr);
|
|
}
|
|
} else {
|
|
strbuf_release(&buffer);
|
|
free(url);
|
|
return error("Unable to start request");
|
|
}
|
|
free(url);
|
|
|
|
data = buffer.buf;
|
|
while (i < buffer.len) {
|
|
switch (data[i]) {
|
|
case 'P':
|
|
i++;
|
|
if (i + 52 < buffer.len &&
|
|
!prefixcmp(data + i, " pack-") &&
|
|
!prefixcmp(data + i + 46, ".pack\n")) {
|
|
get_sha1_hex(data + i + 6, sha1);
|
|
setup_index(sha1);
|
|
i += 51;
|
|
break;
|
|
}
|
|
default:
|
|
while (data[i] != '\n')
|
|
i++;
|
|
}
|
|
i++;
|
|
}
|
|
|
|
strbuf_release(&buffer);
|
|
return 0;
|
|
}
|
|
|
|
static void one_remote_object(const char *hex)
|
|
{
|
|
unsigned char sha1[20];
|
|
struct object *obj;
|
|
|
|
if (get_sha1_hex(hex, sha1) != 0)
|
|
return;
|
|
|
|
obj = lookup_object(sha1);
|
|
if (!obj)
|
|
obj = parse_object(sha1);
|
|
|
|
/* Ignore remote objects that don't exist locally */
|
|
if (!obj)
|
|
return;
|
|
|
|
obj->flags |= REMOTE;
|
|
if (!object_list_contains(objects, obj))
|
|
object_list_insert(obj, &objects);
|
|
}
|
|
|
|
static void handle_lockprop_ctx(struct xml_ctx *ctx, int tag_closed)
|
|
{
|
|
int *lock_flags = (int *)ctx->userData;
|
|
|
|
if (tag_closed) {
|
|
if (!strcmp(ctx->name, DAV_CTX_LOCKENTRY)) {
|
|
if ((*lock_flags & DAV_PROP_LOCKEX) &&
|
|
(*lock_flags & DAV_PROP_LOCKWR)) {
|
|
*lock_flags |= DAV_LOCK_OK;
|
|
}
|
|
*lock_flags &= DAV_LOCK_OK;
|
|
} else if (!strcmp(ctx->name, DAV_CTX_LOCKTYPE_WRITE)) {
|
|
*lock_flags |= DAV_PROP_LOCKWR;
|
|
} else if (!strcmp(ctx->name, DAV_CTX_LOCKTYPE_EXCLUSIVE)) {
|
|
*lock_flags |= DAV_PROP_LOCKEX;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void handle_new_lock_ctx(struct xml_ctx *ctx, int tag_closed)
|
|
{
|
|
struct remote_lock *lock = (struct remote_lock *)ctx->userData;
|
|
|
|
if (tag_closed && ctx->cdata) {
|
|
if (!strcmp(ctx->name, DAV_ACTIVELOCK_OWNER)) {
|
|
lock->owner = xmalloc(strlen(ctx->cdata) + 1);
|
|
strcpy(lock->owner, ctx->cdata);
|
|
} else if (!strcmp(ctx->name, DAV_ACTIVELOCK_TIMEOUT)) {
|
|
if (!prefixcmp(ctx->cdata, "Second-"))
|
|
lock->timeout =
|
|
strtol(ctx->cdata + 7, NULL, 10);
|
|
} else if (!strcmp(ctx->name, DAV_ACTIVELOCK_TOKEN)) {
|
|
if (!prefixcmp(ctx->cdata, "opaquelocktoken:")) {
|
|
lock->token = xmalloc(strlen(ctx->cdata) - 15);
|
|
strcpy(lock->token, ctx->cdata + 16);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void one_remote_ref(char *refname);
|
|
|
|
static void
|
|
xml_start_tag(void *userData, const char *name, const char **atts)
|
|
{
|
|
struct xml_ctx *ctx = (struct xml_ctx *)userData;
|
|
const char *c = strchr(name, ':');
|
|
int new_len;
|
|
|
|
if (c == NULL)
|
|
c = name;
|
|
else
|
|
c++;
|
|
|
|
new_len = strlen(ctx->name) + strlen(c) + 2;
|
|
|
|
if (new_len > ctx->len) {
|
|
ctx->name = xrealloc(ctx->name, new_len);
|
|
ctx->len = new_len;
|
|
}
|
|
strcat(ctx->name, ".");
|
|
strcat(ctx->name, c);
|
|
|
|
free(ctx->cdata);
|
|
ctx->cdata = NULL;
|
|
|
|
ctx->userFunc(ctx, 0);
|
|
}
|
|
|
|
static void
|
|
xml_end_tag(void *userData, const char *name)
|
|
{
|
|
struct xml_ctx *ctx = (struct xml_ctx *)userData;
|
|
const char *c = strchr(name, ':');
|
|
char *ep;
|
|
|
|
ctx->userFunc(ctx, 1);
|
|
|
|
if (c == NULL)
|
|
c = name;
|
|
else
|
|
c++;
|
|
|
|
ep = ctx->name + strlen(ctx->name) - strlen(c) - 1;
|
|
*ep = 0;
|
|
}
|
|
|
|
static void
|
|
xml_cdata(void *userData, const XML_Char *s, int len)
|
|
{
|
|
struct xml_ctx *ctx = (struct xml_ctx *)userData;
|
|
free(ctx->cdata);
|
|
ctx->cdata = xmemdupz(s, len);
|
|
}
|
|
|
|
static struct remote_lock *lock_remote(const char *path, long timeout)
|
|
{
|
|
struct active_request_slot *slot;
|
|
struct slot_results results;
|
|
struct buffer out_buffer = { STRBUF_INIT, 0 };
|
|
struct strbuf in_buffer = STRBUF_INIT;
|
|
char *url;
|
|
char *ep;
|
|
char timeout_header[25];
|
|
struct remote_lock *lock = NULL;
|
|
struct curl_slist *dav_headers = NULL;
|
|
struct xml_ctx ctx;
|
|
|
|
url = xmalloc(strlen(remote->url) + strlen(path) + 1);
|
|
sprintf(url, "%s%s", remote->url, path);
|
|
|
|
/* Make sure leading directories exist for the remote ref */
|
|
ep = strchr(url + strlen(remote->url) + 1, '/');
|
|
while (ep) {
|
|
*ep = 0;
|
|
slot = get_active_slot();
|
|
slot->results = &results;
|
|
curl_easy_setopt(slot->curl, CURLOPT_HTTPGET, 1);
|
|
curl_easy_setopt(slot->curl, CURLOPT_URL, url);
|
|
curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_MKCOL);
|
|
curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null);
|
|
if (start_active_slot(slot)) {
|
|
run_active_slot(slot);
|
|
if (results.curl_result != CURLE_OK &&
|
|
results.http_code != 405) {
|
|
fprintf(stderr,
|
|
"Unable to create branch path %s\n",
|
|
url);
|
|
free(url);
|
|
return NULL;
|
|
}
|
|
} else {
|
|
fprintf(stderr, "Unable to start MKCOL request\n");
|
|
free(url);
|
|
return NULL;
|
|
}
|
|
*ep = '/';
|
|
ep = strchr(ep + 1, '/');
|
|
}
|
|
|
|
strbuf_addf(&out_buffer.buf, LOCK_REQUEST, git_default_email);
|
|
|
|
sprintf(timeout_header, "Timeout: Second-%ld", timeout);
|
|
dav_headers = curl_slist_append(dav_headers, timeout_header);
|
|
dav_headers = curl_slist_append(dav_headers, "Content-Type: text/xml");
|
|
|
|
slot = get_active_slot();
|
|
slot->results = &results;
|
|
curl_easy_setopt(slot->curl, CURLOPT_INFILE, &out_buffer);
|
|
curl_easy_setopt(slot->curl, CURLOPT_INFILESIZE, out_buffer.buf.len);
|
|
curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, fread_buffer);
|
|
curl_easy_setopt(slot->curl, CURLOPT_FILE, &in_buffer);
|
|
curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_buffer);
|
|
curl_easy_setopt(slot->curl, CURLOPT_URL, url);
|
|
curl_easy_setopt(slot->curl, CURLOPT_UPLOAD, 1);
|
|
curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_LOCK);
|
|
curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers);
|
|
|
|
lock = xcalloc(1, sizeof(*lock));
|
|
lock->timeout = -1;
|
|
|
|
if (start_active_slot(slot)) {
|
|
run_active_slot(slot);
|
|
if (results.curl_result == CURLE_OK) {
|
|
XML_Parser parser = XML_ParserCreate(NULL);
|
|
enum XML_Status result;
|
|
ctx.name = xcalloc(10, 1);
|
|
ctx.len = 0;
|
|
ctx.cdata = NULL;
|
|
ctx.userFunc = handle_new_lock_ctx;
|
|
ctx.userData = lock;
|
|
XML_SetUserData(parser, &ctx);
|
|
XML_SetElementHandler(parser, xml_start_tag,
|
|
xml_end_tag);
|
|
XML_SetCharacterDataHandler(parser, xml_cdata);
|
|
result = XML_Parse(parser, in_buffer.buf,
|
|
in_buffer.len, 1);
|
|
free(ctx.name);
|
|
if (result != XML_STATUS_OK) {
|
|
fprintf(stderr, "XML error: %s\n",
|
|
XML_ErrorString(
|
|
XML_GetErrorCode(parser)));
|
|
lock->timeout = -1;
|
|
}
|
|
XML_ParserFree(parser);
|
|
}
|
|
} else {
|
|
fprintf(stderr, "Unable to start LOCK request\n");
|
|
}
|
|
|
|
curl_slist_free_all(dav_headers);
|
|
strbuf_release(&out_buffer.buf);
|
|
strbuf_release(&in_buffer);
|
|
|
|
if (lock->token == NULL || lock->timeout <= 0) {
|
|
free(lock->token);
|
|
free(lock->owner);
|
|
free(url);
|
|
free(lock);
|
|
lock = NULL;
|
|
} else {
|
|
lock->url = url;
|
|
lock->start_time = time(NULL);
|
|
lock->next = remote->locks;
|
|
remote->locks = lock;
|
|
}
|
|
|
|
return lock;
|
|
}
|
|
|
|
static int unlock_remote(struct remote_lock *lock)
|
|
{
|
|
struct active_request_slot *slot;
|
|
struct slot_results results;
|
|
struct remote_lock *prev = remote->locks;
|
|
char *lock_token_header;
|
|
struct curl_slist *dav_headers = NULL;
|
|
int rc = 0;
|
|
|
|
lock_token_header = xmalloc(strlen(lock->token) + 31);
|
|
sprintf(lock_token_header, "Lock-Token: <opaquelocktoken:%s>",
|
|
lock->token);
|
|
dav_headers = curl_slist_append(dav_headers, lock_token_header);
|
|
|
|
slot = get_active_slot();
|
|
slot->results = &results;
|
|
curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null);
|
|
curl_easy_setopt(slot->curl, CURLOPT_URL, lock->url);
|
|
curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_UNLOCK);
|
|
curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers);
|
|
|
|
if (start_active_slot(slot)) {
|
|
run_active_slot(slot);
|
|
if (results.curl_result == CURLE_OK)
|
|
rc = 1;
|
|
else
|
|
fprintf(stderr, "UNLOCK HTTP error %ld\n",
|
|
results.http_code);
|
|
} else {
|
|
fprintf(stderr, "Unable to start UNLOCK request\n");
|
|
}
|
|
|
|
curl_slist_free_all(dav_headers);
|
|
free(lock_token_header);
|
|
|
|
if (remote->locks == lock) {
|
|
remote->locks = lock->next;
|
|
} else {
|
|
while (prev && prev->next != lock)
|
|
prev = prev->next;
|
|
if (prev)
|
|
prev->next = prev->next->next;
|
|
}
|
|
|
|
free(lock->owner);
|
|
free(lock->url);
|
|
free(lock->token);
|
|
free(lock);
|
|
|
|
return rc;
|
|
}
|
|
|
|
static void remove_locks(void)
|
|
{
|
|
struct remote_lock *lock = remote->locks;
|
|
|
|
fprintf(stderr, "Removing remote locks...\n");
|
|
while (lock) {
|
|
unlock_remote(lock);
|
|
lock = lock->next;
|
|
}
|
|
}
|
|
|
|
static void remove_locks_on_signal(int signo)
|
|
{
|
|
remove_locks();
|
|
signal(signo, SIG_DFL);
|
|
raise(signo);
|
|
}
|
|
|
|
static void remote_ls(const char *path, int flags,
|
|
void (*userFunc)(struct remote_ls_ctx *ls),
|
|
void *userData);
|
|
|
|
static void process_ls_object(struct remote_ls_ctx *ls)
|
|
{
|
|
unsigned int *parent = (unsigned int *)ls->userData;
|
|
char *path = ls->dentry_name;
|
|
char *obj_hex;
|
|
|
|
if (!strcmp(ls->path, ls->dentry_name) && (ls->flags & IS_DIR)) {
|
|
remote_dir_exists[*parent] = 1;
|
|
return;
|
|
}
|
|
|
|
if (strlen(path) != 49)
|
|
return;
|
|
path += 8;
|
|
obj_hex = xmalloc(strlen(path));
|
|
/* NB: path is not null-terminated, can not use strlcpy here */
|
|
memcpy(obj_hex, path, 2);
|
|
strcpy(obj_hex + 2, path + 3);
|
|
one_remote_object(obj_hex);
|
|
free(obj_hex);
|
|
}
|
|
|
|
static void process_ls_ref(struct remote_ls_ctx *ls)
|
|
{
|
|
if (!strcmp(ls->path, ls->dentry_name) && (ls->dentry_flags & IS_DIR)) {
|
|
fprintf(stderr, " %s\n", ls->dentry_name);
|
|
return;
|
|
}
|
|
|
|
if (!(ls->dentry_flags & IS_DIR))
|
|
one_remote_ref(ls->dentry_name);
|
|
}
|
|
|
|
static void handle_remote_ls_ctx(struct xml_ctx *ctx, int tag_closed)
|
|
{
|
|
struct remote_ls_ctx *ls = (struct remote_ls_ctx *)ctx->userData;
|
|
|
|
if (tag_closed) {
|
|
if (!strcmp(ctx->name, DAV_PROPFIND_RESP) && ls->dentry_name) {
|
|
if (ls->dentry_flags & IS_DIR) {
|
|
if (ls->flags & PROCESS_DIRS) {
|
|
ls->userFunc(ls);
|
|
}
|
|
if (strcmp(ls->dentry_name, ls->path) &&
|
|
ls->flags & RECURSIVE) {
|
|
remote_ls(ls->dentry_name,
|
|
ls->flags,
|
|
ls->userFunc,
|
|
ls->userData);
|
|
}
|
|
} else if (ls->flags & PROCESS_FILES) {
|
|
ls->userFunc(ls);
|
|
}
|
|
} else if (!strcmp(ctx->name, DAV_PROPFIND_NAME) && ctx->cdata) {
|
|
ls->dentry_name = xmalloc(strlen(ctx->cdata) -
|
|
remote->path_len + 1);
|
|
strcpy(ls->dentry_name, ctx->cdata + remote->path_len);
|
|
} else if (!strcmp(ctx->name, DAV_PROPFIND_COLLECTION)) {
|
|
ls->dentry_flags |= IS_DIR;
|
|
}
|
|
} else if (!strcmp(ctx->name, DAV_PROPFIND_RESP)) {
|
|
free(ls->dentry_name);
|
|
ls->dentry_name = NULL;
|
|
ls->dentry_flags = 0;
|
|
}
|
|
}
|
|
|
|
static void remote_ls(const char *path, int flags,
|
|
void (*userFunc)(struct remote_ls_ctx *ls),
|
|
void *userData)
|
|
{
|
|
char *url = xmalloc(strlen(remote->url) + strlen(path) + 1);
|
|
struct active_request_slot *slot;
|
|
struct slot_results results;
|
|
struct strbuf in_buffer = STRBUF_INIT;
|
|
struct buffer out_buffer = { STRBUF_INIT, 0 };
|
|
struct curl_slist *dav_headers = NULL;
|
|
struct xml_ctx ctx;
|
|
struct remote_ls_ctx ls;
|
|
|
|
ls.flags = flags;
|
|
ls.path = xstrdup(path);
|
|
ls.dentry_name = NULL;
|
|
ls.dentry_flags = 0;
|
|
ls.userData = userData;
|
|
ls.userFunc = userFunc;
|
|
|
|
sprintf(url, "%s%s", remote->url, path);
|
|
|
|
strbuf_addf(&out_buffer.buf, PROPFIND_ALL_REQUEST);
|
|
|
|
dav_headers = curl_slist_append(dav_headers, "Depth: 1");
|
|
dav_headers = curl_slist_append(dav_headers, "Content-Type: text/xml");
|
|
|
|
slot = get_active_slot();
|
|
slot->results = &results;
|
|
curl_easy_setopt(slot->curl, CURLOPT_INFILE, &out_buffer);
|
|
curl_easy_setopt(slot->curl, CURLOPT_INFILESIZE, out_buffer.buf.len);
|
|
curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, fread_buffer);
|
|
curl_easy_setopt(slot->curl, CURLOPT_FILE, &in_buffer);
|
|
curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_buffer);
|
|
curl_easy_setopt(slot->curl, CURLOPT_URL, url);
|
|
curl_easy_setopt(slot->curl, CURLOPT_UPLOAD, 1);
|
|
curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_PROPFIND);
|
|
curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers);
|
|
|
|
if (start_active_slot(slot)) {
|
|
run_active_slot(slot);
|
|
if (results.curl_result == CURLE_OK) {
|
|
XML_Parser parser = XML_ParserCreate(NULL);
|
|
enum XML_Status result;
|
|
ctx.name = xcalloc(10, 1);
|
|
ctx.len = 0;
|
|
ctx.cdata = NULL;
|
|
ctx.userFunc = handle_remote_ls_ctx;
|
|
ctx.userData = &ls;
|
|
XML_SetUserData(parser, &ctx);
|
|
XML_SetElementHandler(parser, xml_start_tag,
|
|
xml_end_tag);
|
|
XML_SetCharacterDataHandler(parser, xml_cdata);
|
|
result = XML_Parse(parser, in_buffer.buf,
|
|
in_buffer.len, 1);
|
|
free(ctx.name);
|
|
|
|
if (result != XML_STATUS_OK) {
|
|
fprintf(stderr, "XML error: %s\n",
|
|
XML_ErrorString(
|
|
XML_GetErrorCode(parser)));
|
|
}
|
|
XML_ParserFree(parser);
|
|
}
|
|
} else {
|
|
fprintf(stderr, "Unable to start PROPFIND request\n");
|
|
}
|
|
|
|
free(ls.path);
|
|
free(url);
|
|
strbuf_release(&out_buffer.buf);
|
|
strbuf_release(&in_buffer);
|
|
curl_slist_free_all(dav_headers);
|
|
}
|
|
|
|
static void get_remote_object_list(unsigned char parent)
|
|
{
|
|
char path[] = "objects/XX/";
|
|
static const char hex[] = "0123456789abcdef";
|
|
unsigned int val = parent;
|
|
|
|
path[8] = hex[val >> 4];
|
|
path[9] = hex[val & 0xf];
|
|
remote_dir_exists[val] = 0;
|
|
remote_ls(path, (PROCESS_FILES | PROCESS_DIRS),
|
|
process_ls_object, &val);
|
|
}
|
|
|
|
static int locking_available(void)
|
|
{
|
|
struct active_request_slot *slot;
|
|
struct slot_results results;
|
|
struct strbuf in_buffer = STRBUF_INIT;
|
|
struct buffer out_buffer = { STRBUF_INIT, 0 };
|
|
struct curl_slist *dav_headers = NULL;
|
|
struct xml_ctx ctx;
|
|
int lock_flags = 0;
|
|
|
|
strbuf_addf(&out_buffer.buf, PROPFIND_SUPPORTEDLOCK_REQUEST, remote->url);
|
|
|
|
dav_headers = curl_slist_append(dav_headers, "Depth: 0");
|
|
dav_headers = curl_slist_append(dav_headers, "Content-Type: text/xml");
|
|
|
|
slot = get_active_slot();
|
|
slot->results = &results;
|
|
curl_easy_setopt(slot->curl, CURLOPT_INFILE, &out_buffer);
|
|
curl_easy_setopt(slot->curl, CURLOPT_INFILESIZE, out_buffer.buf.len);
|
|
curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, fread_buffer);
|
|
curl_easy_setopt(slot->curl, CURLOPT_FILE, &in_buffer);
|
|
curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_buffer);
|
|
curl_easy_setopt(slot->curl, CURLOPT_URL, remote->url);
|
|
curl_easy_setopt(slot->curl, CURLOPT_UPLOAD, 1);
|
|
curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_PROPFIND);
|
|
curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers);
|
|
|
|
if (start_active_slot(slot)) {
|
|
run_active_slot(slot);
|
|
if (results.curl_result == CURLE_OK) {
|
|
XML_Parser parser = XML_ParserCreate(NULL);
|
|
enum XML_Status result;
|
|
ctx.name = xcalloc(10, 1);
|
|
ctx.len = 0;
|
|
ctx.cdata = NULL;
|
|
ctx.userFunc = handle_lockprop_ctx;
|
|
ctx.userData = &lock_flags;
|
|
XML_SetUserData(parser, &ctx);
|
|
XML_SetElementHandler(parser, xml_start_tag,
|
|
xml_end_tag);
|
|
result = XML_Parse(parser, in_buffer.buf,
|
|
in_buffer.len, 1);
|
|
free(ctx.name);
|
|
|
|
if (result != XML_STATUS_OK) {
|
|
fprintf(stderr, "XML error: %s\n",
|
|
XML_ErrorString(
|
|
XML_GetErrorCode(parser)));
|
|
lock_flags = 0;
|
|
}
|
|
XML_ParserFree(parser);
|
|
if (!lock_flags)
|
|
error("Error: no DAV locking support on %s",
|
|
remote->url);
|
|
|
|
} else {
|
|
error("Cannot access URL %s, return code %d",
|
|
remote->url, results.curl_result);
|
|
lock_flags = 0;
|
|
}
|
|
} else {
|
|
error("Unable to start PROPFIND request on %s", remote->url);
|
|
}
|
|
|
|
strbuf_release(&out_buffer.buf);
|
|
strbuf_release(&in_buffer);
|
|
curl_slist_free_all(dav_headers);
|
|
|
|
return lock_flags;
|
|
}
|
|
|
|
static struct object_list **add_one_object(struct object *obj, struct object_list **p)
|
|
{
|
|
struct object_list *entry = xmalloc(sizeof(struct object_list));
|
|
entry->item = obj;
|
|
entry->next = *p;
|
|
*p = entry;
|
|
return &entry->next;
|
|
}
|
|
|
|
static struct object_list **process_blob(struct blob *blob,
|
|
struct object_list **p,
|
|
struct name_path *path,
|
|
const char *name)
|
|
{
|
|
struct object *obj = &blob->object;
|
|
|
|
obj->flags |= LOCAL;
|
|
|
|
if (obj->flags & (UNINTERESTING | SEEN))
|
|
return p;
|
|
|
|
obj->flags |= SEEN;
|
|
return add_one_object(obj, p);
|
|
}
|
|
|
|
static struct object_list **process_tree(struct tree *tree,
|
|
struct object_list **p,
|
|
struct name_path *path,
|
|
const char *name)
|
|
{
|
|
struct object *obj = &tree->object;
|
|
struct tree_desc desc;
|
|
struct name_entry entry;
|
|
struct name_path me;
|
|
|
|
obj->flags |= LOCAL;
|
|
|
|
if (obj->flags & (UNINTERESTING | SEEN))
|
|
return p;
|
|
if (parse_tree(tree) < 0)
|
|
die("bad tree object %s", sha1_to_hex(obj->sha1));
|
|
|
|
obj->flags |= SEEN;
|
|
name = xstrdup(name);
|
|
p = add_one_object(obj, p);
|
|
me.up = path;
|
|
me.elem = name;
|
|
me.elem_len = strlen(name);
|
|
|
|
init_tree_desc(&desc, tree->buffer, tree->size);
|
|
|
|
while (tree_entry(&desc, &entry))
|
|
switch (object_type(entry.mode)) {
|
|
case OBJ_TREE:
|
|
p = process_tree(lookup_tree(entry.sha1), p, &me, name);
|
|
break;
|
|
case OBJ_BLOB:
|
|
p = process_blob(lookup_blob(entry.sha1), p, &me, name);
|
|
break;
|
|
default:
|
|
/* Subproject commit - not in this repository */
|
|
break;
|
|
}
|
|
|
|
free(tree->buffer);
|
|
tree->buffer = NULL;
|
|
return p;
|
|
}
|
|
|
|
static int get_delta(struct rev_info *revs, struct remote_lock *lock)
|
|
{
|
|
int i;
|
|
struct commit *commit;
|
|
struct object_list **p = &objects;
|
|
int count = 0;
|
|
|
|
while ((commit = get_revision(revs)) != NULL) {
|
|
p = process_tree(commit->tree, p, NULL, "");
|
|
commit->object.flags |= LOCAL;
|
|
if (!(commit->object.flags & UNINTERESTING))
|
|
count += add_send_request(&commit->object, lock);
|
|
}
|
|
|
|
for (i = 0; i < revs->pending.nr; i++) {
|
|
struct object_array_entry *entry = revs->pending.objects + i;
|
|
struct object *obj = entry->item;
|
|
const char *name = entry->name;
|
|
|
|
if (obj->flags & (UNINTERESTING | SEEN))
|
|
continue;
|
|
if (obj->type == OBJ_TAG) {
|
|
obj->flags |= SEEN;
|
|
p = add_one_object(obj, p);
|
|
continue;
|
|
}
|
|
if (obj->type == OBJ_TREE) {
|
|
p = process_tree((struct tree *)obj, p, NULL, name);
|
|
continue;
|
|
}
|
|
if (obj->type == OBJ_BLOB) {
|
|
p = process_blob((struct blob *)obj, p, NULL, name);
|
|
continue;
|
|
}
|
|
die("unknown pending object %s (%s)", sha1_to_hex(obj->sha1), name);
|
|
}
|
|
|
|
while (objects) {
|
|
if (!(objects->item->flags & UNINTERESTING))
|
|
count += add_send_request(objects->item, lock);
|
|
objects = objects->next;
|
|
}
|
|
|
|
return count;
|
|
}
|
|
|
|
static int update_remote(unsigned char *sha1, struct remote_lock *lock)
|
|
{
|
|
struct active_request_slot *slot;
|
|
struct slot_results results;
|
|
char *if_header;
|
|
struct buffer out_buffer = { STRBUF_INIT, 0 };
|
|
struct curl_slist *dav_headers = NULL;
|
|
|
|
if_header = xmalloc(strlen(lock->token) + 25);
|
|
sprintf(if_header, "If: (<opaquelocktoken:%s>)", lock->token);
|
|
dav_headers = curl_slist_append(dav_headers, if_header);
|
|
|
|
strbuf_addf(&out_buffer.buf, "%s\n", sha1_to_hex(sha1));
|
|
|
|
slot = get_active_slot();
|
|
slot->results = &results;
|
|
curl_easy_setopt(slot->curl, CURLOPT_INFILE, &out_buffer);
|
|
curl_easy_setopt(slot->curl, CURLOPT_INFILESIZE, out_buffer.buf.len);
|
|
curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, fread_buffer);
|
|
curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null);
|
|
curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_PUT);
|
|
curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers);
|
|
curl_easy_setopt(slot->curl, CURLOPT_UPLOAD, 1);
|
|
curl_easy_setopt(slot->curl, CURLOPT_PUT, 1);
|
|
curl_easy_setopt(slot->curl, CURLOPT_URL, lock->url);
|
|
|
|
if (start_active_slot(slot)) {
|
|
run_active_slot(slot);
|
|
strbuf_release(&out_buffer.buf);
|
|
free(if_header);
|
|
if (results.curl_result != CURLE_OK) {
|
|
fprintf(stderr,
|
|
"PUT error: curl result=%d, HTTP code=%ld\n",
|
|
results.curl_result, results.http_code);
|
|
/* We should attempt recovery? */
|
|
return 0;
|
|
}
|
|
} else {
|
|
strbuf_release(&out_buffer.buf);
|
|
free(if_header);
|
|
fprintf(stderr, "Unable to start PUT request\n");
|
|
return 0;
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
static struct ref *local_refs, **local_tail;
|
|
static struct ref *remote_refs, **remote_tail;
|
|
|
|
static int one_local_ref(const char *refname, const unsigned char *sha1, int flag, void *cb_data)
|
|
{
|
|
struct ref *ref;
|
|
int len = strlen(refname) + 1;
|
|
ref = xcalloc(1, sizeof(*ref) + len);
|
|
hashcpy(ref->new_sha1, sha1);
|
|
memcpy(ref->name, refname, len);
|
|
*local_tail = ref;
|
|
local_tail = &ref->next;
|
|
return 0;
|
|
}
|
|
|
|
static void one_remote_ref(char *refname)
|
|
{
|
|
struct ref *ref;
|
|
struct object *obj;
|
|
|
|
ref = alloc_ref_from_str(refname);
|
|
|
|
if (http_fetch_ref(remote->url, ref) != 0) {
|
|
fprintf(stderr,
|
|
"Unable to fetch ref %s from %s\n",
|
|
refname, remote->url);
|
|
free(ref);
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* Fetch a copy of the object if it doesn't exist locally - it
|
|
* may be required for updating server info later.
|
|
*/
|
|
if (remote->can_update_info_refs && !has_sha1_file(ref->old_sha1)) {
|
|
obj = lookup_unknown_object(ref->old_sha1);
|
|
if (obj) {
|
|
fprintf(stderr, " fetch %s for %s\n",
|
|
sha1_to_hex(ref->old_sha1), refname);
|
|
add_fetch_request(obj);
|
|
}
|
|
}
|
|
|
|
*remote_tail = ref;
|
|
remote_tail = &ref->next;
|
|
}
|
|
|
|
static void get_local_heads(void)
|
|
{
|
|
local_tail = &local_refs;
|
|
for_each_ref(one_local_ref, NULL);
|
|
}
|
|
|
|
static void get_dav_remote_heads(void)
|
|
{
|
|
remote_tail = &remote_refs;
|
|
remote_ls("refs/", (PROCESS_FILES | PROCESS_DIRS | RECURSIVE), process_ls_ref, NULL);
|
|
}
|
|
|
|
static int is_zero_sha1(const unsigned char *sha1)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < 20; i++) {
|
|
if (*sha1++)
|
|
return 0;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
static void unmark_and_free(struct commit_list *list, unsigned int mark)
|
|
{
|
|
while (list) {
|
|
struct commit_list *temp = list;
|
|
temp->item->object.flags &= ~mark;
|
|
list = temp->next;
|
|
free(temp);
|
|
}
|
|
}
|
|
|
|
static int ref_newer(const unsigned char *new_sha1,
|
|
const unsigned char *old_sha1)
|
|
{
|
|
struct object *o;
|
|
struct commit *old, *new;
|
|
struct commit_list *list, *used;
|
|
int found = 0;
|
|
|
|
/* Both new and old must be commit-ish and new is descendant of
|
|
* old. Otherwise we require --force.
|
|
*/
|
|
o = deref_tag(parse_object(old_sha1), NULL, 0);
|
|
if (!o || o->type != OBJ_COMMIT)
|
|
return 0;
|
|
old = (struct commit *) o;
|
|
|
|
o = deref_tag(parse_object(new_sha1), NULL, 0);
|
|
if (!o || o->type != OBJ_COMMIT)
|
|
return 0;
|
|
new = (struct commit *) o;
|
|
|
|
if (parse_commit(new) < 0)
|
|
return 0;
|
|
|
|
used = list = NULL;
|
|
commit_list_insert(new, &list);
|
|
while (list) {
|
|
new = pop_most_recent_commit(&list, TMP_MARK);
|
|
commit_list_insert(new, &used);
|
|
if (new == old) {
|
|
found = 1;
|
|
break;
|
|
}
|
|
}
|
|
unmark_and_free(list, TMP_MARK);
|
|
unmark_and_free(used, TMP_MARK);
|
|
return found;
|
|
}
|
|
|
|
static void add_remote_info_ref(struct remote_ls_ctx *ls)
|
|
{
|
|
struct strbuf *buf = (struct strbuf *)ls->userData;
|
|
struct object *o;
|
|
int len;
|
|
char *ref_info;
|
|
struct ref *ref;
|
|
|
|
ref = alloc_ref_from_str(ls->dentry_name);
|
|
|
|
if (http_fetch_ref(remote->url, ref) != 0) {
|
|
fprintf(stderr,
|
|
"Unable to fetch ref %s from %s\n",
|
|
ls->dentry_name, remote->url);
|
|
aborted = 1;
|
|
free(ref);
|
|
return;
|
|
}
|
|
|
|
o = parse_object(ref->old_sha1);
|
|
if (!o) {
|
|
fprintf(stderr,
|
|
"Unable to parse object %s for remote ref %s\n",
|
|
sha1_to_hex(ref->old_sha1), ls->dentry_name);
|
|
aborted = 1;
|
|
free(ref);
|
|
return;
|
|
}
|
|
|
|
len = strlen(ls->dentry_name) + 42;
|
|
ref_info = xcalloc(len + 1, 1);
|
|
sprintf(ref_info, "%s %s\n",
|
|
sha1_to_hex(ref->old_sha1), ls->dentry_name);
|
|
fwrite_buffer(ref_info, 1, len, buf);
|
|
free(ref_info);
|
|
|
|
if (o->type == OBJ_TAG) {
|
|
o = deref_tag(o, ls->dentry_name, 0);
|
|
if (o) {
|
|
len = strlen(ls->dentry_name) + 45;
|
|
ref_info = xcalloc(len + 1, 1);
|
|
sprintf(ref_info, "%s %s^{}\n",
|
|
sha1_to_hex(o->sha1), ls->dentry_name);
|
|
fwrite_buffer(ref_info, 1, len, buf);
|
|
free(ref_info);
|
|
}
|
|
}
|
|
free(ref);
|
|
}
|
|
|
|
static void update_remote_info_refs(struct remote_lock *lock)
|
|
{
|
|
struct buffer buffer = { STRBUF_INIT, 0 };
|
|
struct active_request_slot *slot;
|
|
struct slot_results results;
|
|
char *if_header;
|
|
struct curl_slist *dav_headers = NULL;
|
|
|
|
remote_ls("refs/", (PROCESS_FILES | RECURSIVE),
|
|
add_remote_info_ref, &buffer.buf);
|
|
if (!aborted) {
|
|
if_header = xmalloc(strlen(lock->token) + 25);
|
|
sprintf(if_header, "If: (<opaquelocktoken:%s>)", lock->token);
|
|
dav_headers = curl_slist_append(dav_headers, if_header);
|
|
|
|
slot = get_active_slot();
|
|
slot->results = &results;
|
|
curl_easy_setopt(slot->curl, CURLOPT_INFILE, &buffer);
|
|
curl_easy_setopt(slot->curl, CURLOPT_INFILESIZE, buffer.buf.len);
|
|
curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, fread_buffer);
|
|
curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null);
|
|
curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_PUT);
|
|
curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers);
|
|
curl_easy_setopt(slot->curl, CURLOPT_UPLOAD, 1);
|
|
curl_easy_setopt(slot->curl, CURLOPT_PUT, 1);
|
|
curl_easy_setopt(slot->curl, CURLOPT_URL, lock->url);
|
|
|
|
if (start_active_slot(slot)) {
|
|
run_active_slot(slot);
|
|
if (results.curl_result != CURLE_OK) {
|
|
fprintf(stderr,
|
|
"PUT error: curl result=%d, HTTP code=%ld\n",
|
|
results.curl_result, results.http_code);
|
|
}
|
|
}
|
|
free(if_header);
|
|
}
|
|
strbuf_release(&buffer.buf);
|
|
}
|
|
|
|
static int remote_exists(const char *path)
|
|
{
|
|
char *url = xmalloc(strlen(remote->url) + strlen(path) + 1);
|
|
struct active_request_slot *slot;
|
|
struct slot_results results;
|
|
int ret = -1;
|
|
|
|
sprintf(url, "%s%s", remote->url, path);
|
|
|
|
slot = get_active_slot();
|
|
slot->results = &results;
|
|
curl_easy_setopt(slot->curl, CURLOPT_URL, url);
|
|
curl_easy_setopt(slot->curl, CURLOPT_NOBODY, 1);
|
|
|
|
if (start_active_slot(slot)) {
|
|
run_active_slot(slot);
|
|
if (results.http_code == 404)
|
|
ret = 0;
|
|
else if (results.curl_result == CURLE_OK)
|
|
ret = 1;
|
|
else
|
|
fprintf(stderr, "HEAD HTTP error %ld\n", results.http_code);
|
|
} else {
|
|
fprintf(stderr, "Unable to start HEAD request\n");
|
|
}
|
|
|
|
free(url);
|
|
return ret;
|
|
}
|
|
|
|
static void fetch_symref(const char *path, char **symref, unsigned char *sha1)
|
|
{
|
|
char *url;
|
|
struct strbuf buffer = STRBUF_INIT;
|
|
struct active_request_slot *slot;
|
|
struct slot_results results;
|
|
|
|
url = xmalloc(strlen(remote->url) + strlen(path) + 1);
|
|
sprintf(url, "%s%s", remote->url, path);
|
|
|
|
slot = get_active_slot();
|
|
slot->results = &results;
|
|
curl_easy_setopt(slot->curl, CURLOPT_FILE, &buffer);
|
|
curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_buffer);
|
|
curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, NULL);
|
|
curl_easy_setopt(slot->curl, CURLOPT_URL, url);
|
|
if (start_active_slot(slot)) {
|
|
run_active_slot(slot);
|
|
if (results.curl_result != CURLE_OK) {
|
|
die("Couldn't get %s for remote symref\n%s",
|
|
url, curl_errorstr);
|
|
}
|
|
} else {
|
|
die("Unable to start remote symref request");
|
|
}
|
|
free(url);
|
|
|
|
free(*symref);
|
|
*symref = NULL;
|
|
hashclr(sha1);
|
|
|
|
if (buffer.len == 0)
|
|
return;
|
|
|
|
/* If it's a symref, set the refname; otherwise try for a sha1 */
|
|
if (!prefixcmp((char *)buffer.buf, "ref: ")) {
|
|
*symref = xmemdupz((char *)buffer.buf + 5, buffer.len - 6);
|
|
} else {
|
|
get_sha1_hex(buffer.buf, sha1);
|
|
}
|
|
|
|
strbuf_release(&buffer);
|
|
}
|
|
|
|
static int verify_merge_base(unsigned char *head_sha1, unsigned char *branch_sha1)
|
|
{
|
|
struct commit *head = lookup_commit(head_sha1);
|
|
struct commit *branch = lookup_commit(branch_sha1);
|
|
struct commit_list *merge_bases = get_merge_bases(head, branch, 1);
|
|
|
|
return (merge_bases && !merge_bases->next && merge_bases->item == branch);
|
|
}
|
|
|
|
static int delete_remote_branch(char *pattern, int force)
|
|
{
|
|
struct ref *refs = remote_refs;
|
|
struct ref *remote_ref = NULL;
|
|
unsigned char head_sha1[20];
|
|
char *symref = NULL;
|
|
int match;
|
|
int patlen = strlen(pattern);
|
|
int i;
|
|
struct active_request_slot *slot;
|
|
struct slot_results results;
|
|
char *url;
|
|
|
|
/* Find the remote branch(es) matching the specified branch name */
|
|
for (match = 0; refs; refs = refs->next) {
|
|
char *name = refs->name;
|
|
int namelen = strlen(name);
|
|
if (namelen < patlen ||
|
|
memcmp(name + namelen - patlen, pattern, patlen))
|
|
continue;
|
|
if (namelen != patlen && name[namelen - patlen - 1] != '/')
|
|
continue;
|
|
match++;
|
|
remote_ref = refs;
|
|
}
|
|
if (match == 0)
|
|
return error("No remote branch matches %s", pattern);
|
|
if (match != 1)
|
|
return error("More than one remote branch matches %s",
|
|
pattern);
|
|
|
|
/*
|
|
* Remote HEAD must be a symref (not exactly foolproof; a remote
|
|
* symlink to a symref will look like a symref)
|
|
*/
|
|
fetch_symref("HEAD", &symref, head_sha1);
|
|
if (!symref)
|
|
return error("Remote HEAD is not a symref");
|
|
|
|
/* Remote branch must not be the remote HEAD */
|
|
for (i=0; symref && i<MAXDEPTH; i++) {
|
|
if (!strcmp(remote_ref->name, symref))
|
|
return error("Remote branch %s is the current HEAD",
|
|
remote_ref->name);
|
|
fetch_symref(symref, &symref, head_sha1);
|
|
}
|
|
|
|
/* Run extra sanity checks if delete is not forced */
|
|
if (!force) {
|
|
/* Remote HEAD must resolve to a known object */
|
|
if (symref)
|
|
return error("Remote HEAD symrefs too deep");
|
|
if (is_zero_sha1(head_sha1))
|
|
return error("Unable to resolve remote HEAD");
|
|
if (!has_sha1_file(head_sha1))
|
|
return error("Remote HEAD resolves to object %s\nwhich does not exist locally, perhaps you need to fetch?", sha1_to_hex(head_sha1));
|
|
|
|
/* Remote branch must resolve to a known object */
|
|
if (is_zero_sha1(remote_ref->old_sha1))
|
|
return error("Unable to resolve remote branch %s",
|
|
remote_ref->name);
|
|
if (!has_sha1_file(remote_ref->old_sha1))
|
|
return error("Remote branch %s resolves to object %s\nwhich does not exist locally, perhaps you need to fetch?", remote_ref->name, sha1_to_hex(remote_ref->old_sha1));
|
|
|
|
/* Remote branch must be an ancestor of remote HEAD */
|
|
if (!verify_merge_base(head_sha1, remote_ref->old_sha1)) {
|
|
return error("The branch '%s' is not an ancestor "
|
|
"of your current HEAD.\n"
|
|
"If you are sure you want to delete it,"
|
|
" run:\n\t'git http-push -D %s %s'",
|
|
remote_ref->name, remote->url, pattern);
|
|
}
|
|
}
|
|
|
|
/* Send delete request */
|
|
fprintf(stderr, "Removing remote branch '%s'\n", remote_ref->name);
|
|
if (dry_run)
|
|
return 0;
|
|
url = xmalloc(strlen(remote->url) + strlen(remote_ref->name) + 1);
|
|
sprintf(url, "%s%s", remote->url, remote_ref->name);
|
|
slot = get_active_slot();
|
|
slot->results = &results;
|
|
curl_easy_setopt(slot->curl, CURLOPT_HTTPGET, 1);
|
|
curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null);
|
|
curl_easy_setopt(slot->curl, CURLOPT_URL, url);
|
|
curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_DELETE);
|
|
if (start_active_slot(slot)) {
|
|
run_active_slot(slot);
|
|
free(url);
|
|
if (results.curl_result != CURLE_OK)
|
|
return error("DELETE request failed (%d/%ld)\n",
|
|
results.curl_result, results.http_code);
|
|
} else {
|
|
free(url);
|
|
return error("Unable to start DELETE request");
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
struct transfer_request *request;
|
|
struct transfer_request *next_request;
|
|
int nr_refspec = 0;
|
|
char **refspec = NULL;
|
|
struct remote_lock *ref_lock = NULL;
|
|
struct remote_lock *info_ref_lock = NULL;
|
|
struct rev_info revs;
|
|
int delete_branch = 0;
|
|
int force_delete = 0;
|
|
int objects_to_send;
|
|
int rc = 0;
|
|
int i;
|
|
int new_refs;
|
|
struct ref *ref;
|
|
char *rewritten_url = NULL;
|
|
|
|
setup_git_directory();
|
|
|
|
remote = xcalloc(sizeof(*remote), 1);
|
|
|
|
argv++;
|
|
for (i = 1; i < argc; i++, argv++) {
|
|
char *arg = *argv;
|
|
|
|
if (*arg == '-') {
|
|
if (!strcmp(arg, "--all")) {
|
|
push_all = MATCH_REFS_ALL;
|
|
continue;
|
|
}
|
|
if (!strcmp(arg, "--force")) {
|
|
force_all = 1;
|
|
continue;
|
|
}
|
|
if (!strcmp(arg, "--dry-run")) {
|
|
dry_run = 1;
|
|
continue;
|
|
}
|
|
if (!strcmp(arg, "--verbose")) {
|
|
push_verbosely = 1;
|
|
continue;
|
|
}
|
|
if (!strcmp(arg, "-d")) {
|
|
delete_branch = 1;
|
|
continue;
|
|
}
|
|
if (!strcmp(arg, "-D")) {
|
|
delete_branch = 1;
|
|
force_delete = 1;
|
|
continue;
|
|
}
|
|
}
|
|
if (!remote->url) {
|
|
char *path = strstr(arg, "//");
|
|
remote->url = arg;
|
|
if (path) {
|
|
path = strchr(path+2, '/');
|
|
if (path)
|
|
remote->path_len = strlen(path);
|
|
}
|
|
continue;
|
|
}
|
|
refspec = argv;
|
|
nr_refspec = argc - i;
|
|
break;
|
|
}
|
|
|
|
#ifndef USE_CURL_MULTI
|
|
die("git-push is not available for http/https repository when not compiled with USE_CURL_MULTI");
|
|
#endif
|
|
|
|
if (!remote->url)
|
|
usage(http_push_usage);
|
|
|
|
if (delete_branch && nr_refspec != 1)
|
|
die("You must specify only one branch name when deleting a remote branch");
|
|
|
|
memset(remote_dir_exists, -1, 256);
|
|
|
|
http_init(NULL);
|
|
|
|
no_pragma_header = curl_slist_append(no_pragma_header, "Pragma:");
|
|
|
|
if (remote->url && remote->url[strlen(remote->url)-1] != '/') {
|
|
rewritten_url = xmalloc(strlen(remote->url)+2);
|
|
strcpy(rewritten_url, remote->url);
|
|
strcat(rewritten_url, "/");
|
|
remote->url = rewritten_url;
|
|
++remote->path_len;
|
|
}
|
|
|
|
/* Verify DAV compliance/lock support */
|
|
if (!locking_available()) {
|
|
rc = 1;
|
|
goto cleanup;
|
|
}
|
|
|
|
signal(SIGINT, remove_locks_on_signal);
|
|
signal(SIGHUP, remove_locks_on_signal);
|
|
signal(SIGQUIT, remove_locks_on_signal);
|
|
signal(SIGTERM, remove_locks_on_signal);
|
|
|
|
/* Check whether the remote has server info files */
|
|
remote->can_update_info_refs = 0;
|
|
remote->has_info_refs = remote_exists("info/refs");
|
|
remote->has_info_packs = remote_exists("objects/info/packs");
|
|
if (remote->has_info_refs) {
|
|
info_ref_lock = lock_remote("info/refs", LOCK_TIME);
|
|
if (info_ref_lock)
|
|
remote->can_update_info_refs = 1;
|
|
else {
|
|
fprintf(stderr, "Error: cannot lock existing info/refs\n");
|
|
rc = 1;
|
|
goto cleanup;
|
|
}
|
|
}
|
|
if (remote->has_info_packs)
|
|
fetch_indices();
|
|
|
|
/* Get a list of all local and remote heads to validate refspecs */
|
|
get_local_heads();
|
|
fprintf(stderr, "Fetching remote heads...\n");
|
|
get_dav_remote_heads();
|
|
|
|
/* Remove a remote branch if -d or -D was specified */
|
|
if (delete_branch) {
|
|
if (delete_remote_branch(refspec[0], force_delete) == -1)
|
|
fprintf(stderr, "Unable to delete remote branch %s\n",
|
|
refspec[0]);
|
|
goto cleanup;
|
|
}
|
|
|
|
/* match them up */
|
|
if (!remote_tail)
|
|
remote_tail = &remote_refs;
|
|
if (match_refs(local_refs, remote_refs, &remote_tail,
|
|
nr_refspec, (const char **) refspec, push_all)) {
|
|
rc = -1;
|
|
goto cleanup;
|
|
}
|
|
if (!remote_refs) {
|
|
fprintf(stderr, "No refs in common and none specified; doing nothing.\n");
|
|
rc = 0;
|
|
goto cleanup;
|
|
}
|
|
|
|
new_refs = 0;
|
|
for (ref = remote_refs; ref; ref = ref->next) {
|
|
char old_hex[60], *new_hex;
|
|
const char *commit_argv[4];
|
|
int commit_argc;
|
|
char *new_sha1_hex, *old_sha1_hex;
|
|
|
|
if (!ref->peer_ref)
|
|
continue;
|
|
|
|
if (is_zero_sha1(ref->peer_ref->new_sha1)) {
|
|
if (delete_remote_branch(ref->name, 1) == -1) {
|
|
error("Could not remove %s", ref->name);
|
|
rc = -4;
|
|
}
|
|
new_refs++;
|
|
continue;
|
|
}
|
|
|
|
if (!hashcmp(ref->old_sha1, ref->peer_ref->new_sha1)) {
|
|
if (push_verbosely || 1)
|
|
fprintf(stderr, "'%s': up-to-date\n", ref->name);
|
|
continue;
|
|
}
|
|
|
|
if (!force_all &&
|
|
!is_zero_sha1(ref->old_sha1) &&
|
|
!ref->force) {
|
|
if (!has_sha1_file(ref->old_sha1) ||
|
|
!ref_newer(ref->peer_ref->new_sha1,
|
|
ref->old_sha1)) {
|
|
/*
|
|
* We do not have the remote ref, or
|
|
* we know that the remote ref is not
|
|
* an ancestor of what we are trying to
|
|
* push. Either way this can be losing
|
|
* commits at the remote end and likely
|
|
* we were not up to date to begin with.
|
|
*/
|
|
error("remote '%s' is not an ancestor of\n"
|
|
"local '%s'.\n"
|
|
"Maybe you are not up-to-date and "
|
|
"need to pull first?",
|
|
ref->name,
|
|
ref->peer_ref->name);
|
|
rc = -2;
|
|
continue;
|
|
}
|
|
}
|
|
hashcpy(ref->new_sha1, ref->peer_ref->new_sha1);
|
|
new_refs++;
|
|
strcpy(old_hex, sha1_to_hex(ref->old_sha1));
|
|
new_hex = sha1_to_hex(ref->new_sha1);
|
|
|
|
fprintf(stderr, "updating '%s'", ref->name);
|
|
if (strcmp(ref->name, ref->peer_ref->name))
|
|
fprintf(stderr, " using '%s'", ref->peer_ref->name);
|
|
fprintf(stderr, "\n from %s\n to %s\n", old_hex, new_hex);
|
|
if (dry_run)
|
|
continue;
|
|
|
|
/* Lock remote branch ref */
|
|
ref_lock = lock_remote(ref->name, LOCK_TIME);
|
|
if (ref_lock == NULL) {
|
|
fprintf(stderr, "Unable to lock remote branch %s\n",
|
|
ref->name);
|
|
rc = 1;
|
|
continue;
|
|
}
|
|
|
|
/* Set up revision info for this refspec */
|
|
commit_argc = 3;
|
|
new_sha1_hex = xstrdup(sha1_to_hex(ref->new_sha1));
|
|
old_sha1_hex = NULL;
|
|
commit_argv[1] = "--objects";
|
|
commit_argv[2] = new_sha1_hex;
|
|
if (!push_all && !is_zero_sha1(ref->old_sha1)) {
|
|
old_sha1_hex = xmalloc(42);
|
|
sprintf(old_sha1_hex, "^%s",
|
|
sha1_to_hex(ref->old_sha1));
|
|
commit_argv[3] = old_sha1_hex;
|
|
commit_argc++;
|
|
}
|
|
init_revisions(&revs, setup_git_directory());
|
|
setup_revisions(commit_argc, commit_argv, &revs, NULL);
|
|
revs.edge_hint = 0; /* just in case */
|
|
free(new_sha1_hex);
|
|
if (old_sha1_hex) {
|
|
free(old_sha1_hex);
|
|
commit_argv[1] = NULL;
|
|
}
|
|
|
|
/* Generate a list of objects that need to be pushed */
|
|
pushing = 0;
|
|
if (prepare_revision_walk(&revs))
|
|
die("revision walk setup failed");
|
|
mark_edges_uninteresting(revs.commits, &revs, NULL);
|
|
objects_to_send = get_delta(&revs, ref_lock);
|
|
finish_all_active_slots();
|
|
|
|
/* Push missing objects to remote, this would be a
|
|
convenient time to pack them first if appropriate. */
|
|
pushing = 1;
|
|
if (objects_to_send)
|
|
fprintf(stderr, " sending %d objects\n",
|
|
objects_to_send);
|
|
#ifdef USE_CURL_MULTI
|
|
fill_active_slots();
|
|
add_fill_function(NULL, fill_active_slot);
|
|
#endif
|
|
do {
|
|
finish_all_active_slots();
|
|
#ifdef USE_CURL_MULTI
|
|
fill_active_slots();
|
|
#endif
|
|
} while (request_queue_head && !aborted);
|
|
|
|
/* Update the remote branch if all went well */
|
|
if (aborted || !update_remote(ref->new_sha1, ref_lock))
|
|
rc = 1;
|
|
|
|
if (!rc)
|
|
fprintf(stderr, " done\n");
|
|
unlock_remote(ref_lock);
|
|
check_locks();
|
|
}
|
|
|
|
/* Update remote server info if appropriate */
|
|
if (remote->has_info_refs && new_refs) {
|
|
if (info_ref_lock && remote->can_update_info_refs) {
|
|
fprintf(stderr, "Updating remote server info\n");
|
|
if (!dry_run)
|
|
update_remote_info_refs(info_ref_lock);
|
|
} else {
|
|
fprintf(stderr, "Unable to update server info\n");
|
|
}
|
|
}
|
|
|
|
cleanup:
|
|
free(rewritten_url);
|
|
if (info_ref_lock)
|
|
unlock_remote(info_ref_lock);
|
|
free(remote);
|
|
|
|
curl_slist_free_all(no_pragma_header);
|
|
|
|
http_cleanup();
|
|
|
|
request = request_queue_head;
|
|
while (request != NULL) {
|
|
next_request = request->next;
|
|
release_request(request);
|
|
request = next_request;
|
|
}
|
|
|
|
return rc;
|
|
}
|