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upload-pack: no longer call rev-list 

It is trivial to do now, and it is needed for the upcoming shallow
clone stuff.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <junkio@cox.net>
This commit is contained in:
Johannes Schindelin 2006-10-30 20:08:43 +01:00 committed by Junio C Hamano
parent 7002243f7e
commit 9b8dc263e1
1 changed files with 61 additions and 34 deletions
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95
upload-pack.c
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@ -9,6 +9,9 @@
#include "object.h"
#include "commit.h"
#include "exec_cmd.h"
#include "diff.h"
#include "revision.h"
#include "list-objects.h"
static const char upload_pack_usage[] = "git-upload-pack [--strict] [--timeout=nn] <dir>";
@ -57,6 +60,40 @@ static ssize_t send_client_data(int fd, const char *data, ssize_t sz)
return safe_write(fd, data, sz);
}
FILE *pack_pipe = NULL;
static void show_commit(struct commit *commit)
{
if (commit->object.flags & BOUNDARY)
fputc('-', pack_pipe);
if (fputs(sha1_to_hex(commit->object.sha1), pack_pipe) < 0)
die("broken output pipe");
fputc('\n', pack_pipe);
fflush(pack_pipe);
free(commit->buffer);
commit->buffer = NULL;
}
static void show_object(struct object_array_entry *p)
{
/* An object with name "foo\n0000000..." can be used to
* confuse downstream git-pack-objects very badly.
*/
const char *ep = strchr(p->name, '\n');
if (ep) {
fprintf(pack_pipe, "%s %.*s\n", sha1_to_hex(p->item->sha1),
(int) (ep - p->name),
p->name);
}
else
fprintf(pack_pipe, "%s %s\n",
sha1_to_hex(p->item->sha1), p->name);
}
static void show_edge(struct commit *commit)
{
fprintf(pack_pipe, "-%s\n", sha1_to_hex(commit->object.sha1));
}
static void create_pack_file(void)
{
/* Pipes between rev-list to pack-objects, pack-objects to us
@ -78,48 +115,38 @@ static void create_pack_file(void)
if (!pid_rev_list) {
int i;
int args;
const char **argv;
const char **p;
char *buf;
struct rev_info revs;
pack_pipe = fdopen(lp_pipe[1], "w");
if (create_full_pack)
use_thin_pack = 0; /* no point doing it */
init_revisions(&revs, NULL);
revs.tag_objects = 1;
revs.tree_objects = 1;
revs.blob_objects = 1;
if (use_thin_pack)
revs.edge_hint = 1;
if (create_full_pack) {
args = 10;
use_thin_pack = 0; /* no point doing it */
}
else
args = have_obj.nr + want_obj.nr + 5;
p = xmalloc(args * sizeof(char *));
argv = (const char **) p;
buf = xmalloc(args * 45);
dup2(lp_pipe[1], 1);
close(0);
close(lp_pipe[0]);
close(lp_pipe[1]);
*p++ = "rev-list";
*p++ = use_thin_pack ? "--objects-edge" : "--objects";
if (create_full_pack)
*p++ = "--all";
else {
const char *args[] = {"rev-list", "--all", NULL};
setup_revisions(2, args, &revs, NULL);
} else {
for (i = 0; i < want_obj.nr; i++) {
struct object *o = want_obj.objects[i].item;
*p++ = buf;
memcpy(buf, sha1_to_hex(o->sha1), 41);
buf += 41;
add_pending_object(&revs, o, NULL);
}
}
if (!create_full_pack)
for (i = 0; i < have_obj.nr; i++) {
struct object *o = have_obj.objects[i].item;
*p++ = buf;
*buf++ = '^';
memcpy(buf, sha1_to_hex(o->sha1), 41);
buf += 41;
o->flags |= UNINTERESTING;
add_pending_object(&revs, o, NULL);
}
*p++ = NULL;
execv_git_cmd(argv);
die("git-upload-pack: unable to exec git-rev-list");
setup_revisions(0, NULL, &revs, NULL);
}
prepare_revision_walk(&revs);
mark_edges_uninteresting(revs.commits, &revs, show_edge);
traverse_commit_list(&revs, show_commit, show_object);
exit(0);
}
if (pipe(pu_pipe) < 0)