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git/builtin/commit-tree.c
brian m. carlson bc83266abe Convert lookup_commit* to struct object_id
Convert lookup_commit, lookup_commit_or_die,
lookup_commit_reference, and lookup_commit_reference_gently to take
struct object_id arguments.

Introduce a temporary in parse_object buffer in order to convert this
function.  This is required since in order to convert parse_object and
parse_object_buffer, lookup_commit_reference_gently and
lookup_commit_or_die would need to be converted.  Not introducing a
temporary would therefore require that lookup_commit_or_die take a
struct object_id *, but lookup_commit would take unsigned char *,
leaving a confusing and hard-to-use interface.

parse_object_buffer will lose this temporary in a later patch.

This commit was created with manual changes to commit.c, commit.h, and
object.c, plus the following semantic patch:

@@
expression E1, E2;
@@
- lookup_commit_reference_gently(E1.hash, E2)
+ lookup_commit_reference_gently(&E1, E2)

@@
expression E1, E2;
@@
- lookup_commit_reference_gently(E1->hash, E2)
+ lookup_commit_reference_gently(E1, E2)

@@
expression E1;
@@
- lookup_commit_reference(E1.hash)
+ lookup_commit_reference(&E1)

@@
expression E1;
@@
- lookup_commit_reference(E1->hash)
+ lookup_commit_reference(E1)

@@
expression E1;
@@
- lookup_commit(E1.hash)
+ lookup_commit(&E1)

@@
expression E1;
@@
- lookup_commit(E1->hash)
+ lookup_commit(E1)

@@
expression E1, E2;
@@
- lookup_commit_or_die(E1.hash, E2)
+ lookup_commit_or_die(&E1, E2)

@@
expression E1, E2;
@@
- lookup_commit_or_die(E1->hash, E2)
+ lookup_commit_or_die(E1, E2)

Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-05-08 15:12:57 +09:00

130 lines
3.0 KiB
C

/*
* GIT - The information manager from hell
*
* Copyright (C) Linus Torvalds, 2005
*/
#include "cache.h"
#include "commit.h"
#include "tree.h"
#include "builtin.h"
#include "utf8.h"
#include "gpg-interface.h"
static const char commit_tree_usage[] = "git commit-tree [(-p <sha1>)...] [-S[<keyid>]] [-m <message>] [-F <file>] <sha1>";
static const char *sign_commit;
static void new_parent(struct commit *parent, struct commit_list **parents_p)
{
struct object_id *oid = &parent->object.oid;
struct commit_list *parents;
for (parents = *parents_p; parents; parents = parents->next) {
if (parents->item == parent) {
error("duplicate parent %s ignored", oid_to_hex(oid));
return;
}
parents_p = &parents->next;
}
commit_list_insert(parent, parents_p);
}
static int commit_tree_config(const char *var, const char *value, void *cb)
{
int status = git_gpg_config(var, value, NULL);
if (status)
return status;
return git_default_config(var, value, cb);
}
int cmd_commit_tree(int argc, const char **argv, const char *prefix)
{
int i, got_tree = 0;
struct commit_list *parents = NULL;
struct object_id tree_oid;
struct object_id commit_oid;
struct strbuf buffer = STRBUF_INIT;
git_config(commit_tree_config, NULL);
if (argc < 2 || !strcmp(argv[1], "-h"))
usage(commit_tree_usage);
for (i = 1; i < argc; i++) {
const char *arg = argv[i];
if (!strcmp(arg, "-p")) {
struct object_id oid;
if (argc <= ++i)
usage(commit_tree_usage);
if (get_sha1_commit(argv[i], oid.hash))
die("Not a valid object name %s", argv[i]);
assert_sha1_type(oid.hash, OBJ_COMMIT);
new_parent(lookup_commit(&oid), &parents);
continue;
}
if (skip_prefix(arg, "-S", &sign_commit))
continue;
if (!strcmp(arg, "--no-gpg-sign")) {
sign_commit = NULL;
continue;
}
if (!strcmp(arg, "-m")) {
if (argc <= ++i)
usage(commit_tree_usage);
if (buffer.len)
strbuf_addch(&buffer, '\n');
strbuf_addstr(&buffer, argv[i]);
strbuf_complete_line(&buffer);
continue;
}
if (!strcmp(arg, "-F")) {
int fd;
if (argc <= ++i)
usage(commit_tree_usage);
if (buffer.len)
strbuf_addch(&buffer, '\n');
if (!strcmp(argv[i], "-"))
fd = 0;
else {
fd = open(argv[i], O_RDONLY);
if (fd < 0)
die_errno("git commit-tree: failed to open '%s'",
argv[i]);
}
if (strbuf_read(&buffer, fd, 0) < 0)
die_errno("git commit-tree: failed to read '%s'",
argv[i]);
if (fd && close(fd))
die_errno("git commit-tree: failed to close '%s'",
argv[i]);
strbuf_complete_line(&buffer);
continue;
}
if (get_sha1_tree(arg, tree_oid.hash))
die("Not a valid object name %s", arg);
if (got_tree)
die("Cannot give more than one trees");
got_tree = 1;
}
if (!buffer.len) {
if (strbuf_read(&buffer, 0, 0) < 0)
die_errno("git commit-tree: failed to read");
}
if (commit_tree(buffer.buf, buffer.len, tree_oid.hash, parents,
commit_oid.hash, NULL, sign_commit)) {
strbuf_release(&buffer);
return 1;
}
printf("%s\n", oid_to_hex(&commit_oid));
strbuf_release(&buffer);
return 0;
}