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/*
* 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"
static const char commit_tree_usage[] = "git commit-tree <sha1> [(-p <sha1>)...] < changelog";
static void new_parent(struct commit *parent, struct commit_list **parents_p)
{
unsigned char *sha1 = parent->object.sha1;
struct commit_list *parents;
for (parents = *parents_p; parents; parents = parents->next) {
if (parents->item == parent) {
error("duplicate parent %s ignored", sha1_to_hex(sha1));
return;
}
parents_p = &parents->next;
}
commit_list_insert(parent, parents_p);
}
int cmd_commit_tree(int argc, const char **argv, const char *prefix)
{
int i;
struct commit_list *parents = NULL;
unsigned char tree_sha1[20];
unsigned char commit_sha1[20];
struct strbuf buffer = STRBUF_INIT;
git_config(git_default_config, NULL);
if (argc < 2 || !strcmp(argv[1], "-h"))
usage(commit_tree_usage);
if (get_sha1(argv[1], tree_sha1))
die("Not a valid object name %s", argv[1]);
for (i = 2; i < argc; i += 2) {
unsigned char sha1[20];
const char *a, *b;
a = argv[i]; b = argv[i+1];
if (!b || strcmp(a, "-p"))
usage(commit_tree_usage);
if (get_sha1(b, sha1))
die("Not a valid object name %s", b);
assert_sha1_type(sha1, OBJ_COMMIT);
new_parent(lookup_commit(sha1), &parents);
}
if (strbuf_read(&buffer, 0, 0) < 0)
die_errno("git commit-tree: failed to read");
if (commit_tree(&buffer, tree_sha1, parents, commit_sha1, NULL)) {
strbuf_release(&buffer);
return 1;
}
printf("%s\n", sha1_to_hex(commit_sha1));
strbuf_release(&buffer);
return 0;
}
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