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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"
#include "gpg-interface.h"
static const char commit_tree_usage[] = "git commit-tree [(-p <sha1>)...] [-S<signer>] [-m <message>] [-F <file>] <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);
}
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;
unsigned char tree_sha1[20];
unsigned char commit_sha1[20];
struct strbuf buffer = STRBUF_INIT;
const char *sign_commit = NULL;
git_config(commit_tree_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 = 1; i < argc; i++) {
const char *arg = argv[i];
if (!strcmp(arg, "-p")) {
unsigned char sha1[20];
if (argc <= ++i)
usage(commit_tree_usage);
if (get_sha1(argv[i], sha1))
die("Not a valid object name %s", argv[i]);
assert_sha1_type(sha1, OBJ_COMMIT);
new_parent(lookup_commit(sha1), &parents);
continue;
}
if (!memcmp(arg, "-S", 2)) {
sign_commit = arg + 2;
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(arg, tree_sha1))
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, tree_sha1, parents, commit_sha1,
NULL, sign_commit)) {
strbuf_release(&buffer);
return 1;
}
printf("%s\n", sha1_to_hex(commit_sha1));
strbuf_release(&buffer);
return 0;
}
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