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/*
* GIT - The information manager from hell
*
* Copyright (C) Linus Torvalds, 2005
*/
#include "cache.h"
#include "config.h"
#include "object-store.h"
#include "repository.h"
#include "commit.h"
#include "tree.h"
#include "builtin.h"
#include "utf8.h"
#include "gpg-interface.h"
#include "parse-options.h"
static const char * const commit_tree_usage[] = {
N_("git commit-tree [(-p <parent>)...] [-S[<keyid>]] [(-m <message>)...] "
"[(-F <file>)...] <tree>"),
NULL
};
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);
}
static int parse_parent_arg_callback(const struct option *opt,
const char *arg, int unset)
{
struct object_id oid;
struct commit_list **parents = opt->value;
BUG_ON_OPT_NEG_NOARG(unset, arg);
if (get_oid_commit(arg, &oid))
die(_("not a valid object name %s"), arg);
assert_oid_type(&oid, OBJ_COMMIT);
new_parent(lookup_commit(the_repository, &oid), parents);
return 0;
}
static int parse_message_arg_callback(const struct option *opt,
const char *arg, int unset)
{
struct strbuf *buf = opt->value;
BUG_ON_OPT_NEG_NOARG(unset, arg);
if (buf->len)
strbuf_addch(buf, '\n');
strbuf_addstr(buf, arg);
strbuf_complete_line(buf);
return 0;
}
static int parse_file_arg_callback(const struct option *opt,
const char *arg, int unset)
{
int fd;
struct strbuf *buf = opt->value;
BUG_ON_OPT_NEG_NOARG(unset, arg);
if (buf->len)
strbuf_addch(buf, '\n');
if (!strcmp(arg, "-"))
fd = 0;
else {
fd = open(arg, O_RDONLY);
if (fd < 0)
die_errno(_("git commit-tree: failed to open '%s'"), arg);
}
if (strbuf_read(buf, fd, 0) < 0)
die_errno(_("git commit-tree: failed to read '%s'"), arg);
if (fd && close(fd))
die_errno(_("git commit-tree: failed to close '%s'"), arg);
return 0;
}
int cmd_commit_tree(int argc, const char **argv, const char *prefix)
{
static struct strbuf buffer = STRBUF_INIT;
struct commit_list *parents = NULL;
struct object_id tree_oid;
struct object_id commit_oid;
struct option options[] = {
OPT_CALLBACK_F('p', NULL, &parents, N_("parent"),
N_("id of a parent commit object"), PARSE_OPT_NONEG,
parse_parent_arg_callback),
OPT_CALLBACK_F('m', NULL, &buffer, N_("message"),
N_("commit message"), PARSE_OPT_NONEG,
parse_message_arg_callback),
OPT_CALLBACK_F('F', NULL, &buffer, N_("file"),
N_("read commit log message from file"), PARSE_OPT_NONEG,
parse_file_arg_callback),
{ OPTION_STRING, 'S', "gpg-sign", &sign_commit, N_("key-id"),
N_("GPG sign commit"), PARSE_OPT_OPTARG, NULL, (intptr_t) "" },
OPT_END()
};
git_config(commit_tree_config, NULL);
if (argc < 2 || !strcmp(argv[1], "-h"))
usage_with_options(commit_tree_usage, options);
argc = parse_options(argc, argv, prefix, options, commit_tree_usage, 0);
if (argc != 1)
die(_("must give exactly one tree"));
if (get_oid_tree(argv[0], &tree_oid))
die(_("not a valid object name %s"), argv[0]);
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, parents, &commit_oid,
NULL, sign_commit)) {
strbuf_release(&buffer);
return 1;
}
printf("%s\n", oid_to_hex(&commit_oid));
strbuf_release(&buffer);
return 0;
}
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