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