ci: avoid brew for installing perforce
[git/debian.git] / builtin / commit-tree.c
blob63ea3229333c8766d51c34be9aec3f4d1bab3cd9
1 /*
2 * GIT - The information manager from hell
4 * Copyright (C) Linus Torvalds, 2005
5 */
6 #include "cache.h"
7 #include "config.h"
8 #include "object-store.h"
9 #include "repository.h"
10 #include "commit.h"
11 #include "tree.h"
12 #include "builtin.h"
13 #include "utf8.h"
14 #include "gpg-interface.h"
15 #include "parse-options.h"
17 static const char * const commit_tree_usage[] = {
18 N_("git commit-tree [(-p <parent>)...] [-S[<keyid>]] [(-m <message>)...] "
19 "[(-F <file>)...] <tree>"),
20 NULL
23 static const char *sign_commit;
25 static void new_parent(struct commit *parent, struct commit_list **parents_p)
27 struct object_id *oid = &parent->object.oid;
28 struct commit_list *parents;
29 for (parents = *parents_p; parents; parents = parents->next) {
30 if (parents->item == parent) {
31 error(_("duplicate parent %s ignored"), oid_to_hex(oid));
32 return;
34 parents_p = &parents->next;
36 commit_list_insert(parent, parents_p);
39 static int commit_tree_config(const char *var, const char *value, void *cb)
41 int status = git_gpg_config(var, value, NULL);
42 if (status)
43 return status;
44 return git_default_config(var, value, cb);
47 static int parse_parent_arg_callback(const struct option *opt,
48 const char *arg, int unset)
50 struct object_id oid;
51 struct commit_list **parents = opt->value;
53 BUG_ON_OPT_NEG_NOARG(unset, arg);
55 if (get_oid_commit(arg, &oid))
56 die(_("not a valid object name %s"), arg);
58 assert_oid_type(&oid, OBJ_COMMIT);
59 new_parent(lookup_commit(the_repository, &oid), parents);
60 return 0;
63 static int parse_message_arg_callback(const struct option *opt,
64 const char *arg, int unset)
66 struct strbuf *buf = opt->value;
68 BUG_ON_OPT_NEG_NOARG(unset, arg);
70 if (buf->len)
71 strbuf_addch(buf, '\n');
72 strbuf_addstr(buf, arg);
73 strbuf_complete_line(buf);
75 return 0;
78 static int parse_file_arg_callback(const struct option *opt,
79 const char *arg, int unset)
81 int fd;
82 struct strbuf *buf = opt->value;
84 BUG_ON_OPT_NEG_NOARG(unset, arg);
86 if (buf->len)
87 strbuf_addch(buf, '\n');
88 if (!strcmp(arg, "-"))
89 fd = 0;
90 else {
91 fd = xopen(arg, O_RDONLY);
93 if (strbuf_read(buf, fd, 0) < 0)
94 die_errno(_("git commit-tree: failed to read '%s'"), arg);
95 if (fd && close(fd))
96 die_errno(_("git commit-tree: failed to close '%s'"), arg);
98 return 0;
101 int cmd_commit_tree(int argc, const char **argv, const char *prefix)
103 static struct strbuf buffer = STRBUF_INIT;
104 struct commit_list *parents = NULL;
105 struct object_id tree_oid;
106 struct object_id commit_oid;
108 struct option options[] = {
109 OPT_CALLBACK_F('p', NULL, &parents, N_("parent"),
110 N_("id of a parent commit object"), PARSE_OPT_NONEG,
111 parse_parent_arg_callback),
112 OPT_CALLBACK_F('m', NULL, &buffer, N_("message"),
113 N_("commit message"), PARSE_OPT_NONEG,
114 parse_message_arg_callback),
115 OPT_CALLBACK_F('F', NULL, &buffer, N_("file"),
116 N_("read commit log message from file"), PARSE_OPT_NONEG,
117 parse_file_arg_callback),
118 { OPTION_STRING, 'S', "gpg-sign", &sign_commit, N_("key-id"),
119 N_("GPG sign commit"), PARSE_OPT_OPTARG, NULL, (intptr_t) "" },
120 OPT_END()
123 git_config(commit_tree_config, NULL);
125 if (argc < 2 || !strcmp(argv[1], "-h"))
126 usage_with_options(commit_tree_usage, options);
128 argc = parse_options(argc, argv, prefix, options, commit_tree_usage, 0);
130 if (argc != 1)
131 die(_("must give exactly one tree"));
133 if (get_oid_tree(argv[0], &tree_oid))
134 die(_("not a valid object name %s"), argv[0]);
136 if (!buffer.len) {
137 if (strbuf_read(&buffer, 0, 0) < 0)
138 die_errno(_("git commit-tree: failed to read"));
141 if (commit_tree(buffer.buf, buffer.len, &tree_oid, parents, &commit_oid,
142 NULL, sign_commit)) {
143 strbuf_release(&buffer);
144 return 1;
147 printf("%s\n", oid_to_hex(&commit_oid));
148 strbuf_release(&buffer);
149 return 0;