diff options
Diffstat (limited to 'third_party/git/builtin/commit-tree.c')
| -rw-r--r-- | third_party/git/builtin/commit-tree.c | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/third_party/git/builtin/commit-tree.c b/third_party/git/builtin/commit-tree.c new file mode 100644 index 0000000000..b866d83951 --- /dev/null +++ b/third_party/git/builtin/commit-tree.c @@ -0,0 +1,152 @@ +/* + * 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[] = { + { OPTION_CALLBACK, 'p', NULL, &parents, N_("parent"), + N_("id of a parent commit object"), PARSE_OPT_NONEG, + parse_parent_arg_callback }, + { OPTION_CALLBACK, 'm', NULL, &buffer, N_("message"), + N_("commit message"), PARSE_OPT_NONEG, + parse_message_arg_callback }, + { OPTION_CALLBACK, '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; +} |