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![Junio C Hamano](/assets/img/avatar_default.png)
* jc/parse-date-raw: parse_date(): '@' prefix forces git-timestamp parse_date(): allow ancient git-timestamp
1571 lines
44 KiB
C
1571 lines
44 KiB
C
/*
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* Builtin "git commit"
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*
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* Copyright (c) 2007 Kristian Høgsberg <krh@redhat.com>
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* Based on git-commit.sh by Junio C Hamano and Linus Torvalds
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*/
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#include "cache.h"
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#include "cache-tree.h"
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#include "color.h"
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#include "dir.h"
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#include "builtin.h"
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#include "diff.h"
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#include "diffcore.h"
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#include "commit.h"
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#include "revision.h"
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#include "wt-status.h"
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#include "run-command.h"
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#include "refs.h"
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#include "log-tree.h"
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#include "strbuf.h"
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#include "utf8.h"
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#include "parse-options.h"
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#include "string-list.h"
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#include "rerere.h"
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#include "unpack-trees.h"
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#include "quote.h"
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#include "submodule.h"
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#include "gpg-interface.h"
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static const char * const builtin_commit_usage[] = {
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"git commit [options] [--] <filepattern>...",
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NULL
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};
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static const char * const builtin_status_usage[] = {
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"git status [options] [--] <filepattern>...",
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NULL
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};
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static const char implicit_ident_advice[] =
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N_("Your name and email address were configured automatically based\n"
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"on your username and hostname. Please check that they are accurate.\n"
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"You can suppress this message by setting them explicitly:\n"
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"\n"
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" git config --global user.name \"Your Name\"\n"
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" git config --global user.email you@example.com\n"
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"\n"
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"After doing this, you may fix the identity used for this commit with:\n"
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"\n"
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" git commit --amend --reset-author\n");
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static const char empty_amend_advice[] =
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N_("You asked to amend the most recent commit, but doing so would make\n"
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"it empty. You can repeat your command with --allow-empty, or you can\n"
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"remove the commit entirely with \"git reset HEAD^\".\n");
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static const char empty_cherry_pick_advice[] =
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N_("The previous cherry-pick is now empty, possibly due to conflict resolution.\n"
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"If you wish to commit it anyway, use:\n"
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"\n"
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" git commit --allow-empty\n"
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"\n"
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"Otherwise, please use 'git reset'\n");
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static const char *use_message_buffer;
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static const char commit_editmsg[] = "COMMIT_EDITMSG";
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static struct lock_file index_lock; /* real index */
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static struct lock_file false_lock; /* used only for partial commits */
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static enum {
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COMMIT_AS_IS = 1,
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COMMIT_NORMAL,
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COMMIT_PARTIAL
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} commit_style;
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static const char *logfile, *force_author;
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static const char *template_file;
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/*
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* The _message variables are commit names from which to take
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* the commit message and/or authorship.
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*/
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static const char *author_message, *author_message_buffer;
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static char *edit_message, *use_message;
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static char *fixup_message, *squash_message;
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static int all, also, interactive, patch_interactive, only, amend, signoff;
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static int edit_flag = -1; /* unspecified */
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static int quiet, verbose, no_verify, allow_empty, dry_run, renew_authorship;
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static int no_post_rewrite, allow_empty_message;
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static char *untracked_files_arg, *force_date, *ignore_submodule_arg;
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static char *sign_commit;
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/*
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* The default commit message cleanup mode will remove the lines
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* beginning with # (shell comments) and leading and trailing
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* whitespaces (empty lines or containing only whitespaces)
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* if editor is used, and only the whitespaces if the message
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* is specified explicitly.
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*/
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static enum {
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CLEANUP_SPACE,
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CLEANUP_NONE,
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CLEANUP_ALL
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} cleanup_mode;
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static char *cleanup_arg;
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static enum commit_whence whence;
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static int use_editor = 1, include_status = 1;
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static int show_ignored_in_status;
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static const char *only_include_assumed;
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static struct strbuf message = STRBUF_INIT;
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static int null_termination;
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static enum {
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STATUS_FORMAT_LONG,
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STATUS_FORMAT_SHORT,
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STATUS_FORMAT_PORCELAIN
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} status_format = STATUS_FORMAT_LONG;
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static int status_show_branch;
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static int opt_parse_m(const struct option *opt, const char *arg, int unset)
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{
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struct strbuf *buf = opt->value;
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if (unset)
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strbuf_setlen(buf, 0);
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else {
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strbuf_addstr(buf, arg);
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strbuf_addstr(buf, "\n\n");
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}
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return 0;
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}
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static struct option builtin_commit_options[] = {
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OPT__QUIET(&quiet, "suppress summary after successful commit"),
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OPT__VERBOSE(&verbose, "show diff in commit message template"),
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OPT_GROUP("Commit message options"),
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OPT_FILENAME('F', "file", &logfile, "read message from file"),
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OPT_STRING(0, "author", &force_author, "author", "override author for commit"),
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OPT_STRING(0, "date", &force_date, "date", "override date for commit"),
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OPT_CALLBACK('m', "message", &message, "message", "commit message", opt_parse_m),
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OPT_STRING('c', "reedit-message", &edit_message, "commit", "reuse and edit message from specified commit"),
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OPT_STRING('C', "reuse-message", &use_message, "commit", "reuse message from specified commit"),
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OPT_STRING(0, "fixup", &fixup_message, "commit", "use autosquash formatted message to fixup specified commit"),
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OPT_STRING(0, "squash", &squash_message, "commit", "use autosquash formatted message to squash specified commit"),
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OPT_BOOLEAN(0, "reset-author", &renew_authorship, "the commit is authored by me now (used with -C/-c/--amend)"),
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OPT_BOOLEAN('s', "signoff", &signoff, "add Signed-off-by:"),
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OPT_FILENAME('t', "template", &template_file, "use specified template file"),
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OPT_BOOL('e', "edit", &edit_flag, "force edit of commit"),
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OPT_STRING(0, "cleanup", &cleanup_arg, "default", "how to strip spaces and #comments from message"),
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OPT_BOOLEAN(0, "status", &include_status, "include status in commit message template"),
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{ OPTION_STRING, 'S', "gpg-sign", &sign_commit, "key id",
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"GPG sign commit", PARSE_OPT_OPTARG, NULL, (intptr_t) "" },
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/* end commit message options */
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OPT_GROUP("Commit contents options"),
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OPT_BOOLEAN('a', "all", &all, "commit all changed files"),
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OPT_BOOLEAN('i', "include", &also, "add specified files to index for commit"),
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OPT_BOOLEAN(0, "interactive", &interactive, "interactively add files"),
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OPT_BOOLEAN('p', "patch", &patch_interactive, "interactively add changes"),
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OPT_BOOLEAN('o', "only", &only, "commit only specified files"),
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OPT_BOOLEAN('n', "no-verify", &no_verify, "bypass pre-commit hook"),
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OPT_BOOLEAN(0, "dry-run", &dry_run, "show what would be committed"),
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OPT_SET_INT(0, "short", &status_format, "show status concisely",
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STATUS_FORMAT_SHORT),
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OPT_BOOLEAN(0, "branch", &status_show_branch, "show branch information"),
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OPT_SET_INT(0, "porcelain", &status_format,
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"machine-readable output", STATUS_FORMAT_PORCELAIN),
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OPT_BOOLEAN('z', "null", &null_termination,
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"terminate entries with NUL"),
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OPT_BOOLEAN(0, "amend", &amend, "amend previous commit"),
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OPT_BOOLEAN(0, "no-post-rewrite", &no_post_rewrite, "bypass post-rewrite hook"),
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{ OPTION_STRING, 'u', "untracked-files", &untracked_files_arg, "mode", "show untracked files, optional modes: all, normal, no. (Default: all)", PARSE_OPT_OPTARG, NULL, (intptr_t)"all" },
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/* end commit contents options */
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{ OPTION_BOOLEAN, 0, "allow-empty", &allow_empty, NULL,
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"ok to record an empty change",
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PARSE_OPT_NOARG | PARSE_OPT_HIDDEN },
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{ OPTION_BOOLEAN, 0, "allow-empty-message", &allow_empty_message, NULL,
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"ok to record a change with an empty message",
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PARSE_OPT_NOARG | PARSE_OPT_HIDDEN },
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OPT_END()
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};
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static void determine_whence(struct wt_status *s)
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{
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if (file_exists(git_path("MERGE_HEAD")))
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whence = FROM_MERGE;
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else if (file_exists(git_path("CHERRY_PICK_HEAD")))
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whence = FROM_CHERRY_PICK;
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else
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whence = FROM_COMMIT;
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if (s)
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s->whence = whence;
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}
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static const char *whence_s(void)
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{
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char *s = "";
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switch (whence) {
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case FROM_COMMIT:
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break;
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case FROM_MERGE:
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s = "merge";
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break;
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case FROM_CHERRY_PICK:
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s = "cherry-pick";
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break;
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}
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return s;
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}
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static void rollback_index_files(void)
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{
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switch (commit_style) {
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case COMMIT_AS_IS:
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break; /* nothing to do */
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case COMMIT_NORMAL:
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rollback_lock_file(&index_lock);
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break;
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case COMMIT_PARTIAL:
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rollback_lock_file(&index_lock);
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rollback_lock_file(&false_lock);
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break;
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}
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}
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static int commit_index_files(void)
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{
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int err = 0;
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switch (commit_style) {
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case COMMIT_AS_IS:
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break; /* nothing to do */
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case COMMIT_NORMAL:
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err = commit_lock_file(&index_lock);
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break;
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case COMMIT_PARTIAL:
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err = commit_lock_file(&index_lock);
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rollback_lock_file(&false_lock);
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break;
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}
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return err;
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}
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/*
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* Take a union of paths in the index and the named tree (typically, "HEAD"),
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* and return the paths that match the given pattern in list.
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*/
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static int list_paths(struct string_list *list, const char *with_tree,
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const char *prefix, const char **pattern)
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{
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int i;
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char *m;
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for (i = 0; pattern[i]; i++)
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;
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m = xcalloc(1, i);
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if (with_tree) {
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char *max_prefix = common_prefix(pattern);
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overlay_tree_on_cache(with_tree, max_prefix ? max_prefix : prefix);
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free(max_prefix);
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}
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for (i = 0; i < active_nr; i++) {
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struct cache_entry *ce = active_cache[i];
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struct string_list_item *item;
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if (ce->ce_flags & CE_UPDATE)
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continue;
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if (!match_pathspec(pattern, ce->name, ce_namelen(ce), 0, m))
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continue;
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item = string_list_insert(list, ce->name);
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if (ce_skip_worktree(ce))
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item->util = item; /* better a valid pointer than a fake one */
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}
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return report_path_error(m, pattern, prefix);
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}
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static void add_remove_files(struct string_list *list)
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{
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int i;
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for (i = 0; i < list->nr; i++) {
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struct stat st;
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struct string_list_item *p = &(list->items[i]);
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/* p->util is skip-worktree */
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if (p->util)
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continue;
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if (!lstat(p->string, &st)) {
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if (add_to_cache(p->string, &st, 0))
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die(_("updating files failed"));
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} else
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remove_file_from_cache(p->string);
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}
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}
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static void create_base_index(const struct commit *current_head)
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{
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struct tree *tree;
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struct unpack_trees_options opts;
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struct tree_desc t;
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if (!current_head) {
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discard_cache();
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return;
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}
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memset(&opts, 0, sizeof(opts));
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opts.head_idx = 1;
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opts.index_only = 1;
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opts.merge = 1;
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opts.src_index = &the_index;
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opts.dst_index = &the_index;
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opts.fn = oneway_merge;
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tree = parse_tree_indirect(current_head->object.sha1);
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if (!tree)
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die(_("failed to unpack HEAD tree object"));
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parse_tree(tree);
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init_tree_desc(&t, tree->buffer, tree->size);
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if (unpack_trees(1, &t, &opts))
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exit(128); /* We've already reported the error, finish dying */
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}
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static void refresh_cache_or_die(int refresh_flags)
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{
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/*
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* refresh_flags contains REFRESH_QUIET, so the only errors
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* are for unmerged entries.
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*/
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if (refresh_cache(refresh_flags | REFRESH_IN_PORCELAIN))
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die_resolve_conflict("commit");
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}
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static char *prepare_index(int argc, const char **argv, const char *prefix,
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const struct commit *current_head, int is_status)
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{
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int fd;
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struct string_list partial;
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const char **pathspec = NULL;
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char *old_index_env = NULL;
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int refresh_flags = REFRESH_QUIET;
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if (is_status)
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refresh_flags |= REFRESH_UNMERGED;
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if (*argv)
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pathspec = get_pathspec(prefix, argv);
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if (read_cache_preload(pathspec) < 0)
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die(_("index file corrupt"));
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if (interactive) {
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fd = hold_locked_index(&index_lock, 1);
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refresh_cache_or_die(refresh_flags);
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if (write_cache(fd, active_cache, active_nr) ||
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close_lock_file(&index_lock))
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die(_("unable to create temporary index"));
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old_index_env = getenv(INDEX_ENVIRONMENT);
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setenv(INDEX_ENVIRONMENT, index_lock.filename, 1);
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if (interactive_add(argc, argv, prefix, patch_interactive) != 0)
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die(_("interactive add failed"));
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if (old_index_env && *old_index_env)
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setenv(INDEX_ENVIRONMENT, old_index_env, 1);
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else
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unsetenv(INDEX_ENVIRONMENT);
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discard_cache();
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read_cache_from(index_lock.filename);
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commit_style = COMMIT_NORMAL;
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return index_lock.filename;
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}
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/*
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* Non partial, non as-is commit.
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*
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* (1) get the real index;
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* (2) update the_index as necessary;
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* (3) write the_index out to the real index (still locked);
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* (4) return the name of the locked index file.
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*
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* The caller should run hooks on the locked real index, and
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* (A) if all goes well, commit the real index;
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* (B) on failure, rollback the real index.
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*/
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if (all || (also && pathspec && *pathspec)) {
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fd = hold_locked_index(&index_lock, 1);
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add_files_to_cache(also ? prefix : NULL, pathspec, 0);
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refresh_cache_or_die(refresh_flags);
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update_main_cache_tree(1);
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if (write_cache(fd, active_cache, active_nr) ||
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close_lock_file(&index_lock))
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die(_("unable to write new_index file"));
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commit_style = COMMIT_NORMAL;
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return index_lock.filename;
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}
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/*
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* As-is commit.
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*
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* (1) return the name of the real index file.
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*
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* The caller should run hooks on the real index,
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* and create commit from the_index.
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* We still need to refresh the index here.
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*/
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if (!pathspec || !*pathspec) {
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fd = hold_locked_index(&index_lock, 1);
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refresh_cache_or_die(refresh_flags);
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if (active_cache_changed) {
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update_main_cache_tree(1);
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if (write_cache(fd, active_cache, active_nr) ||
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commit_locked_index(&index_lock))
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die(_("unable to write new_index file"));
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} else {
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rollback_lock_file(&index_lock);
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}
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commit_style = COMMIT_AS_IS;
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return get_index_file();
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}
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/*
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* A partial commit.
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*
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* (0) find the set of affected paths;
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* (1) get lock on the real index file;
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* (2) update the_index with the given paths;
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* (3) write the_index out to the real index (still locked);
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* (4) get lock on the false index file;
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* (5) reset the_index from HEAD;
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* (6) update the_index the same way as (2);
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* (7) write the_index out to the false index file;
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* (8) return the name of the false index file (still locked);
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*
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* The caller should run hooks on the locked false index, and
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* create commit from it. Then
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* (A) if all goes well, commit the real index;
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* (B) on failure, rollback the real index;
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* In either case, rollback the false index.
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*/
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commit_style = COMMIT_PARTIAL;
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if (whence != FROM_COMMIT)
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die(_("cannot do a partial commit during a %s."), whence_s());
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memset(&partial, 0, sizeof(partial));
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partial.strdup_strings = 1;
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if (list_paths(&partial, !current_head ? NULL : "HEAD", prefix, pathspec))
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exit(1);
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discard_cache();
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if (read_cache() < 0)
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die(_("cannot read the index"));
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fd = hold_locked_index(&index_lock, 1);
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add_remove_files(&partial);
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refresh_cache(REFRESH_QUIET);
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if (write_cache(fd, active_cache, active_nr) ||
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close_lock_file(&index_lock))
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die(_("unable to write new_index file"));
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fd = hold_lock_file_for_update(&false_lock,
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git_path("next-index-%"PRIuMAX,
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(uintmax_t) getpid()),
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LOCK_DIE_ON_ERROR);
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create_base_index(current_head);
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add_remove_files(&partial);
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refresh_cache(REFRESH_QUIET);
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|
|
|
if (write_cache(fd, active_cache, active_nr) ||
|
|
close_lock_file(&false_lock))
|
|
die(_("unable to write temporary index file"));
|
|
|
|
discard_cache();
|
|
read_cache_from(false_lock.filename);
|
|
|
|
return false_lock.filename;
|
|
}
|
|
|
|
static int run_status(FILE *fp, const char *index_file, const char *prefix, int nowarn,
|
|
struct wt_status *s)
|
|
{
|
|
unsigned char sha1[20];
|
|
|
|
if (s->relative_paths)
|
|
s->prefix = prefix;
|
|
|
|
if (amend) {
|
|
s->amend = 1;
|
|
s->reference = "HEAD^1";
|
|
}
|
|
s->verbose = verbose;
|
|
s->index_file = index_file;
|
|
s->fp = fp;
|
|
s->nowarn = nowarn;
|
|
s->is_initial = get_sha1(s->reference, sha1) ? 1 : 0;
|
|
|
|
wt_status_collect(s);
|
|
|
|
switch (status_format) {
|
|
case STATUS_FORMAT_SHORT:
|
|
wt_shortstatus_print(s, null_termination, status_show_branch);
|
|
break;
|
|
case STATUS_FORMAT_PORCELAIN:
|
|
wt_porcelain_print(s, null_termination);
|
|
break;
|
|
case STATUS_FORMAT_LONG:
|
|
wt_status_print(s);
|
|
break;
|
|
}
|
|
|
|
return s->commitable;
|
|
}
|
|
|
|
static int is_a_merge(const struct commit *current_head)
|
|
{
|
|
return !!(current_head->parents && current_head->parents->next);
|
|
}
|
|
|
|
static const char sign_off_header[] = "Signed-off-by: ";
|
|
|
|
static void determine_author_info(struct strbuf *author_ident)
|
|
{
|
|
char *name, *email, *date;
|
|
|
|
name = getenv("GIT_AUTHOR_NAME");
|
|
email = getenv("GIT_AUTHOR_EMAIL");
|
|
date = getenv("GIT_AUTHOR_DATE");
|
|
|
|
if (author_message) {
|
|
const char *a, *lb, *rb, *eol;
|
|
size_t len;
|
|
|
|
a = strstr(author_message_buffer, "\nauthor ");
|
|
if (!a)
|
|
die(_("invalid commit: %s"), author_message);
|
|
|
|
lb = strchrnul(a + strlen("\nauthor "), '<');
|
|
rb = strchrnul(lb, '>');
|
|
eol = strchrnul(rb, '\n');
|
|
if (!*lb || !*rb || !*eol)
|
|
die(_("invalid commit: %s"), author_message);
|
|
|
|
if (lb == a + strlen("\nauthor "))
|
|
/* \nauthor <foo@example.com> */
|
|
name = xcalloc(1, 1);
|
|
else
|
|
name = xmemdupz(a + strlen("\nauthor "),
|
|
(lb - strlen(" ") -
|
|
(a + strlen("\nauthor "))));
|
|
email = xmemdupz(lb + strlen("<"), rb - (lb + strlen("<")));
|
|
date = xmemdupz(rb + strlen("> "), eol - (rb + strlen("> ")));
|
|
len = eol - (rb + strlen("> "));
|
|
date = xmalloc(len + 2);
|
|
*date = '@';
|
|
memcpy(date + 1, rb + strlen("> "), len);
|
|
date[len + 1] = '\0';
|
|
}
|
|
|
|
if (force_author) {
|
|
const char *lb = strstr(force_author, " <");
|
|
const char *rb = strchr(force_author, '>');
|
|
|
|
if (!lb || !rb)
|
|
die(_("malformed --author parameter"));
|
|
name = xstrndup(force_author, lb - force_author);
|
|
email = xstrndup(lb + 2, rb - (lb + 2));
|
|
}
|
|
|
|
if (force_date)
|
|
date = force_date;
|
|
strbuf_addstr(author_ident, fmt_ident(name, email, date,
|
|
IDENT_ERROR_ON_NO_NAME));
|
|
}
|
|
|
|
static int ends_rfc2822_footer(struct strbuf *sb)
|
|
{
|
|
int ch;
|
|
int hit = 0;
|
|
int i, j, k;
|
|
int len = sb->len;
|
|
int first = 1;
|
|
const char *buf = sb->buf;
|
|
|
|
for (i = len - 1; i > 0; i--) {
|
|
if (hit && buf[i] == '\n')
|
|
break;
|
|
hit = (buf[i] == '\n');
|
|
}
|
|
|
|
while (i < len - 1 && buf[i] == '\n')
|
|
i++;
|
|
|
|
for (; i < len; i = k) {
|
|
for (k = i; k < len && buf[k] != '\n'; k++)
|
|
; /* do nothing */
|
|
k++;
|
|
|
|
if ((buf[k] == ' ' || buf[k] == '\t') && !first)
|
|
continue;
|
|
|
|
first = 0;
|
|
|
|
for (j = 0; i + j < len; j++) {
|
|
ch = buf[i + j];
|
|
if (ch == ':')
|
|
break;
|
|
if (isalnum(ch) ||
|
|
(ch == '-'))
|
|
continue;
|
|
return 0;
|
|
}
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
static char *cut_ident_timestamp_part(char *string)
|
|
{
|
|
char *ket = strrchr(string, '>');
|
|
if (!ket || ket[1] != ' ')
|
|
die(_("Malformed ident string: '%s'"), string);
|
|
*++ket = '\0';
|
|
return ket;
|
|
}
|
|
|
|
static int prepare_to_commit(const char *index_file, const char *prefix,
|
|
struct commit *current_head,
|
|
struct wt_status *s,
|
|
struct strbuf *author_ident)
|
|
{
|
|
struct stat statbuf;
|
|
struct strbuf committer_ident = STRBUF_INIT;
|
|
int commitable, saved_color_setting;
|
|
struct strbuf sb = STRBUF_INIT;
|
|
char *buffer;
|
|
const char *hook_arg1 = NULL;
|
|
const char *hook_arg2 = NULL;
|
|
int ident_shown = 0;
|
|
int clean_message_contents = (cleanup_mode != CLEANUP_NONE);
|
|
|
|
if (!no_verify && run_hook(index_file, "pre-commit", NULL))
|
|
return 0;
|
|
|
|
if (squash_message) {
|
|
/*
|
|
* Insert the proper subject line before other commit
|
|
* message options add their content.
|
|
*/
|
|
if (use_message && !strcmp(use_message, squash_message))
|
|
strbuf_addstr(&sb, "squash! ");
|
|
else {
|
|
struct pretty_print_context ctx = {0};
|
|
struct commit *c;
|
|
c = lookup_commit_reference_by_name(squash_message);
|
|
if (!c)
|
|
die(_("could not lookup commit %s"), squash_message);
|
|
ctx.output_encoding = get_commit_output_encoding();
|
|
format_commit_message(c, "squash! %s\n\n", &sb,
|
|
&ctx);
|
|
}
|
|
}
|
|
|
|
if (message.len) {
|
|
strbuf_addbuf(&sb, &message);
|
|
hook_arg1 = "message";
|
|
} else if (logfile && !strcmp(logfile, "-")) {
|
|
if (isatty(0))
|
|
fprintf(stderr, _("(reading log message from standard input)\n"));
|
|
if (strbuf_read(&sb, 0, 0) < 0)
|
|
die_errno(_("could not read log from standard input"));
|
|
hook_arg1 = "message";
|
|
} else if (logfile) {
|
|
if (strbuf_read_file(&sb, logfile, 0) < 0)
|
|
die_errno(_("could not read log file '%s'"),
|
|
logfile);
|
|
hook_arg1 = "message";
|
|
} else if (use_message) {
|
|
buffer = strstr(use_message_buffer, "\n\n");
|
|
if (!buffer || buffer[2] == '\0')
|
|
die(_("commit has empty message"));
|
|
strbuf_add(&sb, buffer + 2, strlen(buffer + 2));
|
|
hook_arg1 = "commit";
|
|
hook_arg2 = use_message;
|
|
} else if (fixup_message) {
|
|
struct pretty_print_context ctx = {0};
|
|
struct commit *commit;
|
|
commit = lookup_commit_reference_by_name(fixup_message);
|
|
if (!commit)
|
|
die(_("could not lookup commit %s"), fixup_message);
|
|
ctx.output_encoding = get_commit_output_encoding();
|
|
format_commit_message(commit, "fixup! %s\n\n",
|
|
&sb, &ctx);
|
|
hook_arg1 = "message";
|
|
} else if (!stat(git_path("MERGE_MSG"), &statbuf)) {
|
|
if (strbuf_read_file(&sb, git_path("MERGE_MSG"), 0) < 0)
|
|
die_errno(_("could not read MERGE_MSG"));
|
|
hook_arg1 = "merge";
|
|
} else if (!stat(git_path("SQUASH_MSG"), &statbuf)) {
|
|
if (strbuf_read_file(&sb, git_path("SQUASH_MSG"), 0) < 0)
|
|
die_errno(_("could not read SQUASH_MSG"));
|
|
hook_arg1 = "squash";
|
|
} else if (template_file) {
|
|
if (strbuf_read_file(&sb, template_file, 0) < 0)
|
|
die_errno(_("could not read '%s'"), template_file);
|
|
hook_arg1 = "template";
|
|
clean_message_contents = 0;
|
|
}
|
|
|
|
/*
|
|
* The remaining cases don't modify the template message, but
|
|
* just set the argument(s) to the prepare-commit-msg hook.
|
|
*/
|
|
else if (whence == FROM_MERGE)
|
|
hook_arg1 = "merge";
|
|
else if (whence == FROM_CHERRY_PICK) {
|
|
hook_arg1 = "commit";
|
|
hook_arg2 = "CHERRY_PICK_HEAD";
|
|
}
|
|
|
|
if (squash_message) {
|
|
/*
|
|
* If squash_commit was used for the commit subject,
|
|
* then we're possibly hijacking other commit log options.
|
|
* Reset the hook args to tell the real story.
|
|
*/
|
|
hook_arg1 = "message";
|
|
hook_arg2 = "";
|
|
}
|
|
|
|
s->fp = fopen(git_path(commit_editmsg), "w");
|
|
if (s->fp == NULL)
|
|
die_errno(_("could not open '%s'"), git_path(commit_editmsg));
|
|
|
|
if (clean_message_contents)
|
|
stripspace(&sb, 0);
|
|
|
|
if (signoff) {
|
|
struct strbuf sob = STRBUF_INIT;
|
|
int i;
|
|
|
|
strbuf_addstr(&sob, sign_off_header);
|
|
strbuf_addstr(&sob, fmt_name(getenv("GIT_COMMITTER_NAME"),
|
|
getenv("GIT_COMMITTER_EMAIL")));
|
|
strbuf_addch(&sob, '\n');
|
|
for (i = sb.len - 1; i > 0 && sb.buf[i - 1] != '\n'; i--)
|
|
; /* do nothing */
|
|
if (prefixcmp(sb.buf + i, sob.buf)) {
|
|
if (!i || !ends_rfc2822_footer(&sb))
|
|
strbuf_addch(&sb, '\n');
|
|
strbuf_addbuf(&sb, &sob);
|
|
}
|
|
strbuf_release(&sob);
|
|
}
|
|
|
|
if (fwrite(sb.buf, 1, sb.len, s->fp) < sb.len)
|
|
die_errno(_("could not write commit template"));
|
|
|
|
strbuf_release(&sb);
|
|
|
|
/* This checks and barfs if author is badly specified */
|
|
determine_author_info(author_ident);
|
|
|
|
/* This checks if committer ident is explicitly given */
|
|
strbuf_addstr(&committer_ident, git_committer_info(0));
|
|
if (use_editor && include_status) {
|
|
char *ai_tmp, *ci_tmp;
|
|
if (whence != FROM_COMMIT)
|
|
status_printf_ln(s, GIT_COLOR_NORMAL,
|
|
_("\n"
|
|
"It looks like you may be committing a %s.\n"
|
|
"If this is not correct, please remove the file\n"
|
|
" %s\n"
|
|
"and try again.\n"
|
|
""),
|
|
whence_s(),
|
|
git_path(whence == FROM_MERGE
|
|
? "MERGE_HEAD"
|
|
: "CHERRY_PICK_HEAD"));
|
|
|
|
fprintf(s->fp, "\n");
|
|
status_printf(s, GIT_COLOR_NORMAL,
|
|
_("Please enter the commit message for your changes."));
|
|
if (cleanup_mode == CLEANUP_ALL)
|
|
status_printf_more(s, GIT_COLOR_NORMAL,
|
|
_(" Lines starting\n"
|
|
"with '#' will be ignored, and an empty"
|
|
" message aborts the commit.\n"));
|
|
else /* CLEANUP_SPACE, that is. */
|
|
status_printf_more(s, GIT_COLOR_NORMAL,
|
|
_(" Lines starting\n"
|
|
"with '#' will be kept; you may remove them"
|
|
" yourself if you want to.\n"
|
|
"An empty message aborts the commit.\n"));
|
|
if (only_include_assumed)
|
|
status_printf_ln(s, GIT_COLOR_NORMAL,
|
|
"%s", only_include_assumed);
|
|
|
|
ai_tmp = cut_ident_timestamp_part(author_ident->buf);
|
|
ci_tmp = cut_ident_timestamp_part(committer_ident.buf);
|
|
if (strcmp(author_ident->buf, committer_ident.buf))
|
|
status_printf_ln(s, GIT_COLOR_NORMAL,
|
|
_("%s"
|
|
"Author: %s"),
|
|
ident_shown++ ? "" : "\n",
|
|
author_ident->buf);
|
|
|
|
if (!user_ident_sufficiently_given())
|
|
status_printf_ln(s, GIT_COLOR_NORMAL,
|
|
_("%s"
|
|
"Committer: %s"),
|
|
ident_shown++ ? "" : "\n",
|
|
committer_ident.buf);
|
|
|
|
if (ident_shown)
|
|
status_printf_ln(s, GIT_COLOR_NORMAL, "");
|
|
|
|
saved_color_setting = s->use_color;
|
|
s->use_color = 0;
|
|
commitable = run_status(s->fp, index_file, prefix, 1, s);
|
|
s->use_color = saved_color_setting;
|
|
|
|
*ai_tmp = ' ';
|
|
*ci_tmp = ' ';
|
|
} else {
|
|
unsigned char sha1[20];
|
|
const char *parent = "HEAD";
|
|
|
|
if (!active_nr && read_cache() < 0)
|
|
die(_("Cannot read index"));
|
|
|
|
if (amend)
|
|
parent = "HEAD^1";
|
|
|
|
if (get_sha1(parent, sha1))
|
|
commitable = !!active_nr;
|
|
else
|
|
commitable = index_differs_from(parent, 0);
|
|
}
|
|
strbuf_release(&committer_ident);
|
|
|
|
fclose(s->fp);
|
|
|
|
/*
|
|
* Reject an attempt to record a non-merge empty commit without
|
|
* explicit --allow-empty. In the cherry-pick case, it may be
|
|
* empty due to conflict resolution, which the user should okay.
|
|
*/
|
|
if (!commitable && whence != FROM_MERGE && !allow_empty &&
|
|
!(amend && is_a_merge(current_head))) {
|
|
run_status(stdout, index_file, prefix, 0, s);
|
|
if (amend)
|
|
fputs(_(empty_amend_advice), stderr);
|
|
else if (whence == FROM_CHERRY_PICK)
|
|
fputs(_(empty_cherry_pick_advice), stderr);
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Re-read the index as pre-commit hook could have updated it,
|
|
* and write it out as a tree. We must do this before we invoke
|
|
* the editor and after we invoke run_status above.
|
|
*/
|
|
discard_cache();
|
|
read_cache_from(index_file);
|
|
if (update_main_cache_tree(0)) {
|
|
error(_("Error building trees"));
|
|
return 0;
|
|
}
|
|
|
|
if (run_hook(index_file, "prepare-commit-msg",
|
|
git_path(commit_editmsg), hook_arg1, hook_arg2, NULL))
|
|
return 0;
|
|
|
|
if (use_editor) {
|
|
char index[PATH_MAX];
|
|
const char *env[2] = { NULL };
|
|
env[0] = index;
|
|
snprintf(index, sizeof(index), "GIT_INDEX_FILE=%s", index_file);
|
|
if (launch_editor(git_path(commit_editmsg), NULL, env)) {
|
|
fprintf(stderr,
|
|
_("Please supply the message using either -m or -F option.\n"));
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
if (!no_verify &&
|
|
run_hook(index_file, "commit-msg", git_path(commit_editmsg), NULL)) {
|
|
return 0;
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
/*
|
|
* Find out if the message in the strbuf contains only whitespace and
|
|
* Signed-off-by lines.
|
|
*/
|
|
static int message_is_empty(struct strbuf *sb)
|
|
{
|
|
struct strbuf tmpl = STRBUF_INIT;
|
|
const char *nl;
|
|
int eol, i, start = 0;
|
|
|
|
if (cleanup_mode == CLEANUP_NONE && sb->len)
|
|
return 0;
|
|
|
|
/* See if the template is just a prefix of the message. */
|
|
if (template_file && strbuf_read_file(&tmpl, template_file, 0) > 0) {
|
|
stripspace(&tmpl, cleanup_mode == CLEANUP_ALL);
|
|
if (start + tmpl.len <= sb->len &&
|
|
memcmp(tmpl.buf, sb->buf + start, tmpl.len) == 0)
|
|
start += tmpl.len;
|
|
}
|
|
strbuf_release(&tmpl);
|
|
|
|
/* Check if the rest is just whitespace and Signed-of-by's. */
|
|
for (i = start; i < sb->len; i++) {
|
|
nl = memchr(sb->buf + i, '\n', sb->len - i);
|
|
if (nl)
|
|
eol = nl - sb->buf;
|
|
else
|
|
eol = sb->len;
|
|
|
|
if (strlen(sign_off_header) <= eol - i &&
|
|
!prefixcmp(sb->buf + i, sign_off_header)) {
|
|
i = eol;
|
|
continue;
|
|
}
|
|
while (i < eol)
|
|
if (!isspace(sb->buf[i++]))
|
|
return 0;
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
static const char *find_author_by_nickname(const char *name)
|
|
{
|
|
struct rev_info revs;
|
|
struct commit *commit;
|
|
struct strbuf buf = STRBUF_INIT;
|
|
const char *av[20];
|
|
int ac = 0;
|
|
|
|
init_revisions(&revs, NULL);
|
|
strbuf_addf(&buf, "--author=%s", name);
|
|
av[++ac] = "--all";
|
|
av[++ac] = "-i";
|
|
av[++ac] = buf.buf;
|
|
av[++ac] = NULL;
|
|
setup_revisions(ac, av, &revs, NULL);
|
|
prepare_revision_walk(&revs);
|
|
commit = get_revision(&revs);
|
|
if (commit) {
|
|
struct pretty_print_context ctx = {0};
|
|
ctx.date_mode = DATE_NORMAL;
|
|
strbuf_release(&buf);
|
|
format_commit_message(commit, "%an <%ae>", &buf, &ctx);
|
|
return strbuf_detach(&buf, NULL);
|
|
}
|
|
die(_("No existing author found with '%s'"), name);
|
|
}
|
|
|
|
|
|
static void handle_untracked_files_arg(struct wt_status *s)
|
|
{
|
|
if (!untracked_files_arg)
|
|
; /* default already initialized */
|
|
else if (!strcmp(untracked_files_arg, "no"))
|
|
s->show_untracked_files = SHOW_NO_UNTRACKED_FILES;
|
|
else if (!strcmp(untracked_files_arg, "normal"))
|
|
s->show_untracked_files = SHOW_NORMAL_UNTRACKED_FILES;
|
|
else if (!strcmp(untracked_files_arg, "all"))
|
|
s->show_untracked_files = SHOW_ALL_UNTRACKED_FILES;
|
|
else
|
|
die(_("Invalid untracked files mode '%s'"), untracked_files_arg);
|
|
}
|
|
|
|
static const char *read_commit_message(const char *name)
|
|
{
|
|
const char *out_enc, *out;
|
|
struct commit *commit;
|
|
|
|
commit = lookup_commit_reference_by_name(name);
|
|
if (!commit)
|
|
die(_("could not lookup commit %s"), name);
|
|
out_enc = get_commit_output_encoding();
|
|
out = logmsg_reencode(commit, out_enc);
|
|
|
|
/*
|
|
* If we failed to reencode the buffer, just copy it
|
|
* byte for byte so the user can try to fix it up.
|
|
* This also handles the case where input and output
|
|
* encodings are identical.
|
|
*/
|
|
if (out == NULL)
|
|
out = xstrdup(commit->buffer);
|
|
return out;
|
|
}
|
|
|
|
static int parse_and_validate_options(int argc, const char *argv[],
|
|
const char * const usage[],
|
|
const char *prefix,
|
|
struct commit *current_head,
|
|
struct wt_status *s)
|
|
{
|
|
int f = 0;
|
|
|
|
argc = parse_options(argc, argv, prefix, builtin_commit_options, usage,
|
|
0);
|
|
|
|
if (force_author && !strchr(force_author, '>'))
|
|
force_author = find_author_by_nickname(force_author);
|
|
|
|
if (force_author && renew_authorship)
|
|
die(_("Using both --reset-author and --author does not make sense"));
|
|
|
|
if (logfile || message.len || use_message || fixup_message)
|
|
use_editor = 0;
|
|
if (0 <= edit_flag)
|
|
use_editor = edit_flag;
|
|
if (!use_editor)
|
|
setenv("GIT_EDITOR", ":", 1);
|
|
|
|
/* Sanity check options */
|
|
if (amend && !current_head)
|
|
die(_("You have nothing to amend."));
|
|
if (amend && whence != FROM_COMMIT)
|
|
die(_("You are in the middle of a %s -- cannot amend."), whence_s());
|
|
if (fixup_message && squash_message)
|
|
die(_("Options --squash and --fixup cannot be used together"));
|
|
if (use_message)
|
|
f++;
|
|
if (edit_message)
|
|
f++;
|
|
if (fixup_message)
|
|
f++;
|
|
if (logfile)
|
|
f++;
|
|
if (f > 1)
|
|
die(_("Only one of -c/-C/-F/--fixup can be used."));
|
|
if (message.len && f > 0)
|
|
die((_("Option -m cannot be combined with -c/-C/-F/--fixup.")));
|
|
if (edit_message)
|
|
use_message = edit_message;
|
|
if (amend && !use_message && !fixup_message)
|
|
use_message = "HEAD";
|
|
if (!use_message && whence != FROM_CHERRY_PICK && renew_authorship)
|
|
die(_("--reset-author can be used only with -C, -c or --amend."));
|
|
if (use_message) {
|
|
use_message_buffer = read_commit_message(use_message);
|
|
if (!renew_authorship) {
|
|
author_message = use_message;
|
|
author_message_buffer = use_message_buffer;
|
|
}
|
|
}
|
|
if (whence == FROM_CHERRY_PICK && !renew_authorship) {
|
|
author_message = "CHERRY_PICK_HEAD";
|
|
author_message_buffer = read_commit_message(author_message);
|
|
}
|
|
|
|
if (patch_interactive)
|
|
interactive = 1;
|
|
|
|
if (!!also + !!only + !!all + !!interactive > 1)
|
|
die(_("Only one of --include/--only/--all/--interactive/--patch can be used."));
|
|
if (argc == 0 && (also || (only && !amend)))
|
|
die(_("No paths with --include/--only does not make sense."));
|
|
if (argc == 0 && only && amend)
|
|
only_include_assumed = _("Clever... amending the last one with dirty index.");
|
|
if (argc > 0 && !also && !only)
|
|
only_include_assumed = _("Explicit paths specified without -i nor -o; assuming --only paths...");
|
|
if (!cleanup_arg || !strcmp(cleanup_arg, "default"))
|
|
cleanup_mode = use_editor ? CLEANUP_ALL : CLEANUP_SPACE;
|
|
else if (!strcmp(cleanup_arg, "verbatim"))
|
|
cleanup_mode = CLEANUP_NONE;
|
|
else if (!strcmp(cleanup_arg, "whitespace"))
|
|
cleanup_mode = CLEANUP_SPACE;
|
|
else if (!strcmp(cleanup_arg, "strip"))
|
|
cleanup_mode = CLEANUP_ALL;
|
|
else
|
|
die(_("Invalid cleanup mode %s"), cleanup_arg);
|
|
|
|
handle_untracked_files_arg(s);
|
|
|
|
if (all && argc > 0)
|
|
die(_("Paths with -a does not make sense."));
|
|
|
|
if (null_termination && status_format == STATUS_FORMAT_LONG)
|
|
status_format = STATUS_FORMAT_PORCELAIN;
|
|
if (status_format != STATUS_FORMAT_LONG)
|
|
dry_run = 1;
|
|
|
|
return argc;
|
|
}
|
|
|
|
static int dry_run_commit(int argc, const char **argv, const char *prefix,
|
|
const struct commit *current_head, struct wt_status *s)
|
|
{
|
|
int commitable;
|
|
const char *index_file;
|
|
|
|
index_file = prepare_index(argc, argv, prefix, current_head, 1);
|
|
commitable = run_status(stdout, index_file, prefix, 0, s);
|
|
rollback_index_files();
|
|
|
|
return commitable ? 0 : 1;
|
|
}
|
|
|
|
static int parse_status_slot(const char *var, int offset)
|
|
{
|
|
if (!strcasecmp(var+offset, "header"))
|
|
return WT_STATUS_HEADER;
|
|
if (!strcasecmp(var+offset, "branch"))
|
|
return WT_STATUS_ONBRANCH;
|
|
if (!strcasecmp(var+offset, "updated")
|
|
|| !strcasecmp(var+offset, "added"))
|
|
return WT_STATUS_UPDATED;
|
|
if (!strcasecmp(var+offset, "changed"))
|
|
return WT_STATUS_CHANGED;
|
|
if (!strcasecmp(var+offset, "untracked"))
|
|
return WT_STATUS_UNTRACKED;
|
|
if (!strcasecmp(var+offset, "nobranch"))
|
|
return WT_STATUS_NOBRANCH;
|
|
if (!strcasecmp(var+offset, "unmerged"))
|
|
return WT_STATUS_UNMERGED;
|
|
return -1;
|
|
}
|
|
|
|
static int git_status_config(const char *k, const char *v, void *cb)
|
|
{
|
|
struct wt_status *s = cb;
|
|
|
|
if (!strcmp(k, "status.submodulesummary")) {
|
|
int is_bool;
|
|
s->submodule_summary = git_config_bool_or_int(k, v, &is_bool);
|
|
if (is_bool && s->submodule_summary)
|
|
s->submodule_summary = -1;
|
|
return 0;
|
|
}
|
|
if (!strcmp(k, "status.color") || !strcmp(k, "color.status")) {
|
|
s->use_color = git_config_colorbool(k, v);
|
|
return 0;
|
|
}
|
|
if (!prefixcmp(k, "status.color.") || !prefixcmp(k, "color.status.")) {
|
|
int slot = parse_status_slot(k, 13);
|
|
if (slot < 0)
|
|
return 0;
|
|
if (!v)
|
|
return config_error_nonbool(k);
|
|
color_parse(v, k, s->color_palette[slot]);
|
|
return 0;
|
|
}
|
|
if (!strcmp(k, "status.relativepaths")) {
|
|
s->relative_paths = git_config_bool(k, v);
|
|
return 0;
|
|
}
|
|
if (!strcmp(k, "status.showuntrackedfiles")) {
|
|
if (!v)
|
|
return config_error_nonbool(k);
|
|
else if (!strcmp(v, "no"))
|
|
s->show_untracked_files = SHOW_NO_UNTRACKED_FILES;
|
|
else if (!strcmp(v, "normal"))
|
|
s->show_untracked_files = SHOW_NORMAL_UNTRACKED_FILES;
|
|
else if (!strcmp(v, "all"))
|
|
s->show_untracked_files = SHOW_ALL_UNTRACKED_FILES;
|
|
else
|
|
return error(_("Invalid untracked files mode '%s'"), v);
|
|
return 0;
|
|
}
|
|
return git_diff_ui_config(k, v, NULL);
|
|
}
|
|
|
|
int cmd_status(int argc, const char **argv, const char *prefix)
|
|
{
|
|
struct wt_status s;
|
|
int fd;
|
|
unsigned char sha1[20];
|
|
static struct option builtin_status_options[] = {
|
|
OPT__VERBOSE(&verbose, "be verbose"),
|
|
OPT_SET_INT('s', "short", &status_format,
|
|
"show status concisely", STATUS_FORMAT_SHORT),
|
|
OPT_BOOLEAN('b', "branch", &status_show_branch,
|
|
"show branch information"),
|
|
OPT_SET_INT(0, "porcelain", &status_format,
|
|
"machine-readable output",
|
|
STATUS_FORMAT_PORCELAIN),
|
|
OPT_BOOLEAN('z', "null", &null_termination,
|
|
"terminate entries with NUL"),
|
|
{ OPTION_STRING, 'u', "untracked-files", &untracked_files_arg,
|
|
"mode",
|
|
"show untracked files, optional modes: all, normal, no. (Default: all)",
|
|
PARSE_OPT_OPTARG, NULL, (intptr_t)"all" },
|
|
OPT_BOOLEAN(0, "ignored", &show_ignored_in_status,
|
|
"show ignored files"),
|
|
{ OPTION_STRING, 0, "ignore-submodules", &ignore_submodule_arg, "when",
|
|
"ignore changes to submodules, optional when: all, dirty, untracked. (Default: all)",
|
|
PARSE_OPT_OPTARG, NULL, (intptr_t)"all" },
|
|
OPT_END(),
|
|
};
|
|
|
|
if (argc == 2 && !strcmp(argv[1], "-h"))
|
|
usage_with_options(builtin_status_usage, builtin_status_options);
|
|
|
|
wt_status_prepare(&s);
|
|
gitmodules_config();
|
|
git_config(git_status_config, &s);
|
|
determine_whence(&s);
|
|
argc = parse_options(argc, argv, prefix,
|
|
builtin_status_options,
|
|
builtin_status_usage, 0);
|
|
|
|
if (null_termination && status_format == STATUS_FORMAT_LONG)
|
|
status_format = STATUS_FORMAT_PORCELAIN;
|
|
|
|
handle_untracked_files_arg(&s);
|
|
if (show_ignored_in_status)
|
|
s.show_ignored_files = 1;
|
|
if (*argv)
|
|
s.pathspec = get_pathspec(prefix, argv);
|
|
|
|
read_cache_preload(s.pathspec);
|
|
refresh_index(&the_index, REFRESH_QUIET|REFRESH_UNMERGED, s.pathspec, NULL, NULL);
|
|
|
|
fd = hold_locked_index(&index_lock, 0);
|
|
if (0 <= fd)
|
|
update_index_if_able(&the_index, &index_lock);
|
|
|
|
s.is_initial = get_sha1(s.reference, sha1) ? 1 : 0;
|
|
s.ignore_submodule_arg = ignore_submodule_arg;
|
|
wt_status_collect(&s);
|
|
|
|
if (s.relative_paths)
|
|
s.prefix = prefix;
|
|
|
|
switch (status_format) {
|
|
case STATUS_FORMAT_SHORT:
|
|
wt_shortstatus_print(&s, null_termination, status_show_branch);
|
|
break;
|
|
case STATUS_FORMAT_PORCELAIN:
|
|
wt_porcelain_print(&s, null_termination);
|
|
break;
|
|
case STATUS_FORMAT_LONG:
|
|
s.verbose = verbose;
|
|
s.ignore_submodule_arg = ignore_submodule_arg;
|
|
wt_status_print(&s);
|
|
break;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static void print_summary(const char *prefix, const unsigned char *sha1,
|
|
int initial_commit)
|
|
{
|
|
struct rev_info rev;
|
|
struct commit *commit;
|
|
struct strbuf format = STRBUF_INIT;
|
|
unsigned char junk_sha1[20];
|
|
const char *head;
|
|
struct pretty_print_context pctx = {0};
|
|
struct strbuf author_ident = STRBUF_INIT;
|
|
struct strbuf committer_ident = STRBUF_INIT;
|
|
|
|
commit = lookup_commit(sha1);
|
|
if (!commit)
|
|
die(_("couldn't look up newly created commit"));
|
|
if (!commit || parse_commit(commit))
|
|
die(_("could not parse newly created commit"));
|
|
|
|
strbuf_addstr(&format, "format:%h] %s");
|
|
|
|
format_commit_message(commit, "%an <%ae>", &author_ident, &pctx);
|
|
format_commit_message(commit, "%cn <%ce>", &committer_ident, &pctx);
|
|
if (strbuf_cmp(&author_ident, &committer_ident)) {
|
|
strbuf_addstr(&format, "\n Author: ");
|
|
strbuf_addbuf_percentquote(&format, &author_ident);
|
|
}
|
|
if (!user_ident_sufficiently_given()) {
|
|
strbuf_addstr(&format, "\n Committer: ");
|
|
strbuf_addbuf_percentquote(&format, &committer_ident);
|
|
if (advice_implicit_identity) {
|
|
strbuf_addch(&format, '\n');
|
|
strbuf_addstr(&format, _(implicit_ident_advice));
|
|
}
|
|
}
|
|
strbuf_release(&author_ident);
|
|
strbuf_release(&committer_ident);
|
|
|
|
init_revisions(&rev, prefix);
|
|
setup_revisions(0, NULL, &rev, NULL);
|
|
|
|
rev.diff = 1;
|
|
rev.diffopt.output_format =
|
|
DIFF_FORMAT_SHORTSTAT | DIFF_FORMAT_SUMMARY;
|
|
|
|
rev.verbose_header = 1;
|
|
rev.show_root_diff = 1;
|
|
get_commit_format(format.buf, &rev);
|
|
rev.always_show_header = 0;
|
|
rev.diffopt.detect_rename = 1;
|
|
rev.diffopt.break_opt = 0;
|
|
diff_setup_done(&rev.diffopt);
|
|
|
|
head = resolve_ref_unsafe("HEAD", junk_sha1, 0, NULL);
|
|
printf("[%s%s ",
|
|
!prefixcmp(head, "refs/heads/") ?
|
|
head + 11 :
|
|
!strcmp(head, "HEAD") ?
|
|
_("detached HEAD") :
|
|
head,
|
|
initial_commit ? _(" (root-commit)") : "");
|
|
|
|
if (!log_tree_commit(&rev, commit)) {
|
|
rev.always_show_header = 1;
|
|
rev.use_terminator = 1;
|
|
log_tree_commit(&rev, commit);
|
|
}
|
|
|
|
strbuf_release(&format);
|
|
}
|
|
|
|
static int git_commit_config(const char *k, const char *v, void *cb)
|
|
{
|
|
struct wt_status *s = cb;
|
|
int status;
|
|
|
|
if (!strcmp(k, "commit.template"))
|
|
return git_config_pathname(&template_file, k, v);
|
|
if (!strcmp(k, "commit.status")) {
|
|
include_status = git_config_bool(k, v);
|
|
return 0;
|
|
}
|
|
|
|
status = git_gpg_config(k, v, NULL);
|
|
if (status)
|
|
return status;
|
|
return git_status_config(k, v, s);
|
|
}
|
|
|
|
static const char post_rewrite_hook[] = "hooks/post-rewrite";
|
|
|
|
static int run_rewrite_hook(const unsigned char *oldsha1,
|
|
const unsigned char *newsha1)
|
|
{
|
|
/* oldsha1 SP newsha1 LF NUL */
|
|
static char buf[2*40 + 3];
|
|
struct child_process proc;
|
|
const char *argv[3];
|
|
int code;
|
|
size_t n;
|
|
|
|
if (access(git_path(post_rewrite_hook), X_OK) < 0)
|
|
return 0;
|
|
|
|
argv[0] = git_path(post_rewrite_hook);
|
|
argv[1] = "amend";
|
|
argv[2] = NULL;
|
|
|
|
memset(&proc, 0, sizeof(proc));
|
|
proc.argv = argv;
|
|
proc.in = -1;
|
|
proc.stdout_to_stderr = 1;
|
|
|
|
code = start_command(&proc);
|
|
if (code)
|
|
return code;
|
|
n = snprintf(buf, sizeof(buf), "%s %s\n",
|
|
sha1_to_hex(oldsha1), sha1_to_hex(newsha1));
|
|
write_in_full(proc.in, buf, n);
|
|
close(proc.in);
|
|
return finish_command(&proc);
|
|
}
|
|
|
|
int cmd_commit(int argc, const char **argv, const char *prefix)
|
|
{
|
|
struct strbuf sb = STRBUF_INIT;
|
|
struct strbuf author_ident = STRBUF_INIT;
|
|
const char *index_file, *reflog_msg;
|
|
char *nl, *p;
|
|
unsigned char sha1[20];
|
|
struct ref_lock *ref_lock;
|
|
struct commit_list *parents = NULL, **pptr = &parents;
|
|
struct stat statbuf;
|
|
int allow_fast_forward = 1;
|
|
struct wt_status s;
|
|
struct commit *current_head = NULL;
|
|
struct commit_extra_header *extra = NULL;
|
|
|
|
if (argc == 2 && !strcmp(argv[1], "-h"))
|
|
usage_with_options(builtin_commit_usage, builtin_commit_options);
|
|
|
|
wt_status_prepare(&s);
|
|
git_config(git_commit_config, &s);
|
|
determine_whence(&s);
|
|
|
|
if (get_sha1("HEAD", sha1))
|
|
current_head = NULL;
|
|
else {
|
|
current_head = lookup_commit_or_die(sha1, "HEAD");
|
|
if (!current_head || parse_commit(current_head))
|
|
die(_("could not parse HEAD commit"));
|
|
}
|
|
argc = parse_and_validate_options(argc, argv, builtin_commit_usage,
|
|
prefix, current_head, &s);
|
|
if (dry_run)
|
|
return dry_run_commit(argc, argv, prefix, current_head, &s);
|
|
index_file = prepare_index(argc, argv, prefix, current_head, 0);
|
|
|
|
/* Set up everything for writing the commit object. This includes
|
|
running hooks, writing the trees, and interacting with the user. */
|
|
if (!prepare_to_commit(index_file, prefix,
|
|
current_head, &s, &author_ident)) {
|
|
rollback_index_files();
|
|
return 1;
|
|
}
|
|
|
|
/* Determine parents */
|
|
reflog_msg = getenv("GIT_REFLOG_ACTION");
|
|
if (!current_head) {
|
|
if (!reflog_msg)
|
|
reflog_msg = "commit (initial)";
|
|
} else if (amend) {
|
|
struct commit_list *c;
|
|
|
|
if (!reflog_msg)
|
|
reflog_msg = "commit (amend)";
|
|
for (c = current_head->parents; c; c = c->next)
|
|
pptr = &commit_list_insert(c->item, pptr)->next;
|
|
} else if (whence == FROM_MERGE) {
|
|
struct strbuf m = STRBUF_INIT;
|
|
FILE *fp;
|
|
|
|
if (!reflog_msg)
|
|
reflog_msg = "commit (merge)";
|
|
pptr = &commit_list_insert(current_head, pptr)->next;
|
|
fp = fopen(git_path("MERGE_HEAD"), "r");
|
|
if (fp == NULL)
|
|
die_errno(_("could not open '%s' for reading"),
|
|
git_path("MERGE_HEAD"));
|
|
while (strbuf_getline(&m, fp, '\n') != EOF) {
|
|
struct commit *parent;
|
|
|
|
parent = get_merge_parent(m.buf);
|
|
if (!parent)
|
|
die(_("Corrupt MERGE_HEAD file (%s)"), m.buf);
|
|
pptr = &commit_list_insert(parent, pptr)->next;
|
|
}
|
|
fclose(fp);
|
|
strbuf_release(&m);
|
|
if (!stat(git_path("MERGE_MODE"), &statbuf)) {
|
|
if (strbuf_read_file(&sb, git_path("MERGE_MODE"), 0) < 0)
|
|
die_errno(_("could not read MERGE_MODE"));
|
|
if (!strcmp(sb.buf, "no-ff"))
|
|
allow_fast_forward = 0;
|
|
}
|
|
if (allow_fast_forward)
|
|
parents = reduce_heads(parents);
|
|
} else {
|
|
if (!reflog_msg)
|
|
reflog_msg = (whence == FROM_CHERRY_PICK)
|
|
? "commit (cherry-pick)"
|
|
: "commit";
|
|
pptr = &commit_list_insert(current_head, pptr)->next;
|
|
}
|
|
|
|
/* Finally, get the commit message */
|
|
strbuf_reset(&sb);
|
|
if (strbuf_read_file(&sb, git_path(commit_editmsg), 0) < 0) {
|
|
int saved_errno = errno;
|
|
rollback_index_files();
|
|
die(_("could not read commit message: %s"), strerror(saved_errno));
|
|
}
|
|
|
|
/* Truncate the message just before the diff, if any. */
|
|
if (verbose) {
|
|
p = strstr(sb.buf, "\ndiff --git ");
|
|
if (p != NULL)
|
|
strbuf_setlen(&sb, p - sb.buf + 1);
|
|
}
|
|
|
|
if (cleanup_mode != CLEANUP_NONE)
|
|
stripspace(&sb, cleanup_mode == CLEANUP_ALL);
|
|
if (message_is_empty(&sb) && !allow_empty_message) {
|
|
rollback_index_files();
|
|
fprintf(stderr, _("Aborting commit due to empty commit message.\n"));
|
|
exit(1);
|
|
}
|
|
|
|
if (amend) {
|
|
const char *exclude_gpgsig[2] = { "gpgsig", NULL };
|
|
extra = read_commit_extra_headers(current_head, exclude_gpgsig);
|
|
} else {
|
|
struct commit_extra_header **tail = &extra;
|
|
append_merge_tag_headers(parents, &tail);
|
|
}
|
|
|
|
if (commit_tree_extended(&sb, active_cache_tree->sha1, parents, sha1,
|
|
author_ident.buf, sign_commit, extra)) {
|
|
rollback_index_files();
|
|
die(_("failed to write commit object"));
|
|
}
|
|
strbuf_release(&author_ident);
|
|
free_commit_extra_headers(extra);
|
|
|
|
ref_lock = lock_any_ref_for_update("HEAD",
|
|
!current_head
|
|
? NULL
|
|
: current_head->object.sha1,
|
|
0);
|
|
|
|
nl = strchr(sb.buf, '\n');
|
|
if (nl)
|
|
strbuf_setlen(&sb, nl + 1 - sb.buf);
|
|
else
|
|
strbuf_addch(&sb, '\n');
|
|
strbuf_insert(&sb, 0, reflog_msg, strlen(reflog_msg));
|
|
strbuf_insert(&sb, strlen(reflog_msg), ": ", 2);
|
|
|
|
if (!ref_lock) {
|
|
rollback_index_files();
|
|
die(_("cannot lock HEAD ref"));
|
|
}
|
|
if (write_ref_sha1(ref_lock, sha1, sb.buf) < 0) {
|
|
rollback_index_files();
|
|
die(_("cannot update HEAD ref"));
|
|
}
|
|
|
|
unlink(git_path("CHERRY_PICK_HEAD"));
|
|
unlink(git_path("REVERT_HEAD"));
|
|
unlink(git_path("MERGE_HEAD"));
|
|
unlink(git_path("MERGE_MSG"));
|
|
unlink(git_path("MERGE_MODE"));
|
|
unlink(git_path("SQUASH_MSG"));
|
|
|
|
if (commit_index_files())
|
|
die (_("Repository has been updated, but unable to write\n"
|
|
"new_index file. Check that disk is not full or quota is\n"
|
|
"not exceeded, and then \"git reset HEAD\" to recover."));
|
|
|
|
rerere(0);
|
|
run_hook(get_index_file(), "post-commit", NULL);
|
|
if (amend && !no_post_rewrite) {
|
|
struct notes_rewrite_cfg *cfg;
|
|
cfg = init_copy_notes_for_rewrite("amend");
|
|
if (cfg) {
|
|
/* we are amending, so current_head is not NULL */
|
|
copy_note_for_rewrite(cfg, current_head->object.sha1, sha1);
|
|
finish_copy_notes_for_rewrite(cfg);
|
|
}
|
|
run_rewrite_hook(current_head->object.sha1, sha1);
|
|
}
|
|
if (!quiet)
|
|
print_summary(prefix, sha1, !current_head);
|
|
|
|
return 0;
|
|
}
|