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![Junio C Hamano](/assets/img/avatar_default.png)
* nd/status-partial-refresh: rm: only refresh entries that we may touch status: only touch path we may need to check
1311 lines
36 KiB
C
1311 lines
36 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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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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"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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"If the identity used for this commit is wrong, you can fix it with:\n"
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"\n"
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" git commit --amend --author='Your Name <you@example.com>'\n";
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static unsigned char head_sha1[20];
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static 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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static char *edit_message, *use_message;
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static char *author_name, *author_email, *author_date;
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static int all, edit_flag, also, interactive, only, amend, signoff;
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static int quiet, verbose, no_verify, allow_empty, dry_run, renew_authorship;
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static char *untracked_files_arg, *force_date;
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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 int use_editor = 1, initial_commit, in_merge, include_status = 1;
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static const char *only_include_assumed;
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static struct strbuf message;
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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 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),
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OPT__VERBOSE(&verbose),
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OPT_GROUP("Commit message options"),
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OPT_FILENAME('F', "file", &logfile, "read log 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", "specify 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_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_BOOLEAN('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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/* 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('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_SET_INT(0, "porcelain", &status_format,
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"show porcelain output format", 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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{ 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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OPT_BOOLEAN(0, "allow-empty", &allow_empty, "ok to record an empty change"),
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/* end commit contents options */
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OPT_END()
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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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overlay_tree_on_cache(with_tree, prefix);
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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(ce->name, list);
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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 ? strlen(prefix) : 0);
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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(void)
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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 (initial_commit) {
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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(head_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, 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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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 (interactive) {
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if (interactive_add(argc, argv, prefix) != 0)
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die("interactive add failed");
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if (read_cache_preload(NULL) < 0)
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die("index file corrupt");
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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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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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/*
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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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int 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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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, and run
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* hooks on the real index, 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 (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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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 (in_merge)
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die("cannot do a partial commit during a merge.");
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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, initial_commit ? 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();
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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(&false_lock))
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die("unable to write temporary index file");
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discard_cache();
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read_cache_from(false_lock.filename);
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return false_lock.filename;
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}
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static int run_status(FILE *fp, const char *index_file, const char *prefix, int nowarn,
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struct wt_status *s)
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{
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unsigned char sha1[20];
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if (s->relative_paths)
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s->prefix = prefix;
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if (amend) {
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s->amend = 1;
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s->reference = "HEAD^1";
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}
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s->verbose = verbose;
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s->index_file = index_file;
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s->fp = fp;
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s->nowarn = nowarn;
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s->is_initial = get_sha1(s->reference, sha1) ? 1 : 0;
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wt_status_collect(s);
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switch (status_format) {
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case STATUS_FORMAT_SHORT:
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wt_shortstatus_print(s, null_termination);
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break;
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case STATUS_FORMAT_PORCELAIN:
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wt_porcelain_print(s, null_termination);
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break;
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case STATUS_FORMAT_LONG:
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wt_status_print(s);
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break;
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}
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return s->commitable;
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}
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static int is_a_merge(const unsigned char *sha1)
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{
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struct commit *commit = lookup_commit(sha1);
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if (!commit || parse_commit(commit))
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die("could not parse HEAD commit");
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return !!(commit->parents && commit->parents->next);
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}
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static const char sign_off_header[] = "Signed-off-by: ";
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|
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static void determine_author_info(void)
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{
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char *name, *email, *date;
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name = getenv("GIT_AUTHOR_NAME");
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email = getenv("GIT_AUTHOR_EMAIL");
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date = getenv("GIT_AUTHOR_DATE");
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if (use_message && !renew_authorship) {
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const char *a, *lb, *rb, *eol;
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a = strstr(use_message_buffer, "\nauthor ");
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if (!a)
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die("invalid commit: %s", use_message);
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lb = strstr(a + 8, " <");
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rb = strstr(a + 8, "> ");
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eol = strchr(a + 8, '\n');
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if (!lb || !rb || !eol)
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die("invalid commit: %s", use_message);
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name = xstrndup(a + 8, lb - (a + 8));
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email = xstrndup(lb + 2, rb - (lb + 2));
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date = xstrndup(rb + 2, eol - (rb + 2));
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}
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if (force_author) {
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const char *lb = strstr(force_author, " <");
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const char *rb = strchr(force_author, '>');
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if (!lb || !rb)
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die("malformed --author parameter");
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name = xstrndup(force_author, lb - force_author);
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email = xstrndup(lb + 2, rb - (lb + 2));
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}
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if (force_date)
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date = force_date;
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author_name = name;
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author_email = email;
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author_date = date;
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}
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|
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static int ends_rfc2822_footer(struct strbuf *sb)
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|
{
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int ch;
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|
int hit = 0;
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int i, j, k;
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int len = sb->len;
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int first = 1;
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const char *buf = sb->buf;
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|
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for (i = len - 1; i > 0; i--) {
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if (hit && buf[i] == '\n')
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break;
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hit = (buf[i] == '\n');
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}
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|
|
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 int prepare_to_commit(const char *index_file, const char *prefix,
|
|
struct wt_status *s)
|
|
{
|
|
struct stat statbuf;
|
|
int commitable, saved_color_setting;
|
|
struct strbuf sb = STRBUF_INIT;
|
|
char *buffer;
|
|
FILE *fp;
|
|
const char *hook_arg1 = NULL;
|
|
const char *hook_arg2 = NULL;
|
|
int ident_shown = 0;
|
|
|
|
if (!no_verify && run_hook(index_file, "pre-commit", NULL))
|
|
return 0;
|
|
|
|
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 (!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 && !stat(template_file, &statbuf)) {
|
|
if (strbuf_read_file(&sb, template_file, 0) < 0)
|
|
die_errno("could not read '%s'", template_file);
|
|
hook_arg1 = "template";
|
|
}
|
|
|
|
/*
|
|
* This final case does not modify the template message,
|
|
* it just sets the argument to the prepare-commit-msg hook.
|
|
*/
|
|
else if (in_merge)
|
|
hook_arg1 = "merge";
|
|
|
|
fp = fopen(git_path(commit_editmsg), "w");
|
|
if (fp == NULL)
|
|
die_errno("could not open '%s'", git_path(commit_editmsg));
|
|
|
|
if (cleanup_mode != CLEANUP_NONE)
|
|
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, fp) < sb.len)
|
|
die_errno("could not write commit template");
|
|
|
|
strbuf_release(&sb);
|
|
|
|
determine_author_info();
|
|
|
|
/* This checks if committer ident is explicitly given */
|
|
git_committer_info(0);
|
|
if (use_editor && include_status) {
|
|
char *author_ident;
|
|
const char *committer_ident;
|
|
|
|
if (in_merge)
|
|
fprintf(fp,
|
|
"#\n"
|
|
"# It looks like you may be committing a MERGE.\n"
|
|
"# If this is not correct, please remove the file\n"
|
|
"# %s\n"
|
|
"# and try again.\n"
|
|
"#\n",
|
|
git_path("MERGE_HEAD"));
|
|
|
|
fprintf(fp,
|
|
"\n"
|
|
"# Please enter the commit message for your changes.");
|
|
if (cleanup_mode == CLEANUP_ALL)
|
|
fprintf(fp,
|
|
" Lines starting\n"
|
|
"# with '#' will be ignored, and an empty"
|
|
" message aborts the commit.\n");
|
|
else /* CLEANUP_SPACE, that is. */
|
|
fprintf(fp,
|
|
" 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)
|
|
fprintf(fp, "# %s\n", only_include_assumed);
|
|
|
|
author_ident = xstrdup(fmt_name(author_name, author_email));
|
|
committer_ident = fmt_name(getenv("GIT_COMMITTER_NAME"),
|
|
getenv("GIT_COMMITTER_EMAIL"));
|
|
if (strcmp(author_ident, committer_ident))
|
|
fprintf(fp,
|
|
"%s"
|
|
"# Author: %s\n",
|
|
ident_shown++ ? "" : "#\n",
|
|
author_ident);
|
|
free(author_ident);
|
|
|
|
if (!user_ident_sufficiently_given())
|
|
fprintf(fp,
|
|
"%s"
|
|
"# Committer: %s\n",
|
|
ident_shown++ ? "" : "#\n",
|
|
committer_ident);
|
|
|
|
if (ident_shown)
|
|
fprintf(fp, "#\n");
|
|
|
|
saved_color_setting = s->use_color;
|
|
s->use_color = 0;
|
|
commitable = run_status(fp, index_file, prefix, 1, s);
|
|
s->use_color = saved_color_setting;
|
|
} 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);
|
|
}
|
|
|
|
fclose(fp);
|
|
|
|
if (!commitable && !in_merge && !allow_empty &&
|
|
!(amend && is_a_merge(head_sha1))) {
|
|
run_status(stdout, index_file, prefix, 0, s);
|
|
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 (!active_cache_tree)
|
|
active_cache_tree = cache_tree();
|
|
if (cache_tree_update(active_cache_tree,
|
|
active_cache, active_nr, 0, 0) < 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] = { index, NULL };
|
|
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 int parse_and_validate_options(int argc, const char *argv[],
|
|
const char * const usage[],
|
|
const char *prefix,
|
|
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)
|
|
use_editor = 0;
|
|
if (edit_flag)
|
|
use_editor = 1;
|
|
if (!use_editor)
|
|
setenv("GIT_EDITOR", ":", 1);
|
|
|
|
if (get_sha1("HEAD", head_sha1))
|
|
initial_commit = 1;
|
|
|
|
/* Sanity check options */
|
|
if (amend && initial_commit)
|
|
die("You have nothing to amend.");
|
|
if (amend && in_merge)
|
|
die("You are in the middle of a merge -- cannot amend.");
|
|
|
|
if (use_message)
|
|
f++;
|
|
if (edit_message)
|
|
f++;
|
|
if (logfile)
|
|
f++;
|
|
if (f > 1)
|
|
die("Only one of -c/-C/-F can be used.");
|
|
if (message.len && f > 0)
|
|
die("Option -m cannot be combined with -c/-C/-F.");
|
|
if (edit_message)
|
|
use_message = edit_message;
|
|
if (amend && !use_message)
|
|
use_message = "HEAD";
|
|
if (!use_message && renew_authorship)
|
|
die("--reset-author can be used only with -C, -c or --amend.");
|
|
if (use_message) {
|
|
unsigned char sha1[20];
|
|
static char utf8[] = "UTF-8";
|
|
const char *out_enc;
|
|
char *enc, *end;
|
|
struct commit *commit;
|
|
|
|
if (get_sha1(use_message, sha1))
|
|
die("could not lookup commit %s", use_message);
|
|
commit = lookup_commit_reference(sha1);
|
|
if (!commit || parse_commit(commit))
|
|
die("could not parse commit %s", use_message);
|
|
|
|
enc = strstr(commit->buffer, "\nencoding");
|
|
if (enc) {
|
|
end = strchr(enc + 10, '\n');
|
|
enc = xstrndup(enc + 10, end - (enc + 10));
|
|
} else {
|
|
enc = utf8;
|
|
}
|
|
out_enc = git_commit_encoding ? git_commit_encoding : utf8;
|
|
|
|
if (strcmp(out_enc, enc))
|
|
use_message_buffer =
|
|
reencode_string(commit->buffer, out_enc, 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 (use_message_buffer == NULL)
|
|
use_message_buffer = xstrdup(commit->buffer);
|
|
if (enc != utf8)
|
|
free(enc);
|
|
}
|
|
|
|
if (!!also + !!only + !!all + !!interactive > 1)
|
|
die("Only one of --include/--only/--all/--interactive 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.");
|
|
else if (interactive && argc > 0)
|
|
die("Paths with --interactive 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,
|
|
struct wt_status *s)
|
|
{
|
|
int commitable;
|
|
const char *index_file;
|
|
|
|
index_file = prepare_index(argc, argv, prefix, 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, "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, -1);
|
|
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;
|
|
unsigned char sha1[20];
|
|
static struct option builtin_status_options[] = {
|
|
OPT__VERBOSE(&verbose),
|
|
OPT_SET_INT('s', "short", &status_format,
|
|
"show status concisely", STATUS_FORMAT_SHORT),
|
|
OPT_SET_INT(0, "porcelain", &status_format,
|
|
"show porcelain output format",
|
|
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_END(),
|
|
};
|
|
|
|
if (null_termination && status_format == STATUS_FORMAT_LONG)
|
|
status_format = STATUS_FORMAT_PORCELAIN;
|
|
|
|
wt_status_prepare(&s);
|
|
git_config(git_status_config, &s);
|
|
in_merge = file_exists(git_path("MERGE_HEAD"));
|
|
argc = parse_options(argc, argv, prefix,
|
|
builtin_status_options,
|
|
builtin_status_usage, 0);
|
|
handle_untracked_files_arg(&s);
|
|
|
|
if (*argv)
|
|
s.pathspec = get_pathspec(prefix, argv);
|
|
|
|
read_cache();
|
|
refresh_index(&the_index, REFRESH_QUIET|REFRESH_UNMERGED, s.pathspec, NULL, NULL);
|
|
s.is_initial = get_sha1(s.reference, sha1) ? 1 : 0;
|
|
s.in_merge = in_merge;
|
|
wt_status_collect(&s);
|
|
|
|
if (s.relative_paths)
|
|
s.prefix = prefix;
|
|
if (s.use_color == -1)
|
|
s.use_color = git_use_color_default;
|
|
if (diff_use_color_default == -1)
|
|
diff_use_color_default = git_use_color_default;
|
|
|
|
switch (status_format) {
|
|
case STATUS_FORMAT_SHORT:
|
|
wt_shortstatus_print(&s, null_termination);
|
|
break;
|
|
case STATUS_FORMAT_PORCELAIN:
|
|
wt_porcelain_print(&s, null_termination);
|
|
break;
|
|
case STATUS_FORMAT_LONG:
|
|
s.verbose = verbose;
|
|
wt_status_print(&s);
|
|
break;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static void print_summary(const char *prefix, const unsigned char *sha1)
|
|
{
|
|
struct rev_info rev;
|
|
struct commit *commit;
|
|
struct strbuf format = STRBUF_INIT;
|
|
unsigned char junk_sha1[20];
|
|
const char *head = resolve_ref("HEAD", junk_sha1, 0, NULL);
|
|
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.abbrev = 0;
|
|
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.rename_limit = 100;
|
|
rev.diffopt.break_opt = 0;
|
|
diff_setup_done(&rev.diffopt);
|
|
|
|
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)) {
|
|
struct pretty_print_context ctx = {0};
|
|
struct strbuf buf = STRBUF_INIT;
|
|
ctx.date_mode = DATE_NORMAL;
|
|
format_commit_message(commit, format.buf + 7, &buf, &ctx);
|
|
printf("%s\n", buf.buf);
|
|
strbuf_release(&buf);
|
|
}
|
|
strbuf_release(&format);
|
|
}
|
|
|
|
static int git_commit_config(const char *k, const char *v, void *cb)
|
|
{
|
|
struct wt_status *s = cb;
|
|
|
|
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;
|
|
}
|
|
|
|
return git_status_config(k, v, s);
|
|
}
|
|
|
|
int cmd_commit(int argc, const char **argv, const char *prefix)
|
|
{
|
|
struct strbuf sb = STRBUF_INIT;
|
|
const char *index_file, *reflog_msg;
|
|
char *nl, *p;
|
|
unsigned char commit_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;
|
|
|
|
wt_status_prepare(&s);
|
|
git_config(git_commit_config, &s);
|
|
in_merge = file_exists(git_path("MERGE_HEAD"));
|
|
s.in_merge = in_merge;
|
|
|
|
if (s.use_color == -1)
|
|
s.use_color = git_use_color_default;
|
|
argc = parse_and_validate_options(argc, argv, builtin_commit_usage,
|
|
prefix, &s);
|
|
if (dry_run) {
|
|
if (diff_use_color_default == -1)
|
|
diff_use_color_default = git_use_color_default;
|
|
return dry_run_commit(argc, argv, prefix, &s);
|
|
}
|
|
index_file = prepare_index(argc, argv, prefix, 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, &s)) {
|
|
rollback_index_files();
|
|
return 1;
|
|
}
|
|
|
|
/* Determine parents */
|
|
if (initial_commit) {
|
|
reflog_msg = "commit (initial)";
|
|
} else if (amend) {
|
|
struct commit_list *c;
|
|
struct commit *commit;
|
|
|
|
reflog_msg = "commit (amend)";
|
|
commit = lookup_commit(head_sha1);
|
|
if (!commit || parse_commit(commit))
|
|
die("could not parse HEAD commit");
|
|
|
|
for (c = commit->parents; c; c = c->next)
|
|
pptr = &commit_list_insert(c->item, pptr)->next;
|
|
} else if (in_merge) {
|
|
struct strbuf m = STRBUF_INIT;
|
|
FILE *fp;
|
|
|
|
reflog_msg = "commit (merge)";
|
|
pptr = &commit_list_insert(lookup_commit(head_sha1), 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) {
|
|
unsigned char sha1[20];
|
|
if (get_sha1_hex(m.buf, sha1) < 0)
|
|
die("Corrupt MERGE_HEAD file (%s)", m.buf);
|
|
pptr = &commit_list_insert(lookup_commit(sha1), 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 {
|
|
reflog_msg = "commit";
|
|
pptr = &commit_list_insert(lookup_commit(head_sha1), 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)) {
|
|
rollback_index_files();
|
|
fprintf(stderr, "Aborting commit due to empty commit message.\n");
|
|
exit(1);
|
|
}
|
|
|
|
if (commit_tree(sb.buf, active_cache_tree->sha1, parents, commit_sha1,
|
|
fmt_ident(author_name, author_email, author_date,
|
|
IDENT_ERROR_ON_NO_NAME))) {
|
|
rollback_index_files();
|
|
die("failed to write commit object");
|
|
}
|
|
|
|
ref_lock = lock_any_ref_for_update("HEAD",
|
|
initial_commit ? NULL : head_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, commit_sha1, sb.buf) < 0) {
|
|
rollback_index_files();
|
|
die("cannot update HEAD ref");
|
|
}
|
|
|
|
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 (!quiet)
|
|
print_summary(prefix, commit_sha1);
|
|
|
|
return 0;
|
|
}
|