diff options
Diffstat (limited to 'builtin-commit.c')
| -rw-r--r-- | builtin-commit.c | 1034 |
1 files changed, 0 insertions, 1034 deletions
diff --git a/builtin-commit.c b/builtin-commit.c deleted file mode 100644 index 81371b1d26..0000000000 --- a/builtin-commit.c +++ /dev/null @@ -1,1034 +0,0 @@ -/* - * Builtin "git commit" - * - * Copyright (c) 2007 Kristian Høgsberg <krh@redhat.com> - * Based on git-commit.sh by Junio C Hamano and Linus Torvalds - */ - -#include "cache.h" -#include "cache-tree.h" -#include "color.h" -#include "dir.h" -#include "builtin.h" -#include "diff.h" -#include "diffcore.h" -#include "commit.h" -#include "revision.h" -#include "wt-status.h" -#include "run-command.h" -#include "refs.h" -#include "log-tree.h" -#include "strbuf.h" -#include "utf8.h" -#include "parse-options.h" -#include "string-list.h" -#include "rerere.h" -#include "unpack-trees.h" - -static const char * const builtin_commit_usage[] = { - "git commit [options] [--] <filepattern>...", - NULL -}; - -static const char * const builtin_status_usage[] = { - "git status [options] [--] <filepattern>...", - NULL -}; - -static unsigned char head_sha1[20], merge_head_sha1[20]; -static char *use_message_buffer; -static const char commit_editmsg[] = "COMMIT_EDITMSG"; -static struct lock_file index_lock; /* real index */ -static struct lock_file false_lock; /* used only for partial commits */ -static enum { - COMMIT_AS_IS = 1, - COMMIT_NORMAL, - COMMIT_PARTIAL, -} commit_style; - -static const char *logfile, *force_author; -static const char *template_file; -static char *edit_message, *use_message; -static char *author_name, *author_email, *author_date; -static int all, edit_flag, also, interactive, only, amend, signoff; -static int quiet, verbose, no_verify, allow_empty; -static char *untracked_files_arg; -/* - * The default commit message cleanup mode will remove the lines - * beginning with # (shell comments) and leading and trailing - * whitespaces (empty lines or containing only whitespaces) - * if editor is used, and only the whitespaces if the message - * is specified explicitly. - */ -static enum { - CLEANUP_SPACE, - CLEANUP_NONE, - CLEANUP_ALL, -} cleanup_mode; -static char *cleanup_arg; - -static int use_editor = 1, initial_commit, in_merge; -static const char *only_include_assumed; -static struct strbuf message; - -static int opt_parse_m(const struct option *opt, const char *arg, int unset) -{ - struct strbuf *buf = opt->value; - if (unset) - strbuf_setlen(buf, 0); - else { - strbuf_addstr(buf, arg); - strbuf_addstr(buf, "\n\n"); - } - return 0; -} - -static struct option builtin_commit_options[] = { - OPT__QUIET(&quiet), - OPT__VERBOSE(&verbose), - OPT_GROUP("Commit message options"), - - OPT_STRING('F', "file", &logfile, "FILE", "read log from file"), - OPT_STRING(0, "author", &force_author, "AUTHOR", "override author for commit"), - OPT_CALLBACK('m', "message", &message, "MESSAGE", "specify commit message", opt_parse_m), - OPT_STRING('c', "reedit-message", &edit_message, "COMMIT", "reuse and edit message from specified commit "), - OPT_STRING('C', "reuse-message", &use_message, "COMMIT", "reuse message from specified commit"), - OPT_BOOLEAN('s', "signoff", &signoff, "add Signed-off-by:"), - OPT_STRING('t', "template", &template_file, "FILE", "use specified template file"), - OPT_BOOLEAN('e', "edit", &edit_flag, "force edit of commit"), - - OPT_GROUP("Commit contents options"), - OPT_BOOLEAN('a', "all", &all, "commit all changed files"), - OPT_BOOLEAN('i', "include", &also, "add specified files to index for commit"), - OPT_BOOLEAN(0, "interactive", &interactive, "interactively add files"), - OPT_BOOLEAN('o', "only", &only, "commit only specified files"), - OPT_BOOLEAN('n', "no-verify", &no_verify, "bypass pre-commit hook"), - OPT_BOOLEAN(0, "amend", &amend, "amend previous commit"), - { 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, "allow-empty", &allow_empty, "ok to record an empty change"), - OPT_STRING(0, "cleanup", &cleanup_arg, "default", "how to strip spaces and #comments from message"), - - OPT_END() -}; - -static void rollback_index_files(void) -{ - switch (commit_style) { - case COMMIT_AS_IS: - break; /* nothing to do */ - case COMMIT_NORMAL: - rollback_lock_file(&index_lock); - break; - case COMMIT_PARTIAL: - rollback_lock_file(&index_lock); - rollback_lock_file(&false_lock); - break; - } -} - -static int commit_index_files(void) -{ - int err = 0; - - switch (commit_style) { - case COMMIT_AS_IS: - break; /* nothing to do */ - case COMMIT_NORMAL: - err = commit_lock_file(&index_lock); - break; - case COMMIT_PARTIAL: - err = commit_lock_file(&index_lock); - rollback_lock_file(&false_lock); - break; - } - - return err; -} - -/* - * Take a union of paths in the index and the named tree (typically, "HEAD"), - * and return the paths that match the given pattern in list. - */ -static int list_paths(struct string_list *list, const char *with_tree, - const char *prefix, const char **pattern) -{ - int i; - char *m; - - for (i = 0; pattern[i]; i++) - ; - m = xcalloc(1, i); - - if (with_tree) - overlay_tree_on_cache(with_tree, prefix); - - for (i = 0; i < active_nr; i++) { - struct cache_entry *ce = active_cache[i]; - if (ce->ce_flags & CE_UPDATE) - continue; - if (!match_pathspec(pattern, ce->name, ce_namelen(ce), 0, m)) - continue; - string_list_insert(ce->name, list); - } - - return report_path_error(m, pattern, prefix ? strlen(prefix) : 0); -} - -static void add_remove_files(struct string_list *list) -{ - int i; - for (i = 0; i < list->nr; i++) { - struct stat st; - struct string_list_item *p = &(list->items[i]); - - if (!lstat(p->string, &st)) { - if (add_to_cache(p->string, &st, 0)) - die("updating files failed"); - } else - remove_file_from_cache(p->string); - } -} - -static void create_base_index(void) -{ - struct tree *tree; - struct unpack_trees_options opts; - struct tree_desc t; - - if (initial_commit) { - discard_cache(); - return; - } - - memset(&opts, 0, sizeof(opts)); - opts.head_idx = 1; - opts.index_only = 1; - opts.merge = 1; - opts.src_index = &the_index; - opts.dst_index = &the_index; - - opts.fn = oneway_merge; - tree = parse_tree_indirect(head_sha1); - if (!tree) - die("failed to unpack HEAD tree object"); - parse_tree(tree); - init_tree_desc(&t, tree->buffer, tree->size); - if (unpack_trees(1, &t, &opts)) - exit(128); /* We've already reported the error, finish dying */ -} - -static char *prepare_index(int argc, const char **argv, const char *prefix) -{ - int fd; - struct string_list partial; - const char **pathspec = NULL; - - if (interactive) { - if (interactive_add(argc, argv, prefix) != 0) - die("interactive add failed"); - if (read_cache_preload(NULL) < 0) - die("index file corrupt"); - commit_style = COMMIT_AS_IS; - return get_index_file(); - } - - if (*argv) - pathspec = get_pathspec(prefix, argv); - - if (read_cache_preload(pathspec) < 0) - die("index file corrupt"); - - /* - * Non partial, non as-is commit. - * - * (1) get the real index; - * (2) update the_index as necessary; - * (3) write the_index out to the real index (still locked); - * (4) return the name of the locked index file. - * - * The caller should run hooks on the locked real index, and - * (A) if all goes well, commit the real index; - * (B) on failure, rollback the real index. - */ - if (all || (also && pathspec && *pathspec)) { - int fd = hold_locked_index(&index_lock, 1); - add_files_to_cache(also ? prefix : NULL, pathspec, 0); - refresh_cache(REFRESH_QUIET); - if (write_cache(fd, active_cache, active_nr) || - close_lock_file(&index_lock)) - die("unable to write new_index file"); - commit_style = COMMIT_NORMAL; - return index_lock.filename; - } - - /* - * As-is commit. - * - * (1) return the name of the real index file. - * - * The caller should run hooks on the real index, and run - * hooks on the real index, and create commit from the_index. - * We still need to refresh the index here. - */ - if (!pathspec || !*pathspec) { - fd = hold_locked_index(&index_lock, 1); - refresh_cache(REFRESH_QUIET); - if (write_cache(fd, active_cache, active_nr) || - commit_locked_index(&index_lock)) - die("unable to write new_index file"); - commit_style = COMMIT_AS_IS; - return get_index_file(); - } - - /* - * A partial commit. - * - * (0) find the set of affected paths; - * (1) get lock on the real index file; - * (2) update the_index with the given paths; - * (3) write the_index out to the real index (still locked); - * (4) get lock on the false index file; - * (5) reset the_index from HEAD; - * (6) update the_index the same way as (2); - * (7) write the_index out to the false index file; - * (8) return the name of the false index file (still locked); - * - * The caller should run hooks on the locked false index, and - * create commit from it. Then - * (A) if all goes well, commit the real index; - * (B) on failure, rollback the real index; - * In either case, rollback the false index. - */ - commit_style = COMMIT_PARTIAL; - - if (file_exists(git_path("MERGE_HEAD"))) - die("cannot do a partial commit during a merge."); - - memset(&partial, 0, sizeof(partial)); - partial.strdup_strings = 1; - if (list_paths(&partial, initial_commit ? NULL : "HEAD", prefix, pathspec)) - exit(1); - - discard_cache(); - if (read_cache() < 0) - die("cannot read the index"); - - fd = hold_locked_index(&index_lock, 1); - add_remove_files(&partial); - refresh_cache(REFRESH_QUIET); - if (write_cache(fd, active_cache, active_nr) || - close_lock_file(&index_lock)) - die("unable to write new_index file"); - - fd = hold_lock_file_for_update(&false_lock, - git_path("next-index-%"PRIuMAX, - (uintmax_t) getpid()), - LOCK_DIE_ON_ERROR); - - create_base_index(); - add_remove_files(&partial); - refresh_cache(REFRESH_QUIET); - - 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; - - wt_status_prepare(&s); - if (wt_status_relative_paths) - s.prefix = prefix; - - if (amend) { - s.amend = 1; - s.reference = "HEAD^1"; - } - s.verbose = verbose; - s.untracked = (show_untracked_files == SHOW_ALL_UNTRACKED_FILES); - s.index_file = index_file; - s.fp = fp; - s.nowarn = nowarn; - - wt_status_print(&s); - - return s.commitable; -} - -static int is_a_merge(const unsigned char *sha1) -{ - struct commit *commit = lookup_commit(sha1); - if (!commit || parse_commit(commit)) - die("could not parse HEAD commit"); - return !!(commit->parents && commit->parents->next); -} - -static const char sign_off_header[] = "Signed-off-by: "; - -static void determine_author_info(void) -{ - char *name, *email, *date; - - name = getenv("GIT_AUTHOR_NAME"); - email = getenv("GIT_AUTHOR_EMAIL"); - date = getenv("GIT_AUTHOR_DATE"); - - if (use_message) { - const char *a, *lb, *rb, *eol; - - a = strstr(use_message_buffer, "\nauthor "); - if (!a) - die("invalid commit: %s", use_message); - - lb = strstr(a + 8, " <"); - rb = strstr(a + 8, "> "); - eol = strchr(a + 8, '\n'); - if (!lb || !rb || !eol) - die("invalid commit: %s", use_message); - - name = xstrndup(a + 8, lb - (a + 8)); - email = xstrndup(lb + 2, rb - (lb + 2)); - date = xstrndup(rb + 2, eol - (rb + 2)); - } - - 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)); - } - - author_name = name; - author_email = email; - author_date = date; -} - -static int prepare_to_commit(const char *index_file, const char *prefix) -{ - 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("could not read log from standard input"); - hook_arg1 = "message"; - } else if (logfile) { - if (strbuf_read_file(&sb, logfile, 0) < 0) - die("could not read log file '%s': %s", - logfile, strerror(errno)); - 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("could not read MERGE_MSG: %s", strerror(errno)); - hook_arg1 = "merge"; - } else if (!stat(git_path("SQUASH_MSG"), &statbuf)) { - if (strbuf_read_file(&sb, git_path("SQUASH_MSG"), 0) < 0) - die("could not read SQUASH_MSG: %s", strerror(errno)); - hook_arg1 = "squash"; - } else if (template_file && !stat(template_file, &statbuf)) { - if (strbuf_read_file(&sb, template_file, 0) < 0) - die("could not read %s: %s", - template_file, strerror(errno)); - 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("could not open %s: %s", - git_path(commit_editmsg), strerror(errno)); - - 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 (prefixcmp(sb.buf + i, sign_off_header)) - strbuf_addch(&sb, '\n'); - strbuf_addbuf(&sb, &sob); - } - strbuf_release(&sob); - } - - if (fwrite(sb.buf, 1, sb.len, fp) < sb.len) - die("could not write commit template: %s", strerror(errno)); - - strbuf_release(&sb); - - determine_author_info(); - - /* This checks if committer ident is explicitly given */ - git_committer_info(0); - if (use_editor) { - 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_explicitly_given) - fprintf(fp, - "%s" - "# Committer: %s\n", - ident_shown++ ? "" : "#\n", - committer_ident); - - if (ident_shown) - fprintf(fp, "#\n"); - - saved_color_setting = wt_status_use_color; - wt_status_use_color = 0; - commitable = run_status(fp, index_file, prefix, 1); - wt_status_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); - 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) { - strbuf_release(&buf); - format_commit_message(commit, "%an <%ae>", &buf, DATE_NORMAL); - return strbuf_detach(&buf, NULL); - } - die("No existing author found with '%s'", name); -} - -static int parse_and_validate_options(int argc, const char *argv[], - const char * const usage[], - const char *prefix) -{ - int f = 0; - - argc = parse_options(argc, argv, builtin_commit_options, usage, 0); - logfile = parse_options_fix_filename(prefix, logfile); - template_file = parse_options_fix_filename(prefix, template_file); - - if (force_author && !strchr(force_author, '>')) - force_author = find_author_by_nickname(force_author); - - 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; - - if (!get_sha1("MERGE_HEAD", merge_head_sha1)) - in_merge = 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) { - 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); - - if (!untracked_files_arg) - ; /* default already initialized */ - else if (!strcmp(untracked_files_arg, "no")) - show_untracked_files = SHOW_NO_UNTRACKED_FILES; - else if (!strcmp(untracked_files_arg, "normal")) - show_untracked_files = SHOW_NORMAL_UNTRACKED_FILES; - else if (!strcmp(untracked_files_arg, "all")) - show_untracked_files = SHOW_ALL_UNTRACKED_FILES; - else - die("Invalid untracked files mode '%s'", untracked_files_arg); - - 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."); - - return argc; -} - -int cmd_status(int argc, const char **argv, const char *prefix) -{ - const char *index_file; - int commitable; - - git_config(git_status_config, NULL); - - if (wt_status_use_color == -1) - wt_status_use_color = git_use_color_default; - - if (diff_use_color_default == -1) - diff_use_color_default = git_use_color_default; - - argc = parse_and_validate_options(argc, argv, builtin_status_usage, prefix); - - index_file = prepare_index(argc, argv, prefix); - - commitable = run_status(stdout, index_file, prefix, 0); - - rollback_index_files(); - - return commitable ? 0 : 1; -} - -static void print_summary(const char *prefix, const unsigned char *sha1) -{ - struct rev_info rev; - struct commit *commit; - static const char *format = "format:%h] %s"; - unsigned char junk_sha1[20]; - const char *head = resolve_ref("HEAD", junk_sha1, 0, NULL); - - 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"); - - 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, &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 strbuf buf = STRBUF_INIT; - format_commit_message(commit, format + 7, &buf, DATE_NORMAL); - printf("%s\n", buf.buf); - strbuf_release(&buf); - } -} - -static int git_commit_config(const char *k, const char *v, void *cb) -{ - if (!strcmp(k, "commit.template")) - return git_config_string(&template_file, k, v); - - return git_status_config(k, v, cb); -} - -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; - - git_config(git_commit_config, NULL); - - if (wt_status_use_color == -1) - wt_status_use_color = git_use_color_default; - - argc = parse_and_validate_options(argc, argv, builtin_commit_usage, prefix); - - index_file = prepare_index(argc, argv, prefix); - - /* 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)) { - 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("could not open %s for reading: %s", - git_path("MERGE_HEAD"), strerror(errno)); - 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("could not read MERGE_MODE: %s", - strerror(errno)); - 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) { - rollback_index_files(); - die("could not read commit message"); - } - - /* 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(); - run_hook(get_index_file(), "post-commit", NULL); - if (!quiet) - print_summary(prefix, commit_sha1); - - return 0; -} |