MinGW: implement mmap
[gitweb.git] / builtin-commit.c
index b920257524850ea04bc940411d342e9a622e7094..46e649cd7ca0a2ede8f010a6d3bf294f81b85d55 100644 (file)
@@ -166,7 +166,7 @@ static int list_paths(struct string_list *list, const char *with_tree,
                struct cache_entry *ce = active_cache[i];
                if (ce->ce_flags & CE_UPDATE)
                        continue;
-               if (!pathspec_match(pattern, m, ce->name, 0))
+               if (!match_pathspec(pattern, ce->name, ce_namelen(ce), 0, m))
                        continue;
                string_list_insert(ce->name, list);
        }
@@ -225,18 +225,18 @@ static char *prepare_index(int argc, const char **argv, const char *prefix)
 
        if (interactive) {
                interactive_add(argc, argv, prefix);
-               if (read_cache() < 0)
+               if (read_cache_preload(NULL) < 0)
                        die("index file corrupt");
                commit_style = COMMIT_AS_IS;
                return get_index_file();
        }
 
-       if (read_cache() < 0)
-               die("index file corrupt");
-
        if (*argv)
                pathspec = get_pathspec(prefix, argv);
 
+       if (read_cache_preload(pathspec) < 0)
+               die("index file corrupt");
+
        /*
         * Non partial, non as-is commit.
         *
@@ -320,7 +320,9 @@ static char *prepare_index(int argc, const char **argv, const char *prefix)
                die("unable to write new_index file");
 
        fd = hold_lock_file_for_update(&false_lock,
-                                      git_path("next-index-%"PRIuMAX, (uintmax_t) getpid()), 1);
+                                      git_path("next-index-%"PRIuMAX,
+                                               (uintmax_t) getpid()),
+                                      LOCK_DIE_ON_ERROR);
 
        create_base_index();
        add_remove_files(&partial);
@@ -359,40 +361,6 @@ static int run_status(FILE *fp, const char *index_file, const char *prefix, int
        return s.commitable;
 }
 
-static int run_hook(const char *index_file, const char *name, ...)
-{
-       struct child_process hook;
-       const char *argv[10], *env[2];
-       char index[PATH_MAX];
-       va_list args;
-       int i;
-
-       va_start(args, name);
-       argv[0] = git_path("hooks/%s", name);
-       i = 0;
-       do {
-               if (++i >= ARRAY_SIZE(argv))
-                       die ("run_hook(): too many arguments");
-               argv[i] = va_arg(args, const char *);
-       } while (argv[i]);
-       va_end(args);
-
-       snprintf(index, sizeof(index), "GIT_INDEX_FILE=%s", index_file);
-       env[0] = index;
-       env[1] = NULL;
-
-       if (access(argv[0], X_OK) < 0)
-               return 0;
-
-       memset(&hook, 0, sizeof(hook));
-       hook.argv = argv;
-       hook.no_stdin = 1;
-       hook.stdout_to_stderr = 1;
-       hook.env = env;
-
-       return run_command(&hook);
-}
-
 static int is_a_merge(const unsigned char *sha1)
 {
        struct commit *commit = lookup_commit(sha1);
@@ -448,7 +416,7 @@ static int prepare_to_commit(const char *index_file, const char *prefix)
 {
        struct stat statbuf;
        int commitable, saved_color_setting;
-       struct strbuf sb;
+       struct strbuf sb = STRBUF_INIT;
        char *buffer;
        FILE *fp;
        const char *hook_arg1 = NULL;
@@ -458,7 +426,6 @@ static int prepare_to_commit(const char *index_file, const char *prefix)
        if (!no_verify && run_hook(index_file, "pre-commit", NULL))
                return 0;
 
-       strbuf_init(&sb, 0);
        if (message.len) {
                strbuf_addbuf(&sb, &message);
                hook_arg1 = "message";
@@ -511,10 +478,9 @@ static int prepare_to_commit(const char *index_file, const char *prefix)
                stripspace(&sb, 0);
 
        if (signoff) {
-               struct strbuf sob;
+               struct strbuf sob = STRBUF_INIT;
                int i;
 
-               strbuf_init(&sob, 0);
                strbuf_addstr(&sob, sign_off_header);
                strbuf_addstr(&sob, fmt_name(getenv("GIT_COMMITTER_NAME"),
                                             getenv("GIT_COMMITTER_EMAIL")));
@@ -595,7 +561,6 @@ static int prepare_to_commit(const char *index_file, const char *prefix)
                commitable = run_status(fp, index_file, prefix, 1);
                wt_status_use_color = saved_color_setting;
        } else {
-               struct rev_info rev;
                unsigned char sha1[20];
                const char *parent = "HEAD";
 
@@ -607,16 +572,8 @@ static int prepare_to_commit(const char *index_file, const char *prefix)
 
                if (get_sha1(parent, sha1))
                        commitable = !!active_nr;
-               else {
-                       init_revisions(&rev, "");
-                       rev.abbrev = 0;
-                       setup_revisions(0, NULL, &rev, parent);
-                       DIFF_OPT_SET(&rev.diffopt, QUIET);
-                       DIFF_OPT_SET(&rev.diffopt, EXIT_WITH_STATUS);
-                       run_diff_index(&rev, 1 /* cached */);
-
-                       commitable = !!DIFF_OPT_TST(&rev.diffopt, HAS_CHANGES);
-               }
+               else
+                       commitable = index_differs_from(parent, 0);
        }
 
        fclose(fp);
@@ -624,7 +581,6 @@ static int prepare_to_commit(const char *index_file, const char *prefix)
        if (!commitable && !in_merge && !allow_empty &&
            !(amend && is_a_merge(head_sha1))) {
                run_status(stdout, index_file, prefix, 0);
-               unlink(commit_editmsg);
                return 0;
        }
 
@@ -639,7 +595,7 @@ static int prepare_to_commit(const char *index_file, const char *prefix)
                active_cache_tree = cache_tree();
        if (cache_tree_update(active_cache_tree,
                              active_cache, active_nr, 0, 0) < 0) {
-               error("Error building trees; the index is unmerged?");
+               error("Error building trees");
                return 0;
        }
 
@@ -672,7 +628,7 @@ static int prepare_to_commit(const char *index_file, const char *prefix)
  */
 static int message_is_empty(struct strbuf *sb)
 {
-       struct strbuf tmpl;
+       struct strbuf tmpl = STRBUF_INIT;
        const char *nl;
        int eol, i, start = 0;
 
@@ -680,7 +636,6 @@ static int message_is_empty(struct strbuf *sb)
                return 0;
 
        /* See if the template is just a prefix of the message. */
-       strbuf_init(&tmpl, 0);
        if (template_file && strbuf_read_file(&tmpl, template_file, 0) > 0) {
                stripspace(&tmpl, cleanup_mode == CLEANUP_ALL);
                if (start + tmpl.len <= sb->len &&
@@ -867,6 +822,9 @@ int cmd_status(int argc, const char **argv, const char *prefix)
        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);
@@ -882,6 +840,9 @@ 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)
@@ -899,18 +860,24 @@ static void print_summary(const char *prefix, const unsigned char *sha1)
 
        rev.verbose_header = 1;
        rev.show_root_diff = 1;
-       get_commit_format("format:%h: %s", &rev);
+       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("Created %scommit ", initial_commit ? "initial " : "");
+       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, "%h: %s", &buf, DATE_NORMAL);
+               format_commit_message(commit, format + 7, &buf, DATE_NORMAL);
                printf("%s\n", buf.buf);
                strbuf_release(&buf);
        }
@@ -924,22 +891,22 @@ static int git_commit_config(const char *k, const char *v, void *cb)
        return git_status_config(k, v, cb);
 }
 
-static const char commit_utf8_warn[] =
-"Warning: commit message does not conform to UTF-8.\n"
-"You may want to amend it after fixing the message, or set the config\n"
-"variable i18n.commitencoding to the encoding your project uses.\n";
-
 int cmd_commit(int argc, const char **argv, const char *prefix)
 {
-       struct strbuf sb;
+       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);
@@ -966,12 +933,11 @@ int cmd_commit(int argc, const char **argv, const char *prefix)
                for (c = commit->parents; c; c = c->next)
                        pptr = &commit_list_insert(c->item, pptr)->next;
        } else if (in_merge) {
-               struct strbuf m;
+               struct strbuf m = STRBUF_INIT;
                FILE *fp;
 
                reflog_msg = "commit (merge)";
                pptr = &commit_list_insert(lookup_commit(head_sha1), pptr)->next;
-               strbuf_init(&m, 0);
                fp = fopen(git_path("MERGE_HEAD"), "r");
                if (fp == NULL)
                        die("could not open %s for reading: %s",
@@ -984,23 +950,33 @@ int cmd_commit(int argc, const char **argv, const char *prefix)
                }
                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;
        }
-       parents = reduce_heads(parents);
 
        /* Finally, get the commit message */
-       strbuf_init(&sb, 0);
+       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. */
-       p = strstr(sb.buf, "\ndiff --git a/");
-       if (p != NULL)
-               strbuf_setlen(&sb, p - sb.buf + 1);
+       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);
@@ -1040,6 +1016,7 @@ int cmd_commit(int argc, const char **argv, const char *prefix)
 
        unlink(git_path("MERGE_HEAD"));
        unlink(git_path("MERGE_MSG"));
+       unlink(git_path("MERGE_MODE"));
        unlink(git_path("SQUASH_MSG"));
 
        if (commit_index_files())