Merge branch 'jk/haves-from-alternate-odb'
[gitweb.git] / builtin / log.c
index 9a15d6961718481339417f973cac0a4a5fc9b26a..27849dc91de03a46d4c9357ca0d7b3f79188cc98 100644 (file)
 /* Set a default date-time format for git log ("log.date" config variable) */
 static const char *default_date_mode = NULL;
 
+static int default_abbrev_commit;
 static int default_show_root = 1;
 static int decoration_style;
+static int decoration_given;
 static const char *fmt_patch_subject_prefix = "PATCH";
 static const char *fmt_pretty;
 
-static const char * const builtin_log_usage =
+static const char * const builtin_log_usage[] = {
        "git log [<options>] [<since>..<until>] [[--] <path>...]\n"
-       "   or: git show [options] <object>...";
+       "   or: git show [options] <object>...",
+       NULL
+};
 
 static int parse_decoration_style(const char *var, const char *value)
 {
@@ -49,34 +53,65 @@ static int parse_decoration_style(const char *var, const char *value)
        return -1;
 }
 
-static void cmd_log_init(int argc, const char **argv, const char *prefix,
-                        struct rev_info *rev, struct setup_revision_opt *opt)
+static int decorate_callback(const struct option *opt, const char *arg, int unset)
 {
-       int i;
-       int decoration_given = 0;
-       struct userformat_want w;
+       if (unset)
+               decoration_style = 0;
+       else if (arg)
+               decoration_style = parse_decoration_style("command line", arg);
+       else
+               decoration_style = DECORATE_SHORT_REFS;
+
+       if (decoration_style < 0)
+               die("invalid --decorate option: %s", arg);
 
+       decoration_given = 1;
+
+       return 0;
+}
+
+static void cmd_log_init_defaults(struct rev_info *rev)
+{
        rev->abbrev = DEFAULT_ABBREV;
        rev->commit_format = CMIT_FMT_DEFAULT;
        if (fmt_pretty)
                get_commit_format(fmt_pretty, rev);
        rev->verbose_header = 1;
        DIFF_OPT_SET(&rev->diffopt, RECURSIVE);
+       rev->abbrev_commit = default_abbrev_commit;
        rev->show_root_diff = default_show_root;
        rev->subject_prefix = fmt_patch_subject_prefix;
        DIFF_OPT_SET(&rev->diffopt, ALLOW_TEXTCONV);
 
        if (default_date_mode)
                rev->date_mode = parse_date_format(default_date_mode);
+}
+
+static void cmd_log_init_finish(int argc, const char **argv, const char *prefix,
+                        struct rev_info *rev, struct setup_revision_opt *opt)
+{
+       struct userformat_want w;
+       int quiet = 0, source = 0;
+
+       const struct option builtin_log_options[] = {
+               OPT_BOOLEAN(0, "quiet", &quiet, "suppress diff output"),
+               OPT_BOOLEAN(0, "source", &source, "show source"),
+               { OPTION_CALLBACK, 0, "decorate", NULL, NULL, "decorate options",
+                 PARSE_OPT_OPTARG, decorate_callback},
+               OPT_END()
+       };
+
+       argc = parse_options(argc, argv, prefix,
+                            builtin_log_options, builtin_log_usage,
+                            PARSE_OPT_KEEP_ARGV0 | PARSE_OPT_KEEP_UNKNOWN |
+                            PARSE_OPT_KEEP_DASHDASH);
 
-       /*
-        * Check for -h before setup_revisions(), or "git log -h" will
-        * fail when run without a git directory.
-        */
-       if (argc == 2 && !strcmp(argv[1], "-h"))
-               usage(builtin_log_usage);
        argc = setup_revisions(argc, argv, rev, opt);
 
+       /* Any arguments at this point are not recognized */
+       if (argc > 1)
+               die("unrecognized argument: %s", argv[1]);
+
        memset(&w, 0, sizeof(w));
        userformat_find_requirements(NULL, &w);
 
@@ -89,38 +124,24 @@ static void cmd_log_init(int argc, const char **argv, const char *prefix,
                rev->always_show_header = 0;
        if (DIFF_OPT_TST(&rev->diffopt, FOLLOW_RENAMES)) {
                rev->always_show_header = 0;
-               if (rev->diffopt.nr_paths != 1)
+               if (rev->diffopt.pathspec.nr != 1)
                        usage("git logs can only follow renames on one pathname at a time");
        }
-       for (i = 1; i < argc; i++) {
-               const char *arg = argv[i];
-               if (!strcmp(arg, "--decorate")) {
-                       decoration_style = DECORATE_SHORT_REFS;
-                       decoration_given = 1;
-               } else if (!prefixcmp(arg, "--decorate=")) {
-                       const char *v = skip_prefix(arg, "--decorate=");
-                       decoration_style = parse_decoration_style(arg, v);
-                       if (decoration_style < 0)
-                               die("invalid --decorate option: %s", arg);
-                       decoration_given = 1;
-               } else if (!strcmp(arg, "--no-decorate")) {
+
+       if (source)
+               rev->show_source = 1;
+
+       if (rev->pretty_given && rev->commit_format == CMIT_FMT_RAW) {
+               /*
+                * "log --pretty=raw" is special; ignore UI oriented
+                * configuration variables such as decoration.
+                */
+               if (!decoration_given)
                        decoration_style = 0;
-               } else if (!strcmp(arg, "--source")) {
-                       rev->show_source = 1;
-               } else if (!strcmp(arg, "-h")) {
-                       usage(builtin_log_usage);
-               } else
-                       die("unrecognized argument: %s", arg);
+               if (!rev->abbrev_commit_given)
+                       rev->abbrev_commit = 0;
        }
 
-       /*
-        * defeat log.decorate configuration interacting with --pretty=raw
-        * from the command line.
-        */
-       if (!decoration_given && rev->pretty_given
-           && rev->commit_format == CMIT_FMT_RAW)
-               decoration_style = 0;
-
        if (decoration_style) {
                rev->show_decorations = 1;
                load_ref_decorations(decoration_style);
@@ -128,6 +149,13 @@ static void cmd_log_init(int argc, const char **argv, const char *prefix,
        setup_pager();
 }
 
+static void cmd_log_init(int argc, const char **argv, const char *prefix,
+                        struct rev_info *rev, struct setup_revision_opt *opt)
+{
+       cmd_log_init_defaults(rev);
+       cmd_log_init_finish(argc, argv, prefix, rev, opt);
+}
+
 /*
  * This gives a rough estimate for how many commits we
  * will print out in the list.
@@ -153,7 +181,7 @@ static void show_early_header(struct rev_info *rev, const char *stage, int nr)
                if (rev->commit_format != CMIT_FMT_ONELINE)
                        putchar(rev->diffopt.line_termination);
        }
-       printf("Final output: %d %s\n", nr, stage);
+       printf(_("Final output: %d %s\n"), nr, stage);
 }
 
 static struct itimerval early_output_timer;
@@ -247,12 +275,14 @@ static void finish_early_output(struct rev_info *rev)
 static int cmd_log_walk(struct rev_info *rev)
 {
        struct commit *commit;
+       int saved_nrl = 0;
+       int saved_dcctc = 0;
 
        if (rev->early_output)
                setup_early_output(rev);
 
        if (prepare_revision_walk(rev))
-               die("revision walk setup failed");
+               die(_("revision walk setup failed"));
 
        if (rev->early_output)
                finish_early_output(rev);
@@ -277,7 +307,14 @@ static int cmd_log_walk(struct rev_info *rev)
                }
                free_commit_list(commit->parents);
                commit->parents = NULL;
+               if (saved_nrl < rev->diffopt.needed_rename_limit)
+                       saved_nrl = rev->diffopt.needed_rename_limit;
+               if (rev->diffopt.degraded_cc_to_c)
+                       saved_dcctc = 1;
        }
+       rev->diffopt.degraded_cc_to_c = saved_dcctc;
+       rev->diffopt.needed_rename_limit = saved_nrl;
+
        if (rev->diffopt.output_format & DIFF_FORMAT_CHECKDIFF &&
            DIFF_OPT_TST(&rev->diffopt, CHECK_FAILED)) {
                return 02;
@@ -291,6 +328,10 @@ static int git_log_config(const char *var, const char *value, void *cb)
                return git_config_string(&fmt_pretty, var, value);
        if (!strcmp(var, "format.subjectprefix"))
                return git_config_string(&fmt_patch_subject_prefix, var, value);
+       if (!strcmp(var, "log.abbrevcommit")) {
+               default_abbrev_commit = git_config_bool(var, value);
+               return 0;
+       }
        if (!strcmp(var, "log.date"))
                return git_config_string(&default_date_mode, var, value);
        if (!strcmp(var, "log.decorate")) {
@@ -349,7 +390,7 @@ static int show_object(const unsigned char *sha1, int show_tag_object,
        int offset = 0;
 
        if (!buf)
-               return error("Could not read object %s", sha1_to_hex(sha1));
+               return error(_("Could not read object %s"), sha1_to_hex(sha1));
 
        if (show_tag_object)
                while (offset < size && buf[offset] != '\n') {
@@ -396,6 +437,7 @@ int cmd_show(int argc, const char **argv, const char *prefix)
        struct rev_info rev;
        struct object_array_entry *objects;
        struct setup_revision_opt opt;
+       struct pathspec match_all;
        int i, count, ret = 0;
 
        git_config(git_log_config, NULL);
@@ -403,6 +445,7 @@ int cmd_show(int argc, const char **argv, const char *prefix)
        if (diff_use_color_default == -1)
                diff_use_color_default = git_use_color_default;
 
+       init_pathspec(&match_all, NULL);
        init_revisions(&rev, prefix);
        rev.diff = 1;
        rev.always_show_header = 1;
@@ -436,7 +479,7 @@ int cmd_show(int argc, const char **argv, const char *prefix)
                                break;
                        o = parse_object(t->tagged->sha1);
                        if (!o)
-                               ret = error("Could not read object %s",
+                               ret = error(_("Could not read object %s"),
                                            sha1_to_hex(t->tagged->sha1));
                        objects[i].item = o;
                        i--;
@@ -449,7 +492,7 @@ int cmd_show(int argc, const char **argv, const char *prefix)
                                        diff_get_color_opt(&rev.diffopt, DIFF_COMMIT),
                                        name,
                                        diff_get_color_opt(&rev.diffopt, DIFF_RESET));
-                       read_tree_recursive((struct tree *)o, "", 0, 0, NULL,
+                       read_tree_recursive((struct tree *)o, "", 0, 0, &match_all,
                                        show_tree_object, NULL);
                        rev.shown_one = 1;
                        break;
@@ -460,7 +503,7 @@ int cmd_show(int argc, const char **argv, const char *prefix)
                        ret = cmd_log_walk(&rev);
                        break;
                default:
-                       ret = error("Unknown type: %d", o->type);
+                       ret = error(_("Unknown type: %d"), o->type);
                }
        }
        free(objects);
@@ -482,20 +525,15 @@ int cmd_log_reflog(int argc, const char **argv, const char *prefix)
 
        init_revisions(&rev, prefix);
        init_reflog_walk(&rev.reflog_info);
-       rev.abbrev_commit = 1;
        rev.verbose_header = 1;
        memset(&opt, 0, sizeof(opt));
        opt.def = "HEAD";
-       cmd_log_init(argc, argv, prefix, &rev, &opt);
-
-       /*
-        * This means that we override whatever commit format the user gave
-        * on the cmd line.  Sad, but cmd_log_init() currently doesn't
-        * allow us to set a different default.
-        */
+       cmd_log_init_defaults(&rev);
+       rev.abbrev_commit = 1;
        rev.commit_format = CMIT_FMT_ONELINE;
        rev.use_terminator = 1;
        rev.always_show_header = 1;
+       cmd_log_init_finish(argc, argv, prefix, &rev, &opt);
 
        return cmd_log_walk(&rev);
 }
@@ -560,7 +598,7 @@ static int git_format_config(const char *var, const char *value, void *cb)
 {
        if (!strcmp(var, "format.headers")) {
                if (!value)
-                       die("format.headers without value");
+                       die(_("format.headers without value"));
                add_header(value);
                return 0;
        }
@@ -623,7 +661,7 @@ static FILE *realstdout = NULL;
 static const char *output_directory = NULL;
 static int outdir_offset;
 
-static int reopen_stdout(struct commit *commit, struct rev_info *rev)
+static int reopen_stdout(struct commit *commit, struct rev_info *rev, int quiet)
 {
        struct strbuf filename = STRBUF_INIT;
        int suffix_len = strlen(fmt_patch_suffix) + 1;
@@ -632,18 +670,18 @@ static int reopen_stdout(struct commit *commit, struct rev_info *rev)
                strbuf_addstr(&filename, output_directory);
                if (filename.len >=
                    PATH_MAX - FORMAT_PATCH_NAME_MAX - suffix_len)
-                       return error("name of output directory is too long");
+                       return error(_("name of output directory is too long"));
                if (filename.buf[filename.len - 1] != '/')
                        strbuf_addch(&filename, '/');
        }
 
        get_patch_filename(commit, rev->nr, fmt_patch_suffix, &filename);
 
-       if (!DIFF_OPT_TST(&rev->diffopt, QUICK))
+       if (!quiet)
                fprintf(realstdout, "%s\n", filename.buf + outdir_offset);
 
        if (freopen(filename.buf, "w", stdout) == NULL)
-               return error("Cannot open patch file %s", filename.buf);
+               return error(_("Cannot open patch file %s"), filename.buf);
 
        strbuf_release(&filename);
        return 0;
@@ -657,7 +695,7 @@ static void get_patch_ids(struct rev_info *rev, struct patch_ids *ids, const cha
        unsigned flags1, flags2;
 
        if (rev->pending.nr != 2)
-               die("Need exactly one range.");
+               die(_("Need exactly one range."));
 
        o1 = rev->pending.objects[0].item;
        flags1 = o1->flags;
@@ -665,7 +703,7 @@ static void get_patch_ids(struct rev_info *rev, struct patch_ids *ids, const cha
        flags2 = o2->flags;
 
        if ((flags1 & UNINTERESTING) == (flags2 & UNINTERESTING))
-               die("Not a range.");
+               die(_("Not a range."));
 
        init_patch_ids(ids);
 
@@ -676,7 +714,7 @@ static void get_patch_ids(struct rev_info *rev, struct patch_ids *ids, const cha
        add_pending_object(&check_rev, o1, "o1");
        add_pending_object(&check_rev, o2, "o2");
        if (prepare_revision_walk(&check_rev))
-               die("revision walk setup failed");
+               die(_("revision walk setup failed"));
 
        while ((commit = get_revision(&check_rev)) != NULL) {
                /* ignore merges */
@@ -702,7 +740,7 @@ static void gen_message_id(struct rev_info *info, char *base)
        const char *email_end = strrchr(committer, '>');
        struct strbuf buf = STRBUF_INIT;
        if (!email_start || !email_end || email_start > email_end - 1)
-               die("Could not extract email from committer identity.");
+               die(_("Could not extract email from committer identity."));
        strbuf_addf(&buf, "%s.%lu.git.%.*s", base,
                    (unsigned long) time(NULL),
                    (int)(email_end - email_start - 1), email_start + 1);
@@ -718,7 +756,8 @@ static void print_signature(void)
 static void make_cover_letter(struct rev_info *rev, int use_stdout,
                              int numbered, int numbered_files,
                              struct commit *origin,
-                             int nr, struct commit **list, struct commit *head)
+                             int nr, struct commit **list, struct commit *head,
+                             int quiet)
 {
        const char *committer;
        const char *subject_start = NULL;
@@ -734,7 +773,7 @@ static void make_cover_letter(struct rev_info *rev, int use_stdout,
        struct commit *commit = NULL;
 
        if (rev->commit_format != CMIT_FMT_EMAIL)
-               die("Cover letter needs email format");
+               die(_("Cover letter needs email format"));
 
        committer = git_committer_info(0);
 
@@ -754,7 +793,7 @@ static void make_cover_letter(struct rev_info *rev, int use_stdout,
                        sha1_to_hex(head->object.sha1), committer, committer);
        }
 
-       if (!use_stdout && reopen_stdout(commit, rev))
+       if (!use_stdout && reopen_stdout(commit, rev, quiet))
                return;
 
        if (commit) {
@@ -827,7 +866,7 @@ static const char *clean_message_id(const char *msg_id)
                m++;
        }
        if (!z)
-               die("insane in-reply-to: %s", msg_id);
+               die(_("insane in-reply-to: %s"), msg_id);
        if (++z == m)
                return a;
        return xmemdupz(a, z - a);
@@ -900,7 +939,7 @@ static int output_directory_callback(const struct option *opt, const char *arg,
 {
        const char **dir = (const char **)opt->value;
        if (*dir)
-               die("Two output directories?");
+               die(_("Two output directories?"));
        *dir = arg;
        return 0;
 }
@@ -995,6 +1034,7 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
        char *add_signoff = NULL;
        struct strbuf buf = STRBUF_INIT;
        int use_patch_format = 0;
+       int quiet = 0;
        const struct option builtin_format_patch_options[] = {
                { OPTION_CALLBACK, 'n', "numbered", &numbered, NULL,
                            "use [PATCH n/m] even with a single patch",
@@ -1050,6 +1090,8 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
                            PARSE_OPT_OPTARG, thread_callback },
                OPT_STRING(0, "signature", &signature, "signature",
                            "add a signature"),
+               OPT_BOOLEAN(0, "quiet", &quiet,
+                           "don't print the patch filenames"),
                OPT_END()
        };
 
@@ -1061,7 +1103,7 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
        rev.commit_format = CMIT_FMT_EMAIL;
        rev.verbose_header = 1;
        rev.diff = 1;
-       rev.no_merges = 1;
+       rev.max_parents = 1;
        DIFF_OPT_SET(&rev.diffopt, RECURSIVE);
        rev.subject_prefix = fmt_patch_subject_prefix;
        memset(&s_r_opt, 0, sizeof(s_r_opt));
@@ -1088,7 +1130,7 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
                committer = git_committer_info(IDENT_ERROR_ON_NO_NAME);
                endpos = strchr(committer, '>');
                if (!endpos)
-                       die("bogus committer info %s", committer);
+                       die(_("bogus committer info %s"), committer);
                add_signoff = xmemdupz(committer, endpos - committer + 1);
        }
 
@@ -1133,20 +1175,20 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
                numbered = 0;
 
        if (numbered && keep_subject)
-               die ("-n and -k are mutually exclusive.");
+               die (_("-n and -k are mutually exclusive."));
        if (keep_subject && subject_prefix)
-               die ("--subject-prefix and -k are mutually exclusive.");
+               die (_("--subject-prefix and -k are mutually exclusive."));
 
        argc = setup_revisions(argc, argv, &rev, &s_r_opt);
        if (argc > 1)
-               die ("unrecognized argument: %s", argv[1]);
+               die (_("unrecognized argument: %s"), argv[1]);
 
        if (rev.diffopt.output_format & DIFF_FORMAT_NAME)
-               die("--name-only does not make sense");
+               die(_("--name-only does not make sense"));
        if (rev.diffopt.output_format & DIFF_FORMAT_NAME_STATUS)
-               die("--name-status does not make sense");
+               die(_("--name-status does not make sense"));
        if (rev.diffopt.output_format & DIFF_FORMAT_CHECKDIFF)
-               die("--check does not make sense");
+               die(_("--check does not make sense"));
 
        if (!use_patch_format &&
                (!rev.diffopt.output_format ||
@@ -1169,9 +1211,9 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
 
        if (output_directory) {
                if (use_stdout)
-                       die("standard output, or directory, which one?");
+                       die(_("standard output, or directory, which one?"));
                if (mkdir(output_directory, 0777) < 0 && errno != EEXIST)
-                       die_errno("Could not create directory '%s'",
+                       die_errno(_("Could not create directory '%s'"),
                                  output_directory);
        }
 
@@ -1225,7 +1267,7 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
                realstdout = xfdopen(xdup(1), "w");
 
        if (prepare_revision_walk(&rev))
-               die("revision walk setup failed");
+               die(_("revision walk setup failed"));
        rev.boundary = 1;
        while ((commit = get_revision(&rev)) != NULL) {
                if (commit->object.flags & BOUNDARY) {
@@ -1259,7 +1301,7 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
                if (thread)
                        gen_message_id(&rev, "cover");
                make_cover_letter(&rev, use_stdout, numbered, numbered_files,
-                                 origin, nr, list, head);
+                                 origin, nr, list, head, quiet);
                total++;
                start_number--;
        }
@@ -1305,8 +1347,8 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
                }
 
                if (!use_stdout && reopen_stdout(numbered_files ? NULL : commit,
-                                                &rev))
-                       die("Failed to create output files");
+                                                &rev, quiet))
+                       die(_("Failed to create output files"));
                shown = log_tree_commit(&rev, commit);
                free(commit->buffer);
                commit->buffer = NULL;
@@ -1410,9 +1452,9 @@ int cmd_cherry(int argc, const char **argv, const char *prefix)
                if (!current_branch || !current_branch->merge
                                        || !current_branch->merge[0]
                                        || !current_branch->merge[0]->dst) {
-                       fprintf(stderr, "Could not find a tracked"
+                       fprintf(stderr, _("Could not find a tracked"
                                        " remote branch, please"
-                                       " specify <upstream> manually.\n");
+                                       " specify <upstream> manually.\n"));
                        usage_with_options(cherry_usage, options);
                }
 
@@ -1426,9 +1468,9 @@ int cmd_cherry(int argc, const char **argv, const char *prefix)
        DIFF_OPT_SET(&revs.diffopt, RECURSIVE);
 
        if (add_pending_commit(head, &revs, 0))
-               die("Unknown commit %s", head);
+               die(_("Unknown commit %s"), head);
        if (add_pending_commit(upstream, &revs, UNINTERESTING))
-               die("Unknown commit %s", upstream);
+               die(_("Unknown commit %s"), upstream);
 
        /* Don't say anything if head and upstream are the same. */
        if (revs.pending.nr == 2) {
@@ -1440,11 +1482,11 @@ int cmd_cherry(int argc, const char **argv, const char *prefix)
        get_patch_ids(&revs, &ids, prefix);
 
        if (limit && add_pending_commit(limit, &revs, UNINTERESTING))
-               die("Unknown commit %s", limit);
+               die(_("Unknown commit %s"), limit);
 
        /* reverse the list of commits */
        if (prepare_revision_walk(&revs))
-               die("revision walk setup failed");
+               die(_("revision walk setup failed"));
        while ((commit = get_revision(&revs)) != NULL) {
                /* ignore merges */
                if (commit->parents && commit->parents->next)