Merge branch 'sb/submodule-ignore-trailing-slash'
[gitweb.git] / builtin / log.c
index 099f4f7be92c6d4371dcc8cba1322351c6840439..55d20cc2d88ab03d96f0476b222be3b2f6832ed9 100644 (file)
@@ -33,6 +33,7 @@ static const char *default_date_mode = NULL;
 static int default_abbrev_commit;
 static int default_show_root = 1;
 static int default_follow;
+static int default_show_signature;
 static int decoration_style;
 static int decoration_given;
 static int use_mailmap_config;
@@ -119,6 +120,7 @@ static void cmd_log_init_defaults(struct rev_info *rev)
        rev->abbrev_commit = default_abbrev_commit;
        rev->show_root_diff = default_show_root;
        rev->subject_prefix = fmt_patch_subject_prefix;
+       rev->show_signature = default_show_signature;
        DIFF_OPT_SET(&rev->diffopt, ALLOW_TEXTCONV);
 
        if (default_date_mode)
@@ -236,16 +238,17 @@ 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);
+       fprintf(rev->diffopt.file, _("Final output: %d %s\n"), nr, stage);
 }
 
 static struct itimerval early_output_timer;
 
 static void log_show_early(struct rev_info *revs, struct commit_list *list)
 {
-       int i = revs->early_output;
+       int i = revs->early_output, close_file = revs->diffopt.close_file;
        int show_header = 1;
 
+       revs->diffopt.close_file = 0;
        sort_in_topological_order(&list, revs->sort_order);
        while (list && i) {
                struct commit *commit = list->item;
@@ -262,14 +265,19 @@ static void log_show_early(struct rev_info *revs, struct commit_list *list)
                case commit_ignore:
                        break;
                case commit_error:
+                       if (close_file)
+                               fclose(revs->diffopt.file);
                        return;
                }
                list = list->next;
        }
 
        /* Did we already get enough commits for the early output? */
-       if (!i)
+       if (!i) {
+               if (close_file)
+                       fclose(revs->diffopt.file);
                return;
+       }
 
        /*
         * ..if no, then repeat it twice a second until we
@@ -331,7 +339,7 @@ static int cmd_log_walk(struct rev_info *rev)
 {
        struct commit *commit;
        int saved_nrl = 0;
-       int saved_dcctc = 0;
+       int saved_dcctc = 0, close_file = rev->diffopt.close_file;
 
        if (rev->early_output)
                setup_early_output(rev);
@@ -347,6 +355,7 @@ static int cmd_log_walk(struct rev_info *rev)
         * and HAS_CHANGES being accumulated in rev->diffopt, so be careful to
         * retain that state information if replacing rev->diffopt in this loop
         */
+       rev->diffopt.close_file = 0;
        while ((commit = get_revision(rev)) != NULL) {
                if (!log_tree_commit(rev, commit) && rev->max_count >= 0)
                        /*
@@ -367,6 +376,8 @@ static int cmd_log_walk(struct rev_info *rev)
        }
        rev->diffopt.degraded_cc_to_c = saved_dcctc;
        rev->diffopt.needed_rename_limit = saved_nrl;
+       if (close_file)
+               fclose(rev->diffopt.file);
 
        if (rev->diffopt.output_format & DIFF_FORMAT_CHECKDIFF &&
            DIFF_OPT_TST(&rev->diffopt, CHECK_FAILED)) {
@@ -409,6 +420,10 @@ static int git_log_config(const char *var, const char *value, void *cb)
                use_mailmap_config = git_config_bool(var, value);
                return 0;
        }
+       if (!strcmp(var, "log.showsignature")) {
+               default_show_signature = git_config_bool(var, value);
+               return 0;
+       }
 
        if (grep_config(var, value, cb) < 0)
                return -1;
@@ -445,27 +460,27 @@ static void show_tagger(char *buf, int len, struct rev_info *rev)
        pp.fmt = rev->commit_format;
        pp.date_mode = rev->date_mode;
        pp_user_info(&pp, "Tagger", &out, buf, get_log_output_encoding());
-       printf("%s", out.buf);
+       fprintf(rev->diffopt.file, "%s", out.buf);
        strbuf_release(&out);
 }
 
-static int show_blob_object(const unsigned char *sha1, struct rev_info *rev, const char *obj_name)
+static int show_blob_object(const struct object_id *oid, struct rev_info *rev, const char *obj_name)
 {
-       unsigned char sha1c[20];
+       struct object_id oidc;
        struct object_context obj_context;
        char *buf;
        unsigned long size;
 
-       fflush(stdout);
+       fflush(rev->diffopt.file);
        if (!DIFF_OPT_TOUCHED(&rev->diffopt, ALLOW_TEXTCONV) ||
            !DIFF_OPT_TST(&rev->diffopt, ALLOW_TEXTCONV))
-               return stream_blob_to_fd(1, sha1, NULL, 0);
+               return stream_blob_to_fd(1, oid, NULL, 0);
 
-       if (get_sha1_with_context(obj_name, 0, sha1c, &obj_context))
+       if (get_sha1_with_context(obj_name, 0, oidc.hash, &obj_context))
                die(_("Not a valid object name %s"), obj_name);
        if (!obj_context.path[0] ||
-           !textconv_object(obj_context.path, obj_context.mode, sha1c, 1, &buf, &size))
-               return stream_blob_to_fd(1, sha1, NULL, 0);
+           !textconv_object(obj_context.path, obj_context.mode, &oidc, 1, &buf, &size))
+               return stream_blob_to_fd(1, oid, NULL, 0);
 
        if (!buf)
                die(_("git show %s: bad file"), obj_name);
@@ -474,15 +489,15 @@ static int show_blob_object(const unsigned char *sha1, struct rev_info *rev, con
        return 0;
 }
 
-static int show_tag_object(const unsigned char *sha1, struct rev_info *rev)
+static int show_tag_object(const struct object_id *oid, struct rev_info *rev)
 {
        unsigned long size;
        enum object_type type;
-       char *buf = read_sha1_file(sha1, &type, &size);
+       char *buf = read_sha1_file(oid->hash, &type, &size);
        int offset = 0;
 
        if (!buf)
-               return error(_("Could not read object %s"), sha1_to_hex(sha1));
+               return error(_("Could not read object %s"), oid_to_hex(oid));
 
        assert(type == OBJ_TAG);
        while (offset < size && buf[offset] != '\n') {
@@ -496,7 +511,7 @@ static int show_tag_object(const unsigned char *sha1, struct rev_info *rev)
        }
 
        if (offset < size)
-               fwrite(buf + offset, size - offset, 1, stdout);
+               fwrite(buf + offset, size - offset, 1, rev->diffopt.file);
        free(buf);
        return 0;
 }
@@ -505,7 +520,8 @@ static int show_tree_object(const unsigned char *sha1,
                struct strbuf *base,
                const char *pathname, unsigned mode, int stage, void *context)
 {
-       printf("%s%s\n", pathname, S_ISDIR(mode) ? "/" : "");
+       FILE *file = context;
+       fprintf(file, "%s%s\n", pathname, S_ISDIR(mode) ? "/" : "");
        return 0;
 }
 
@@ -558,18 +574,18 @@ int cmd_show(int argc, const char **argv, const char *prefix)
                const char *name = objects[i].name;
                switch (o->type) {
                case OBJ_BLOB:
-                       ret = show_blob_object(o->oid.hash, &rev, name);
+                       ret = show_blob_object(&o->oid, &rev, name);
                        break;
                case OBJ_TAG: {
                        struct tag *t = (struct tag *)o;
 
                        if (rev.shown_one)
                                putchar('\n');
-                       printf("%stag %s%s\n",
+                       fprintf(rev.diffopt.file, "%stag %s%s\n",
                                        diff_get_color_opt(&rev.diffopt, DIFF_COMMIT),
                                        t->tag,
                                        diff_get_color_opt(&rev.diffopt, DIFF_RESET));
-                       ret = show_tag_object(o->oid.hash, &rev);
+                       ret = show_tag_object(&o->oid, &rev);
                        rev.shown_one = 1;
                        if (ret)
                                break;
@@ -584,12 +600,12 @@ int cmd_show(int argc, const char **argv, const char *prefix)
                case OBJ_TREE:
                        if (rev.shown_one)
                                putchar('\n');
-                       printf("%stree %s%s\n\n",
+                       fprintf(rev.diffopt.file, "%stree %s%s\n\n",
                                        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, &match_all,
-                                       show_tree_object, NULL);
+                                       show_tree_object, rev.diffopt.file);
                        rev.shown_one = 1;
                        break;
                case OBJ_COMMIT:
@@ -674,9 +690,9 @@ static int auto_number = 1;
 
 static char *default_attach = NULL;
 
-static struct string_list extra_hdr;
-static struct string_list extra_to;
-static struct string_list extra_cc;
+static struct string_list extra_hdr = STRING_LIST_INIT_NODUP;
+static struct string_list extra_to = STRING_LIST_INIT_NODUP;
+static struct string_list extra_cc = STRING_LIST_INIT_NODUP;
 
 static void add_header(const char *value)
 {
@@ -703,6 +719,7 @@ static void add_header(const char *value)
 static int thread;
 static int do_signoff;
 static int base_auto;
+static char *from;
 static const char *signature = git_version_string;
 static const char *signature_file;
 static int config_cover_letter;
@@ -791,15 +808,25 @@ static int git_format_config(const char *var, const char *value, void *cb)
                base_auto = git_config_bool(var, value);
                return 0;
        }
+       if (!strcmp(var, "format.from")) {
+               int b = git_config_maybe_bool(var, value);
+               free(from);
+               if (b < 0)
+                       from = xstrdup(value);
+               else if (b)
+                       from = xstrdup(git_committer_info(IDENT_NO_DATE));
+               else
+                       from = NULL;
+               return 0;
+       }
 
        return git_log_config(var, value, cb);
 }
 
-static FILE *realstdout = NULL;
 static const char *output_directory = NULL;
 static int outdir_offset;
 
-static int reopen_stdout(struct commit *commit, const char *subject,
+static int open_next_file(struct commit *commit, const char *subject,
                         struct rev_info *rev, int quiet)
 {
        struct strbuf filename = STRBUF_INIT;
@@ -821,9 +848,9 @@ static int reopen_stdout(struct commit *commit, const char *subject,
                fmt_output_subject(&filename, subject, rev);
 
        if (!quiet)
-               fprintf(realstdout, "%s\n", filename.buf + outdir_offset);
+               printf("%s\n", filename.buf + outdir_offset);
 
-       if (freopen(filename.buf, "w", stdout) == NULL)
+       if ((rev->diffopt.file = fopen(filename.buf, "w")) == NULL)
                return error(_("Cannot open patch file %s"), filename.buf);
 
        strbuf_release(&filename);
@@ -882,15 +909,15 @@ static void gen_message_id(struct rev_info *info, char *base)
        info->message_id = strbuf_detach(&buf, NULL);
 }
 
-static void print_signature(void)
+static void print_signature(FILE *file)
 {
        if (!signature || !*signature)
                return;
 
-       printf("-- \n%s", signature);
+       fprintf(file, "-- \n%s", signature);
        if (signature[strlen(signature)-1] != '\n')
-               putchar('\n');
-       putchar('\n');
+               putc('\n', file);
+       putc('\n', file);
 }
 
 static void add_branch_description(struct strbuf *buf, const char *branch_name)
@@ -953,13 +980,13 @@ static void make_cover_letter(struct rev_info *rev, int use_stdout,
        struct pretty_print_context pp = {0};
        struct commit *head = list[0];
 
-       if (rev->commit_format != CMIT_FMT_EMAIL)
+       if (!cmit_fmt_is_mail(rev->commit_format))
                die(_("Cover letter needs email format"));
 
        committer = git_committer_info(0);
 
        if (!use_stdout &&
-           reopen_stdout(NULL, rev->numbered_files ? NULL : "cover-letter", rev, quiet))
+           open_next_file(NULL, rev->numbered_files ? NULL : "cover-letter", rev, quiet))
                return;
 
        log_write_email_headers(rev, head, &pp.subject, &pp.after_subject,
@@ -982,7 +1009,7 @@ static void make_cover_letter(struct rev_info *rev, int use_stdout,
        pp_title_line(&pp, &msg, &sb, encoding, need_8bit_cte);
        pp_remainder(&pp, &msg, &sb, 0);
        add_branch_description(&sb, branch_name);
-       printf("%s\n", sb.buf);
+       fprintf(rev->diffopt.file, "%s\n", sb.buf);
 
        strbuf_release(&sb);
 
@@ -991,6 +1018,7 @@ static void make_cover_letter(struct rev_info *rev, int use_stdout,
        log.wrap = 72;
        log.in1 = 2;
        log.in2 = 4;
+       log.file = rev->diffopt.file;
        for (i = 0; i < nr; i++)
                shortlog_add_commit(&log, list[i]);
 
@@ -1013,8 +1041,7 @@ static void make_cover_letter(struct rev_info *rev, int use_stdout,
        diffcore_std(&opts);
        diff_flush(&opts);
 
-       printf("\n");
-       print_signature();
+       fprintf(rev->diffopt.file, "\n");
 }
 
 static const char *clean_message_id(const char *msg_id)
@@ -1084,6 +1111,11 @@ static int subject_prefix_callback(const struct option *opt, const char *arg,
        return 0;
 }
 
+static int rfc_callback(const struct option *opt, const char *arg, int unset)
+{
+       return subject_prefix_callback(opt, "RFC PATCH", unset);
+}
+
 static int numbered_cmdline_opt = 0;
 
 static int numbered_callback(const struct option *opt, const char *arg,
@@ -1220,11 +1252,11 @@ static struct commit *get_base_commit(const char *base_commit,
                if (upstream) {
                        struct commit_list *base_list;
                        struct commit *commit;
-                       unsigned char sha1[20];
+                       struct object_id oid;
 
-                       if (get_sha1(upstream, sha1))
+                       if (get_oid(upstream, &oid))
                                die(_("Failed to resolve '%s' as a valid ref."), upstream);
-                       commit = lookup_commit_or_die(sha1, "upstream base");
+                       commit = lookup_commit_or_die(oid.hash, "upstream base");
                        base_list = get_merge_bases_many(commit, total, list);
                        /* There should be one and only one merge base. */
                        if (!base_list || base_list->next)
@@ -1311,20 +1343,20 @@ static void prepare_bases(struct base_tree_info *bases,
         * and stuff them in bases structure.
         */
        while ((commit = get_revision(&revs)) != NULL) {
-               unsigned char sha1[20];
+               struct object_id oid;
                struct object_id *patch_id;
                if (commit->util)
                        continue;
-               if (commit_patch_id(commit, &diffopt, sha1))
+               if (commit_patch_id(commit, &diffopt, oid.hash, 0))
                        die(_("cannot get patch id"));
                ALLOC_GROW(bases->patch_id, bases->nr_patch_id + 1, bases->alloc_patch_id);
                patch_id = bases->patch_id + bases->nr_patch_id;
-               hashcpy(patch_id->hash, sha1);
+               oidcpy(patch_id, &oid);
                bases->nr_patch_id++;
        }
 }
 
-static void print_bases(struct base_tree_info *bases)
+static void print_bases(struct base_tree_info *bases, FILE *file)
 {
        int i;
 
@@ -1333,11 +1365,11 @@ static void print_bases(struct base_tree_info *bases)
                return;
 
        /* Show the base commit */
-       printf("base-commit: %s\n", oid_to_hex(&bases->base_commit));
+       fprintf(file, "\nbase-commit: %s\n", oid_to_hex(&bases->base_commit));
 
        /* Show the prerequisite patches */
        for (i = bases->nr_patch_id - 1; i >= 0; i--)
-               printf("prerequisite-patch-id: %s\n", oid_to_hex(&bases->patch_id[i]));
+               fprintf(file, "prerequisite-patch-id: %s\n", oid_to_hex(&bases->patch_id[i]));
 
        free(bases->patch_id);
        bases->nr_patch_id = 0;
@@ -1368,7 +1400,6 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
        int quiet = 0;
        int reroll_count = -1;
        char *branch_name = NULL;
-       char *from = NULL;
        char *base_commit = NULL;
        struct base_tree_info bases;
 
@@ -1392,6 +1423,9 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
                            N_("start numbering patches at <n> instead of 1")),
                OPT_INTEGER('v', "reroll-count", &reroll_count,
                            N_("mark the series as Nth re-roll")),
+               { OPTION_CALLBACK, 0, "rfc", &rev, NULL,
+                           N_("Use [RFC PATCH] instead of [PATCH]"),
+                           PARSE_OPT_NOARG | PARSE_OPT_NONEG, rfc_callback },
                { OPTION_CALLBACK, 0, "subject-prefix", &rev, N_("prefix"),
                            N_("Use [<prefix>] instead of [PATCH]"),
                            PARSE_OPT_NONEG, subject_prefix_callback },
@@ -1530,7 +1564,7 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
        if (numbered && keep_subject)
                die (_("-n and -k are mutually exclusive."));
        if (keep_subject && subject_prefix)
-               die (_("--subject-prefix and -k are mutually exclusive."));
+               die (_("--subject-prefix/--rfc and -k are mutually exclusive."));
        rev.preserve_subject = keep_subject;
 
        argc = setup_revisions(argc, argv, &rev, &s_r_opt);
@@ -1569,6 +1603,8 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
                setup_pager();
 
        if (output_directory) {
+               if (rev.diffopt.use_color != GIT_COLOR_ALWAYS)
+                       rev.diffopt.use_color = GIT_COLOR_NEVER;
                if (use_stdout)
                        die(_("standard output, or directory, which one?"));
                if (mkdir(output_directory, 0777) < 0 && errno != EEXIST)
@@ -1599,10 +1635,10 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
                        check_head = 1;
 
                if (check_head) {
-                       unsigned char sha1[20];
+                       struct object_id oid;
                        const char *ref, *v;
                        ref = resolve_ref_unsafe("HEAD", RESOLVE_REF_READING,
-                                                sha1, NULL);
+                                                oid.hash, NULL);
                        if (ref && skip_prefix(ref, "refs/heads/", &v))
                                branch_name = xstrdup(v);
                        else
@@ -1626,9 +1662,6 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
                get_patch_ids(&rev, &ids);
        }
 
-       if (!use_stdout)
-               realstdout = xfdopen(xdup(1), "w");
-
        if (prepare_revision_walk(&rev))
                die(_("revision walk setup failed"));
        rev.boundary = 1;
@@ -1650,16 +1683,16 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
                /* nothing to do */
                return 0;
        total = nr;
-       if (!keep_subject && auto_number && total > 1)
-               numbered = 1;
-       if (numbered)
-               rev.total = total + start_number - 1;
        if (cover_letter == -1) {
                if (config_cover_letter == COVER_AUTO)
                        cover_letter = (total > 1);
                else
                        cover_letter = (config_cover_letter == COVER_ON);
        }
+       if (!keep_subject && auto_number && (total > 1 || cover_letter))
+               numbered = 1;
+       if (numbered)
+               rev.total = total + start_number - 1;
 
        if (!signature) {
                ; /* --no-signature inhibits all signatures */
@@ -1693,7 +1726,8 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
                        gen_message_id(&rev, "cover");
                make_cover_letter(&rev, use_stdout,
                                  origin, nr, list, branch_name, quiet);
-               print_bases(&bases);
+               print_bases(&bases, rev.diffopt.file);
+               print_signature(rev.diffopt.file);
                total++;
                start_number--;
        }
@@ -1739,7 +1773,7 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
                }
 
                if (!use_stdout &&
-                   reopen_stdout(rev.numbered_files ? NULL : commit, NULL, &rev, quiet))
+                   open_next_file(rev.numbered_files ? NULL : commit, NULL, &rev, quiet))
                        die(_("Failed to create output files"));
                shown = log_tree_commit(&rev, commit);
                free_commit_buffer(commit);
@@ -1753,16 +1787,16 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
                if (!use_stdout)
                        rev.shown_one = 0;
                if (shown) {
+                       print_bases(&bases, rev.diffopt.file);
                        if (rev.mime_boundary)
-                               printf("\n--%s%s--\n\n\n",
+                               fprintf(rev.diffopt.file, "\n--%s%s--\n\n\n",
                                       mime_boundary_leader,
                                       rev.mime_boundary);
                        else
-                               print_signature();
-                       print_bases(&bases);
+                               print_signature(rev.diffopt.file);
                }
                if (!use_stdout)
-                       fclose(stdout);
+                       fclose(rev.diffopt.file);
        }
        free(list);
        free(branch_name);
@@ -1776,9 +1810,9 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
 
 static int add_pending_commit(const char *arg, struct rev_info *revs, int flags)
 {
-       unsigned char sha1[20];
-       if (get_sha1(arg, sha1) == 0) {
-               struct commit *commit = lookup_commit_reference(sha1);
+       struct object_id oid;
+       if (get_oid(arg, &oid) == 0) {
+               struct commit *commit = lookup_commit_reference(oid.hash);
                if (commit) {
                        commit->object.flags |= flags;
                        add_pending_object(revs, &commit->object, arg);
@@ -1794,15 +1828,15 @@ static const char * const cherry_usage[] = {
 };
 
 static void print_commit(char sign, struct commit *commit, int verbose,
-                        int abbrev)
+                        int abbrev, FILE *file)
 {
        if (!verbose) {
-               printf("%c %s\n", sign,
+               fprintf(file, "%c %s\n", sign,
                       find_unique_abbrev(commit->object.oid.hash, abbrev));
        } else {
                struct strbuf buf = STRBUF_INIT;
                pp_commit_easy(CMIT_FMT_ONELINE, commit, &buf);
-               printf("%c %s %s\n", sign,
+               fprintf(file, "%c %s %s\n", sign,
                       find_unique_abbrev(commit->object.oid.hash, abbrev),
                       buf.buf);
                strbuf_release(&buf);
@@ -1883,7 +1917,7 @@ int cmd_cherry(int argc, const char **argv, const char *prefix)
                commit = list->item;
                if (has_commit_patch_id(commit, &ids))
                        sign = '-';
-               print_commit(sign, commit, verbose, abbrev);
+               print_commit(sign, commit, verbose, abbrev, revs.diffopt.file);
                list = list->next;
        }