i18n: submodule: join strings marked for translation
[gitweb.git] / builtin / log.c
index a491d3dea0e412624e7212060658e22a421cdfbf..099f4f7be92c6d4371dcc8cba1322351c6840439 100644 (file)
@@ -100,6 +100,12 @@ static int log_line_range_callback(const struct option *option, const char *arg,
        return 0;
 }
 
+static void init_log_defaults(void)
+{
+       init_grep_defaults();
+       init_diff_ui_defaults();
+}
+
 static void cmd_log_init_defaults(struct rev_info *rev)
 {
        if (fmt_pretty)
@@ -416,7 +422,7 @@ int cmd_whatchanged(int argc, const char **argv, const char *prefix)
        struct rev_info rev;
        struct setup_revision_opt opt;
 
-       init_grep_defaults();
+       init_log_defaults();
        git_config(git_log_config, NULL);
 
        init_revisions(&rev, prefix);
@@ -527,7 +533,7 @@ int cmd_show(int argc, const char **argv, const char *prefix)
        struct pathspec match_all;
        int i, count, ret = 0;
 
-       init_grep_defaults();
+       init_log_defaults();
        git_config(git_log_config, NULL);
 
        memset(&match_all, 0, sizeof(match_all));
@@ -552,7 +558,7 @@ 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->sha1, &rev, name);
+                       ret = show_blob_object(o->oid.hash, &rev, name);
                        break;
                case OBJ_TAG: {
                        struct tag *t = (struct tag *)o;
@@ -563,14 +569,14 @@ int cmd_show(int argc, const char **argv, const char *prefix)
                                        diff_get_color_opt(&rev.diffopt, DIFF_COMMIT),
                                        t->tag,
                                        diff_get_color_opt(&rev.diffopt, DIFF_RESET));
-                       ret = show_tag_object(o->sha1, &rev);
+                       ret = show_tag_object(o->oid.hash, &rev);
                        rev.shown_one = 1;
                        if (ret)
                                break;
-                       o = parse_object(t->tagged->sha1);
+                       o = parse_object(t->tagged->oid.hash);
                        if (!o)
                                ret = error(_("Could not read object %s"),
-                                           sha1_to_hex(t->tagged->sha1));
+                                           oid_to_hex(&t->tagged->oid));
                        objects[i].item = o;
                        i--;
                        break;
@@ -608,7 +614,7 @@ int cmd_log_reflog(int argc, const char **argv, const char *prefix)
        struct rev_info rev;
        struct setup_revision_opt opt;
 
-       init_grep_defaults();
+       init_log_defaults();
        git_config(git_log_config, NULL);
 
        init_revisions(&rev, prefix);
@@ -647,7 +653,7 @@ int cmd_log(int argc, const char **argv, const char *prefix)
        struct rev_info rev;
        struct setup_revision_opt opt;
 
-       init_grep_defaults();
+       init_log_defaults();
        git_config(git_log_config, NULL);
 
        init_revisions(&rev, prefix);
@@ -696,9 +702,11 @@ static void add_header(const char *value)
 #define THREAD_DEEP 2
 static int thread;
 static int do_signoff;
+static int base_auto;
 static const char *signature = git_version_string;
 static const char *signature_file;
 static int config_cover_letter;
+static const char *config_output_directory;
 
 enum {
        COVER_UNSET,
@@ -777,6 +785,12 @@ static int git_format_config(const char *var, const char *value, void *cb)
                config_cover_letter = git_config_bool(var, value) ? COVER_ON : COVER_OFF;
                return 0;
        }
+       if (!strcmp(var, "format.outputdirectory"))
+               return git_config_string(&config_output_directory, var, value);
+       if (!strcmp(var, "format.useautobase")) {
+               base_auto = git_config_bool(var, value);
+               return 0;
+       }
 
        return git_log_config(var, value, cb);
 }
@@ -796,8 +810,7 @@ static int reopen_stdout(struct commit *commit, const char *subject,
                if (filename.len >=
                    PATH_MAX - FORMAT_PATCH_NAME_MAX - suffix_len)
                        return error(_("name of output directory is too long"));
-               if (filename.buf[filename.len - 1] != '/')
-                       strbuf_addch(&filename, '/');
+               strbuf_complete(&filename, '/');
        }
 
        if (rev->numbered_files)
@@ -831,8 +844,8 @@ static void get_patch_ids(struct rev_info *rev, struct patch_ids *ids)
        o2 = rev->pending.objects[1].item;
        flags1 = o1->flags;
        flags2 = o2->flags;
-       c1 = lookup_commit_reference(o1->sha1);
-       c2 = lookup_commit_reference(o2->sha1);
+       c1 = lookup_commit_reference(o1->oid.hash);
+       c2 = lookup_commit_reference(o2->oid.hash);
 
        if ((flags1 & UNINTERESTING) == (flags2 & UNINTERESTING))
                die(_("Not a range."));
@@ -897,8 +910,8 @@ static void add_branch_description(struct strbuf *buf, const char *branch_name)
 static char *find_branch_name(struct rev_info *rev)
 {
        int i, positive = -1;
-       unsigned char branch_sha1[20];
-       const unsigned char *tip_sha1;
+       struct object_id branch_oid;
+       const struct object_id *tip_oid;
        const char *ref, *v;
        char *full_ref, *branch = NULL;
 
@@ -913,10 +926,10 @@ static char *find_branch_name(struct rev_info *rev)
        if (positive < 0)
                return NULL;
        ref = rev->cmdline.rev[positive].name;
-       tip_sha1 = rev->cmdline.rev[positive].item->sha1;
-       if (dwim_ref(ref, strlen(ref), branch_sha1, &full_ref) &&
+       tip_oid = &rev->cmdline.rev[positive].item->oid;
+       if (dwim_ref(ref, strlen(ref), branch_oid.hash, &full_ref) &&
            skip_prefix(full_ref, "refs/heads/", &v) &&
-           !hashcmp(tip_sha1, branch_sha1))
+           !oidcmp(tip_oid, &branch_oid))
                branch = xstrdup(v);
        free(full_ref);
        return branch;
@@ -994,8 +1007,8 @@ static void make_cover_letter(struct rev_info *rev, int use_stdout,
 
        diff_setup_done(&opts);
 
-       diff_tree_sha1(origin->tree->object.sha1,
-                      head->tree->object.sha1,
+       diff_tree_sha1(origin->tree->object.oid.hash,
+                      head->tree->object.oid.hash,
                       "", &opts);
        diffcore_std(&opts);
        diff_flush(&opts);
@@ -1183,6 +1196,155 @@ static int from_callback(const struct option *opt, const char *arg, int unset)
        return 0;
 }
 
+struct base_tree_info {
+       struct object_id base_commit;
+       int nr_patch_id, alloc_patch_id;
+       struct object_id *patch_id;
+};
+
+static struct commit *get_base_commit(const char *base_commit,
+                                     struct commit **list,
+                                     int total)
+{
+       struct commit *base = NULL;
+       struct commit **rev;
+       int i = 0, rev_nr = 0;
+
+       if (base_commit && strcmp(base_commit, "auto")) {
+               base = lookup_commit_reference_by_name(base_commit);
+               if (!base)
+                       die(_("Unknown commit %s"), base_commit);
+       } else if ((base_commit && !strcmp(base_commit, "auto")) || base_auto) {
+               struct branch *curr_branch = branch_get(NULL);
+               const char *upstream = branch_get_upstream(curr_branch, NULL);
+               if (upstream) {
+                       struct commit_list *base_list;
+                       struct commit *commit;
+                       unsigned char sha1[20];
+
+                       if (get_sha1(upstream, sha1))
+                               die(_("Failed to resolve '%s' as a valid ref."), upstream);
+                       commit = lookup_commit_or_die(sha1, "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)
+                               die(_("Could not find exact merge base."));
+                       base = base_list->item;
+                       free_commit_list(base_list);
+               } else {
+                       die(_("Failed to get upstream, if you want to record base commit automatically,\n"
+                             "please use git branch --set-upstream-to to track a remote branch.\n"
+                             "Or you could specify base commit by --base=<base-commit-id> manually."));
+               }
+       }
+
+       ALLOC_ARRAY(rev, total);
+       for (i = 0; i < total; i++)
+               rev[i] = list[i];
+
+       rev_nr = total;
+       /*
+        * Get merge base through pair-wise computations
+        * and store it in rev[0].
+        */
+       while (rev_nr > 1) {
+               for (i = 0; i < rev_nr / 2; i++) {
+                       struct commit_list *merge_base;
+                       merge_base = get_merge_bases(rev[2 * i], rev[2 * i + 1]);
+                       if (!merge_base || merge_base->next)
+                               die(_("Failed to find exact merge base"));
+
+                       rev[i] = merge_base->item;
+               }
+
+               if (rev_nr % 2)
+                       rev[i] = rev[2 * i];
+               rev_nr = (rev_nr + 1) / 2;
+       }
+
+       if (!in_merge_bases(base, rev[0]))
+               die(_("base commit should be the ancestor of revision list"));
+
+       for (i = 0; i < total; i++) {
+               if (base == list[i])
+                       die(_("base commit shouldn't be in revision list"));
+       }
+
+       free(rev);
+       return base;
+}
+
+static void prepare_bases(struct base_tree_info *bases,
+                         struct commit *base,
+                         struct commit **list,
+                         int total)
+{
+       struct commit *commit;
+       struct rev_info revs;
+       struct diff_options diffopt;
+       int i;
+
+       if (!base)
+               return;
+
+       diff_setup(&diffopt);
+       DIFF_OPT_SET(&diffopt, RECURSIVE);
+       diff_setup_done(&diffopt);
+
+       oidcpy(&bases->base_commit, &base->object.oid);
+
+       init_revisions(&revs, NULL);
+       revs.max_parents = 1;
+       revs.topo_order = 1;
+       for (i = 0; i < total; i++) {
+               list[i]->object.flags &= ~UNINTERESTING;
+               add_pending_object(&revs, &list[i]->object, "rev_list");
+               list[i]->util = (void *)1;
+       }
+       base->object.flags |= UNINTERESTING;
+       add_pending_object(&revs, &base->object, "base");
+
+       if (prepare_revision_walk(&revs))
+               die(_("revision walk setup failed"));
+       /*
+        * Traverse the commits list, get prerequisite patch ids
+        * and stuff them in bases structure.
+        */
+       while ((commit = get_revision(&revs)) != NULL) {
+               unsigned char sha1[20];
+               struct object_id *patch_id;
+               if (commit->util)
+                       continue;
+               if (commit_patch_id(commit, &diffopt, sha1))
+                       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);
+               bases->nr_patch_id++;
+       }
+}
+
+static void print_bases(struct base_tree_info *bases)
+{
+       int i;
+
+       /* Only do this once, either for the cover or for the first one */
+       if (is_null_oid(&bases->base_commit))
+               return;
+
+       /* Show the base commit */
+       printf("base-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]));
+
+       free(bases->patch_id);
+       bases->nr_patch_id = 0;
+       bases->alloc_patch_id = 0;
+       oidclr(&bases->base_commit);
+}
+
 int cmd_format_patch(int argc, const char **argv, const char *prefix)
 {
        struct commit *commit;
@@ -1197,6 +1359,7 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
        int cover_letter = -1;
        int boundary_count = 0;
        int no_binary_diff = 0;
+       int zero_commit = 0;
        struct commit *origin = NULL;
        const char *in_reply_to = NULL;
        struct patch_ids ids;
@@ -1206,6 +1369,9 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
        int reroll_count = -1;
        char *branch_name = NULL;
        char *from = NULL;
+       char *base_commit = NULL;
+       struct base_tree_info bases;
+
        const struct option builtin_format_patch_options[] = {
                { OPTION_CALLBACK, 'n', "numbered", &numbered, NULL,
                            N_("use [PATCH n/m] even with a single patch"),
@@ -1237,6 +1403,8 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
                            PARSE_OPT_NOARG | PARSE_OPT_NONEG, keep_callback },
                OPT_BOOL(0, "no-binary", &no_binary_diff,
                         N_("don't output binary diffs")),
+               OPT_BOOL(0, "zero-commit", &zero_commit,
+                        N_("output all-zero hash in From header")),
                OPT_BOOL(0, "ignore-if-in-upstream", &ignore_if_in_upstream,
                         N_("don't include a patch matching a commit upstream")),
                { OPTION_SET_INT, 'p', "no-stat", &use_patch_format, NULL,
@@ -1266,6 +1434,8 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
                            PARSE_OPT_OPTARG, thread_callback },
                OPT_STRING(0, "signature", &signature, N_("signature"),
                            N_("add a signature")),
+               OPT_STRING(0, "base", &base_commit, N_("base-commit"),
+                          N_("add prerequisite tree info to the patch series")),
                OPT_FILENAME(0, "signature-file", &signature_file,
                                N_("add a signature from a file")),
                OPT__QUIET(&quiet, N_("don't print the patch filenames")),
@@ -1275,10 +1445,11 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
        extra_hdr.strdup_strings = 1;
        extra_to.strdup_strings = 1;
        extra_cc.strdup_strings = 1;
-       init_grep_defaults();
+       init_log_defaults();
        git_config(git_format_config, NULL);
        init_revisions(&rev, prefix);
        rev.commit_format = CMIT_FMT_EMAIL;
+       rev.expand_tabs_in_log_default = 0;
        rev.verbose_header = 1;
        rev.diff = 1;
        rev.max_parents = 1;
@@ -1381,12 +1552,17 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
        /* Always generate a patch */
        rev.diffopt.output_format |= DIFF_FORMAT_PATCH;
 
+       rev.zero_commit = zero_commit;
+
        if (!DIFF_OPT_TST(&rev.diffopt, TEXT) && !no_binary_diff)
                DIFF_OPT_SET(&rev.diffopt, BINARY);
 
        if (rev.show_notes)
                init_display_notes(&rev.notes_opt);
 
+       if (!output_directory && !use_stdout)
+               output_directory = config_output_directory;
+
        if (!use_stdout)
                output_directory = set_outdir(prefix, output_directory);
        else
@@ -1444,7 +1620,7 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
                /* Don't say anything if head and upstream are the same. */
                if (rev.pending.nr == 2) {
                        struct object_array_entry *o = rev.pending.objects;
-                       if (hashcmp(o[0].item->sha1, o[1].item->sha1) == 0)
+                       if (oidcmp(&o[0].item->oid, &o[1].item->oid) == 0)
                                return 0;
                }
                get_patch_ids(&rev, &ids);
@@ -1497,6 +1673,13 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
                signature = strbuf_detach(&buf, NULL);
        }
 
+       memset(&bases, 0, sizeof(bases));
+       if (base_commit || base_auto) {
+               struct commit *base = get_base_commit(base_commit, list, nr);
+               reset_revision_walk();
+               prepare_bases(&bases, base, list, nr);
+       }
+
        if (in_reply_to || thread || cover_letter)
                rev.ref_message_ids = xcalloc(1, sizeof(struct string_list));
        if (in_reply_to) {
@@ -1510,6 +1693,7 @@ 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);
                total++;
                start_number--;
        }
@@ -1551,7 +1735,7 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
                                        string_list_append(rev.ref_message_ids,
                                                           rev.message_id);
                        }
-                       gen_message_id(&rev, sha1_to_hex(commit->object.sha1));
+                       gen_message_id(&rev, oid_to_hex(&commit->object.oid));
                }
 
                if (!use_stdout &&
@@ -1575,6 +1759,7 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
                                       rev.mime_boundary);
                        else
                                print_signature();
+                       print_bases(&bases);
                }
                if (!use_stdout)
                        fclose(stdout);
@@ -1613,12 +1798,12 @@ static void print_commit(char sign, struct commit *commit, int verbose,
 {
        if (!verbose) {
                printf("%c %s\n", sign,
-                      find_unique_abbrev(commit->object.sha1, abbrev));
+                      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,
-                      find_unique_abbrev(commit->object.sha1, abbrev),
+                      find_unique_abbrev(commit->object.oid.hash, abbrev),
                       buf.buf);
                strbuf_release(&buf);
        }
@@ -1676,7 +1861,7 @@ int cmd_cherry(int argc, const char **argv, const char *prefix)
        /* Don't say anything if head and upstream are the same. */
        if (revs.pending.nr == 2) {
                struct object_array_entry *o = revs.pending.objects;
-               if (hashcmp(o[0].item->sha1, o[1].item->sha1) == 0)
+               if (oidcmp(&o[0].item->oid, &o[1].item->oid) == 0)
                        return 0;
        }