mergetool: Provide an empty file when needed

diff --git a/builtin/describe.c b/builtin/describe.c
index 4afd1504a666d670ec71bdbd61b09bc0530ed04b..9f63067f50a6f49d61d40474608535905bec905b 100644 (file)
--- a/builtin/describe.c
+++ b/builtin/describe.c
@@ -231,13 +231,13 @@ static void display_name(struct commit_name *n)
        if (n->prio == 2 && !n->tag) {
                n->tag = lookup_tag(n->sha1);
                if (!n->tag || parse_tag(n->tag))
-                       die("annotated tag %s not available", n->path);
+                       die(_("annotated tag %s not available"), n->path);
        }
        if (n->tag && !n->name_checked) {
                if (!n->tag->tag)
-                       die("annotated tag %s has no embedded name", n->path);
+                       die(_("annotated tag %s has no embedded name"), n->path);
                if (strcmp(n->tag->tag, all ? n->path + 5 : n->path))
-                       warning("tag '%s' is really '%s' here", n->tag->tag, n->path);
+                       warning(_("tag '%s' is really '%s' here"), n->tag->tag, n->path);
                n->name_checked = 1;
        }
 
@@ -264,10 +264,10 @@ static void describe(const char *arg, int last_one)
        unsigned int unannotated_cnt = 0;
 
        if (get_sha1(arg, sha1))
-               die("Not a valid object name %s", arg);
+               die(_("Not a valid object name %s"), arg);
        cmit = lookup_commit_reference(sha1);
        if (!cmit)
-               die("%s is not a valid '%s' object", arg, commit_type);
+               die(_("%s is not a valid '%s' object"), arg, commit_type);
 
        n = find_commit_name(cmit->object.sha1);
        if (n && (tags || all || n->prio == 2)) {
@@ -284,9 +284,9 @@ static void describe(const char *arg, int last_one)
        }
 
        if (!max_candidates)
-               die("no tag exactly matches '%s'", sha1_to_hex(cmit->object.sha1));
+               die(_("no tag exactly matches '%s'"), sha1_to_hex(cmit->object.sha1));
        if (debug)
-               fprintf(stderr, "searching to describe %s\n", arg);
+               fprintf(stderr, _("searching to describe %s\n"), arg);
 
        if (!have_util) {
                for_each_hash(&names, set_util, NULL);
@@ -326,7 +326,7 @@ static void describe(const char *arg, int last_one)
                }
                if (annotated_cnt && !list) {
                        if (debug)
-                               fprintf(stderr, "finished search at %s\n",
+                               fprintf(stderr, _("finished search at %s\n"),
                                        sha1_to_hex(c->object.sha1));
                        break;
                }
@@ -350,12 +350,12 @@ static void describe(const char *arg, int last_one)
                        return;
                }
                if (unannotated_cnt)
-                       die("No annotated tags can describe '%s'.\n"
-                           "However, there were unannotated tags: try --tags.",
+                       die(_("No annotated tags can describe '%s'.\n"
+                           "However, there were unannotated tags: try --tags."),
                            sha1_to_hex(sha1));
                else
-                       die("No tags can describe '%s'.\n"
-                           "Try --always, or create some tags.",
+                       die(_("No tags can describe '%s'.\n"
+                           "Try --always, or create some tags."),
                            sha1_to_hex(sha1));
        }
 
@@ -375,11 +375,11 @@ static void describe(const char *arg, int last_one)
                                prio_names[t->name->prio],
                                t->depth, t->name->path);
                }
-               fprintf(stderr, "traversed %lu commits\n", seen_commits);
+               fprintf(stderr, _("traversed %lu commits\n"), seen_commits);
                if (gave_up_on) {
                        fprintf(stderr,
-                               "more than %i tags found; listed %i most recent\n"
-                               "gave up search at %s\n",
+                               _("more than %i tags found; listed %i most recent\n"
+                               "gave up search at %s\n"),
                                max_candidates, max_candidates,
                                sha1_to_hex(gave_up_on->object.sha1));
                }
@@ -433,7 +433,7 @@ int cmd_describe(int argc, const char **argv, const char *prefix)
        save_commit_buffer = 0;
 
        if (longformat && abbrev == 0)
-               die("--long is incompatible with --abbrev=0");
+               die(_("--long is incompatible with --abbrev=0"));
 
        if (contains) {
                const char **args = xmalloc((7 + argc) * sizeof(char *));
@@ -459,14 +459,27 @@ int cmd_describe(int argc, const char **argv, const char *prefix)
        init_hash(&names);
        for_each_rawref(get_name, NULL);
        if (!names.nr && !always)
-               die("No names found, cannot describe anything.");
+               die(_("No names found, cannot describe anything."));
 
        if (argc == 0) {
-               if (dirty && !cmd_diff_index(ARRAY_SIZE(diff_index_args) - 1, diff_index_args, prefix))
-                       dirty = NULL;
+               if (dirty) {
+                       static struct lock_file index_lock;
+                       int fd;
+
+                       read_cache_preload(NULL);
+                       refresh_index(&the_index, REFRESH_QUIET|REFRESH_UNMERGED,
+                                     NULL, NULL, NULL);
+                       fd = hold_locked_index(&index_lock, 0);
+                       if (0 <= fd)
+                               update_index_if_able(&the_index, &index_lock);
+
+                       if (!cmd_diff_index(ARRAY_SIZE(diff_index_args) - 1,
+                                           diff_index_args, prefix))
+                               dirty = NULL;
+               }
                describe("HEAD", 1);
        } else if (dirty) {
-               die("--dirty is incompatible with committishes");
+               die(_("--dirty is incompatible with committishes"));
        } else {
                while (argc-- > 0) {
                        describe(*argv++, argc == 0);