completion: cleanup zsh wrapper

diff --git a/log-tree.c b/log-tree.c
index 7cc7d598e712fab531f7c6f938be17c317161f3e..1946e9ce8d88b73f134490760f76e00b63f1be69 100644 (file)
--- a/log-tree.c
+++ b/log-tree.c
@@ -175,36 +175,52 @@ static void show_children(struct rev_info *opt, struct commit *commit, int abbre
        }
 }
 
-void show_decorations(struct rev_info *opt, struct commit *commit)
+/*
+ * The caller makes sure there is no funny color before
+ * calling. format_decorations makes sure the same after return.
+ */
+void format_decorations(struct strbuf *sb,
+                       const struct commit *commit,
+                       int use_color)
 {
        const char *prefix;
        struct name_decoration *decoration;
        const char *color_commit =
-               diff_get_color_opt(&opt->diffopt, DIFF_COMMIT);
+               diff_get_color(use_color, DIFF_COMMIT);
        const char *color_reset =
-               decorate_get_color_opt(&opt->diffopt, DECORATION_NONE);
+               decorate_get_color(use_color, DECORATION_NONE);
 
-       if (opt->show_source && commit->util)
-               printf("\t%s", (char *) commit->util);
-       if (!opt->show_decorations)
-               return;
        decoration = lookup_decoration(&name_decoration, &commit->object);
        if (!decoration)
                return;
        prefix = " (";
        while (decoration) {
-               printf("%s", prefix);
-               fputs(decorate_get_color_opt(&opt->diffopt, decoration->type),
-                     stdout);
+               strbuf_addstr(sb, color_commit);
+               strbuf_addstr(sb, prefix);
+               strbuf_addstr(sb, decorate_get_color(use_color, decoration->type));
                if (decoration->type == DECORATION_REF_TAG)
-                       fputs("tag: ", stdout);
-               printf("%s", decoration->name);
-               fputs(color_reset, stdout);
-               fputs(color_commit, stdout);
+                       strbuf_addstr(sb, "tag: ");
+               strbuf_addstr(sb, decoration->name);
+               strbuf_addstr(sb, color_reset);
                prefix = ", ";
                decoration = decoration->next;
        }
-       putchar(')');
+       strbuf_addstr(sb, color_commit);
+       strbuf_addch(sb, ')');
+       strbuf_addstr(sb, color_reset);
+}
+
+void show_decorations(struct rev_info *opt, struct commit *commit)
+{
+       struct strbuf sb = STRBUF_INIT;
+
+       if (opt->show_source && commit->util)
+               printf("\t%s", (char *) commit->util);
+       if (!opt->show_decorations)
+               return;
+       format_decorations(&sb, commit, opt->diffopt.use_color);
+       fputs(sb.buf, stdout);
+       strbuf_release(&sb);
 }
 
 static unsigned int digits_in_number(unsigned int number)
@@ -540,8 +556,8 @@ void show_log(struct rev_info *opt)
                        printf(" (from %s)",
                               find_unique_abbrev(parent->object.sha1,
                                                  abbrev_commit));
+               fputs(diff_get_color_opt(&opt->diffopt, DIFF_RESET), stdout);
                show_decorations(opt, commit);
-               printf("%s", diff_get_color_opt(&opt->diffopt, DIFF_RESET));
                if (opt->commit_format == CMIT_FMT_ONELINE) {
                        putchar(' ');
                } else {