use strbuf_add_unique_abbrev() for adding short hashes

Call strbuf_add_unique_abbrev() to add abbreviated hashes to strbufs
instead of taking detours through find_unique_abbrev() and its static
buffer.  This is shorter and a bit more efficient.

Signed-off-by: Rene Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

1 files changed, 6 insertions, 7 deletions

diff --git a/pretty.c b/pretty.c
index b271656..dede7de 100644
--- a/pretty.c
+++ b/pretty.c
@@ -1141,8 +1141,8 @@ static size_t format_commit_one(struct strbuf *sb, /* in UTF-8 */
 			strbuf_addstr(sb, diff_get_color(c->auto_color, DIFF_RESET));
 			return 1;
 		}
-		strbuf_addstr(sb, find_unique_abbrev(commit->object.oid.hash,
-						     c->pretty_ctx->abbrev));
+		strbuf_add_unique_abbrev(sb, commit->object.oid.hash,
+					 c->pretty_ctx->abbrev);
 		strbuf_addstr(sb, diff_get_color(c->auto_color, DIFF_RESET));
 		c->abbrev_commit_hash.len = sb->len - c->abbrev_commit_hash.off;
 		return 1;
@@ -1152,8 +1152,8 @@ static size_t format_commit_one(struct strbuf *sb, /* in UTF-8 */
 	case 't':		/* abbreviated tree hash */
 		if (add_again(sb, &c->abbrev_tree_hash))
 			return 1;
-		strbuf_addstr(sb, find_unique_abbrev(commit->tree->object.oid.hash,
-						     c->pretty_ctx->abbrev));
+		strbuf_add_unique_abbrev(sb, commit->tree->object.oid.hash,
+					 c->pretty_ctx->abbrev);
 		c->abbrev_tree_hash.len = sb->len - c->abbrev_tree_hash.off;
 		return 1;
 	case 'P':		/* parent hashes */
@@ -1169,9 +1169,8 @@ static size_t format_commit_one(struct strbuf *sb, /* in UTF-8 */
 		for (p = commit->parents; p; p = p->next) {
 			if (p != commit->parents)
 				strbuf_addch(sb, ' ');
-			strbuf_addstr(sb, find_unique_abbrev(
-					p->item->object.oid.hash,
-					c->pretty_ctx->abbrev));
+			strbuf_add_unique_abbrev(sb, p->item->object.oid.hash,
+						 c->pretty_ctx->abbrev);
 		}
 		c->abbrev_parent_hashes.len = sb->len -
 		                              c->abbrev_parent_hashes.off;