[PATCH v2 24/25] show_worktree(): plug memory leak

[Johannes Schindelin]

The buffer allocated by shorten_unambiguous_ref() needs to be released.

Discovered by Coverity.

Signed-off-by: Johannes Schindelin <johannes.schinde...@gmx.de>
---
 builtin/worktree.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/builtin/worktree.c b/builtin/worktree.c
index 1722a9bdc2a..ff5dfd2b102 100644
--- a/builtin/worktree.c
+++ b/builtin/worktree.c
@@ -414,9 +414,11 @@ static void show_worktree(struct worktree *wt, int 
path_maxlen, int abbrev_len)
                                find_unique_abbrev(wt->head_sha1, 
DEFAULT_ABBREV));
                if (wt->is_detached)
                        strbuf_addstr(&sb, "(detached HEAD)");
-               else if (wt->head_ref)
-                       strbuf_addf(&sb, "[%s]", 
shorten_unambiguous_ref(wt->head_ref, 0));
-               else
+               else if (wt->head_ref) {
+                       char *ref = shorten_unambiguous_ref(wt->head_ref, 0);
+                       strbuf_addf(&sb, "[%s]", ref);
+                       free(ref);
+               } else
                        strbuf_addstr(&sb, "(error)");
        }
        printf("%s\n", sb.buf);
-- 
2.12.2.windows.2.800.gede8f145e06