Do not alter incoming sha1 when handling the download refs.

The code used to overwrite the const sha1 parameter just to avoid declaring
an extra variable. Fix it.

Signed-off-by: Lars Hjemli <hjemli@gmail.com>

1 files changed, 5 insertions, 2 deletions

diff --git a/ui-summary.c b/ui-summary.c
index 3410e1a..b99ea98 100644
--- a/ui-summary.c
+++ b/ui-summary.c
@@ -129,8 +129,9 @@ static int cgit_print_archive_cb(const char *refname, const unsigned char *sha1,
         struct tag *tag;
         struct taginfo *info;
         struct object *obj;
         char buf[256], *url;
+        unsigned char fileid[20];
 
         if (prefixcmp(refname, "refs/archives"))
                 return 0;
         strncpy(buf, refname+14, sizeof(buf));
@@ -140,20 +141,22 @@ static int cgit_print_archive_cb(const char *refname, const unsigned char *sha1,
         if (obj->type == OBJ_TAG) {
                 tag = lookup_tag(sha1);
                 if (!tag || parse_tag(tag) || !(info = cgit_parse_tag(tag)))
                         return 0;
-                hashcpy(sha1, tag->tagged->sha1);
+                hashcpy(fileid, tag->tagged->sha1);
         } else if (obj->type != OBJ_BLOB) {
                 return 0;
+        } else {
+                hashcpy(fileid, sha1);
         }
         if (!header) {
                 html("<table>");
                 html("<tr><th>Downloads</th></tr>");
                 header = 1;
         }
         html("<tr><td>");
         url = cgit_pageurl(cgit_query_repo, "blob",
-                           fmt("id=%s&path=%s", sha1_to_hex(sha1),
+                           fmt("id=%s&path=%s", sha1_to_hex(fileid),
                                buf));
         html_link_open(url, NULL, NULL);
         html_txt(buf);
         html_link_close();