cgit: replace 'unsigned char sha1[20]' with 'struct object_id oid'

Upstream git is replacing 'unsigned char sha1[20]' with 'struct object_id
oid'. We have some code that can be changed independent from upstream. So
here we go...

diff --git a/cgit.c b/cgit.c
index 2f29aa6d33082cd105d34f2bc195db493e3c90d3..9f5a80fe9ce76e01c945854729dc697690780643 100644 (file)
--- a/cgit.c
+++ b/cgit.c
@@ -471,13 +471,14 @@ static char *find_default_branch(struct cgit_repo *repo)
 static char *guess_defbranch(void)
 {
        const char *ref;
-       unsigned char sha1[20];
+       struct object_id oid;
 
-       ref = resolve_ref_unsafe("HEAD", 0, sha1, NULL);
+       ref = resolve_ref_unsafe("HEAD", 0, oid.hash, NULL);
        if (!ref || !starts_with(ref, "refs/heads/"))
                return "master";
        return xstrdup(ref + 11);
 }
+
 /* The caller must free filename and ref after calling this. */
 static inline void parse_readme(const char *readme, char **filename, char **ref, struct cgit_repo *repo)
 {
@@ -557,7 +558,7 @@ static void print_no_repo_clone_urls(const char *url)
 
 static int prepare_repo_cmd(void)
 {
-       unsigned char sha1[20];
+       struct object_id oid;
        int nongit = 0;
        int rc;
 
@@ -615,7 +616,7 @@ static int prepare_repo_cmd(void)
                return 1;
        }
 
-       if (get_sha1(ctx.qry.head, sha1)) {
+       if (get_oid(ctx.qry.head, &oid)) {
                char *old_head = ctx.qry.head;
                ctx.qry.head = xstrdup(ctx.repo->defbranch);
                cgit_print_error_page(404, "Not found",