ui-shared: rename parameter to cgit_print_snapshot_links()

This is expected to be a ref not a hex object ID, so name it more
appropriately.

Signed-off-by: John Keeping <john@keeping.me.uk>
Reviewed-by: Christian Hesse <mail@eworm.de>

ui-shared.c

@@ -1111,13 +1111,13 @@ void cgit_compose_snapshot_prefix(struct strbuf *filename, const char *base,
 	strbuf_addf(filename, "%s-%s", base, ref);
 }
 
-void cgit_print_snapshot_links(const struct cgit_repo *repo, const char *hex)
+void cgit_print_snapshot_links(const struct cgit_repo *repo, const char *ref)
 {
 	const struct cgit_snapshot_format* f;
 	struct strbuf filename = STRBUF_INIT;
 	size_t prefixlen;
 
-	cgit_compose_snapshot_prefix(&filename, cgit_snapshot_prefix(repo), hex);
+	cgit_compose_snapshot_prefix(&filename, cgit_snapshot_prefix(repo), ref);
 	prefixlen = filename.len;
 	for (f = cgit_snapshot_formats; f->suffix; f++) {
 		if (!(repo->snapshots & f->bit))

ui-shared.h

@@ -77,7 +77,7 @@ extern void cgit_print_filemode(unsigned short mode);
 extern void cgit_compose_snapshot_prefix(struct strbuf *filename,
 					 const char *base, const char *ref);
 extern void cgit_print_snapshot_links(const struct cgit_repo *repo,
-				      const char *hex);
+				      const char *ref);
 extern const char *cgit_snapshot_prefix(const struct cgit_repo *repo);
 extern void cgit_add_hidden_formfields(int incl_head, int incl_search,
 				       const char *page);