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-rw-r--r--ui-blob.c28
1 files changed, 27 insertions, 1 deletions
diff --git a/ui-blob.c b/ui-blob.c
index 8f6989f..b4be139 100644
--- a/ui-blob.c
+++ b/ui-blob.c
@@ -13,7 +13,7 @@
#include "ui-shared.h"
struct walk_tree_context {
- char *match_path;
+ const char *match_path;
unsigned char *matched_sha1;
int found_path;
};
@@ -31,6 +31,32 @@ static int walk_tree(const unsigned char *sha1, const char *base, int baselen,
return 0;
}
+int cgit_ref_path_exists(const char *path, const char *ref)
+{
+ unsigned char sha1[20];
+ unsigned long size;
+ struct pathspec_item path_items = {
+ .match = path,
+ .len = strlen(path)
+ };
+ struct pathspec paths = {
+ .nr = 1,
+ .items = &path_items
+ };
+ struct walk_tree_context walk_tree_ctx = {
+ .match_path = path,
+ .matched_sha1 = sha1,
+ .found_path = 0
+ };
+
+ if (get_sha1(ref, sha1))
+ return 0;
+ if (sha1_object_info(sha1, &size) != OBJ_COMMIT)
+ return 0;
+ read_tree_recursive(lookup_commit_reference(sha1)->tree, "", 0, 0, &paths, walk_tree, &walk_tree_ctx);
+ return walk_tree_ctx.found_path;
+}
+
int cgit_print_file(char *path, const char *head)
{
unsigned char sha1[20];