X-Git-Url: https://gitweb.ps.run/ps-cgit/blobdiff_plain/8f208794318f83826e98168b8b430f2d9a68bcce..2a1ead3efb940b7359bcc706c19bd8ddb0de7a11:/ui-blob.c

diff --git a/ui-blob.c b/ui-blob.c
index 1da43c8..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];
@@ -94,12 +120,12 @@ void cgit_print_blob(const char *hex, char *path, const char *head)
 
 	if (hex) {
 		if (get_sha1_hex(hex, sha1)) {
-			cgit_print_error(fmt("Bad hex value: %s", hex));
+			cgit_print_error("Bad hex value: %s", hex);
 			return;
 		}
 	} else {
 		if (get_sha1(head, sha1)) {
-			cgit_print_error(fmt("Bad ref: %s", head));
+			cgit_print_error("Bad ref: %s", head);
 			return;
 		}
 	}
@@ -113,13 +139,13 @@ void cgit_print_blob(const char *hex, char *path, const char *head)
 	}
 
 	if (type == OBJ_BAD) {
-		cgit_print_error(fmt("Bad object name: %s", hex));
+		cgit_print_error("Bad object name: %s", hex);
 		return;
 	}
 
 	buf = read_sha1_file(sha1, &type, &size);
 	if (!buf) {
-		cgit_print_error(fmt("Error reading object %s", hex));
+		cgit_print_error("Error reading object %s", hex);
 		return;
 	}