X-Git-Url: https://gitweb.ps.run/ps-cgit/blobdiff_plain/8f208794318f83826e98168b8b430f2d9a68bcce..121e65391446069a538ae8d3f7938452178de7c6:/ui-blob.c

diff --git a/ui-blob.c b/ui-blob.c
index 1da43c8..388a017 100644
--- a/ui-blob.c
+++ b/ui-blob.c
@@ -1,7 +1,6 @@
 /* ui-blob.c: show blob content
  *
- * Copyright (C) 2008 Lars Hjemli
- * Copyright (C) 2010 Jason A. Donenfeld <Jason@zx2c4.com>
+ * Copyright (C) 2006-2014 cgit Development Team <cgit@lists.zx2c4.com>
  *
  * Licensed under GNU General Public License v2
  *   (see COPYING for full license text)
@@ -13,25 +12,55 @@
 #include "ui-shared.h"
 
 struct walk_tree_context {
-	char *match_path;
+	const char *match_path;
 	unsigned char *matched_sha1;
-	int found_path;
+	unsigned int found_path:1;
+	unsigned int file_only:1;
 };
 
-static int walk_tree(const unsigned char *sha1, const char *base, int baselen,
-	const char *pathname, unsigned mode, int stage, void *cbdata)
+static int walk_tree(const unsigned char *sha1, struct strbuf *base,
+		const char *pathname, unsigned mode, int stage, void *cbdata)
 {
 	struct walk_tree_context *walk_tree_ctx = cbdata;
 
-	if (strncmp(base, walk_tree_ctx->match_path, baselen)
-		|| strcmp(walk_tree_ctx->match_path + baselen, pathname))
+	if (walk_tree_ctx->file_only && !S_ISREG(mode))
+		return READ_TREE_RECURSIVE;
+	if (strncmp(base->buf, walk_tree_ctx->match_path, base->len)
+		|| strcmp(walk_tree_ctx->match_path + base->len, pathname))
 		return READ_TREE_RECURSIVE;
 	memmove(walk_tree_ctx->matched_sha1, sha1, 20);
 	walk_tree_ctx->found_path = 1;
 	return 0;
 }
 
-int cgit_print_file(char *path, const char *head)
+int cgit_ref_path_exists(const char *path, const char *ref, int file_only)
+{
+	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,
+		.file_only = file_only
+	};
+
+	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, int file_only)
 {
 	unsigned char sha1[20];
 	enum object_type type;
@@ -49,7 +78,8 @@ int cgit_print_file(char *path, const char *head)
 	struct walk_tree_context walk_tree_ctx = {
 		.match_path = path,
 		.matched_sha1 = sha1,
-		.found_path = 0
+		.found_path = 0,
+		.file_only = file_only
 	};
 
 	if (get_sha1(head, sha1))
@@ -72,7 +102,7 @@ int cgit_print_file(char *path, const char *head)
 	return 0;
 }
 
-void cgit_print_blob(const char *hex, char *path, const char *head)
+void cgit_print_blob(const char *hex, char *path, const char *head, int file_only)
 {
 	unsigned char sha1[20];
 	enum object_type type;
@@ -90,16 +120,18 @@ void cgit_print_blob(const char *hex, char *path, const char *head)
 	struct walk_tree_context walk_tree_ctx = {
 		.match_path = path,
 		.matched_sha1 = sha1,
+		.found_path = 0,
+		.file_only = file_only
 	};
 
 	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 +145,13 @@ 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;
 	}
 
@@ -132,6 +164,6 @@ void cgit_print_blob(const char *hex, char *path, const char *head)
 			ctx.page.mimetype = "text/plain";
 	}
 	ctx.page.filename = path;
-	cgit_print_http_headers(&ctx);
+	cgit_print_http_headers();
 	html_raw(buf, size);
 }