X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=refs.c;h=d01fc3984a56e288e175f8201783f18dfe978c10;hb=53f313897e37f25e1411a6a7cfa328d642847345;hp=a52b038eefdf22fce20d1a81180c97def0613cdb;hpb=303958dc42d451aead0e1b9cf7b9836831a05f4b;p=git.git

diff --git a/refs.c b/refs.c
index a52b038e..d01fc398 100644
--- a/refs.c
+++ b/refs.c
@@ -6,50 +6,6 @@
 /* We allow "recursive" symbolic refs. Only within reason, though */
 #define MAXDEPTH 5
 
-#ifndef USE_SYMLINK_HEAD
-#define USE_SYMLINK_HEAD 1
-#endif
-
-int validate_symref(const char *path)
-{
-	struct stat st;
-	char *buf, buffer[256];
-	int len, fd;
-
-	if (lstat(path, &st) < 0)
-		return -1;
-
-	/* Make sure it is a "refs/.." symlink */
-	if (S_ISLNK(st.st_mode)) {
-		len = readlink(path, buffer, sizeof(buffer)-1);
-		if (len >= 5 && !memcmp("refs/", buffer, 5))
-			return 0;
-		return -1;
-	}
-
-	/*
-	 * Anything else, just open it and try to see if it is a symbolic ref.
-	 */
-	fd = open(path, O_RDONLY);
-	if (fd < 0)
-		return -1;
-	len = read(fd, buffer, sizeof(buffer)-1);
-	close(fd);
-
-	/*
-	 * Is it a symbolic ref?
-	 */
-	if (len < 4 || memcmp("ref:", buffer, 4))
-		return -1;
-	buf = buffer + 4;
-	len -= 4;
-	while (len && isspace(*buf))
-		buf++, len--;
-	if (len >= 5 && !memcmp("refs/", buf, 5))
-		return 0;
-	return -1;
-}
-
 const char *resolve_ref(const char *path, unsigned char *sha1, int reading)
 {
 	int depth = MAXDEPTH, len;
@@ -120,11 +76,13 @@ int create_symref(const char *git_HEAD, const char *refs_heads_master)
 	char ref[1000];
 	int fd, len, written;
 
-#if USE_SYMLINK_HEAD
-	unlink(git_HEAD);
-	if (!symlink(refs_heads_master, git_HEAD))
-		return 0;
-	fprintf(stderr, "no symlink - falling back to symbolic ref\n");
+#ifdef USE_SYMLINK_HEAD
+	if (!only_use_symrefs) {
+		unlink(git_HEAD);
+		if (!symlink(refs_heads_master, git_HEAD))
+			return 0;
+		fprintf(stderr, "no symlink - falling back to symbolic ref\n");
+	}
 #endif
 
 	len = snprintf(ref, sizeof(ref), "ref: %s\n", refs_heads_master);
@@ -330,6 +288,8 @@ int write_ref_sha1(const char *ref, int fd, const unsigned char *sha1)
 		return -1;
 	filename = ref_file_name(ref);
 	lock_filename = ref_lock_file_name(ref);
+	if (safe_create_leading_directories(filename))
+		die("unable to create leading directory for %s", filename);
 	retval = write_ref_file(filename, lock_filename, fd, sha1);
 	free(filename);
 	free(lock_filename);
@@ -349,7 +309,9 @@ int write_ref_sha1(const char *ref, int fd, const unsigned char *sha1)
 static inline int bad_ref_char(int ch)
 {
 	return (((unsigned) ch) <= ' ' ||
-		ch == '~' || ch == '^' || ch == ':');
+		ch == '~' || ch == '^' || ch == ':' ||
+		/* 2.13 Pattern Matching Notation */
+		ch == '?' || ch == '*' || ch == '[');
 }
 
 int check_ref_format(const char *ref)
@@ -396,6 +358,8 @@ int write_ref_sha1_unlocked(const char *ref, const unsigned char *sha1)
 		return -1;
 	filename = ref_file_name(ref);
 	lock_filename = ref_lock_file_name(ref);
+	if (safe_create_leading_directories(filename))
+		die("unable to create leading directory for %s", filename);
 	fd = open(lock_filename, O_WRONLY | O_CREAT | O_EXCL, 0666);
 	if (fd < 0) {
 		error("Writing %s", lock_filename);