X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=receive-pack.c;h=8f157bc3f0ef1f9d96bca18fc81854fc24bff936;hb=9e48b389990c0201487e58f3bac32734a59a7e89;hp=3a1b2ab694bf61a25b926caa8b2a00e00fabb5d9;hpb=6c5f9baa3bc0d63e141e0afc23110205379905a4;p=git.git

diff --git a/receive-pack.c b/receive-pack.c
index 3a1b2ab6..8f157bc3 100644
--- a/receive-pack.c
+++ b/receive-pack.c
@@ -24,7 +24,7 @@ struct command {
 	unsigned char updated;
 	unsigned char old_sha1[20];
 	unsigned char new_sha1[20];
-	char ref_name[];
+	char ref_name[0];
 };
 
 static struct command *commands = NULL;
@@ -95,6 +95,10 @@ static int update(const char *name,
 	char new_hex[60], *old_hex, *lock_name;
 	int newfd, namelen, written;
 
+	if (!strncmp(name, "refs/", 5) && check_ref_format(name + 5))
+		return error("refusing to create funny ref '%s' locally",
+			     name);
+
 	namelen = strlen(name);
 	lock_name = xmalloc(namelen + 10);
 	memcpy(lock_name, name, namelen);
@@ -269,7 +273,7 @@ int main(int argc, char **argv)
 
 	/* If we have a ".git" directory, chdir to it */
 	chdir(".git");
-	setenv("GIT_DIR", ".", 1);
+	putenv("GIT_DIR=.");
 
 	if (access("objects", X_OK) < 0 || access("refs/heads", X_OK) < 0)
 		die("%s doesn't appear to be a git directory", dir);