1 files changed, 33 insertions, 23 deletions

diff --git a/receive-pack.c b/receive-pack.c
index c176d8fd0..7311c822d 100644
--- a/receive-pack.c
+++ b/receive-pack.c
@@ -10,6 +10,8 @@
 static const char receive_pack_usage[] = "git-receive-pack <git-dir>";
 
 static int deny_non_fast_forwards = 0;
+static int receive_unpack_limit = -1;
+static int transfer_unpack_limit = -1;
 static int unpack_limit = 100;
 static int report_status;
 
@@ -18,21 +20,22 @@ static int capabilities_sent;
 
 static int receive_pack_config(const char *var, const char *value)
 {
-	git_default_config(var, value);
-
-	if (strcmp(var, "receive.denynonfastforwards") == 0)
-	{
+	if (strcmp(var, "receive.denynonfastforwards") == 0) {
 		deny_non_fast_forwards = git_config_bool(var, value);
 		return 0;
 	}
 
-	if (strcmp(var, "receive.unpacklimit") == 0)
-	{
-		unpack_limit = git_config_int(var, value);
+	if (strcmp(var, "receive.unpacklimit") == 0) {
+		receive_unpack_limit = git_config_int(var, value);
 		return 0;
 	}
 
-	return 0;
+	if (strcmp(var, "transfer.unpacklimit") == 0) {
+		transfer_unpack_limit = git_config_int(var, value);
+		return 0;
+	}
+
+	return git_default_config(var, value);
 }
 
 static int show_ref(const char *path, const unsigned char *sha1, int flag, void *cb_data)
@@ -250,20 +253,22 @@ static void read_head_info(void)
 
 static const char *parse_pack_header(struct pack_header *hdr)
 {
-	char *c = (char*)hdr;
-	ssize_t remaining = sizeof(struct pack_header);
-	do {
-		ssize_t r = xread(0, c, remaining);
-		if (r <= 0)
-			return "eof before pack header was fully read";
-		remaining -= r;
-		c += r;
-	} while (remaining > 0);
-	if (hdr->hdr_signature != htonl(PACK_SIGNATURE))
+	switch (read_pack_header(0, hdr)) {
+	case PH_ERROR_EOF:
+		return "eof before pack header was fully read";
+
+	case PH_ERROR_PACK_SIGNATURE:
 		return "protocol error (pack signature mismatch detected)";
-	if (!pack_version_ok(hdr->hdr_version))
+
+	case PH_ERROR_PROTOCOL:
 		return "protocol error (pack version unsupported)";
-	return NULL;
+
+	default:
+		return "unknown error in parse_pack_header";
+
+	case 0:
+		return NULL;
+	}
 }
 
 static const char *pack_lockfile;
@@ -421,11 +426,16 @@ int main(int argc, char **argv)
 	if (!enter_repo(dir, 0))
 		die("'%s': unable to chdir or not a git archive", dir);
 
-	setup_ident();
-	/* don't die if gecos is empty */
-	ignore_missing_committer_name();
+	if (is_repository_shallow())
+		die("attempt to push into a shallow repository");
+
 	git_config(receive_pack_config);
 
+	if (0 <= transfer_unpack_limit)
+		unpack_limit = transfer_unpack_limit;
+	else if (0 <= receive_unpack_limit)
+		unpack_limit = receive_unpack_limit;
+
 	write_head_info();
 
 	/* EOF */