[PATCH] Make curl fail on server error

Some http servers return an HTML error page and git reads it as normal
data. Adding -f option makes curl fail silently.
Signed-off-by: NCatalin Marinas <catalin.marinas@gmail.com>
Signed-off-by: NJunio C Hamano <junkio@cox.net>

git-clone-dumb-http

@@ -14,7 +14,7 @@ if [ -n "$GIT_SSL_NO_VERIFY" ]; then
 fi
 http_fetch () {
 	# $1 = Remote, $2 = Local
-	curl -ns $curl_extra_args "$1" >"$2"
+	curl -nsf $curl_extra_args "$1" >"$2"
 }
 
 cd "$D" && 

git-fetch-script

@@ -15,7 +15,7 @@ http://* | https://*)
         fi
 	_x40='[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]' &&
 	_x40="$_x40$_x40$_x40$_x40$_x40$_x40$_x40$_x40" &&
-	head=$(curl -ns $curl_extra_args "$merge_repo/$merge_head") &&
+	head=$(curl -nsf $curl_extra_args "$merge_repo/$merge_head") &&
 	expr "$head" : "$_x40\$" >/dev/null || {
 		echo >&2 "Failed to fetch $merge_head from $merge_repo"
 	        exit 1

git-ls-remote-script

@@ -46,7 +46,7 @@ http://* | https://* )
         if [ -n "$GIT_SSL_NO_VERIFY" ]; then
             curl_extra_args="-k"
         fi
-	curl -ns $curl_extra_args "$peek_repo/info/refs" || exit 1
+	curl -nsf $curl_extra_args "$peek_repo/info/refs" || exit 1
 	;;
 
 rsync://* )