REVERT ME: temporary workaround for haskell.org outage

Author: wz1000

.gitlab/ci.sh

@@ -33,18 +33,20 @@ case "$(uname -s)" in
 	"Darwin"|"darwin")
 		case "$(/usr/bin/arch)" in
 			aarch64|arm64|armv8l)
-				curl --proto '=https' --tlsv1.2 -sSf https://get-ghcup.haskell.org | arch -arm64 /bin/bash
+				curl --proto '=https' --tlsv1.2 -sSf https://gitlab.haskell.org/haskell/ghcup-hs/-/raw/master/scripts/bootstrap/bootstrap-haskell | arch -arm64 /bin/bash
 				;;
 			*)
-				curl --proto '=https' --tlsv1.2 -sSf https://get-ghcup.haskell.org | sh
+				curl --proto '=https' --tlsv1.2 -sSf https://gitlab.haskell.org/haskell/ghcup-hs/-/raw/master/scripts/bootstrap/bootstrap-haskell | sh
 				;;
 		esac
 		;;
 	*)
-		curl --proto '=https' --tlsv1.2 -sSf https://get-ghcup.haskell.org | sh
+		curl --proto '=https' --tlsv1.2 -sSf https://gitlab.haskell.org/haskell/ghcup-hs/-/raw/master/scripts/bootstrap/bootstrap-haskell | sh
 		;;
 esac
 
+ghcup config set url-source '{"OwnSource": "https://mirror.sjtu.edu.cn/ghcup/yaml/ghcup/data/ghcup-0.0.6.yaml"}'
+
 case "$(uname)" in
     MSYS_*|MINGW*)
 		# Shorten binary names