Set up the environment in the test-suite

Author: fendor

.github/workflows/test.yml

@@ -30,7 +30,10 @@ jobs:
           ghc-version: ${{ matrix.ghc }}
       - run: |
           mkdir -p test-workspace/bin/
-          export GHCUP_INSTALL_BASE_PREFIX=$(pwd)/bin
+          export GHCUP_USE_XDG_DIRS=1
+          export XDG_BIN_HOME=$(pwd)/test-workspace/bin/.ghcup/bin
+          export GHCUP_INSTALL_BASE_PREFIX=$(pwd)/test-workspace/bin
+          echo $XDG_BIN_HOME $GHCUP_INSTALL_BASE_PREFIX
           ghcup --no-verbose prefetch hls 1.4.0
           ghcup --no-verbose prefetch hls latest
         shell: bash