github.yml.patch

diff --git a/.github/workflows/haskell-ci.yml b/.github/workflows/haskell-ci.yml
index 1b7c983..16fe263 100644
--- a/.github/workflows/haskell-ci.yml
+++ b/.github/workflows/haskell-ci.yml
@@ -201,6 +201,24 @@ jobs:
           echo "packages: $GITHUB_WORKSPACE/source/." >> cabal.project
           echo "packages: $GITHUB_WORKSPACE/source/gl" >> cabal.project
           cat cabal.project
+      - name: dump install plan
+        run: |
+          $CABAL v2-build $ARG_COMPILER $ARG_TESTS $ARG_BENCH --dry-run all
+          cabal-plan
+      - name: restore cache
+        uses: actions/cache/restore@v3
+        with:
+          key: ${{ runner.os }}-${{ matrix.compiler }}-${{ github.sha }}
+          path: ~/.cabal/store
+          restore-keys: ${{ runner.os }}-${{ matrix.compiler }}-
+      - name: run glgen
+        run: |
+          # Make sure to run glgen before sdist, as glgen is responsible for
+          # generating several of the modules declared in gl.cabal.
+          # Moreover, glgen needs to run in the `source` directory, where the
+          # gl repo lives.
+          cd source || false
+          $CABAL v2-run $ARG_COMPILER $ARG_TESTS $ARG_BENCH -j2 glgen
       - name: sdist
         run: |
           mkdir -p sdist
@@ -229,16 +247,6 @@ jobs:
           $HCPKG list --simple-output --names-only | perl -ne 'for (split /\s+/) { print "constraints: $_ installed\n" unless /^(gl|glgen)$/; }' >> cabal.project.local
           cat cabal.project
           cat cabal.project.local
-      - name: dump install plan
-        run: |
-          $CABAL v2-build $ARG_COMPILER $ARG_TESTS $ARG_BENCH --dry-run all
-          cabal-plan
-      - name: restore cache
-        uses: actions/cache/restore@v3
-        with:
-          key: ${{ runner.os }}-${{ matrix.compiler }}-${{ github.sha }}
-          path: ~/.cabal/store
-          restore-keys: ${{ runner.os }}-${{ matrix.compiler }}-
       - name: install dependencies
         run: |
           $CABAL v2-build $ARG_COMPILER --disable-tests --disable-benchmarks --dependencies-only -j2 all