Use cabal for nightly builds.

.github/workflows/nightly.yml

@@ -15,26 +15,18 @@ jobs:
     steps:
     - uses: actions/checkout@v3
 
-    - name: Install cabal/ghc
-      run: |
-        ghcup install ghc --set 8.10.7
-        ghcup install cabal --set 3.2
-
     - name: Install dependencies
       run: |
           ghc --version
           cabal --version
-          cabal v2-update
-          cabal v2-build --dependencies-only -fembed_data_files -fnightly pandoc-cli
-    - name: Build
-      run: |
-          cabal v2-install -fembed_data_files -fnightly pandoc-cli
-          strip $HOME/.cabal/bin/pandoc
-    - name: Install artifact
+          cabal update
+          cabal build --dependencies-only -fembed_data_files -fnightly pandoc-cli
+    - name: Build and install artifact
       run: |
           export ARTIFACTS=nightly-linux/pandoc-nightly-linux-$(date +%Y-%m-%d)
           mkdir -p ${ARTIFACTS}
-          cp $HOME/.cabal/bin/pandoc ${ARTIFACTS}/
+          cabal install --installdir="${ARTIFACTS}" --install-method=copy -fembed_data_files -fnightly pandoc-cli
+          strip "${ARTIFACTS}/pandoc"
           cp COPYRIGHT ${ARTIFACTS}/
           echo "Built from ${GITHUB_SHA}" > ${ARTIFACTS}/README.nightly.txt
     - uses: actions/upload-artifact@v3
@@ -50,16 +42,15 @@ jobs:
     - uses: actions/checkout@v3
     - name: Install dependencies
       run: |
-          stack update
-          stack build --dependencies-only pandoc-cli
+          cabal update
+          cabal build --dependencies-only -fembed_data_files -fnightly pandoc-cli
     - name: Build artifacts
       shell: cmd
       run: |
           for /f %%a in ('powershell -Command "Get-Date -format yyyy-MM-dd"') do set THEDATE=%%a
           set ARTIFACTS=%CD%\nightly-windows\pandoc-nightly-windows-%THEDATE%
           mkdir %ARTIFACTS%
-          stack clean
-          stack install --local-bin-path %ARTIFACTS% --flag pandoc-cli:nightly --flag pandoc:embed_data_files pandoc-cli
+          cabal install --install-method=copy --installdir=%ARTIFACTS% -fnightly -fembed_data_files pandoc-cli
           copy COPYRIGHT %ARTIFACTS%
           ren %ARTIFACTS%\COPYRIGHT COPYRIGHT.txt
           echo Built from %GITHUB_SHA% > %ARTIFACTS%\README.nightly.txt
@@ -76,15 +67,13 @@ jobs:
     - uses: actions/checkout@v3
     - name: Install dependencies
       run: |
-          stack update
-          stack build --dependencies-only pandoc-cli
+          cabal update
+          cabal build --dependencies-only -fnightly -fembed_data_files pandoc-cli
     - name: Build artifacts
       run: |
           export ARTIFACTS=nightly-macos/pandoc-nightly-macos-$(date +%Y-%m-%d)
           mkdir -p ${ARTIFACTS}
-          stack build --flag pandoc-cli:nightly --flag pandoc:embed_data_files pandoc-cli
-          for f in $(find .stack-work/install -name 'pandoc*' -perm +001 -type f); do cp $f ${ARTIFACTS}/; done
-          mv ${ARTIFACTS}/pandoc ${ARTIFACTS}/pandoc
+          cabal install --install-method=copy --installdir="${ARTIFACTS}" -fnightly -fembed_data_files pandoc-cli
           cp COPYRIGHT ${ARTIFACTS}/
           echo "Built from ${GITHUB_SHA}" > ${ARTIFACTS}/README.nightly.txt
     - uses: actions/upload-artifact@v3