;ci: github: windows: tweak caching

.github/workflows/windows-nightly.yml

@@ -55,7 +55,12 @@ jobs:
         key:          ${{ runner.os }}-appdata-roaming-stack-${{ hashFiles('**.yaml') }}
         restore-keys: ${{ runner.os }}-appdata-roaming-stack
 
-    - name: Cache stack local programs dir
+    - name: showStuff
+      shell: bash
+      run: |
+        ls -lFRa /c/users/runneradmin/appdata/roaming/stack
+
+    - name: Cache stack programs dir   # ghc, ghc-included packages and their haddocks, mingw, msys2
       id:   stack-programs-dir
       uses: actions/cache@v1
       with:
@@ -65,11 +70,10 @@ jobs:
         key:          ${{ runner.os }}-appdata-local-programs-stack-${{ hashFiles('**.yaml') }}
         restore-keys: ${{ runner.os }}-appdata-local-programs-stack
 
-    - name: showStuff
-      shell: bash
-      run: |
-        #ls -lFRa /c/users/runneradmin/appdata/roaming/stack
-        ls -lFRa /c/users/runneradmin/appdata/local/programs/stack
+    # - name: showStuff
+    #   shell: bash
+    #   run: |
+    #     ls -lFRa /c/users/runneradmin/appdata/local/programs/stack
 
     # stack's local package dbs for the project and each package
     - name: Cache .stack-work
@@ -121,7 +125,7 @@ jobs:
         stack --version
 
     - name: Install GHC
-      if: steps.stack-programs-dir.outputs.cache-hit != 'true'
+      # if: steps.stack-programs-dir.outputs.cache-hit != 'true'
       # set PATH=C:\Users\runneradmin\AppData\Local\Programs\stack\local\bin;%PATH%
       run: |
         stack --no-terminal setup --install-ghc
@@ -131,11 +135,10 @@ jobs:
     # - shelltest --version
 
     - name: Install haskell deps
-      if: steps.stack-global-package-db.outputs.cache-hit != 'true'
       run: |
         stack --no-terminal build --only-dependencies
 
-    - name: Build hledger
+    - name: Build hledger executables
       run: |
         stack --no-terminal install --ghc-options=-Werror