Avoid evaluation of command substitution in input

In the body of the bash script, `${{ inputs }}` parameters are often quoted with double quotes, which allow command substitution.  This replaces double quotes with single quotes to prevent that and avoid command substitution.

.github/workflows/CI.yml

@@ -59,7 +59,7 @@ jobs:
     env:
       JULIA_DEPOT_PATH: /tmp/julia-depot
     steps:
-    - uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29
+    - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332
     - name: Set cache-name
       id: cache-name
       shell: bash
@@ -117,7 +117,7 @@ jobs:
     env:
       JULIA_DEPOT_PATH: /tmp/julia-depot
     steps:
-    - uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29
+    - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332
     - uses: julia-actions/setup-julia@v2
       with:
         version: ${{ matrix.version }}
@@ -161,7 +161,7 @@ jobs:
     outputs:
       cache-name: ${{ steps.cache-name.outputs.cache-name }}
     steps:
-    - uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29
+    - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332
     - name: Set cache-name
       id: cache-name
       run: |
@@ -193,7 +193,7 @@ jobs:
     needs: test-save-nomatrix
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29
+    - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332
     - name: Restore cache
       id: cache
       uses: ./
@@ -233,7 +233,7 @@ jobs:
     outputs:
       cache-name: ${{ steps.cache-name.outputs.cache-name }}
     steps:
-    - uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29
+    - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332
     - name: Set cache-name
       id: cache-name
       run: |
@@ -259,7 +259,7 @@ jobs:
     needs: test-save-cloned-registry
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29
+    - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332
     - name: Add General registry clone
       shell: julia --color=yes {0}
       run: |

action.yml

@@ -58,35 +58,40 @@ runs:
 
     - id: paths
       run: |
-        if [ -n "${{ inputs.depot }}" ]; then
-            depot="${{ inputs.depot }}"
+        if [ -n '${{ inputs.depot }}' ]; then
+            depot='${{ inputs.depot }}'
         elif [ -n "$JULIA_DEPOT_PATH" ]; then
             # Use the first depot path
             depot=$(echo $JULIA_DEPOT_PATH | cut -d$PATH_DELIMITER -f1)
         else
             depot="~/.julia"
         fi
+        if [[ "$OSTYPE" == "msys" || "$OSTYPE" == "cygwin" ]]; then
+          depot="${depot/#\~/$USERPROFILE}"  # Windows paths
+        else
+          depot="${depot/#\~/$HOME}"  # Unix-like paths
+        fi
         echo "depot=$depot" | tee -a "$GITHUB_OUTPUT"
 
         cache_paths=()
         artifacts_path="${depot}/artifacts"
-        [ "${{ inputs.cache-artifacts }}" = "true" ] && cache_paths+=("$artifacts_path")
+        [ '${{ inputs.cache-artifacts }}' = "true" ] && cache_paths+=("$artifacts_path")
         packages_path="${depot}/packages"
-        [ "${{ inputs.cache-packages }}" = "true" ] && cache_paths+=("$packages_path")
+        [ '${{ inputs.cache-packages }}' = "true" ] && cache_paths+=("$packages_path")
         registries_path="${depot}/registries"
-        if [ "${{ inputs.cache-registries }}" = "true" ]; then
-            if [ ! -d "${registries_path/#\~/$HOME}" ]; then
+        if [ '${{ inputs.cache-registries }}' = "true" ]; then
+            if [ ! -d "${registries_path}" ]; then
                 cache_paths+=("$registries_path")
             else
                 echo "::warning::Julia depot registries already exist. Skipping restoring of cached registries to avoid potential merge conflicts when updating. Please ensure that \`julia-actions/cache\` precedes any workflow steps which add registries."
             fi
         fi
         compiled_path="${depot}/compiled"
-        [ "${{ inputs.cache-compiled }}" = "true" ] && cache_paths+=("$compiled_path")
+        [ '${{ inputs.cache-compiled }}' = "true" ] && cache_paths+=("$compiled_path")
         scratchspaces_path="${depot}/scratchspaces"
-        [ "${{ inputs.cache-scratchspaces }}" = "true" ] && cache_paths+=("$scratchspaces_path")
+        [ '${{ inputs.cache-scratchspaces }}' = "true" ] && cache_paths+=("$scratchspaces_path")
         logs_path="${depot}/logs"
-        [ "${{ inputs.cache-logs }}" = "true" ] && cache_paths+=("$logs_path")
+        [ '${{ inputs.cache-logs }}' = "true" ] && cache_paths+=("$logs_path")
         {
             echo "cache-paths<<EOF"
             printf "%s\n" "${cache_paths[@]}"
@@ -101,10 +106,10 @@ runs:
       run: |
         # `matrix_key` joins all of matrix keys/values (including nested objects) to ensure that concurrent runs each use a unique cache key.
         # When `matrix` isn't set for the job then `MATRIX_JSON=null`.
-        if [ "${{ inputs.include-matrix }}" == "true" ] && [ "$MATRIX_JSON" != "null" ]; then
+        if [ '${{ inputs.include-matrix }}' == "true" ] && [ "$MATRIX_JSON" != "null" ]; then
           matrix_key=$(echo "$MATRIX_JSON" | jq 'paths(type != "object") as $p | ($p | join("-")) + "=" + (getpath($p) | tostring)' | jq -rs 'join(";") | . + ";"')
         fi
-        restore_key="${{ inputs.cache-name }};os=${{ runner.os }};${matrix_key}"
+        restore_key='${{ inputs.cache-name }};os=${{ runner.os }};${matrix_key}'
         # URL encode any restricted characters:
         # https://github.com/actions/toolkit/blob/5430c5d84832076372990c7c27f900878ff66dc9/packages/cache/src/cache.ts#L38-L43
         restore_key=$(sed 's/,/%2C/g' <<<"${restore_key}")
@@ -132,6 +137,23 @@ runs:
         du -shc ${{ steps.paths.outputs.depot }}/* || true
       shell: bash
 
+    # issue https://github.com/julia-actions/cache/issues/110
+    # Pkg may not run `Registry.update()` if a manifest exists, which may exist because of a
+    # `Pkg.dev` call or because one is added to the repo. So be safe and update cached registries here.
+    # Older (~v1.0) versions of julia that don't have `Pkg.Registry.update()` seem to always update registries in
+    # Pkg operations. So this is only necessary for newer julia versions.
+    - name: Update any cached registries
+      if: ${{ inputs.cache-registries == 'true' }}
+      continue-on-error: true
+      run: |
+        if [ -d "${{ steps.paths.outputs.depot }}/registries" ] && [ -n "$(ls -A "${{ steps.paths.outputs.depot }}/registries")" ]; then
+          echo "Registries directory exists and is non-empty. Updating any registries"
+          julia -e "import Pkg; isdefined(Pkg, :Registry) && Pkg.Registry.update();"
+        else
+          echo "Registries directory does not exist or is empty. Skipping registry update"
+        fi
+      shell: bash
+
     # GitHub actions cache entries are immutable and cannot be updated. In order to have both the Julia
     # depot cache be up-to-date and avoid storing redundant cache entries we'll manually cleanup old
     # cache entries before the new cache is saved. However, we need to be careful with our manual
@@ -157,7 +179,7 @@ runs:
         # seems like there has to be a `main` step in this action. Could list caches for info if we wanted
         # main:  julia ${{ github.action_path }}/handle_caches.jl "${{ github.repository }}" "list"
         main: echo ""
-        post: julia $GITHUB_ACTION_PATH/handle_caches.jl rm "${{ github.repository }}" "${{ steps.keys.outputs.restore-key }}" "${{ github.ref }}" "${{ inputs.delete-old-caches != 'required' }}"
+        post: julia $GITHUB_ACTION_PATH/handle_caches.jl rm '${{ github.repository }}' '${{ steps.keys.outputs.restore-key }}' '${{ github.ref }}' "${{ inputs.delete-old-caches != 'required' }}"
       env:
         GH_TOKEN: ${{ inputs.token }}
 
@@ -168,7 +190,7 @@ runs:
               runner.OS == 'Windows' }}
       with:
         main: echo ""
-        post: cd %GITHUB_ACTION_PATH% && julia handle_caches.jl rm "${{ github.repository }}" "${{ steps.keys.outputs.restore-key }}" "${{ github.ref }}" "${{ inputs.delete-old-caches != 'required' }}"
+        post: cd %GITHUB_ACTION_PATH% && julia handle_caches.jl rm '${{ github.repository }}' '${{ steps.keys.outputs.restore-key }}' '${{ github.ref }}' "${{ inputs.delete-old-caches != 'required' }}"
       env:
         GH_TOKEN: ${{ inputs.token }}