Target specific scripts in "Check Scripts" template

.github/workflows/check-shell-task.yml

@@ -50,7 +50,7 @@ jobs:
           echo "result=$RESULT" >> $GITHUB_OUTPUT
 
   lint:
-    name: ${{ matrix.configuration.name }}
+    name: ${{ matrix.configuration.name }} (${{ matrix.script }})
     needs: run-determination
     if: needs.run-determination.outputs.result == 'true'
     runs-on: ubuntu-latest
@@ -75,6 +75,8 @@ jobs:
             # ShellCheck's "tty" output format is most suitable for humans reading the log.
             format: tty
             continue-on-error: false
+        script:
+          - etc/install.sh
 
     steps:
       - name: Set environment variables
@@ -114,15 +116,26 @@ jobs:
         continue-on-error: ${{ matrix.configuration.continue-on-error }}
         with:
           linters: gcc
-          run: task --silent shell:check SHELLCHECK_FORMAT=${{ matrix.configuration.format }}
+          # Due to a quirk of the "liskin/gh-problem-matcher-wrap" action, the entire command must be on a single line
+          # (instead of being broken into multiple lines for readability).
+          run: |
+            task --silent shell:check SCRIPT_PATH="${{ matrix.script }}" SHELLCHECK_FORMAT=${{ matrix.configuration.format }}
 
   formatting:
+    name: formatting (${{ matrix.script }})
     needs: run-determination
     if: needs.run-determination.outputs.result == 'true'
     runs-on: ubuntu-latest
     permissions:
       contents: read
 
+    strategy:
+      fail-fast: false
+
+      matrix:
+        script:
+          - etc/install.sh
+
     steps:
       - name: Set environment variables
         run: |
@@ -158,18 +171,30 @@ jobs:
           echo "${{ env.SHFMT_INSTALL_PATH }}" >> "$GITHUB_PATH"
 
       - name: Format shell scripts
-        run: task --silent shell:format
+        run: |
+          task \
+            --silent \
+            shell:format \
+            SCRIPT_PATH="${{ matrix.script }}"
 
       - name: Check formatting
         run: git diff --color --exit-code
 
   executable:
+    name: executable (${{ matrix.script }})
     needs: run-determination
     if: needs.run-determination.outputs.result == 'true'
     runs-on: ubuntu-latest
     permissions:
       contents: read
 
+    strategy:
+      fail-fast: false
+
+      matrix:
+        script:
+          - etc/install.sh
+
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4
@@ -181,4 +206,8 @@ jobs:
           version: 3.x
 
       - name: Check for non-executable scripts
-        run: task --silent shell:check-mode
+        run: |
+          task \
+            --silent \
+            shell:check-mode \
+            SCRIPT_PATH="${{ matrix.script }}"

Taskfile.yml

@@ -396,73 +396,61 @@ tasks:
     cmds:
       - poetry run flake8 --show-source
 
+  # Parameter variables:
+  # - SCRIPT_PATH: path of the script to be checked.
   # Source: https://github.com/arduino/tooling-project-assets/blob/main/workflow-templates/assets/check-shell-task/Taskfile.yml
   shell:check:
     desc: Check for problems with shell scripts
     cmds:
+      - |
+        if [[ "{{.SCRIPT_PATH}}" == "" ]]; then
+          echo "Path to script file must be passed to this task via the SCRIPT_PATH taskfile variable."
+          echo "See: https://github.com/arduino/tooling-project-assets/blob/main/workflow-templates/check-shell-task.md#usage"
+          exit 1
+        fi
       - |
         if ! which shellcheck &>/dev/null; then
           echo "shellcheck not installed or not in PATH. Please install: https://github.com/koalaman/shellcheck#installing"
           exit 1
         fi
       - |
-        # There is something odd about shellcheck that causes the task to always exit on the first fail, despite any
-        # measures that would prevent this with any other command. So it's necessary to call shellcheck only once with
-        # the list of script paths as an argument. This could lead to exceeding the maximum command length on Windows if
-        # the repository contained a large number of scripts, but it's unlikely to happen in reality.
         shellcheck \
           --format={{default "tty" .SHELLCHECK_FORMAT}} \
-          $(
-            # The odd method for escaping . in the regex is required for windows compatibility because mvdan.cc/sh gives
-            # \ characters special treatment on Windows in an attempt to support them as path separators.
-            find . \
-              -path ".git" -prune -or \
-              \( \
-                -regextype posix-extended \
-                -regex '.*[.](bash|sh)' -and \
-                -type f \
-              \)
-          )
+          "{{.SCRIPT_PATH}}"
 
+  # Parameter variables:
+  # - SCRIPT_PATH: path of the script to be checked.
   # Source: https://github.com/arduino/tooling-project-assets/blob/main/workflow-templates/assets/check-shell-task/Taskfile.yml
   shell:check-mode:
     desc: Check for non-executable shell scripts
     cmds:
       - |
-        EXIT_STATUS=0
-        while read -r nonExecutableScriptPath; do
-          # The while loop always runs once, even if no file was found
-          if [[ "$nonExecutableScriptPath" == "" ]]; then
-            continue
-          fi
-
-          echo "::error file=${nonExecutableScriptPath}::non-executable script file: $nonExecutableScriptPath";
-          EXIT_STATUS=1
-        done <<<"$(
-          # The odd approach to escaping `.` in the regex is required for windows compatibility because mvdan.cc/sh
-          # gives `\` characters special treatment on Windows in an attempt to support them as path separators.
-          find . \
-            -path ".git" -prune -or \
-            \( \
-              -regextype posix-extended \
-              -regex '.*[.](bash|sh)' -and \
-              -type f -and \
-              -not -executable \
-              -print \
-            \)
-        )"
-        exit $EXIT_STATUS
+        if [[ "{{.SCRIPT_PATH}}" == "" ]]; then
+          echo "Path to script file must be passed to this task via the SCRIPT_PATH taskfile variable."
+          echo "See: https://github.com/arduino/tooling-project-assets/blob/main/workflow-templates/check-shell-task.md#usage"
+          exit 1
+        fi
+      - |
+        test -x "{{.SCRIPT_PATH}}"
 
+  # Parameter variables:
+  # - SCRIPT_PATH: path of the script to be formatted.
   # Source: https://github.com/arduino/tooling-project-assets/blob/main/workflow-templates/assets/check-shell-task/Taskfile.yml
   shell:format:
     desc: Format shell script files
     cmds:
+      - |
+        if [[ "{{.SCRIPT_PATH}}" == "" ]]; then
+          echo "Path to script file must be passed to this task via the SCRIPT_PATH taskfile variable."
+          echo "See: https://github.com/arduino/tooling-project-assets/blob/main/workflow-templates/check-shell-task.md#usage"
+          exit 1
+        fi
       - |
         if ! which shfmt &>/dev/null; then
           echo "shfmt not installed or not in PATH. Please install: https://github.com/mvdan/sh#shfmt"
           exit 1
         fi
-      - shfmt -w .
+      - shfmt -w "{{.SCRIPT_PATH}}"
 
   # Source: https://github.com/arduino/tooling-project-assets/blob/main/workflow-templates/assets/check-mkdocs-task/Taskfile.yml
   website:check: