Add shfmt workflow

.github/workflows/shfmt.yaml

@@ -0,0 +1,46 @@
+#
+# MIT License
+#
+# (C) Copyright 2022-2024 Hewlett Packard Enterprise Development LP
+#
+# Permission is hereby granted, free of charge, to any person obtaining a
+# copy of this software and associated documentation files (the "Software"),
+# to deal in the Software without restriction, including without limitation
+# the rights to use, copy, modify, merge, publish, distribute, sublicense,
+# and/or sell copies of the Software, and to permit persons to whom the
+# Software is furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included
+# in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+# OTHER DEALINGS IN THE SOFTWARE.
+#
+name: shfmt
+on:
+  pull_request:
+
+jobs:
+  shfmt:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Get changed files
+      id: changed-files
+      uses: tj-actions/changed-files@v45
+      with:
+        files: "**/*.sh"
+        files_ignore: |
+          .github/**/*
+          api/*
+
+    - uses: docker://mvdan/shfmt:v3
+      if: ${{ steps.changed-files.outputs.all_changed_files }}
+      with:
+        args: -ci -s -i 2 -bn -sr -d ${{ steps.changed-files.outputs.all_changed_files }}