Add GPG install step

.github/workflows/maven-verify.yml

@@ -152,6 +152,12 @@ on:
  default: false
  type: boolean
 
+ install-gpg:
+ description: Ensure all build images have GnuPG installed
+ required: false
+ default: false
+ type: boolean
+
 # allow single build per branch or PR
 concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
@@ -262,6 +268,23 @@ jobs:
  run: |
  brew install mercurial
 
+ - name: Install GnuPG
+ if: >
+ inputs.install-gpg &&
+ steps.should-run.conclusion == 'success' &&
+ matrix.os == 'windows-latest'
+ run: |
+ $env:PATH = "C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\ProgramData\chocolatey\bin"
+ [Environment]::SetEnvironmentVariable("Path", $env:PATH, "Machine")
+ choco install --yes gpg4win
+ echo "C:\Program Files (x86)\Gpg4win\..\GnuPG\bin" >> $env:GITHUB_PATH
+
+ - name: Check GnuPG
+ if: >
+ inputs.install-gpg &&
+ steps.should-run.conclusion == 'success'
+ run: gpg --version
+
  - name: Show free disk space
  if: steps.should-run.conclusion == 'success'
  run: df -h