3 files changed, 77 insertions, 0 deletions
diff --git a/.github/actions/check-cc-cygwin/action.yml b/.github/actions/check-cc-cygwin/action.yml
new file mode 100644
index 0000000..042709f
--- /dev/null
+++ b/.github/actions/check-cc-cygwin/action.yml
@@ -0,0 +1,26 @@
+name: Check cc/c++
+description: Check cc/c++ (on Cygwin)
+runs:
+  using: composite
+  steps:
+    - run: |
+        check_tool() {
+            local exe
+            for exe; do
+                full_path="$( command -v "$exe" )"
+                echo "$full_path"
+
+                output="$( "$full_path" --version )"
+                echo "$output"
+
+                # Is this really the most stable piece of `gcc --version` output?
+                if ! echo "$output" | grep -F -- "This is free software; see the source for copying conditions."; then
+                    echo 'Unexpected `'"$exe"' --version` output.' >&2
+                    exit 1
+                fi
+            done
+        }
+
+        check_tool cc
+        check_tool c++
+      shell: C:\tools\cygwin\bin\bash.exe --login --norc -eo pipefail -o igncr '{0}'
diff --git a/.github/actions/check-cc/action.yml b/.github/actions/check-cc/action.yml
new file mode 100644
index 0000000..5a6daa8
--- /dev/null
+++ b/.github/actions/check-cc/action.yml
@@ -0,0 +1,25 @@
+name: Check cc/c++
+description: Check cc/c++
+runs:
+  using: composite
+  steps:
+    - run: |
+        $version = '${{ inputs.version }}'
+
+        function Check-Exe {
+            param(
+                [Parameter(Mandatory=$true)]
+                [string] $Exe
+            )
+
+            echo (Get-Command $Exe).Path
+            $output = & $Exe --version
+            echo $output
+
+            # Is this really the most stable piece of `gcc --version` output?
+            $($output | Select-String -Pattern "This is free software; see the source for copying conditions." -SimpleMatch -Quiet) -or $(throw "Unexpected `$Exe --version` output")
+        }
+
+        Check-Exe cc
+        Check-Exe c++
+      shell: pwsh
diff --git a/.github/actions/run-foo/action.yml b/.github/actions/run-foo/action.yml
new file mode 100644
index 0000000..3167545
--- /dev/null
+++ b/.github/actions/run-foo/action.yml
@@ -0,0 +1,26 @@
+name: Run foo.exe
+description: Run foo.exe and verify its output
+runs:
+  using: composite
+  steps:
+    - run: |
+        $expected = @"
+        Doing something #1
+        Doing something #2
+        Doing something #3
+        "@
+
+        $actual = & (Join-Path . foo)
+        $actual = $actual -join [Environment]::NewLine
+
+        echo @"
+        Expected output:
+        $expected
+        "@
+        echo @"
+        Actual output:
+        $actual
+        "@
+
+        $($actual -eq $expected) -or $(throw "Unexpected output!")
+      shell: pwsh