Add output parameters

action.yml

@@ -12,6 +12,16 @@ inputs:
     description: 'Produce raw TAP output'
     required: false
     default: 'false'
+outputs:
+  passed:
+    description: "Number of tests passed"
+    value: ${{ steps.run-fishtape-tests.outputs.passed }}
+  failed:
+    description: "Number of tests failed"
+    value: ${{ steps.run-fishtape-tests.outputs.failed }}
+  total:
+    description: "Total number of tests executed"
+    value: ${{ steps.run-fishtape-tests.outputs.total }}
 runs:
   using: 'composite'
   steps:
@@ -24,6 +34,7 @@ runs:
       run: npm install -g tap-diff
       shell: fish {0}
     - name: Run fishtape tests
+      id: run-fishtape-tests
       env:
         PATTERNS: ${{ inputs.patterns }}
         RAW_OUTPUT: ${{ inputs.raw-output }}
@@ -41,10 +52,23 @@ runs:
 
         switch $raw_output
             case true
-                fishtape $files
+                fishtape $files | tee output
             case false
-                fishtape $files | tap-diff
+                fishtape $files | tee output | tap-diff
             case '*'
-                echo "Unrecognised raw output option: '$raw_output'" >&2; and exit 1
+                echo "Unrecognised raw output option: '$raw_output'" >&2
+                exit 1
         end
+
+        tail -n 3 output | \
+          perl -pe \
+          's/^\d\.\.(?<total>\d+)$/$+{total}/g; \
+          s/^# pass (?<passed>\d+)$/$+{passed}/g; \
+          s/^# fail (?<failed>\d+)$/$+{failed}/g; \
+          s/\n/ /g' | \
+          read total passed failed
+
+        echo "{total}=${total}" >> "$GITHUB_OUTPUT"
+        echo "{passed}=${passed}" >> "$GITHUB_OUTPUT"
+        echo "{failed}=${failed}" >> "$GITHUB_OUTPUT"
       shell: fish {0}