fix: extra path lost in composite actions

pkg/runner/runner_test.go

@@ -200,6 +200,7 @@ func TestRunEvent(t *testing.T) {
 		{"../model/testdata", "strategy", "push", "", platforms, secrets}, // TODO: move all testdata into pkg so we can validate it with planner and runner
 		// {"testdata", "issue-228", "push", "", platforms, }, // TODO [igni]: Remove this once everything passes
 		{"../model/testdata", "container-volumes", "push", "", platforms, secrets},
+		{workdir, "path-handling", "push", "", platforms, secrets},
 	}
 
 	for _, table := range tables {

pkg/runner/step_action_remote.go

@@ -196,6 +196,7 @@ func (sar *stepActionRemote) getCompositeRunContext(ctx context.Context) *RunCon
 		// was already created during the pre stage)
 		env := evaluateCompositeInputAndEnv(ctx, sar.RunContext, sar)
 		sar.compositeRunContext.Env = env
+		sar.compositeRunContext.ExtraPath = sar.RunContext.ExtraPath
 	}
 	return sar.compositeRunContext
 }

pkg/runner/testdata/path-handling/action.yml

@@ -0,0 +1,21 @@
+name: output action
+description: output action
+
+inputs:
+  input:
+    description: some input
+    required: false
+
+outputs:
+  job-output:
+    description: some output
+    value: ${{ steps.gen-out.outputs.step-output }}
+
+runs:
+  using: composite
+  steps:
+    - name: run step
+      id: gen-out
+      run: |
+        echo "::set-output name=step-output::"
+      shell: bash

pkg/runner/testdata/path-handling/push.yml

@@ -0,0 +1,39 @@
+name: path tests
+on: push
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: "Append to $GITHUB_PATH"
+        run: |
+          echo "/opt/hostedtoolcache/node/18.99/x64/bin" >> $GITHUB_PATH
+
+      - name: test path (after setup)
+        run: |
+          if ! echo "$PATH" |grep "/opt/hostedtoolcache/node/18.*/\(x64\|arm64\)/bin" ; then
+            echo "Node binaries not in path: $PATH"
+            exit 1
+          fi
+
+      - id: action-with-output
+        uses: ./path-handling/
+
+      - name: test path (after local action)
+        run: |
+          if ! echo "$PATH" |grep "/opt/hostedtoolcache/node/18.*/\(x64\|arm64\)/bin" ; then
+            echo "Node binaries not in path: $PATH"
+            exit 1
+          fi
+
+      - uses: nektos/act-test-actions/composite@main
+        with:
+          input: some input
+
+      - name: test path (after remote action)
+        run: |
+          if ! echo "$PATH" |grep "/opt/hostedtoolcache/node/18.*/\(x64\|arm64\)/bin" ; then
+            echo "Node binaries not in path: $PATH"
+            exit 1
+          fi