add download-path output to actions/download-artifact@v3 for workaround of (#442)

Author: rhysd

popular_actions.go

@@ -191,6 +191,19 @@ func (g *gen) fetchRemote() (map[string]*actionlint.ActionMetadata, error) {
 			}
 		}
 
+		// Workaround for #442.
+		// Once this issue is fixed or the `download-artifact@v3" is completely obsolete (due to unsupported runner),
+		// remove this `if` statement and regenerate popular_actions.go.
+		// https://github.com/actions/download-artifact/issues/355
+		if f.spec == "actions/download-artifact@v3" {
+			if f.meta.Outputs == nil {
+				f.meta.Outputs = actionlint.ActionMetadataOutputs{}
+			}
+			f.meta.Outputs["download-path"] = &actionlint.ActionMetadataOutput{
+				Name: "download-path",
+			}
+		}
+
 		ret[f.spec] = f.meta
 	}
 

scripts/generate-popular-actions/main.go

@@ -0,0 +1,9 @@
+on: push
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/download-artifact@v3
+        id: dl
+      - run: echo "Download path is ${{ steps.dl.outputs.download-path}}"