feature: add directory argument

.github/workflows/reviewdog.yml

@@ -57,6 +57,21 @@ jobs:
           level: warning
           reporter: "github-check"
 
+  golangci-lint-workdir:
+    name: runner / golangci-lint (workdir)
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: golangci-lint (workdir)
+        uses: ./ # Build with Dockerfile
+        with:
+          workdir: "./testdata"
+          golangci_lint_flags: ""
+          tool_name: "golangci-lint-workdir"
+          level: warning
+          reporter: "github-check"
+          filter_mode: "file"
+
   golangci-lint-all-in-one:
     name: runner / golangci-lint-all-in-one
     runs-on: ubuntu-latest

README.md

@@ -40,6 +40,10 @@ actions with different config.
 Optional. Report level for reviewdog [info,warning,error].
 It's same as `-level` flag of reviewdog.
 
+### `workdir`
+
+Optional. Working directory relative to the root directory.
+
 ### `reporter`
 
 Optional. Reporter of reviewdog command [github-pr-check,github-pr-review].
@@ -102,6 +106,7 @@ jobs:
           # Can pass --config flag to change golangci-lint behavior and target
           # directory.
           golangci_lint_flags: "--config=.github/.golangci.yml ./testdata"
+          workdir: subdirectory/
 
   # Use golint via golangci-lint binary with "warning" level.
   golint:

action.yml

@@ -31,6 +31,9 @@ inputs:
   reviewdog_flags:
     description: 'Additional reviewdog flags'
     default: ''
+  workdir:
+    description: 'Working directory relative to the root directory.'
+    default: '.'
 runs:
   using: 'docker'
   image: 'Dockerfile'

entrypoint.sh

@@ -1,6 +1,6 @@
 #!/bin/sh
 
-cd "$GITHUB_WORKSPACE" || exit 1
+cd "${GITHUB_WORKSPACE}/${INPUT_WORKDIR}" || exit 1
 
 export REVIEWDOG_GITHUB_API_TOKEN="${INPUT_GITHUB_TOKEN}"
 

testdata/main.go

@@ -8,7 +8,7 @@ import (
 func Main(    ) {
 	// langauge
 
-	x    := 1
+	x    := 2
 	x += 1
 	fmt.Sprintf("%d")