Merge pull request #34 from m-herold/working_directory

Add optional WORKING_DIRECTORY environment variable and fix test run (#33)

Author: norio-nomura

.github/workflows/docker-build.yml

@@ -48,7 +48,7 @@ jobs:
       - name: Exit Status on Warnings with `--strict`
         run: |
           STATUS=$(docker run -v $(pwd):$(pwd) -w $(pwd) --rm action-swiftlint --strict &>/dev/null; echo $?)
-          [[ $STATUS == "3" ]]
+          [[ $STATUS == "2" ]]
         working-directory: ./test/Warnings
         shell: bash
 
@@ -61,3 +61,8 @@ jobs:
         run: diff <(docker run -v $(pwd):$(pwd) -w $(pwd) --rm action-swiftlint|sort) expected.txt
         working-directory: ./test/Warnings
         shell: bash
+
+      - name: Output on Warnings with WORKING_DIRECTORY environment variable
+        run: diff <(docker run -v $(pwd):$(pwd) -w $(pwd) --rm --env WORKING_DIRECTORY=Warnings action-swiftlint|sort) Warnings/expected.txt
+        working-directory: ./test
+        shell: bash

README.md

@@ -31,6 +31,10 @@ jobs:
         uses: norio-nomura/[email protected]
         env:
           DIFF_BASE: ${{ github.base_ref }}
+      - name: GitHub Action for SwiftLint (Different working directory)
+        uses: norio-nomura/[email protected]
+        env:
+          WORKING_DIRECTORY: Source
 ```
 
 ## Secrets

entrypoint.sh

@@ -11,9 +11,14 @@ function convertToGitHubActionsLoggingCommands() {
     sed -E 's/^(.*):([0-9]+):([0-9]+): (warning|error|[^:]+): (.*)/::\4 file=\1,line=\2,col=\3::\5/'
 }
 
+if ! ${WORKING_DIRECTORY+false};
+then
+	cd ${WORKING_DIRECTORY}
+fi
+
 if ! ${DIFF_BASE+false};
 then
-	changedFiles=$(git --no-pager diff --name-only FETCH_HEAD $(git merge-base FETCH_HEAD $DIFF_BASE) -- '*.swift')
+	changedFiles=$(git --no-pager diff --name-only --relative FETCH_HEAD $(git merge-base FETCH_HEAD $DIFF_BASE) -- '*.swift')
 
 	if [ -z "$changedFiles" ]
 	then