Implement path parameter (#168)

* Implement path parameter

* Add test

* Update README.md

* Corrections after code review

* Update action.yml

* Update test.yml

* Do not use realpath

* Update entrypoint.sh

* Update test.yml

Co-authored-by: Ivan Pizhenko <IvanPizhenko@users.noreply.github.com>
Co-authored-by: Tonye Jack <jtonye@ymail.com>

.all-contributorsrc

@@ -32,6 +32,16 @@
         "code",
         "doc"
       ]
+    },
+    {
+      "login": "IvanPizhenko",
+      "name": "Ivan Pizhenko",
+      "avatar_url": "https://avatars.githubusercontent.com/u/11859904?v=4",
+      "profile": "https://github.com/IvanPizhenko",
+      "contributions": [
+        "code",
+        "doc"
+      ]
     }
   ],
   "contributorsPerLine": 7,

.github/workflows/test.yml

@@ -20,6 +20,59 @@ jobs:
       - name: shellcheck
         uses: reviewdog/action-shellcheck@v1.7
 
+  test-multiple-repositories:
+    name: Test with multiple repositories
+    runs-on: ${{ matrix.platform }}
+    strategy:
+      fail-fast: false
+      matrix:
+        platform: [ubuntu-latest, windows-latest, macos-latest]
+    steps:
+      - name: Checkout into dir1
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+          path: dir1
+      - name: Run changed-files with defaults on the dir1
+        id: changed-files-dir1
+        uses: ./dir1
+        with:
+          path: dir1
+      - name: Show output
+        run: |
+          echo "${{ toJSON(steps.changed-files-dir1.outputs) }}"
+        shell:
+          bash
+      - name: List all modified files
+        run: |
+          for file in "${{ steps.changed-files-dir1.outputs.modified_files }}"; do
+            echo $file
+          done
+        shell:
+          bash
+      - name: Checkout into dir2
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+          path: dir2
+      - name: Run changed-files with defaults on the dir2
+        id: changed-files-dir2
+        uses: ./dir2
+        with:
+          path: dir2
+      - name: Show output
+        run: |
+          echo "${{ toJSON(steps.changed-files-dir2.outputs) }}"
+        shell:
+          bash
+      - name: List all modified files
+        run: |
+          for file in "${{ steps.changed-files-dir2.outputs.modified_files }}"; do
+            echo $file
+          done
+        shell:
+          bash
+
   test-no-head-sha:
     name: Test changed-files missing head sha
     runs-on: ${{ matrix.platform }}
@@ -31,12 +84,12 @@ jobs:
     steps:
       - name: Checkout to branch
         uses: actions/checkout@v2
-      
+
       - name: Run changed-files with defaults
         id: changed-files
         continue-on-error: true
         uses: ./
-      
+
       - name: Show output
         run: |
           echo "${{ toJSON(steps.changed-files.outputs) }}"

.gitignore

@@ -1,2 +1,4 @@
 .idea/
 .envrc
+tag.sh
+untag.sh

README.md

@@ -53,11 +53,11 @@ jobs:
       - uses: actions/checkout@v2
         with:
           fetch-depth: 0  # OR "2" -> To retrieve the preceding commit.
-      
+
       - name: Get changed files
         id: changed-files
         uses: tj-actions/changed-files@v1.0.0
-      
+
       - name: List all modified files
         run: |
           for file in "${{ steps.changed-files.outputs.all_modified_files }}"; do
@@ -104,6 +104,7 @@ jobs:
 | base_sha           |  `string`      |    `false`     |                     | Specify a different <br> base commit SHA <br> used for <br> comparing changes  |
 | sha           |  `string`      |    `true`     | `${{ github.sha }}`           | Specify a different <br> commit SHA <br> used for <br> comparing changes  |
 | files_from_source_file |  `string`      |    `false`     |                    | Source file <br> used to populate <br> the files input |
+| path | `string` | `false` |  | Relative path under <br> `GITHUB_WORKSPACE` <br> to the repository |
 
 ## Example
 
@@ -115,7 +116,7 @@ jobs:
       - name: Get changed files using defaults
         id: changed-files
         uses: tj-actions/changed-files@v1.0.0
-      
+
       - name: Get changed files using a comma separator
         id: changed-files-comma
         uses: tj-actions/changed-files@v1.0.0
@@ -148,7 +149,7 @@ jobs:
             new.txt
             test_directory
             *.sh
-            .(png|jpeg)$   
+            .(png|jpeg)$
             .(sql)$
             ^(mynewfile|custom)
 
@@ -156,12 +157,12 @@ jobs:
         if: steps.changed-files-specific.outputs.any_changed == 'true'
         run: |
           echo "One or more files listed above has changed."
-          
+
       - name: Run step if only the files listed above change
         if: steps.changed-files-specific.outputs.only_changed == 'true'
         run: |
           echo "Only files listed above have changed."
-      
+
       - name: Use a source file or list of file(s) to populate to files input.
         id: changed-files-specific-source-file
         uses: tj-actions/changed-files@v1.0.0
@@ -183,13 +184,13 @@ jobs:
         uses: tj-actions/changed-files@v1.0.0
         with:
           sha: ${{ github.event.pull_request.head.sha }}
-          
+
       - name: Use a different base SHA
         id: changed-files-custom-base-sha
         uses: tj-actions/changed-files@v1.0.0
         with:
           base_sha: "2096ed0"
-        
+
 ```
 
 ### Running [pre-commit](https://pre-commit.com/) on all modified files
@@ -200,7 +201,7 @@ jobs:
       - uses: actions/checkout@v2
         with:
           fetch-depth: 0
-      
+
       - name: Get changed files
         id: changed-files
         uses: tj-actions/changed-files@v1.0.0

action.yml

@@ -25,6 +25,9 @@ inputs:
   base_sha:
     description: 'Specify a base commit SHA on used for comparing changes'
     required: false
+  path:
+    description: 'Specify a relative path under $GITHUB_WORKSPACE to locate the repository'
+    required: false
 
 outputs:
   added_files:
@@ -100,6 +103,7 @@ runs:
         INPUT_TOKEN: ${{ inputs.token }}
         INPUT_FILES: ${{ join(format('{0} {1}', inputs.files, steps.source-input-files.outputs.files), ' ') }}
         INPUT_SEPARATOR: ${{ inputs.separator }}
+        INPUT_PATH: ${{ inputs.path }}
 
 branding:
   icon: file-text

entrypoint.sh

@@ -4,6 +4,17 @@ set -e
 
 echo "::group::changed-files"
 
+echo "Resolving repository path..."
+
+if [[ -n $INPUT_PATH ]]; then
+  REPO_DIR="$GITHUB_WORKSPACE/$INPUT_PATH"
+  if [[ ! -d "$REPO_DIR" ]]; then
+    echo "::warning::Invalid repository path"
+    exit 1
+  fi
+  cd "$REPO_DIR"
+fi
+
 git remote add temp_changed_files "https://${INPUT_TOKEN}@github.com/${GITHUB_REPOSITORY}"
 
 echo "Getting HEAD info..."
@@ -27,7 +38,7 @@ if [[ -z $GITHUB_BASE_REF ]]; then
   fi
   TARGET_BRANCH=${GITHUB_REF/refs\/heads\//}
   CURRENT_BRANCH=$TARGET_BRANCH
-  
+
   if [[ $exit_status -ne 0 ]]; then
     echo "::warning::Unable to determine the previous commit sha"
     echo "::warning::You seem to be missing 'fetch-depth: 0' or 'fetch-depth: 2'. See https://github.com/tj-actions/changed-files#usage"
@@ -42,7 +53,7 @@ else
   else
     PREVIOUS_SHA=$INPUT_BASE_SHA
   fi
-  
+
   if [[ $exit_status -ne 0 ]]; then
     echo "::warning::Unable to determine the base ref sha for ${TARGET_BRANCH}"
     exit 1