Fixed bug with any_changed boolean (#68)

Closes: #67

.github/workflows/auto-merge.yml

@@ -0,0 +1,23 @@
+name: automerge
+on:
+  check_suite:
+    types:
+      - rerequested
+      - completed
+
+jobs:
+  automerge:
+    runs-on: ubuntu-latest
+    if: |
+      github.actor == 'dependabot[bot]' ||
+      github.actor == 'dependabot'
+    steps:
+      - name: automerge
+        uses: pascalgn/automerge-action@v0.14.1
+        env:
+          GITHUB_TOKEN: ${{ secrets.PAT_TOKEN }}
+          MERGE_METHOD: "rebase"
+          UPDATE_METHOD: "rebase"
+          MERGE_RETRIES: "6"
+          MERGE_RETRY_SLEEP: "100000"
+          MERGE_LABELS: ""

.github/workflows/rebase.yml

@@ -8,11 +8,11 @@ jobs:
     if: github.event.issue.pull_request != '' && contains(github.event.comment.body, '/rebase')
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v2.3.4
         with:
           token: ${{ secrets.PAT_TOKEN }}
           fetch-depth: 0 # otherwise, you will failed to push refs to dest repo
       - name: Automatic Rebase
-        uses: cirrus-actions/rebase@1.4
+        uses: cirrus-actions/rebase@1.5
         env:
           GITHUB_TOKEN: ${{ secrets.PAT_TOKEN }}

.github/workflows/sync-release-version.yml

@@ -8,22 +8,22 @@ jobs:
   update-version:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v2.3.4
         with:
           fetch-depth: 0
       - name: Sync release version.
-        uses: tj-actions/sync-release-version@v8.5
+        uses: tj-actions/sync-release-version@v8.6
         id: sync-release-version
         with:
           pattern: '${{ github.repository }}@'
           paths: |
             README.md
       - name: Generate CHANGELOG
-        uses: tj-actions/github-changelog-generator@v1.6
+        uses: tj-actions/github-changelog-generator@v1.8
         with:
           output: 'HISTORY.md'
       - name: Create Pull Request
-        uses: peter-evans/create-pull-request@v3
+        uses: peter-evans/create-pull-request@v3.9.2
         with:
           base: "main"
           title: "Upgraded to ${{ steps.sync-release-version.outputs.new_version }}"

.github/workflows/test.yml

@@ -14,7 +14,7 @@ jobs:
     name: Test changed-files
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v2.3.4
         with:
           fetch-depth: 0
       - name: Run changed-files with defaults
@@ -45,8 +45,8 @@ jobs:
         uses: ./
         with:
           files: |
-            action.yml
             .github/workflows/test.yml
+            action.yml
       - name: Show output
         run: |
           echo "${{ toJSON(steps.changed-files-specific.outputs) }}"
@@ -55,8 +55,8 @@ jobs:
         uses: ./
         with:
           files: |
-            action.yml
             .github/workflows/test.yml
+            action.yml
           separator: ","
       - name: Show output
         run: |

HISTORY.md

@@ -1,5 +1,105 @@
 # Changelog
 
+## [v6](https://github.com/tj-actions/changed-files/tree/v6) (2021-05-14)
+
+[Full Changelog](https://github.com/tj-actions/changed-files/compare/v5.3...v6)
+
+**Closed issues:**
+
+- Improve test coverage [\#54](https://github.com/tj-actions/changed-files/issues/54)
+- Dependency Dashboard [\#27](https://github.com/tj-actions/changed-files/issues/27)
+
+**Merged pull requests:**
+
+- Bump peter-evans/create-pull-request from 3.9.1 to 3.9.2 [\#63](https://github.com/tj-actions/changed-files/pull/63) ([dependabot[bot]](https://github.com/apps/dependabot))
+- Deprecate all\_changed output. [\#62](https://github.com/tj-actions/changed-files/pull/62) ([jackton1](https://github.com/jackton1))
+- Bump peter-evans/create-pull-request from 3 to 3.9.1 [\#61](https://github.com/tj-actions/changed-files/pull/61) ([dependabot[bot]](https://github.com/apps/dependabot))
+- Bump actions/checkout from 2 to 2.3.4 [\#60](https://github.com/tj-actions/changed-files/pull/60) ([dependabot[bot]](https://github.com/apps/dependabot))
+- Fixed typo [\#58](https://github.com/tj-actions/changed-files/pull/58) ([jackton1](https://github.com/jackton1))
+- Upgraded to v5.3 [\#57](https://github.com/tj-actions/changed-files/pull/57) ([jackton1](https://github.com/jackton1))
+
+## [v5.3](https://github.com/tj-actions/changed-files/tree/v5.3) (2021-05-08)
+
+[Full Changelog](https://github.com/tj-actions/changed-files/compare/v5.2...v5.3)
+
+**Merged pull requests:**
+
+- Add warning message when the head sha is empty [\#56](https://github.com/tj-actions/changed-files/pull/56) ([jackton1](https://github.com/jackton1))
+- Update tj-actions/sync-release-version action to v8.6 [\#55](https://github.com/tj-actions/changed-files/pull/55) ([renovate[bot]](https://github.com/apps/renovate))
+- Upgraded to v5.2 [\#53](https://github.com/tj-actions/changed-files/pull/53) ([jackton1](https://github.com/jackton1))
+
+## [v5.2](https://github.com/tj-actions/changed-files/tree/v5.2) (2021-05-06)
+
+[Full Changelog](https://github.com/tj-actions/changed-files/compare/v5.1...v5.2)
+
+**Implemented enhancements:**
+
+- \[shellcheck\]: Resolve SC2001 [\#42](https://github.com/tj-actions/changed-files/issues/42)
+- \[shellcheck\]: Resolve SC2128 [\#41](https://github.com/tj-actions/changed-files/issues/41)
+
+**Merged pull requests:**
+
+- Update tj-actions/github-changelog-generator action to v1.8 [\#52](https://github.com/tj-actions/changed-files/pull/52) ([renovate[bot]](https://github.com/apps/renovate))
+- Upgraded to v5.1 [\#51](https://github.com/tj-actions/changed-files/pull/51) ([jackton1](https://github.com/jackton1))
+
+## [v5.1](https://github.com/tj-actions/changed-files/tree/v5.1) (2021-05-01)
+
+[Full Changelog](https://github.com/tj-actions/changed-files/compare/v5...v5.1)
+
+**Merged pull requests:**
+
+- Strip leading whitespaces [\#50](https://github.com/tj-actions/changed-files/pull/50) ([jackton1](https://github.com/jackton1))
+- Upgraded to v5 [\#49](https://github.com/tj-actions/changed-files/pull/49) ([jackton1](https://github.com/jackton1))
+
+## [v5](https://github.com/tj-actions/changed-files/tree/v5) (2021-05-01)
+
+[Full Changelog](https://github.com/tj-actions/changed-files/compare/v4.4...v5)
+
+**Merged pull requests:**
+
+- Update README.md [\#48](https://github.com/tj-actions/changed-files/pull/48) ([jackton1](https://github.com/jackton1))
+- Upgraded to v5.3 [\#47](https://github.com/tj-actions/changed-files/pull/47) ([jackton1](https://github.com/jackton1))
+- Fixed bug with all\_changed when array is empty [\#46](https://github.com/tj-actions/changed-files/pull/46) ([jackton1](https://github.com/jackton1))
+- Upgraded to v5.2 [\#45](https://github.com/tj-actions/changed-files/pull/45) ([jackton1](https://github.com/jackton1))
+- Upgraded to v5.1 [\#44](https://github.com/tj-actions/changed-files/pull/44) ([jackton1](https://github.com/jackton1))
+- Upgraded to v5 [\#43](https://github.com/tj-actions/changed-files/pull/43) ([jackton1](https://github.com/jackton1))
+- Upgraded to v5 [\#40](https://github.com/tj-actions/changed-files/pull/40) ([jackton1](https://github.com/jackton1))
+- Switch to using a bash script. [\#39](https://github.com/tj-actions/changed-files/pull/39) ([jackton1](https://github.com/jackton1))
+- Upgraded to v4.4 [\#38](https://github.com/tj-actions/changed-files/pull/38) ([jackton1](https://github.com/jackton1))
+
+## [v4.4](https://github.com/tj-actions/changed-files/tree/v4.4) (2021-05-01)
+
+[Full Changelog](https://github.com/tj-actions/changed-files/compare/v4.3...v4.4)
+
+**Merged pull requests:**
+
+- Update .gitignore [\#36](https://github.com/tj-actions/changed-files/pull/36) ([jackton1](https://github.com/jackton1))
+- Add support for any changed file. [\#35](https://github.com/tj-actions/changed-files/pull/35) ([jackton1](https://github.com/jackton1))
+- Update .gitignore [\#34](https://github.com/tj-actions/changed-files/pull/34) ([jackton1](https://github.com/jackton1))
+- Renamed has\_changed to all\_changed [\#33](https://github.com/tj-actions/changed-files/pull/33) ([jackton1](https://github.com/jackton1))
+- Upgraded to v4.3 [\#32](https://github.com/tj-actions/changed-files/pull/32) ([jackton1](https://github.com/jackton1))
+
+## [v4.3](https://github.com/tj-actions/changed-files/tree/v4.3) (2021-05-01)
+
+[Full Changelog](https://github.com/tj-actions/changed-files/compare/v4.2...v4.3)
+
+**Fixed bugs:**
+
+- fatal error when using @v4.2 [\#28](https://github.com/tj-actions/changed-files/issues/28)
+
+**Closed issues:**
+
+- Add support for watching a subset of files. [\#20](https://github.com/tj-actions/changed-files/issues/20)
+
+**Merged pull requests:**
+
+- Add support to filter only specific files [\#31](https://github.com/tj-actions/changed-files/pull/31) ([jackton1](https://github.com/jackton1))
+- Bump tj-actions/sync-release-version from v8 to v8.5 [\#30](https://github.com/tj-actions/changed-files/pull/30) ([dependabot[bot]](https://github.com/apps/dependabot))
+- Upgrade to GitHub-native Dependabot [\#29](https://github.com/tj-actions/changed-files/pull/29) ([dependabot-preview[bot]](https://github.com/apps/dependabot-preview))
+- Update tj-actions/github-changelog-generator action to v1.6 [\#26](https://github.com/tj-actions/changed-files/pull/26) ([renovate[bot]](https://github.com/apps/renovate))
+- Update README.md [\#25](https://github.com/tj-actions/changed-files/pull/25) ([jackton1](https://github.com/jackton1))
+- Upgraded to v4.2 [\#24](https://github.com/tj-actions/changed-files/pull/24) ([jackton1](https://github.com/jackton1))
+
 ## [v4.2](https://github.com/tj-actions/changed-files/tree/v4.2) (2021-04-23)
 
 [Full Changelog](https://github.com/tj-actions/changed-files/compare/v4.1...v4.2)
@@ -67,12 +167,15 @@
 - Configure Renovate [\#9](https://github.com/tj-actions/changed-files/pull/9) ([renovate[bot]](https://github.com/apps/renovate))
 - Update test.yml [\#8](https://github.com/tj-actions/changed-files/pull/8) ([jackton1](https://github.com/jackton1))
 - Upgraded to v2.1 [\#6](https://github.com/tj-actions/changed-files/pull/6) ([jackton1](https://github.com/jackton1))
-- Upgraded to v2 [\#5](https://github.com/tj-actions/changed-files/pull/5) ([jackton1](https://github.com/jackton1))
 
 ## [v2.1](https://github.com/tj-actions/changed-files/tree/v2.1) (2021-03-18)
 
 [Full Changelog](https://github.com/tj-actions/changed-files/compare/v2...v2.1)
 
+**Merged pull requests:**
+
+- Upgraded to v2 [\#5](https://github.com/tj-actions/changed-files/pull/5) ([jackton1](https://github.com/jackton1))
+
 ## [v2](https://github.com/tj-actions/changed-files/tree/v2) (2021-03-14)
 
 [Full Changelog](https://github.com/tj-actions/changed-files/compare/v1...v2)

README.md

@@ -3,52 +3,25 @@
 changed-files
 -------------
 
-Get all modified files relative to the default branch or preceding commit.
+Retrieve all changed, added, modified and deleted files relative to the default branch (`pull_request*` events) or last commit (`push` event).
 
 
-## Outputs
-
-Using the default separator.
-
-| Acronym   |  Meaning     |
-|:---------:|:------------:|
-| A         | Added        |
-| C         | Copied       |
-| M         | Modified.    |
-| D         | Deleted      |
-| R         | Renamed      |
-| T         | Type changed |
-| U         | Unmerged     |
-| X         | Unknown      |
-
-
-|   Output             |    type      |  example                       |         description                      |
-|:-------------------:|:------------:|:------------------------------:|:----------------------------------------:|
-| all_modified_files   |  `string`    |    'new.txt other.png ...'     |  Select all modified files <br /> *i.e a combination of all added, <br />copied and modified files (ACM).*  |
-| has_changed          |  `string`     |     `true OR false`             |  Returns `true` only when the filenames provided using `files` input have all changed |
-| all_changed_files   |  `string`    |    'new.txt other.png ...'     |  Select all paths (*) <br /> *i.e a combination of all options below.*  |
-| added_files         |  `string`    |    'new.txt other.png ...'     |  Select only files that are Added (A)    |
-| copied_files        |  `string`    |    'new.txt other.png ...'     |  Select only files that are Copied (C)   |
-| deleted_files       |  `string`    |    'new.txt other.png ...'     |  Select only files that are Deleted (D)  |
-| modified_files      |  `string`    |    'new.txt other.png ...'     |  Select only files that are Modified (M) |
-| renamed_files       |  `string`    |    'new.txt other.png ...'     |  Select only files that are Renamed (R)  |
-| changed_files       |  `string`    |    'new.txt other.png ...'     |  Select only files that have their file type changed (T) |
-| unmerged_files      |  `string`    |    'new.txt other.png ...'     |  Select only files that are Unmerged (U) |
-| unknown_files       |  `string`    |    'new.txt other.png ...'     |  Select only files that are Unknown (X)  |
-
-
-## Inputs
-
-|   Input       |    type    |  required      |  default                      |  description  |
-|:-------------:|:-----------:|:-------------:|:----------------------------:|:-------------:|
-| separator         |  `string`   |    `true` |                          `' '` |  Separator to return outputs        |
-| files         |  `string OR string[]`   |    `false` |                           |  Restricted list of specific files to watch for changes |
+## Features
+- List all files that have changed
+  - Between the current pull request branch and the default branch
+  - Between the last commit and the current pushed change.
+- Restrict change detection to a subset of files.
+  - Report on files that have at least one change.
+  - Regex pattern matching on a subset of files.
 
 
 ## Usage
 
 > NOTE: :warning:
 > * For `push` events to work you need to include `fetch-depth: 0` **OR** `fetch-depth: 2` depending on your use case.
+> * When using `persist-credentials: false` with `actions/checkout@v2` 
+> 
+>     you'll need to specify a `token` using the `token` input.
 
 
 
@@ -64,7 +37,7 @@ on:
       - main
 
 jobs:
-  test:
+  build:
     runs-on: ubuntu-latest
     name: Test changed-files
     steps:
@@ -74,7 +47,7 @@ jobs:
       
       - name: Get changed files
         id: changed-files
-        uses: tj-actions/changed-files@v4.2
+        uses: tj-actions/changed-files@v6
       
       - name: List all modified files
         run: |
@@ -84,38 +57,94 @@ jobs:
 ```
 
 
+## Outputs
+
+| Acronym   |  Meaning     |
+|:---------:|:------------:|
+| A         | Added        |
+| C         | Copied       |
+| M         | Modified.    |
+| D         | Deleted      |
+| R         | Renamed      |
+| T         | Type changed |
+| U         | Unmerged     |
+| X         | Unknown      |
+
+
+|   Output             |    type      |  example                       |         description                      |
+|:-------------------:|:------------:|:------------------------------:|:----------------------------------------:|
+| any_changed          |  `string`     |     `true` OR `false`             |  Returns `true` when any of the filenames provided using the `files` input has changed |
+| all_modified_files   |  `string`    |    `'new.txt other.png ...'`     |  Select all modified files <br /> *i.e a combination of all added, <br />copied and modified files (ACM).*  |
+| all_changed_files   |  `string`    |    `'new.txt other.png ...'`     |  Select all paths (*) <br /> *i.e a combination of all options below.*  |
+| added_files         |  `string`    |    `'new.txt other.png ...'`    |  Select only files that are Added (A)    |
+| copied_files        |  `string`    |    `'new.txt other.png ...'`     |  Select only files that are Copied (C)   |
+| deleted_files       |  `string`    |    `'new.txt other.png ...'`     |  Select only files that are Deleted (D)  |
+| modified_files      |  `string`    |    `'new.txt other.png ...'`     |  Select only files that are Modified (M) |
+| renamed_files       |  `string`    |    `'new.txt other.png ...'`    |  Select only files that are Renamed (R)  |
+| changed_files       |  `string`    |    `'new.txt other.png ...'`     |  Select only files that have their file type changed (T) |
+| unmerged_files      |  `string`    |    `'new.txt other.png ...'`     |  Select only files that are Unmerged (U) |
+| unknown_files       |  `string`    |    `'new.txt other.png ...'`     |  Select only files that are Unknown (X)  |
+
+
+## Inputs
+
+|   Input       |    type    |  required      |  default                      |  description  |
+|:-------------:|:-----------:|:-------------:|:----------------------------:|:-------------:|
+| token         |  `string`   |    `false`    | `${{ github.token }}` | [GITHUB_TOKEN](https://docs.github.com/en/free-pro-team@latest/actions/reference/authentication-in-a-workflow#using-the-github_token-in-a-workflow) <br /> or a repo scoped <br /> [Personal Access Token](https://docs.github.com/en/free-pro-team@latest/github/authenticating-to-github/creating-a-personal-access-token)              |
+| separator         |  `string`   |    `true` |                          `' '` |  Output string separator   |
+| files         |  `string` OR `string[]`   |    `false` |                           |  Restricted list <br> or string of specific <br> files or filename <br> to watch for changes |
+
+
 ## Example
 
 ```yaml
 ...
     steps:
       - uses: actions/checkout@v2
+
       - name: Get changed files using defaults
         id: changed-files
-        uses: tj-actions/changed-files@v4.2
+        uses: tj-actions/changed-files@v6
       
       - name: Get changed files using a comma separator
         id: changed-files-comma
-        uses: tj-actions/changed-files@v4.2
+        uses: tj-actions/changed-files@v6
         with:
           separator: ","
-       
+
       - name: List all added files
         run: |
           for file in "${{ steps.changed-files.outputs.added_files }}"; do
             echo "$file was added"
           done
-          
+
       - name: Run step when a file changes
         if: contains(steps.changed-files.outputs.modified_files, 'my-file.txt')
         run: |
-            echo "Your file my-file.txt has been modified."
+          echo "Your file my-file.txt has been modified."
 
       - name: Run step when a file has been deleted
         if: contains(steps.changed-files.outputs.deleted_files, 'test.txt')
         run: |
-            echo "Your test.txt has been deleted."
-            
+          echo "Your test.txt has been deleted."
+
+      - name: Get specific changed files
+        id: changed-files-specific
+        uses: tj-actions/changed-files@v6
+        with:
+          files: |
+            my-file.txt
+            test.txt
+            new.txt
+            test_directory
+            .(py|jpeg)$   
+            .(sql)$
+            ^(mynewfile|custom)
+
+       - name: Run step if any of the listed files above change
+         if: steps.changed-files-specific.outputs.any_changed == 'true'
+         run: |
+           echo "One or more files listed above has changed."
         
 ```
 
@@ -126,11 +155,11 @@ jobs:
     steps:
       - uses: actions/checkout@v2
         with:
-          fetch-depth: 0  # otherwise, you will fail to push refs to dest repo
+          fetch-depth: 0
       
       - name: Get changed files
         id: changed-files
-        uses: tj-actions/changed-files@v4.2
+        uses: tj-actions/changed-files@v6
 
       - name: Pre-commit
         uses: pre-commit/action@v2.0.0
@@ -143,27 +172,12 @@ jobs:
 
 
 ## Example
-
-![Screen Shot 2021-04-02 at 9 06 04 AM](https://user-images.githubusercontent.com/17484350/113418057-b9fff600-9392-11eb-84e5-f5a91bfa8b11.png)
-
+![Screen Shot 2021-05-13 at 4 55 30 PM](https://user-images.githubusercontent.com/17484350/118186772-1cc1c400-b40c-11eb-8fe8-b651e674ce96.png)
 
 
 * Free software: [MIT license](LICENSE)
 
 
-Features
---------
-- Added Files
-- Copied Files
-- Deleted Files
-- Modified Files
-- Renamed Files
-- Changed Files
-- Unmerged Files
-- Unknown Files
-- All Changed Files
-
-
 Credits
 -------
 

action.yml

@@ -2,6 +2,10 @@ name: Changed files
 description: Get all changed files
 author: tj-actions
 inputs:
+  token:
+    description: 'Github token'
+    required: true
+    default: ${{ github.token }}
   separator:
     description: 'Split character for array output'
     required: true
@@ -42,114 +46,127 @@ outputs:
   all_modified_files:
     description: List of all copied modified and added files
     value: ${{ steps.changed_files.outputs.all_modified_files }}
-  has_changed:
-    description: Return true only when all files provided using the files input have all changed.
-    value: ${{ steps.changed_files.outputs.has_changed }}
+  any_changed:
+    description: Return true only when any files provided using the files input have changed.
+    value: ${{ steps.changed_files.outputs.any_changed }}
 
 runs:
   using: 'composite'
   steps:
     - id: changed_files
       run: |
-        echo "Getting head sha..."
+        set -e
+        
+        git remote set-url origin "https://${{ inputs.token }}@github.com/${{ github.repository }}"
 
+        export INPUT_FILES="${{ inputs.files }}"
+        export INPUT_SEPARATOR="${{ inputs.separator }}"
+        echo "Getting head sha..."
         if [[ -z $GITHUB_BASE_REF ]]; then
           HEAD_SHA=$(git rev-parse HEAD^1 || true)
         else
           TARGET_BRANCH=${GITHUB_BASE_REF}
-          git fetch --depth=1 origin ${TARGET_BRANCH}:${TARGET_BRANCH}
-          HEAD_SHA=$(git rev-parse ${TARGET_BRANCH} || true)
+          git fetch --depth=1 origin "${TARGET_BRANCH}":"${TARGET_BRANCH}"
+          HEAD_SHA=$(git rev-parse "${TARGET_BRANCH}" || true)
         fi
         
-        INPUT_FILES="${{ inputs.files }}"
-
-        if [[ -z "$INPUT_FILES" ]]; then
-
-          echo "Getting diff..."
-
-          ADDED=$(git diff --diff-filter=A --name-only "$HEAD_SHA" | tr "\n" "${{ inputs.separator }}" | sed -E 's/(${{ inputs.separator }})$//')
-          COPIED=$(git diff --diff-filter=C --name-only "$HEAD_SHA" | tr "\n" "${{ inputs.separator }}" | sed -E 's/(${{ inputs.separator }})$//')
-          DELETED=$(git diff --diff-filter=D --name-only "$HEAD_SHA" | tr "\n" "${{ inputs.separator }}" | sed -E 's/(${{ inputs.separator }})$//')
-          MODIFIED=$(git diff --diff-filter=M --name-only "$HEAD_SHA" | tr "\n" "${{ inputs.separator }}" | sed -E 's/(${{ inputs.separator }})$//')
-          RENAMED=$(git diff --diff-filter=R --name-only "$HEAD_SHA" | tr "\n" "${{ inputs.separator }}" | sed -E 's/(${{ inputs.separator }})$//')
-          CHANGED=$(git diff --diff-filter=T --name-only "$HEAD_SHA" | tr "\n" "${{ inputs.separator }}" | sed -E 's/(${{ inputs.separator }})$//')
-          UNMERGED=$(git diff --diff-filter=U --name-only "$HEAD_SHA" | tr "\n" "${{ inputs.separator }}" | sed -E 's/(${{ inputs.separator }})$//')
-          UNKNOWN=$(git diff --diff-filter=X --name-only "$HEAD_SHA" | tr "\n" "${{ inputs.separator }}" | sed -E 's/(${{ inputs.separator }})$//')
-          ALL_CHANGED=$(git diff --diff-filter='*ACDMRTUX' --name-only "$HEAD_SHA" | tr "\n" "${{ inputs.separator }}" | sed -E 's/(${{ inputs.separator }})$//')
-          ALL_MODIFIED_FILES=$(git diff --diff-filter='ACM' --name-only "$HEAD_SHA" | tr "\n" "${{ inputs.separator }}" | sed -E 's/(${{ inputs.separator }})$//')
-        
-          echo "::set-output name=added_files::$ADDED"
-          echo "::set-output name=copied_files::$COPIED"
-          echo "::set-output name=deleted_files::$DELETED"
-          echo "::set-output name=modified_files::$MODIFIED"
-          echo "::set-output name=renamed_files::$RENAMED"
-          echo "::set-output name=changed_files::$CHANGED"
-          echo "::set-output name=unmerged_files::$UNMERGED"
-          echo "::set-output name=unknown_files::$UNKNOWN"
-          echo "::set-output name=all_changed_files::$ALL_CHANGED"
-          echo "::set-output name=all_modified_files::$ALL_MODIFIED_FILES"
-
+        if [[ -z $HEAD_SHA ]]; then
+          echo "::warning::Unable to determine the head sha: $HEAD_SHA."
+          echo "::warning::You seem to be missing `fetch-depth: 0` or `fetch-depth: 2`"
         else
-          ADDED=()
-          COPIED=()
-          DELETED=()
-          MODIFIED=()
-          RENAMED=()
-          CHANGED=()
-          UNMERGED=()
-          UNKNOWN=()
-          ALL_CHANGED=()
-          ALL_MODIFIED_FILES=()
+          echo "Using head sha: $HEAD_SHA..."
 
-          for path in ${INPUT_FILES}
-          do
-            echo "Checking for file changes: \"${path}\"..."
-            ADDED+=$(git diff --diff-filter=A --name-only "$HEAD_SHA" | grep -E "(${path})" | xargs printf "%s${{ inputs.separator }}" || true)
-            COPIED+=$(git diff --diff-filter=C --name-only "$HEAD_SHA" | grep -E "(${path})" | xargs printf "%s${{ inputs.separator }}" || true)
-            DELETED+=$(git diff --diff-filter=D --name-only "$HEAD_SHA" | grep -E "(${path})" | xargs printf "%s${{ inputs.separator }}" || true)
-            MODIFIED+=$(git diff --diff-filter=M --name-only "$HEAD_SHA" | grep -E "(${path})" | xargs printf "%s${{ inputs.separator }}" || true)
-            RENAMED+=$(git diff --diff-filter=R --name-only "$HEAD_SHA" | grep -E "(${path})" | xargs printf "%s${{ inputs.separator }}" || true)
-            CHANGED+=$(git diff --diff-filter=T --name-only "$HEAD_SHA" | grep -E "(${path})" | xargs printf "%s${{ inputs.separator }}" || true)
-            UNMERGED+=$(git diff --diff-filter=U --name-only "$HEAD_SHA" | grep -E "(${path})" | xargs printf "%s${{ inputs.separator }}" || true)
-            UNKNOWN+=$(git diff --diff-filter=X --name-only "$HEAD_SHA" | grep -E "(${path})" | xargs printf "%s${{ inputs.separator }}" || true)
-            ALL_CHANGED+=$(git diff --diff-filter='*ACDMRTUX' --name-only "$HEAD_SHA" | grep -E "(${path})" | xargs printf "%s${{ inputs.separator }}" || true)
-            ALL_MODIFIED_FILES+=$(git diff --diff-filter='ACM' --name-only "$HEAD_SHA" | grep -E "(${path})" | xargs printf "%s${{ inputs.separator }}" || true)
-          done
-
-          ADDED=$(echo "$ADDED" | sed -E 's/(${{ inputs.separator }})$//')
-          COPIED=$(echo $COPIED | sed -E 's/(${{ inputs.separator }})$//')
-          DELETED=$(echo "$DELETED" | sed -E 's/(${{ inputs.separator }})$//')
-          MODIFIED=$(echo "$MODIFIED" | sed -E 's/(${{ inputs.separator }})$//')
-          RENAMED=$(echo "$RENAMED" | sed -E 's/(${{ inputs.separator }})$//')
-          CHANGED=$(echo "$CHANGED" | sed -E 's/(${{ inputs.separator }})$//')
-          UNMERGED=$(echo "$UNMERGED" | sed -E 's/(${{ inputs.separator }})$//')
-          UNKNOWN=$(echo "$UNKNOWN" | sed -E 's/(${{ inputs.separator }})$//')
-          ALL_CHANGED=$(echo "$ALL_CHANGED" | sed -E 's/(${{ inputs.separator }})$//')
-          ALL_MODIFIED_FILES=$(echo "$ALL_MODIFIED_FILES" | sed -E 's/(${{ inputs.separator }})$//')
-          
-          OUTPUT_ALL_MODIFIED_FILES=$(echo $ALL_MODIFIED_FILES | sed "s/${{ inputs.separator }}/ /g")
-          ALL_INPUT_FILES=$(echo $INPUT_FILES | sed "s/\n/ /g")
-
-          IFS=$'\n' SORTED_INPUT_FILES=($(sort <<<"${ALL_INPUT_FILES[*]}"))
-          IFS=$'\n' SORTED_OUTPUT_ALL_MODIFIED_FILES=($(sort <<<"${OUTPUT_ALL_MODIFIED_FILES[*]}"))
-          
-          if [[ "${SORTED_INPUT_FILES[*]}" == "${SORTED_OUTPUT_ALL_MODIFIED_FILES[*]}" ]]; then
-            echo "::set-output name=has_changed::true"
+          if [[ -z "$INPUT_FILES" ]]; then
+            echo "Getting diff..."
+            ADDED=$(git diff --diff-filter=A --name-only "$HEAD_SHA" | tr "\n" "$INPUT_SEPARATOR" | sed -E "s/($INPUT_SEPARATOR)$//")
+            COPIED=$(git diff --diff-filter=C --name-only "$HEAD_SHA" | tr "\n" "$INPUT_SEPARATOR" | sed -E "s/($INPUT_SEPARATOR)$//")
+            DELETED=$(git diff --diff-filter=D --name-only "$HEAD_SHA" | tr "\n" "$INPUT_SEPARATOR" | sed -E "s/($INPUT_SEPARATOR)$//")
+            MODIFIED=$(git diff --diff-filter=M --name-only "$HEAD_SHA" | tr "\n" "$INPUT_SEPARATOR" | sed -E "s/($INPUT_SEPARATOR)$//")
+            RENAMED=$(git diff --diff-filter=R --name-only "$HEAD_SHA" | tr "\n" "$INPUT_SEPARATOR" | sed -E "s/($INPUT_SEPARATOR)$//")
+            CHANGED=$(git diff --diff-filter=T --name-only "$HEAD_SHA" | tr "\n" "$INPUT_SEPARATOR" | sed -E "s/($INPUT_SEPARATOR)$//")
+            UNMERGED=$(git diff --diff-filter=U --name-only "$HEAD_SHA" | tr "\n" "$INPUT_SEPARATOR" | sed -E "s/($INPUT_SEPARATOR)$//")
+            UNKNOWN=$(git diff --diff-filter=X --name-only "$HEAD_SHA" | tr "\n" "$INPUT_SEPARATOR" | sed -E "s/($INPUT_SEPARATOR)$//")
+            ALL_CHANGED=$(git diff --diff-filter="*ACDMRTUX" --name-only "$HEAD_SHA" | tr "\n" "$INPUT_SEPARATOR" | sed -E "s/($INPUT_SEPARATOR)$//")
+            ALL_MODIFIED_FILES=$(git diff --diff-filter="ACM" --name-only "$HEAD_SHA" | tr "\n" "$INPUT_SEPARATOR" | sed -E "s/($INPUT_SEPARATOR)$//")
           else
-            echo "::set-output name=has_changed::false"
-          fi
+            ADDED_ARRAY=()
+            COPIED_ARRAY=()
+            DELETED_ARRAY=()
+            MODIFIED_ARRAY=()
+            RENAMED_ARRAY=()
+            CHANGED_ARRAY=()
+            UNMERGED_ARRAY=()
+            UNKNOWN_ARRAY=()
+            ALL_CHANGED_ARRAY=()
+            ALL_MODIFIED_FILES_ARRAY=()
 
-          echo "::set-output name=added_files::$ADDED"
-          echo "::set-output name=copied_files::$COPIED"
-          echo "::set-output name=deleted_files::$DELETED"
-          echo "::set-output name=modified_files::$MODIFIED"
-          echo "::set-output name=renamed_files::$RENAMED"
-          echo "::set-output name=changed_files::$CHANGED"
-          echo "::set-output name=unmerged_files::$UNMERGED"
-          echo "::set-output name=unknown_files::$UNKNOWN"
-          echo "::set-output name=all_changed_files::$ALL_CHANGED"
-          echo "::set-output name=all_modified_files::$ALL_MODIFIED_FILES"
+            for path in ${INPUT_FILES}
+            do
+              echo "Checking for file changes: \"${path}\"..."
+              IFS=" "
+              ADDED_ARRAY+=("$(git diff --diff-filter=A --name-only "$HEAD_SHA" | grep -E "(${path})" | xargs printf "%s$INPUT_SEPARATOR" || true)")
+              COPIED_ARRAY+=("$(git diff --diff-filter=C --name-only "$HEAD_SHA" | grep -E "(${path})" | xargs printf "%s$INPUT_SEPARATOR" || true)")
+              DELETED_ARRAY+=("$(git diff --diff-filter=D --name-only "$HEAD_SHA" | grep -E "(${path})" | xargs printf "%s$INPUT_SEPARATOR" || true)")
+              MODIFIED_ARRAY+=("$(git diff --diff-filter=M --name-only "$HEAD_SHA" | grep -E "(${path})" | xargs printf "%s$INPUT_SEPARATOR" || true)")
+              RENAMED_ARRAY+=("$(git diff --diff-filter=R --name-only "$HEAD_SHA" | grep -E "(${path})" | xargs printf "%s$INPUT_SEPARATOR" || true)")
+              CHANGED_ARRAY+=("$(git diff --diff-filter=T --name-only "$HEAD_SHA" | grep -E "(${path})" | xargs printf "%s$INPUT_SEPARATOR" || true)")
+              UNMERGED_ARRAY+=("$(git diff --diff-filter=U --name-only "$HEAD_SHA" | grep -E "(${path})" | xargs printf "%s$INPUT_SEPARATOR" || true)")
+              UNKNOWN_ARRAY+=("$(git diff --diff-filter=X --name-only "$HEAD_SHA" | grep -E "(${path})" | xargs printf "%s$INPUT_SEPARATOR" || true)")
+              ALL_CHANGED_ARRAY+=("$(git diff --diff-filter="*ACDMRTUX" --name-only "$HEAD_SHA" | grep -E "(${path})" | xargs printf "%s$INPUT_SEPARATOR" || true)")
+              ALL_MODIFIED_FILES_ARRAY+=("$(git diff --diff-filter="ACM" --name-only "$HEAD_SHA" | grep -E "(${path})" | xargs printf "%s$INPUT_SEPARATOR" || true)")
+            done
+
+            ADDED=$(echo "${ADDED_ARRAY[@]}" | sed -E "s/($INPUT_SEPARATOR)$//" | xargs)
+            COPIED=$(echo "${COPIED_ARRAY[@]}" | sed -E "s/($INPUT_SEPARATOR)$//" | xargs)
+            DELETED=$(echo "${DELETED_ARRAY[@]}" | sed -E "s/($INPUT_SEPARATOR)$//" | xargs)
+            MODIFIED=$(echo "${MODIFIED_ARRAY[@]}" | sed -E "s/($INPUT_SEPARATOR)$//" | xargs)
+            RENAMED=$(echo "${RENAMED_ARRAY[@]}" | sed -E "s/($INPUT_SEPARATOR)$//" | xargs)
+            CHANGED=$(echo "${CHANGED_ARRAY[@]}" | sed -E "s/($INPUT_SEPARATOR)$//" | xargs)
+            UNMERGED=$(echo "${UNMERGED_ARRAY[@]}" | sed -E "s/($INPUT_SEPARATOR)$//" | xargs)
+            UNKNOWN=$(echo "${UNKNOWN_ARRAY[@]}" | sed -E "s/($INPUT_SEPARATOR)$//" | xargs)
+            ALL_CHANGED=$(echo "${ALL_CHANGED_ARRAY[@]}" | sed -E "s/($INPUT_SEPARATOR)$//" | xargs)
+            ALL_MODIFIED_FILES=$(echo "${ALL_MODIFIED_FILES_ARRAY[@]}" | sed -E "s/($INPUT_SEPARATOR)$//" | xargs)
+          fi
         fi
+
+        echo "Added files: $ADDED"
+        echo "Copied files: $COPIED"
+        echo "Deleted files: $DELETED"
+        echo "Modified files: $MODIFIED"
+        echo "Renamed files: $RENAMED"
+        echo "Changed files: $CHANGED"
+        echo "Unmerged files: $UNMERGED"
+        echo "Unknown files: $UNKNOWN"
+        echo "All changed files: $ALL_CHANGED"
+        echo "All modified files: $ALL_MODIFIED_FILES"
+
+        if [[ -n "$INPUT_FILES" ]]; then
+          # shellcheck disable=SC2001
+          OUTPUT_ALL_MODIFIED_FILES=$(echo "$ALL_MODIFIED_FILES" | tr "$INPUT_SEPARATOR" " " | xargs)
+          ALL_INPUT_FILES=$(echo "$INPUT_FILES" | tr "\n" " " | xargs)
+          
+          echo "Input files: ${ALL_INPUT_FILES[@]}"
+          echo "Matching modified files: ${OUTPUT_ALL_MODIFIED_FILES[@]}"
+
+          if [[ ${#OUTPUT_ALL_MODIFIED_FILES[@]} -gt 0 ]]; then
+            echo "::set-output name=any_changed::true"
+          else
+            echo "::set-output name=any_changed::false"
+          fi
+        fi
+
+        echo "::set-output name=added_files::$ADDED"
+        echo "::set-output name=copied_files::$COPIED"
+        echo "::set-output name=deleted_files::$DELETED"
+        echo "::set-output name=modified_files::$MODIFIED"
+        echo "::set-output name=renamed_files::$RENAMED"
+        echo "::set-output name=changed_files::$CHANGED"
+        echo "::set-output name=unmerged_files::$UNMERGED"
+        echo "::set-output name=unknown_files::$UNKNOWN"
+        echo "::set-output name=all_changed_files::$ALL_CHANGED"
+        echo "::set-output name=all_modified_files::$ALL_MODIFIED_FILES"
+        unset INPUT_FILES
+        unset INPUT_SEPARATOR
       shell: bash
 
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