Merge pull request #779 from tj-actions/chore/update-readme

chore: update readme

.all-contributorsrc

@@ -150,6 +150,15 @@
       "contributions": [
         "code"
       ]
+    },
+    {
+      "login": "kenji-miyake",
+      "name": "Kenji Miyake",
+      "avatar_url": "https://avatars.githubusercontent.com/u/31987104?v=4",
+      "profile": "https://www.linkedin.com/in/kenji-miyake/",
+      "contributions": [
+        "code"
+      ]
     }
   ],
   "contributorsPerLine": 7,

.github/workflows/test.yml

@@ -361,6 +361,16 @@ jobs:
           echo '${{ toJSON(steps.changed-files.outputs) }}'
         shell:
           bash
+      - name: Run changed-files with since_last_remote_commit
+        id: changed-files-since-last-remote-commit
+        uses: ./
+        with:
+          since_last_remote_commit: true
+      - name: Show output
+        run: |
+          echo '${{ toJSON(steps.changed-files-since-last-remote-commit.outputs) }}'
+        shell:
+          bash
       - name: Run changed-files with include_all_old_new_renamed_files
         id: changed-files-all-old-new-renamed-files
         uses: ./
@@ -899,7 +909,7 @@ jobs:
           bash
       - name: Run changed-files with custom sha
         id: changed-files-custom-sha
-        if: github.event.action != 'closed'
+        if: github.event_name == 'pull_request' && github.event.action != 'closed'
         uses: ./
         with:
           sha: ${{ github.event.pull_request.head.sha }}

HISTORY.md

@@ -1,12 +1,72 @@
 # Changelog
 
+## [v34.3.0](https://github.com/tj-actions/changed-files/tree/v34.3.0) (2022-11-07)
+
+[Full Changelog](https://github.com/tj-actions/changed-files/compare/v34...v34.3.0)
+
+## [v34](https://github.com/tj-actions/changed-files/tree/v34) (2022-11-07)
+
+[Full Changelog](https://github.com/tj-actions/changed-files/compare/v34.2.2...v34)
+
+**Closed issues:**
+
+- How can I let the workflow to detect the changes only in the certain micro service? [\#766](https://github.com/tj-actions/changed-files/issues/766)
+
+**Merged pull requests:**
+
+- chore: exclude fetching tags [\#776](https://github.com/tj-actions/changed-files/pull/776) ([jackton1](https://github.com/jackton1))
+- chore: update test [\#775](https://github.com/tj-actions/changed-files/pull/775) ([jackton1](https://github.com/jackton1))
+- Updated README.md [\#774](https://github.com/tj-actions/changed-files/pull/774) ([jackton1](https://github.com/jackton1))
+- feat: add support for using the last remote commit [\#773](https://github.com/tj-actions/changed-files/pull/773) ([jackton1](https://github.com/jackton1))
+- Upgraded to v34.2.2 [\#772](https://github.com/tj-actions/changed-files/pull/772) ([jackton1](https://github.com/jackton1))
+
+## [v34.2.2](https://github.com/tj-actions/changed-files/tree/v34.2.2) (2022-11-06)
+
+[Full Changelog](https://github.com/tj-actions/changed-files/compare/v34.2.1...v34.2.2)
+
+**Merged pull requests:**
+
+- Updated README.md [\#771](https://github.com/tj-actions/changed-files/pull/771) ([jackton1](https://github.com/jackton1))
+- Updated README.md [\#770](https://github.com/tj-actions/changed-files/pull/770) ([jackton1](https://github.com/jackton1))
+- Updated README.md [\#769](https://github.com/tj-actions/changed-files/pull/769) ([jackton1](https://github.com/jackton1))
+- docs: add kenji-miyake as a contributor for code [\#768](https://github.com/tj-actions/changed-files/pull/768) ([allcontributors[bot]](https://github.com/apps/allcontributors))
+- chore: change `sha` to non-required [\#767](https://github.com/tj-actions/changed-files/pull/767) ([kenji-miyake](https://github.com/kenji-miyake))
+- Upgraded to v34.2.1 [\#765](https://github.com/tj-actions/changed-files/pull/765) ([jackton1](https://github.com/jackton1))
+
+## [v34.2.1](https://github.com/tj-actions/changed-files/tree/v34.2.1) (2022-11-05)
+
+[Full Changelog](https://github.com/tj-actions/changed-files/compare/v34.2.0...v34.2.1)
+
+**Merged pull requests:**
+
+- chore: update debug message [\#764](https://github.com/tj-actions/changed-files/pull/764) ([jackton1](https://github.com/jackton1))
+- Upgraded to v34.2.0 [\#763](https://github.com/tj-actions/changed-files/pull/763) ([jackton1](https://github.com/jackton1))
+
+## [v34.2.0](https://github.com/tj-actions/changed-files/tree/v34.2.0) (2022-11-05)
+
+[Full Changelog](https://github.com/tj-actions/changed-files/compare/v34.1.1...v34.2.0)
+
+**Fixed bugs:**
+
+- \[BUG\] dir\_names + files combo ends up in error [\#757](https://github.com/tj-actions/changed-files/issues/757)
+
+**Closed issues:**
+
+- \[BUG\] Action failing on PR with "Unable to find merge-base in shallow clone. Please increase 'max\_fetch\_depth' to at least 340." [\#755](https://github.com/tj-actions/changed-files/issues/755)
+
+**Merged pull requests:**
+
+- Updated README.md [\#762](https://github.com/tj-actions/changed-files/pull/762) ([jackton1](https://github.com/jackton1))
+- chore: fixed test [\#761](https://github.com/tj-actions/changed-files/pull/761) ([jackton1](https://github.com/jackton1))
+- chore: update env [\#760](https://github.com/tj-actions/changed-files/pull/760) ([jackton1](https://github.com/jackton1))
+- fix: error finding merge-base [\#759](https://github.com/tj-actions/changed-files/pull/759) ([jackton1](https://github.com/jackton1))
+- chore: improve test coverage [\#758](https://github.com/tj-actions/changed-files/pull/758) ([jackton1](https://github.com/jackton1))
+- Updated README.md [\#756](https://github.com/tj-actions/changed-files/pull/756) ([jackton1](https://github.com/jackton1))
+- Upgraded to v34.1.1 [\#754](https://github.com/tj-actions/changed-files/pull/754) ([jackton1](https://github.com/jackton1))
+
 ## [v34.1.1](https://github.com/tj-actions/changed-files/tree/v34.1.1) (2022-11-04)
 
-[Full Changelog](https://github.com/tj-actions/changed-files/compare/v34...v34.1.1)
+[Full Changelog](https://github.com/tj-actions/changed-files/compare/v34.1.0...v34.1.1)
-
-## [v34](https://github.com/tj-actions/changed-files/tree/v34) (2022-11-04)
-
-[Full Changelog](https://github.com/tj-actions/changed-files/compare/v34.1.0...v34)
 
 **Merged pull requests:**
 
@@ -114,7 +174,7 @@
 
 ## [v34.0.0](https://github.com/tj-actions/changed-files/tree/v34.0.0) (2022-10-25)
 
-[Full Changelog](https://github.com/tj-actions/changed-files/compare/v33.0.0...v34.0.0)
+[Full Changelog](https://github.com/tj-actions/changed-files/compare/v33...v34.0.0)
 
 **Fixed bugs:**
 
@@ -127,13 +187,13 @@
 - feat: add support for fetching more history [\#709](https://github.com/tj-actions/changed-files/pull/709) ([jackton1](https://github.com/jackton1))
 - Upgraded to v33.0.0 [\#707](https://github.com/tj-actions/changed-files/pull/707) ([jackton1](https://github.com/jackton1))
 
-## [v33.0.0](https://github.com/tj-actions/changed-files/tree/v33.0.0) (2022-10-21)
-
-[Full Changelog](https://github.com/tj-actions/changed-files/compare/v33...v33.0.0)
-
 ## [v33](https://github.com/tj-actions/changed-files/tree/v33) (2022-10-21)
 
-[Full Changelog](https://github.com/tj-actions/changed-files/compare/v32.1.2...v33)
+[Full Changelog](https://github.com/tj-actions/changed-files/compare/v33.0.0...v33)
+
+## [v33.0.0](https://github.com/tj-actions/changed-files/tree/v33.0.0) (2022-10-21)
+
+[Full Changelog](https://github.com/tj-actions/changed-files/compare/v32.1.2...v33.0.0)
 
 **Closed issues:**
 
@@ -290,7 +350,7 @@
 
 ## [v30](https://github.com/tj-actions/changed-files/tree/v30) (2022-09-24)
 
-[Full Changelog](https://github.com/tj-actions/changed-files/compare/v29...v30)
+[Full Changelog](https://github.com/tj-actions/changed-files/compare/v29.0.9...v30)
 
 **Fixed bugs:**
 
@@ -306,13 +366,13 @@
 - chore\(deps\): update codacy/codacy-analysis-cli-action action to v4.2.0 [\#634](https://github.com/tj-actions/changed-files/pull/634) ([renovate[bot]](https://github.com/apps/renovate))
 - Upgraded to v29.0.9 [\#633](https://github.com/tj-actions/changed-files/pull/633) ([jackton1](https://github.com/jackton1))
 
-## [v29](https://github.com/tj-actions/changed-files/tree/v29) (2022-09-20)
-
-[Full Changelog](https://github.com/tj-actions/changed-files/compare/v29.0.9...v29)
-
 ## [v29.0.9](https://github.com/tj-actions/changed-files/tree/v29.0.9) (2022-09-20)
 
-[Full Changelog](https://github.com/tj-actions/changed-files/compare/v29.0.8...v29.0.9)
+[Full Changelog](https://github.com/tj-actions/changed-files/compare/v29...v29.0.9)
+
+## [v29](https://github.com/tj-actions/changed-files/tree/v29) (2022-09-20)
+
+[Full Changelog](https://github.com/tj-actions/changed-files/compare/v29.0.8...v29)
 
 **Implemented enhancements:**
 
@@ -1755,7 +1815,7 @@
 
 ## [v7](https://github.com/tj-actions/changed-files/tree/v7) (2021-06-09)
 
-[Full Changelog](https://github.com/tj-actions/changed-files/compare/v6...v7)
+[Full Changelog](https://github.com/tj-actions/changed-files/compare/v6.3...v7)
 
 **Closed issues:**
 
@@ -1771,13 +1831,13 @@
 - Update tj-actions/sync-release-version action to v8.7 [\#86](https://github.com/tj-actions/changed-files/pull/86) ([renovate[bot]](https://github.com/apps/renovate))
 - Upgraded to v6.3 [\#85](https://github.com/tj-actions/changed-files/pull/85) ([jackton1](https://github.com/jackton1))
 
-## [v6](https://github.com/tj-actions/changed-files/tree/v6) (2021-05-26)
-
-[Full Changelog](https://github.com/tj-actions/changed-files/compare/v6.3...v6)
-
 ## [v6.3](https://github.com/tj-actions/changed-files/tree/v6.3) (2021-05-26)
 
-[Full Changelog](https://github.com/tj-actions/changed-files/compare/v6.2...v6.3)
+[Full Changelog](https://github.com/tj-actions/changed-files/compare/v6...v6.3)
+
+## [v6](https://github.com/tj-actions/changed-files/tree/v6) (2021-05-26)
+
+[Full Changelog](https://github.com/tj-actions/changed-files/compare/v6.2...v6)
 
 **Merged pull requests:**
 

README.md

@@ -9,7 +9,7 @@
 
 <!-- ALL-CONTRIBUTORS-BADGE:START - Do not remove or modify this section -->
 
-[![All Contributors](https://img.shields.io/badge/all_contributors-16-orange.svg?style=flat-square)](#contributors-)
+[![All Contributors](https://img.shields.io/badge/all_contributors-17-orange.svg?style=flat-square)](#contributors-)
 
 <!-- ALL-CONTRIBUTORS-BADGE:END -->
 
@@ -94,6 +94,8 @@ jobs:
           echo "List all the files that have changed: ${{ steps.changed-files-specific.outputs.all_changed_files }}"
 ```
 
+I want to thank everyone supporting and using this project, your are awesome. Special thanks to every contributor.
+
 If you feel generous and want to show some extra appreciation:
 
 Support this project with a :star:
@@ -151,28 +153,29 @@ Support this project with a :star:
 
 <!-- AUTO-DOC-INPUT:START - Do not remove or modify this section -->
 
-|               INPUT               |  TYPE  | REQUIRED |        DEFAULT        |                                                                                            DESCRIPTION                                                                                             |
+|               INPUT               |  TYPE  | REQUIRED |        DEFAULT        |                                                                                                            DESCRIPTION                                                                                                             |
-|-----------------------------------|--------|----------|-----------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
+|-----------------------------------|--------|----------|-----------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
-|             base\_sha              | string |  false   |                       |                                                               Specify a different base commit<br>SHA used for comparing changes<br>                                                                |
+|             base\_sha              | string |  false   |                       |                                                                               Specify a different base commit<br>SHA used for comparing changes<br>                                                                                |
-|           diff\_relative           | string |  false   |                       |        Exclude changes outside the current<br>directory and show pathnames relative<br>to it. **NOTE:** This requires<br>you to specify the top<br>level directory via the `path`<br>input.        |
+|           diff\_relative           | string |  false   |                       |                        Exclude changes outside the current<br>directory and show pathnames relative<br>to it. **NOTE:** This requires<br>you to specify the top<br>level directory via the `path`<br>input.                        |
-|             dir\_names             | string |  false   |       `"false"`       |                        Output unique changed directories instead<br>of filenames. **NOTE:** This returns<br>`.` for changed files located<br>in the root of the<br>project.                        |
+|             dir\_names             | string |  false   |       `"false"`       |                                        Output unique changed directories instead<br>of filenames. **NOTE:** This returns<br>`.` for changed files located<br>in the root of the<br>project.                                        |
-|            fetch\_depth            | string |  false   |        `"40"`         |                                  Limit depth of the branch<br>history fetched. **NOTE**: This can<br>be adjusted to resolve errors<br>with insufficient history.                                   |
+|            fetch\_depth            | string |  false   |        `"40"`         |                                                  Limit depth of the branch<br>history fetched. **NOTE**: This can<br>be adjusted to resolve errors<br>with insufficient history.                                                   |
-|               files               | string |  false   |                       | File and directory patterns to<br>detect changes using only these<br>list of file(s) (Defaults to<br>the entire repo) **NOTE:** Multiline<br>file/directory patterns should not include<br>qoutes. |
+|               files               | string |  false   |                       |                 File and directory patterns to<br>detect changes using only these<br>list of file(s) (Defaults to<br>the entire repo) **NOTE:** Multiline<br>file/directory patterns should not include<br>qoutes.                 |
-|      files\_from\_source\_file       | string |  false   |                       |                                                                       Source file(s) used to populate<br>the `files` input.                                                                        |
+|      files\_from\_source\_file       | string |  false   |                       |                                                                                       Source file(s) used to populate<br>the `files` input.                                                                                        |
-|           files\_ignore            | string |  false   |                       |                                            Ignore changes to these file(s)<br>**NOTE:** Multiline file/directory patterns should<br>not include qoutes.                                            |
+|           files\_ignore            | string |  false   |                       |                                                            Ignore changes to these file(s)<br>**NOTE:** Multiline file/directory patterns should<br>not include qoutes.                                                            |
-|   files\_ignore\_from\_source\_file   | string |  false   |                       |                                                                    Source file(s) used to populate<br>the `files_ignore` input                                                                     |
+|   files\_ignore\_from\_source\_file   | string |  false   |                       |                                                                                    Source file(s) used to populate<br>the `files_ignore` input                                                                                     |
-|      files\_ignore\_separator       | string |  false   |        `"\n"`         |                                                                        Separator used to split the<br>`files-ignore` input                                                                         |
+|      files\_ignore\_separator       | string |  false   |        `"\n"`         |                                                                                        Separator used to split the<br>`files-ignore` input                                                                                         |
-|          files\_separator          | string |  false   |        `"\n"`         |                                                                            Separator used to split the<br>`files` input                                                                            |
+|          files\_separator          | string |  false   |        `"\n"`         |                                                                                            Separator used to split the<br>`files` input                                                                                            |
-| include\_all\_old\_new\_renamed\_files | string |  false   |       `"false"`       |                    Include `all_old_new_renamed_files` output. Note this<br>can generate a large output<br>See: [#501](https://github.com/tj-actions/changed-files/issues/501).                    |
+| include\_all\_old\_new\_renamed\_files | string |  false   |       `"false"`       |                                    Include `all_old_new_renamed_files` output. Note this<br>can generate a large output<br>See: [#501](https://github.com/tj-actions/changed-files/issues/501).                                    |
-|               json                | string |  false   |       `"false"`       |                                                Output list of changed files<br>in a JSON formatted string<br>which can be used for<br>matrix jobs.                                                 |
+|               json                | string |  false   |       `"false"`       |                                                                Output list of changed files<br>in a JSON formatted string<br>which can be used for<br>matrix jobs.                                                                 |
-|      old\_new\_files\_separator      | string |  false   |         `" "`         |                                                                    Split character for multiple old<br>and new filename pairs.                                                                     |
+|      old\_new\_files\_separator      | string |  false   |         `" "`         |                                                                                    Split character for multiple old<br>and new filename pairs.                                                                                     |
-|         old\_new\_separator         | string |  false   |         `","`         |                                                                         Split character for old and<br>new filename pairs.                                                                         |
+|         old\_new\_separator         | string |  false   |         `","`         |                                                                                         Split character for old and<br>new filename pairs.                                                                                         |
-|               path                | string |  false   |         `"."`         |                                                         Specify a relative path under<br>`$GITHUB_WORKSPACE` to locate the repository.<br>                                                         |
+|               path                | string |  false   |         `"."`         |                                                                         Specify a relative path under<br>`$GITHUB_WORKSPACE` to locate the repository.<br>                                                                         |
-|             quotepath             | string |  false   |       `"true"`        |                                      Use non ascii characters to<br>match files and output the<br>filenames completely verbatim by setting<br>this to `false`                                      |
+|             quotepath             | string |  false   |       `"true"`        |                                                      Use non ascii characters to<br>match files and output the<br>filenames completely verbatim by setting<br>this to `false`                                                      |
-|             separator             | string |  false   |         `" "`         |                                                                               Split character for output strings<br>                                                                               |
+|             separator             | string |  false   |         `" "`         |                                                                                               Split character for output strings<br>                                                                                               |
-|                sha                | string |   true   | `"${{ github.sha }}"` |                                                                    Specify a different commit SHA<br>used for comparing changes                                                                    |
+|                sha                | string |  false   | `"${{ github.sha }}"` |                                                                                    Specify a different commit SHA<br>used for comparing changes                                                                                    |
-|               since               | string |  false   |                       |                                                         Get changed files for commits<br>whose timestamp is older than<br>the given time.                                                          |
+|               since               | string |  false   |                       |                                                                         Get changed files for commits<br>whose timestamp is older than<br>the given time.                                                                          |
-|               until               | string |  false   |                       |                                                        Get changed files for commits<br>whose timestamp is earlier than<br>the given time.                                                         |
+|     since\_last\_remote\_commit      | string |   true   |       `"false"`       | Use the last commit on<br>the remote branch as the<br>`base_sha`. Defaults to the last<br>non merge commit on the<br>target branch for pull request<br>events and the previous commit<br>of the current branch for<br>push events. |
+|               until               | string |  false   |                       |                                                                        Get changed files for commits<br>whose timestamp is earlier than<br>the given time.                                                                         |
 
 <!-- AUTO-DOC-INPUT:END -->
 
@@ -592,9 +595,10 @@ This package was created with [Cookiecutter](https://github.com/cookiecutter/coo
 *   [tj-actions/glob](https://github.com/tj-actions/glob)
 *   [tj-actions/demo](https://github.com/tj-actions/demo)
 *   [tj-actions/demo2](https://github.com/tj-actions/demo2)
+*   [tj-actions/demo3](https://github.com/tj-actions/demo3)
 *   [tj-actions/release-tagger](https://github.com/tj-actions/release-tagger)
 *   [tj-actions/auto-doc](https://github.com/tj-actions/auto-doc)
-*   \[tj-actions/verify-changed-files]\(https://github.com/tj-actions/verify-changed-files
+*   [tj-actions/verify-changed-files](https://github.com/tj-actions/verify-changed-files)
 
 ## Report Bugs
 
@@ -639,6 +643,7 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
     <tr>
       <td align="center"><a href="https://github.com/kostiantyn-korniienko-aurea"><img src="https://avatars.githubusercontent.com/u/37180625?v=4?s=100" width="100px;" alt="Kostiantyn Korniienko"/><br /><sub><b>Kostiantyn Korniienko</b></sub></a><br /><a href="https://github.com/tj-actions/changed-files/commits?author=kostiantyn-korniienko-aurea" title="Documentation">📖</a></td>
       <td align="center"><a href="https://github.com/lpulley"><img src="https://avatars.githubusercontent.com/u/7193187?v=4?s=100" width="100px;" alt="Logan Pulley"/><br /><sub><b>Logan Pulley</b></sub></a><br /><a href="https://github.com/tj-actions/changed-files/commits?author=lpulley" title="Code">💻</a></td>
+      <td align="center"><a href="https://www.linkedin.com/in/kenji-miyake/"><img src="https://avatars.githubusercontent.com/u/31987104?v=4?s=100" width="100px;" alt="Kenji Miyake"/><br /><sub><b>Kenji Miyake</b></sub></a><br /><a href="https://github.com/tj-actions/changed-files/commits?author=kenji-miyake" title="Code">💻</a></td>
     </tr>
   </tbody>
 </table>

action.yml

@@ -45,7 +45,7 @@ inputs:
     default: ""
   sha:
     description: "Specify a different commit SHA used for comparing changes"
-    required: true
+    required: false
     default: ${{ github.sha }}
   base_sha:
     description: "Specify a different base commit SHA used for comparing changes"
@@ -81,6 +81,10 @@ inputs:
     description: "Limit depth of the branch history fetched. **NOTE**: This can be adjusted to resolve errors with insufficient history."
     required: false
     default: "40"
+  since_last_remote_commit:
+    description: "Use the last commit on the remote branch as the `base_sha`. Defaults to the last non merge commit on the target branch for pull request events and the previous commit of the current branch for push events."
+    required: true
+    default: "false"
 
 outputs:
   added_files:
@@ -173,6 +177,7 @@ runs:
         INPUT_UNTIL: ${{ inputs.until }}
         INPUT_PATH: ${{ inputs.path }}
         INPUT_FETCH_DEPTH: ${{ inputs.fetch_depth }}
+        INPUT_SINCE_LAST_REMOTE_COMMIT: ${{ inputs.since_last_remote_commit }}
     - name: Glob match
       uses: tj-actions/glob@v15
       id: glob

diff-sha.sh

@@ -4,6 +4,11 @@ set -euo pipefail
 
 INITIAL_COMMIT="false"
 GITHUB_OUTPUT=${GITHUB_OUTPUT:-""}
+EXTRA_ARGS="--no-tags"
+
+if [[ "$GITHUB_REF" == "refs/tags/"* ]]; then
+  EXTRA_ARGS=""
+fi
 
 echo "::group::changed-files-diff-sha"
 
@@ -56,7 +61,8 @@ if [[ -z $GITHUB_BASE_REF ]]; then
     if [[ -z $INPUT_SHA ]]; then
       CURRENT_SHA=$(git rev-list -n 1 HEAD 2>&1) && exit_status=$? || exit_status=$?
     else
-      git fetch --no-tags -u --progress --deepen="$INPUT_FETCH_DEPTH"
+      # shellcheck disable=SC2086
+      git fetch $EXTRA_ARGS -u --progress --deepen="$INPUT_FETCH_DEPTH"
       CURRENT_SHA=$INPUT_SHA; exit_status=$?
     fi
   fi
@@ -82,12 +88,20 @@ if [[ -z $GITHUB_BASE_REF ]]; then
         exit 1
       fi
     else
-      PREVIOUS_SHA=$(git rev-list -n 1 "$TARGET_BRANCH" 2>&1) && exit_status=$? || exit_status=$?
+      if [[ "$INPUT_SINCE_LAST_REMOTE_COMMIT" == "true" ]]; then
-      
+        PREVIOUS_SHA=""
-      if [[ -z "$PREVIOUS_SHA" ]]; then
+
         if [[ "$GITHUB_EVENT_FORCED" == "false" || -z "$GITHUB_EVENT_FORCED" ]]; then
           PREVIOUS_SHA=$GITHUB_EVENT_BEFORE
         fi
+      else
+        PREVIOUS_SHA=$(git rev-list -n 1 "$TARGET_BRANCH" 2>&1) && exit_status=$? || exit_status=$?
+
+        if [[ -z "$PREVIOUS_SHA" ]]; then
+          if [[ "$GITHUB_EVENT_FORCED" == "false" || -z "$GITHUB_EVENT_FORCED" ]]; then
+            PREVIOUS_SHA=$GITHUB_EVENT_BEFORE
+          fi
+        fi
       fi
 
       if [[ -z "$PREVIOUS_SHA" || "$PREVIOUS_SHA" == "0000000000000000000000000000000000000000" ]]; then
@@ -110,7 +124,8 @@ if [[ -z $GITHUB_BASE_REF ]]; then
       fi
     fi
   else
-    git fetch --no-tags -u --progress --deepen="$INPUT_FETCH_DEPTH"
+    # shellcheck disable=SC2086
+    git fetch $EXTRA_ARGS -u --progress --deepen="$INPUT_FETCH_DEPTH"
     PREVIOUS_SHA=$INPUT_BASE_SHA
     TARGET_BRANCH=$(git name-rev --name-only "$PREVIOUS_SHA" 2>&1) && exit_status=$? || exit_status=$?
     CURRENT_BRANCH=$TARGET_BRANCH
@@ -133,21 +148,26 @@ else
   CURRENT_BRANCH=$GITHUB_HEAD_REF
 
   echo "Fetching remote refs..."
-  
-  git fetch --depth="$INPUT_FETCH_DEPTH" origin +refs/heads/"$TARGET_BRANCH":refs/remotes/origin/"$TARGET_BRANCH"
-  git branch --track "$TARGET_BRANCH" origin/"$TARGET_BRANCH" 2>/dev/null || true
-  
-  depth=$INPUT_FETCH_DEPTH
 
-  while [ -z "$( git merge-base "$TARGET_BRANCH" HEAD )" ]; do     
+  if [[ "$INPUT_SINCE_LAST_REMOTE_COMMIT" == "false" ]]; then
-    git fetch --deepen="$depth" origin "$TARGET_BRANCH" HEAD;
+    # shellcheck disable=SC2086
-    depth=$((depth * 10))
+    git fetch $EXTRA_ARGS --depth="$INPUT_FETCH_DEPTH" origin +refs/heads/"$TARGET_BRANCH":refs/remotes/origin/"$TARGET_BRANCH"
-    max_depth=5000
+    git branch --track "$TARGET_BRANCH" origin/"$TARGET_BRANCH" 2>/dev/null || true
-    
+
-    if [[ $depth -gt $max_depth ]]; then
+    depth=$INPUT_FETCH_DEPTH
-       echo "::error::Unable to find merge-base of $TARGET_BRANCH and HEAD."
+
-    fi
+    while [ -z "$( git merge-base "$TARGET_BRANCH" HEAD )" ]; do
-  done
+      # shellcheck disable=SC2086
+      git fetch $EXTRA_ARGS --deepen="$depth" origin "$TARGET_BRANCH" HEAD;
+      depth=$((depth * 10))
+      max_depth=5000
+
+      if [[ $depth -gt $max_depth ]]; then
+         echo "::error::Unable to find merge-base between $TARGET_BRANCH and HEAD."
+         exit 1
+      fi
+    done
+  fi
 
   echo "::debug::Getting HEAD SHA..."
   if [[ -n "$INPUT_UNTIL" ]]; then
@@ -178,10 +198,24 @@ else
   fi
 
   if [[ -z $INPUT_BASE_SHA ]]; then
-    PREVIOUS_SHA=$(git rev-list --no-merges -n 1 "$TARGET_BRANCH" 2>&1) && exit_status=$? || exit_status=$?
+    if [[ "$INPUT_SINCE_LAST_REMOTE_COMMIT" == "true" ]]; then
-    if [[ -z "$PREVIOUS_SHA" ]]; then
+      PREVIOUS_SHA=""
+
+      if [[ "$GITHUB_EVENT_FORCED" == "false" || -z "$GITHUB_EVENT_FORCED" ]]; then
+        PREVIOUS_SHA=$GITHUB_EVENT_BEFORE
+      fi
+
+      if [[ -z "$PREVIOUS_SHA" || "$PREVIOUS_SHA" == "0000000000000000000000000000000000000000" ]]; then
+        PREVIOUS_SHA=$(git rev-list -n 1 "$TARGET_BRANCH" 2>&1) && exit_status=$? || exit_status=$?
+      fi
+    else
+      PREVIOUS_SHA=$(git rev-list -n 1 "$TARGET_BRANCH" 2>&1) && exit_status=$? || exit_status=$?
+    fi
+
+    if [[ -z "$PREVIOUS_SHA" || "$PREVIOUS_SHA" == "$CURRENT_SHA" ]]; then
       PREVIOUS_SHA=$GITHUB_EVENT_PULL_REQUEST_BASE_SHA && exit_status=$? || exit_status=$?
     fi
+
     echo "::debug::Previous SHA: $PREVIOUS_SHA"
   else
     PREVIOUS_SHA=$INPUT_BASE_SHA && exit_status=$? || exit_status=$?