Release v4.9.0

Feature: Create a new branch, if the given branch name doesn't exist yet

CHANGELOG.md

@@ -4,11 +4,17 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-## [Unreleased](https://github.com/stefanzweifel/git-auto-commit-action/compare/v4.8.0...HEAD)
+## [Unreleased](https://github.com/stefanzweifel/git-auto-commit-action/compare/v4.9.0...HEAD)
 
 > TBD
 
 
+## [v4.9.0](https://github.com/stefanzweifel/git-auto-commit-action/compare/v4.8.0...v4.9.0) - 2021-02-20
+
+### Changed
+- Automatically create btanch if a branch with the given name does not exist [#140](https://github.com/stefanzweifel/git-auto-commit-action/pull/140)
+
+
 ## [v4.8.0](https://github.com/stefanzweifel/git-auto-commit-action/compare/v4.7.2...v4.8.0) - 2020-12-15
 
 ### Added

LICENSE

@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2019 Stefan Zweifel
+Copyright (c) 2021 Stefan Zweifel
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

README.md

@@ -13,6 +13,8 @@ By default, the commit is made in the name of "GitHub Actions" and co-authored b
 This Action has been inspired and adapted from the [auto-commit](https://github.com/cds-snc/github-actions/tree/master/auto-commit
 )-Action of the Canadian Digital Service and this [commit](https://github.com/elstudio/actions-js-build/blob/41d604d6e73d632e22eac40df8cc69b5added04b/commit/entrypoint.sh)-Action by Eric Johnson.
 
+If you want to learn more how this Action works under the hood, check out [this article](https://michaelheap.com/git-auto-commit/) by Michael Heap.
+
 ## Usage
 
 Add the following step at the end of your job, after other steps that might add or change files.
@@ -143,7 +145,7 @@ You have to do this to avoid that the `checkout`-Action clones your repository i
 ### Commits of this Action do not trigger new Workflow runs
 
 The resulting commit **will not trigger** another GitHub Actions Workflow run.
-This is due to [limititations set by GitHub](https://help.github.com/en/actions/reference/events-that-trigger-workflows#triggering-new-workflows-using-a-personal-access-token).
+This is due to [limitations set by GitHub](https://help.github.com/en/actions/reference/events-that-trigger-workflows#triggering-new-workflows-using-a-personal-access-token).
 
 > When you use the repository's GITHUB_TOKEN to perform tasks on behalf of the GitHub Actions app, events triggered by the GITHUB_TOKEN will not create a new workflow run. This prevents you from accidentally creating recursive workflow runs.
 

entrypoint.sh

@@ -48,9 +48,28 @@ _switch_to_branch() {
         git fetch --depth=1;
     fi
 
-    # Switch to branch from current Workflow run
+
+    # If INPUT_BRANCH is empty, just run `git checkout`
+    if [ -z "$INPUT_BRANCH" ]
+    then
         # shellcheck disable=SC2086
         git checkout $INPUT_BRANCH;
+    else
+        # If the branch which we should checkout already exists, just
+        # run `git checkout $INPUT_BRANCH`
+        # Otherwhise create a new branch by adding the `-b` option to
+        # `git-checkout`
+        # shellcheck disable=SC2086
+        if [ -n "$(git branch --list $INPUT_BRANCH)" ]
+        then
+            # shellcheck disable=SC2086
+            git checkout $INPUT_BRANCH;
+        else
+            # shellcheck disable=SC2086
+            git checkout -b $INPUT_BRANCH;
+        fi
+    fi
+
 }
 
 _add_files() {

tests/git-auto-commit.bats

@@ -94,6 +94,26 @@ git_auto_commit() {
     assert_line "::debug::Push commit to remote branch master"
 }
 
+@test "It detects when files have been deleted, commits changes and pushes them to the remote repository" {
+    rm -rf "${FAKE_LOCAL_REPOSITORY}"/remote-files1.txt
+
+    run git_auto_commit
+
+    assert_success
+
+    assert_line "INPUT_REPOSITORY value: ${INPUT_REPOSITORY}"
+    assert_line "::set-output name=changes_detected::true"
+    assert_line "INPUT_BRANCH value: master"
+    assert_line "INPUT_FILE_PATTERN: ."
+    assert_line "INPUT_COMMIT_OPTIONS: "
+    assert_line "::debug::Apply commit options "
+    assert_line "INPUT_TAGGING_MESSAGE: "
+    assert_line "No tagging message supplied. No tag will be added."
+    assert_line "INPUT_PUSH_OPTIONS: "
+    assert_line "::debug::Apply push options "
+    assert_line "::debug::Push commit to remote branch master"
+}
+
 @test "It prints a 'Nothing to commit' message in a clean repository" {
     run git_auto_commit
 
@@ -311,3 +331,25 @@ git_auto_commit() {
 
     assert_line "::debug::git-fetch has not been executed"
 }
+
+@test "If INPUT_BRANCH is set and the branch does not exist it creates one" {
+    INPUT_BRANCH="new-branch"
+
+    run git branch
+    refute_line "new-branch"
+
+    touch "${FAKE_LOCAL_REPOSITORY}"/new-file-{1,2,3}.txt
+
+    run git_auto_commit
+
+    assert_success
+
+    assert_line "INPUT_BRANCH value: new-branch"
+    assert_line --partial "::debug::Push commit to remote branch new-branch"
+
+    # Assert that branch "new-branch" was updated on remote
+    current_sha="$(git rev-parse --verify --short new-branch)"
+    remote_sha="$(git rev-parse --verify --short origin/new-branch)"
+
+    assert_equal $current_sha $remote_sha
+}