Add skip_push input option (#401)

Co-authored-by: Stefan Zweifel <stefan@stefanzweifel.dev>

README.md

@@ -115,6 +115,9 @@ The following is an extended example with all available options.
 
     # Optional. Skip internal call to `git checkout`
     skip_checkout: true
+    
+    # Optional. Skip internal call to `git push`
+    skip_push: true
 
     # Optional. Prevents the shell from expanding filenames. 
     # Details: https://www.gnu.org/software/bash/manual/html_node/Filename-Expansion.html

action.yml

@@ -68,6 +68,10 @@ inputs:
     description: Skip the call to git-checkout.
     required: false
     default: false
+  skip_push:
+    description: Skip the call to git-push.
+    required: false
+    default: false
   disable_globbing:
     description: Stop the shell from expanding filenames (https://www.gnu.org/software/bash/manual/html_node/Filename-Expansion.html)
     default: false

entrypoint.sh

@@ -191,6 +191,10 @@ _tag_commit() {
 }
 
 _push_to_github() {
+    if "$INPUT_SKIP_PUSH"; then
+        _log "debug" "git-push will not be executed.";
+        return
+    fi
 
     echo "INPUT_BRANCH value: $INPUT_BRANCH";
 

tests/git-auto-commit.bats

@@ -38,6 +38,7 @@ setup() {
     export INPUT_SKIP_DIRTY_CHECK=false
     export INPUT_SKIP_FETCH=false
     export INPUT_SKIP_CHECKOUT=false
+    export INPUT_SKIP_PUSH=false
     export INPUT_DISABLE_GLOBBING=false
     export INPUT_CREATE_BRANCH=false
     export INPUT_INTERNAL_GIT_BINARY=git
@@ -352,6 +353,24 @@ cat_github_output() {
     assert_equal $current_sha $remote_sha
 }
 
+@test "If SKIP_PUSH is true git-push will not be called" {
+    touch "${FAKE_LOCAL_REPOSITORY}"/new-file-{1,2,3}.txt
+
+    INPUT_SKIP_PUSH=true
+
+    run git_auto_commit
+
+    assert_success
+
+    assert_line "::debug::git-push will not be executed."
+
+    # Assert that the sha values are not equal on local and remote
+    current_sha="$(git rev-parse --verify --short ${FAKE_DEFAULT_BRANCH})"
+    remote_sha="$(git rev-parse --verify --short origin/${FAKE_DEFAULT_BRANCH})"
+
+    refute [assert_equal $current_sha $remote_sha]
+}
+
 @test "It can checkout a different branch" {
     # Create foo-branch and then immediately switch back to ${FAKE_DEFAULT_BRANCH}
     git checkout -b foo