From 175c2cd836894795556a997392806be860200af1 Mon Sep 17 00:00:00 2001
From: Stefan Zweifel <hello@stefanzweifel.io>
Date: Fri, 26 Feb 2021 19:39:59 +0100
Subject: [PATCH 1/2] Add failing tests

---
 tests/git-auto-commit.bats | 69 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 69 insertions(+)

diff --git a/tests/git-auto-commit.bats b/tests/git-auto-commit.bats
index e3eae71..32b84e1 100644
--- a/tests/git-auto-commit.bats
+++ b/tests/git-auto-commit.bats
@@ -225,6 +225,13 @@ git_auto_commit() {
 
     run git ls-remote --tags --refs
     assert_output --partial refs/tags/v1.0.0
+
+    # Assert that the commit has been pushed with --force and
+    # sha values are equal on local and remote
+    current_sha="$(git rev-parse --verify --short master)"
+    remote_sha="$(git rev-parse --verify --short origin/master)"
+
+    assert_equal $current_sha $remote_sha
 }
 
 @test "It applies INPUT_PUSH_OPTIONS when pushing commit to remote" {
@@ -331,3 +338,65 @@ git_auto_commit() {
 
     assert_line "::debug::git-fetch has not been executed"
 }
+
+@test "It pushes generated commit and tag to remote and actually updates the commit shas" {
+    INPUT_BRANCH=""
+    INPUT_TAGGING_MESSAGE="v2.0.0"
+
+    touch "${FAKE_LOCAL_REPOSITORY}"/new-file-{1,2,3}.txt
+
+    run git_auto_commit
+
+    assert_success
+
+    assert_line "INPUT_TAGGING_MESSAGE: v2.0.0"
+    assert_line "::debug::Create tag v2.0.0"
+    assert_line "::debug::git push origin --tags"
+
+    # Assert a tag v2.0.0 has been created
+    run git tag
+    assert_output v2.0.0
+
+    # Assert tag v2.0.0 has been pushed to remote
+    run git ls-remote --tags --refs
+    assert_output --partial refs/tags/v2.0.0
+
+    # Assert that branch "master" was updated on remote
+    current_sha="$(git rev-parse --verify --short master)"
+    remote_sha="$(git rev-parse --verify --short origin/master)"
+
+    assert_equal $current_sha $remote_sha
+}
+
+@test "It pushes generated commit and tag to remote branch and updates commit sha" {
+    # Create "a-new-branch"-branch and then immediately switch back to master
+    git checkout -b a-new-branch
+    git checkout master
+
+    INPUT_BRANCH="a-new-branch"
+    INPUT_TAGGING_MESSAGE="v2.0.0"
+
+    touch "${FAKE_LOCAL_REPOSITORY}"/new-file-{1,2,3}.txt
+
+    run git_auto_commit
+
+    assert_success
+
+    assert_line "INPUT_TAGGING_MESSAGE: v2.0.0"
+    assert_line "::debug::Create tag v2.0.0"
+    assert_line "::debug::Push commit to remote branch a-new-branch"
+
+    # Assert a tag v2.0.0 has been created
+    run git tag
+    assert_output v2.0.0
+
+    # Assert tag v2.0.0 has been pushed to remote
+    run git ls-remote --tags --refs
+    assert_output --partial refs/tags/v2.0.0
+
+    # Assert that branch "a-new-branch" was updated on remote
+    current_sha="$(git rev-parse --verify --short a-new-branch)"
+    remote_sha="$(git rev-parse --verify --short origin/a-new-branch)"
+
+    assert_equal $current_sha $remote_sha
+}

From 9bb0fd232468a9ace186bd1fbbf057fd00d38e5a Mon Sep 17 00:00:00 2001
From: Stefan Zweifel <hello@stefanzweifel.io>
Date: Fri, 26 Feb 2021 20:17:32 +0100
Subject: [PATCH 2/2] =?UTF-8?q?Push=20tags=20by=20using=20=E2=80=94follow-?=
 =?UTF-8?q?tags=20and=20=E2=80=94atomic?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

By using —follow-tags we push all annotated tags alongside the commit to the remote repository.
In addition, we’re using —atomic. This ensures that all refs are updated.

- https://github.blog/2015-04-30-git-2-4-atomic-pushes-push-to-deploy-and-more/#atomic-pushes
- https://stackoverflow.com/a/3745250
- https://therightstuff.medium.com/the-rights-and-wrongs-of-git-push-with-tags-998667eaed8f
---
 entrypoint.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/entrypoint.sh b/entrypoint.sh
index 0d11b03..8449b91 100755
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -104,7 +104,7 @@ _push_to_github() {
         if [ -n "$INPUT_TAGGING_MESSAGE" ]
         then
             echo "::debug::git push origin --tags";
-            git push origin --tags ${INPUT_PUSH_OPTIONS:+"${INPUT_PUSH_OPTIONS_ARRAY[@]}"};
+            git push origin --follow-tags --atomic ${INPUT_PUSH_OPTIONS:+"${INPUT_PUSH_OPTIONS_ARRAY[@]}"};
         else
             echo "::debug::git push origin";
             git push origin ${INPUT_PUSH_OPTIONS:+"${INPUT_PUSH_OPTIONS_ARRAY[@]}"};
@@ -112,7 +112,7 @@ _push_to_github() {
 
     else
         echo "::debug::Push commit to remote branch $INPUT_BRANCH";
-        git push --set-upstream origin "HEAD:$INPUT_BRANCH" --tags ${INPUT_PUSH_OPTIONS:+"${INPUT_PUSH_OPTIONS_ARRAY[@]}"};
+        git push --set-upstream origin "HEAD:$INPUT_BRANCH" --follow-tags --atomic ${INPUT_PUSH_OPTIONS:+"${INPUT_PUSH_OPTIONS_ARRAY[@]}"};
     fi
 }