Merge branch '22271-drone-tag-pipeline-build' into 'master'

Fix lightweight tags not processed correctly by GitTagPushService

## What does this MR do?

Fix lightweight tags not processed correctly by GitTagPushService

## Are there points in the code the reviewer needs to double check?

No

## Why was this MR needed?

Lightweight tags were being processed incorrectly, causing tag triggers to receive wrong information and not function properly.

## Does this MR meet the acceptance criteria?

- [ ] [CHANGELOG](https://gitlab.com/gitlab-org/gitlab-ce/blob/master/CHANGELOG) entry added
- [ ] [Documentation created/updated](https://gitlab.com/gitlab-org/gitlab-ce/blob/master/doc/development/doc_styleguide.md)
- [ ] API support added
- Tests
  - [ ] Added for this feature/bug
  - [ ] All builds are passing
- [ ] Conform by the [merge request performance guides](http://docs.gitlab.com/ce/development/merge_request_performance_guidelines.html)
- [ ] Conform by the [style guides](https://gitlab.com/gitlab-org/gitlab-ce/blob/master/CONTRIBUTING.md#style-guides)
- [ ] Branch has no merge conflicts with `master` (if you do - rebase it please)
- [ ] [Squashed related commits together](https://git-scm.com/book/en/Git-Tools-Rewriting-History#Squashing-Commits)

## What are the relevant issue numbers?


Closes #22271

See merge request !6532

3 files changed, 4 insertions, 4 deletions

diff --git a/app/services/delete_branch_service.rb b/app/services/delete_branch_service.rb
index 918eddaa53a..3e5dd4ebb86 100644
--- a/app/services/delete_branch_service.rb
+++ b/app/services/delete_branch_service.rb
@@ -42,7 +42,7 @@ class DeleteBranchService < BaseService
     Gitlab::DataBuilder::Push.build(
       project,
       current_user,
-      branch.target.sha,
+      branch.dereferenced_target.sha,
       Gitlab::Git::BLANK_SHA,
       "#{Gitlab::Git::BRANCH_REF_PREFIX}#{branch.name}",
       [])
diff --git a/app/services/delete_tag_service.rb b/app/services/delete_tag_service.rb
index d0cb151a010..d824406cb49 100644
--- a/app/services/delete_tag_service.rb
+++ b/app/services/delete_tag_service.rb
@@ -36,7 +36,7 @@ class DeleteTagService < BaseService
     Gitlab::DataBuilder::Push.build(
       project,
       current_user,
-      tag.target.sha,
+      tag.dereferenced_target.sha,
       Gitlab::Git::BLANK_SHA,
       "#{Gitlab::Git::TAG_REF_PREFIX}#{tag.name}",
       [])
diff --git a/app/services/git_tag_push_service.rb b/app/services/git_tag_push_service.rb
index e6002b03b93..20a4445bddf 100644
--- a/app/services/git_tag_push_service.rb
+++ b/app/services/git_tag_push_service.rb
@@ -27,8 +27,8 @@ class GitTagPushService < BaseService
       tag_name = Gitlab::Git.ref_name(params[:ref])
       tag = project.repository.find_tag(tag_name)
 
-      if tag && tag.object_sha == params[:newrev]
-        commit = project.commit(tag.target)
+      if tag && tag.target == params[:newrev]
+        commit = project.commit(tag.dereferenced_target)
         commits = [commit].compact
         message = tag.message
       end