From a3750c261e22602573ba0c0c8f0a4277d8d91ca5 Mon Sep 17 00:00:00 2001
From: Bernat Gabor <gaborjbernat@gmail.com>
Date: Sun, 8 Jul 2018 18:02:06 +0100
Subject: Release on tag, any branch

---
 tasks/release.py | 28 +++++++++++++++++++++-------
 1 file changed, 21 insertions(+), 7 deletions(-)

(limited to 'tasks')

diff --git a/tasks/release.py b/tasks/release.py
index c135e868..c91727ee 100644
--- a/tasks/release.py
+++ b/tasks/release.py
@@ -5,7 +5,7 @@ from pathlib import Path
 from subprocess import check_call
 from typing import Tuple
 
-from git import Commit, Head, Remote, Repo
+from git import Commit, Head, Remote, Repo, TagReference
 from packaging.version import Version
 
 ROOT_SRC_DIR = Path(__file__).parents[1]
@@ -19,17 +19,20 @@ def main(version_str: str) -> None:
         raise RuntimeError("Current repository is dirty. Please commit any changes and try again.")
 
     upstream, release_branch = create_release_branch(repo, version)
-    release_changelog(repo, version)
-    print("push release preparation commit")
+    release_commit = release_changelog(repo, version)
+    tag = tag_release_commit(release_commit, repo, version)
+    print("push release commit")
     repo.git.push(upstream.name, release_branch)
+    print("push release tag")
+    repo.git.push(upstream.name, tag)
     print("All done! ✨ 🍰 ✨")
 
 
 def create_release_branch(repo: Repo, version: Version) -> Tuple[Remote, Head]:
-    print("create release preparation branch from upstream master")
+    print("create release branch from upstream master")
     upstream = get_upstream(repo)
     upstream.fetch()
-    branch_name = f"prep-release-{version}"
+    branch_name = f"release-{version}"
     release_branch = repo.create_head(branch_name, upstream.refs.master, force=True)
     upstream.push(refspec=f"{branch_name}:{branch_name}", force=True)
     release_branch.set_tracking_branch(repo.refs[f"{upstream.name}/{branch_name}"])
@@ -46,15 +49,26 @@ def get_upstream(repo: Repo) -> Remote:
 
 
 def release_changelog(repo: Repo, version: Version) -> Commit:
-    print("generate prepare release commit")
+    print("generate release commit")
     check_call(["towncrier", "--yes", "--version", version.public], cwd=str(ROOT_SRC_DIR))
     changed = [item.a_path for item in repo.index.diff(None)]
     if any((not i.startswith("changelog") or i == "CHANGELOG.rst") for i in changed):
         raise RuntimeError(f"found changes outside of the changelog domain: {changed}")
     repo.index.add(changed)
-    release_commit = repo.index.commit(f"prepare release {version}")
+    release_commit = repo.index.commit(f"release {version}")
     return release_commit
 
 
+def tag_release_commit(release_commit, repo, version) -> TagReference:
+    print("tag release commit")
+    existing_tags = [x.name for x in repo.tags]
+    if version in existing_tags:
+        print("delete existing tag {}".format(version))
+        repo.delete_tag(version)
+    print("create tag {}".format(version))
+    tag = repo.create_tag(version, ref=release_commit, force=True)
+    return tag
+
+
 if __name__ == "__main__":
     main(sys.argv[1])
-- 
cgit v1.2.1