CI: convert galaxy version check to pre-commit + autodetect

Author: VannTen

Diff for: .gitlab-ci.yml

@@ -57,7 +57,6 @@ before_script:
   needs:
     - pipeline-image
     - ci-not-authorized
-    - check-galaxy-version  # lint
     - pre-commit            # lint
     - vagrant-validate      # lint
 

Diff for: .gitlab-ci/lint.yml

@@ -24,13 +24,3 @@ vagrant-validate:
   script:
   - ./tests/scripts/vagrant-validate.sh
   except: ['triggers', 'master']
-
-
-# TODO: convert to pre-commit hook
-check-galaxy-version:
-  needs: []
-  stage: test
-  tags: [ffci]
-  image: python:3
-  script:
-  - tests/scripts/check_galaxy_version.sh

Diff for: .pre-commit-config.yaml

@@ -70,6 +70,14 @@ repos:
           - pathlib
           - pyaml
 
+      - id: check-galaxy-version
+        name: Verify correct version for galaxy.yml
+        entry: scripts/galaxy_version.py
+        language: python
+        pass_filenames: false
+        additional_dependencies:
+          - ruamel.yaml
+
       - id: jinja-syntax-check
         name: jinja-syntax-check
         entry: tests/scripts/check-templates.py

Diff for: scripts/galaxy_version.py

@@ -0,0 +1,49 @@
+#!/usr/bin/env python
+
+import subprocess
+import ruamel.yaml
+import os
+
+last_tag = (
+    subprocess.Popen(
+        ["git", "describe", "--tags", "--abbrev=0"], stdout=subprocess.PIPE
+    )
+    .communicate()[0]
+    .rstrip()
+    .decode("utf-8")
+    .removeprefix("v")
+    .split(".")
+)
+# Use CI provided base ref if available, else use HEAD to guess
+git_branch = os.getenv(
+    "GITHUB_BASE_REF",
+    (
+        subprocess.Popen(
+            ["git", "rev-parse", "--abbrev-ref", "HEAD"], stdout=subprocess.PIPE
+        )
+        .communicate()[0]
+        .rstrip()
+        .decode("utf-8")
+    ),
+)
+if git_branch.startswith("release"):
+    version_comp_index = 2
+else:
+    version_comp_index = 1
+
+last_tag[version_comp_index] = str(int(last_tag[version_comp_index]) + 1)
+new_tag = ".".join(last_tag)
+
+yaml = ruamel.yaml.YAML()
+yaml.indent(mapping=2, sequence=4, offset=2)
+yaml.explicit_start = True
+
+with open(
+    "galaxy.yml",
+) as galaxy_yml:
+    config = yaml.load(galaxy_yml)
+
+config["version"] = new_tag
+
+with open("galaxy.yml", "w") as galaxy_yml:
+    yaml.dump(config, galaxy_yml)