Some more work on the new dependency resolution system.

addons/gitbranch.py

@@ -7,7 +7,7 @@ from SCons.Script import *
 
 Import('env')
 
-def _gitbranch(env: Environment, repo_name: str, remote_url: str, git_ref: str = "main") -> dict:
+def _clone(env: Environment, repo_name: str, remote_url: str):
     repo_dir = os.path.join(env['CLONE_DIR'], 'git', repo_name, '_bare')
     try:
         repo = Repo(repo_dir)
@@ -16,6 +16,10 @@ def _gitbranch(env: Environment, repo_name: str, remote_url: str, git_ref: str =
         print(f'Initializing git repository at {repo_dir}.')
         repo = Repo.init(repo_dir, bare=True)
         origin = repo.create_remote('origin', remote_url)
+    return repo, origin
+
+def _gitbranch(env: Environment, repo_name: str, remote_url: str, git_ref: str = 'main') -> dict:
+    repo, origin = _clone(env, repo_name, remote_url)
     worktree_dir = os.path.join(env['CLONE_DIR'], 'git', repo_name, hashlib.shake_128(git_ref.encode('utf-8')).hexdigest(6)) # TODO: commit hash would be better, right? -> not if it's a branch!
     if not os.path.exists(worktree_dir):
         print(f'Checking out into {worktree_dir}.')
@@ -34,6 +38,12 @@ def _gitbranch(env: Environment, repo_name: str, remote_url: str, git_ref: str =
         'checkout_root': worktree_dir
     }
 
+def _gittags(env: Environment, repo_name: str, remote_url: str, force_fetch: bool = False) -> 'list[str]':
+    repo, origin = _clone(env, repo_name, remote_url)
+    if force_fetch or env['UPDATE_REPOSITORIES']:
+        origin.fetch(tags=True)
+    return [t.name for t in repo.tags]
 
 env.AddMethod(_gitbranch, 'GitBranch')
+env.AddMethod(_gittags, 'GitTags')
 Return('env')