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#!/usr/bin/env python3 # ------------------------------------------------------------- # Staging :: write a commit message for submodule update # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - # Project: Nasqueron # Created: 2018-10-27 # License: Trivial work, not eligible to copyright # # Thanks to joki for the git diff-files and ls-tree hint # https://stackoverflow.com/a/52908906/1930997 # ------------------------------------------------------------- from git import Repo from os import path import re import subprocess class SubmoduleCommit: def __init__(self, repo_path, submodule_path): self.repo_path = repo_path self.submodule_path = submodule_path self.repo = Repo(self.submodule_path) def craft_commit(self): lines = [] old_hash = self.get_old_hash() new_hash = self.get_new_hash() lines.append("Bump " + path.basename(self.submodule_path) + " to " + new_hash[:12]) lines.append("") lines.extend(self.get_commits_lines(old_hash, new_hash)) return "\n".join(lines) def get_old_hash(self): output = subprocess.check_output(['git', 'ls-tree', '@', self.submodule_path], cwd=self.repo_path, encoding="utf-8") matches = re.search('.*commit ([a-f0-9]*).*', output.strip()) return matches.group(1) def get_new_hash(self): return str(self.repo.head.commit) def format_commit_line(self, commit): hash = str(commit)[:12] title = commit.message.split("\n")[0] return " * {} {}".format(hash, title) def get_commits_lines(self, hash_base, hash_head): commits_lines = [] for commit in self.repo.iter_commits(hash_head): if str(commit) == hash_base: break line = self.format_commit_line(commit) commits_lines.append(line) return commits_lines def has_submodule_been_updated(self): process = subprocess.run(['git', 'diff-files', '--quiet', self.submodule_path], cwd=self.repo_path) return process.returncode != 0 def run(repo_path): repo = Repo(repo_path) submodules = [SubmoduleCommit(repo_path, submodule.name) for submodule in repo.submodules] commits = [submodule.craft_commit() for submodule in submodules if submodule.has_submodule_been_updated()] print("\n\n".join(commits)) def determine_current_repo(): return Repo('.', search_parent_directories=True).working_tree_dir if __name__ == "__main__": current_repo_path = determine_current_repo() run(current_repo_path)
#!/usr/bin/env python3 # ------------------------------------------------------------- # Staging :: write a commit message for submodule update # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - # Project: Nasqueron # Created: 2018-10-27 # License: Trivial work, not eligible to copyright # # Thanks to joki for the git diff-files and ls-tree hint # https://stackoverflow.com/a/52908906/1930997 # ------------------------------------------------------------- from git import Repo from os import path import re import subprocess class SubmoduleCommit: def __init__(self, repo_path, submodule_path): self.repo_path = repo_path self.submodule_path = submodule_path self.repo = Repo(self.submodule_path) def craft_commit(self): lines = [] old_hash = self.get_old_hash() new_hash = self.get_new_hash() lines.append("Bump " + path.basename(self.submodule_path) + " to " + new_hash[:12]) lines.append("") lines.extend(self.get_commits_lines(old_hash, new_hash)) return "\n".join(lines) def get_old_hash(self): output = subprocess.check_output(['git', 'ls-tree', '@', self.submodule_path], cwd=self.repo_path, encoding="utf-8") matches = re.search('.*commit ([a-f0-9]*).*', output.strip()) return matches.group(1) def get_new_hash(self): return str(self.repo.head.commit) def format_commit_line(self, commit): hash = str(commit)[:12] title = commit.message.split("\n")[0] return " * {} {}".format(hash, title) def get_commits_lines(self, hash_base, hash_head): commits_lines = [] for commit in self.repo.iter_commits(hash_head): if str(commit) == hash_base: break line = self.format_commit_line(commit) commits_lines.append(line) return commits_lines def has_submodule_been_updated(self): process = subprocess.run(['git', 'diff-files', '--quiet', self.submodule_path], cwd=self.repo_path) return process.returncode != 0 def run(repo_path): repo = Repo(repo_path) submodules = [SubmoduleCommit(repo_path, submodule.name) for submodule in repo.submodules] commits = [submodule.craft_commit() for submodule in submodules if submodule.has_submodule_been_updated()] print("\n\n".join(commits)) def determine_current_repo(): return Repo('.', search_parent_directories=True).working_tree_dir if __name__ == "__main__": current_repo_path = determine_current_repo() run(current_repo_path)
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