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#!/usr/bin/python
# bzr plugin that runs etckeeper pre-commit when necessary
from bzrlib.branch import Branch
from bzrlib.errors import BzrError
import os
import subprocess
def branch_pre_commit_hook(local, master, old_revno, old_revid,
new_revno, new_revid, tree_delta, future_tree):
if local is None:
branch = master
else:
branch = local
base = branch.bzrdir.root_transport.local_abspath(".")
if not os.path.exists(os.path.join(base, ".etckeeper")):
return
ret = subprocess.call(["etckeeper", "pre-commit", base])
if ret != 0:
raise BzrError("etckeeper pre-commit failed")
Branch.hooks.install_hook('pre_commit', branch_pre_commit_hook)
Branch.hooks.name_hook(branch_pre_commit_hook, "shell-hooks")
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