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128 lines
3.4 KiB
Python
128 lines
3.4 KiB
Python
"""Wrapper around git command-line tools."""
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from __future__ import (absolute_import, division, print_function)
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__metaclass__ = type
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import re
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from . import types as t
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from .util import (
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SubprocessError,
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raw_command,
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)
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class Git:
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"""Wrapper around git command-line tools."""
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def __init__(self, root=None): # type: (t.Optional[str]) -> None
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self.git = 'git'
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self.root = root
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def get_diff(self, args, git_options=None):
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"""
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:type args: list[str]
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:type git_options: list[str] | None
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:rtype: list[str]
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"""
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cmd = ['diff'] + args
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if git_options is None:
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git_options = ['-c', 'core.quotePath=']
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return self.run_git_split(git_options + cmd, '\n', str_errors='replace')
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def get_diff_names(self, args):
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"""
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:type args: list[str]
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:rtype: list[str]
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"""
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cmd = ['diff', '--name-only', '--no-renames', '-z'] + args
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return self.run_git_split(cmd, '\0')
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def get_submodule_paths(self): # type: () -> t.List[str]
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"""Return a list of submodule paths recursively."""
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cmd = ['submodule', 'status', '--recursive', '.']
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output = self.run_git_split(cmd, '\n')
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submodule_paths = [re.search(r'^.[0-9a-f]+ (?P<path>[^ ]+)', line).group('path') for line in output]
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return submodule_paths
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def get_file_names(self, args):
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"""
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:type args: list[str]
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:rtype: list[str]
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"""
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cmd = ['ls-files', '-z'] + args
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return self.run_git_split(cmd, '\0')
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def get_branches(self):
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"""
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:rtype: list[str]
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"""
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cmd = ['for-each-ref', 'refs/heads/', '--format', '%(refname:strip=2)']
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return self.run_git_split(cmd)
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def get_branch(self):
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"""
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:rtype: str
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"""
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cmd = ['symbolic-ref', '--short', 'HEAD']
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return self.run_git(cmd).strip()
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def get_rev_list(self, commits=None, max_count=None):
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"""
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:type commits: list[str] | None
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:type max_count: int | None
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:rtype: list[str]
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"""
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cmd = ['rev-list']
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if commits:
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cmd += commits
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else:
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cmd += ['HEAD']
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if max_count:
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cmd += ['--max-count', '%s' % max_count]
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return self.run_git_split(cmd)
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def get_branch_fork_point(self, branch):
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"""
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:type branch: str
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:rtype: str
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"""
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cmd = ['merge-base', '--fork-point', branch]
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return self.run_git(cmd).strip()
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def is_valid_ref(self, ref):
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"""
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:type ref: str
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:rtype: bool
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"""
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cmd = ['show', ref]
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try:
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self.run_git(cmd, str_errors='replace')
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return True
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except SubprocessError:
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return False
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def run_git_split(self, cmd, separator=None, str_errors='strict'):
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"""
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:type cmd: list[str]
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:type separator: str | None
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:type str_errors: str
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:rtype: list[str]
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"""
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output = self.run_git(cmd, str_errors=str_errors).strip(separator)
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if not output:
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return []
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return output.split(separator)
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def run_git(self, cmd, str_errors='strict'):
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"""
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:type cmd: list[str]
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:type str_errors: str
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:rtype: str
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"""
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return raw_command([self.git] + cmd, cwd=self.root, capture=True, str_errors=str_errors)[0]
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