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Diffstat (limited to 'poky/meta/lib/oeqa/utils/git.py')
-rw-r--r-- | poky/meta/lib/oeqa/utils/git.py | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/poky/meta/lib/oeqa/utils/git.py b/poky/meta/lib/oeqa/utils/git.py new file mode 100644 index 000000000..757e3f0cb --- /dev/null +++ b/poky/meta/lib/oeqa/utils/git.py @@ -0,0 +1,80 @@ +# +# Copyright (C) 2016 Intel Corporation +# +# Released under the MIT license (see COPYING.MIT) +# +"""Git repository interactions""" +import os + +from oeqa.utils.commands import runCmd + + +class GitError(Exception): + """Git error handling""" + pass + +class GitRepo(object): + """Class representing a Git repository clone""" + def __init__(self, path, is_topdir=False): + git_dir = self._run_git_cmd_at(['rev-parse', '--git-dir'], path) + git_dir = git_dir if os.path.isabs(git_dir) else os.path.join(path, git_dir) + self.git_dir = os.path.realpath(git_dir) + + if self._run_git_cmd_at(['rev-parse', '--is-bare-repository'], path) == 'true': + self.bare = True + self.top_dir = self.git_dir + else: + self.bare = False + self.top_dir = self._run_git_cmd_at(['rev-parse', '--show-toplevel'], + path) + realpath = os.path.realpath(path) + if is_topdir and realpath != self.top_dir: + raise GitError("{} is not a Git top directory".format(realpath)) + + @staticmethod + def _run_git_cmd_at(git_args, cwd, **kwargs): + """Run git command at a specified directory""" + git_cmd = 'git ' if isinstance(git_args, str) else ['git'] + git_cmd += git_args + ret = runCmd(git_cmd, ignore_status=True, cwd=cwd, **kwargs) + if ret.status: + cmd_str = git_cmd if isinstance(git_cmd, str) \ + else ' '.join(git_cmd) + raise GitError("'{}' failed with exit code {}: {}".format( + cmd_str, ret.status, ret.output)) + return ret.output.strip() + + @staticmethod + def init(path, bare=False): + """Initialize a new Git repository""" + cmd = ['init'] + if bare: + cmd.append('--bare') + GitRepo._run_git_cmd_at(cmd, cwd=path) + return GitRepo(path, is_topdir=True) + + def run_cmd(self, git_args, env_update=None): + """Run Git command""" + env = None + if env_update: + env = os.environ.copy() + env.update(env_update) + return self._run_git_cmd_at(git_args, self.top_dir, env=env) + + def rev_parse(self, revision): + """Do git rev-parse""" + try: + return self.run_cmd(['rev-parse', '--verify', revision]) + except GitError: + # Revision does not exist + return None + + def get_current_branch(self): + """Get current branch""" + try: + # Strip 11 chars, i.e. 'refs/heads' from the beginning + return self.run_cmd(['symbolic-ref', 'HEAD'])[11:] + except GitError: + return None + + |