def GetUpstream(git_dir, branch):
"""Returns the name of the upstream for a branch
Args:
git_dir: Git directory containing repo
branch: Name of branch
Returns:
Name of upstream branch (e.g. 'upstream/master') or None if none
"""
try:
remote = command.OutputOneLine('git', '--git-dir', git_dir, 'config',
'branch.%s.remote' % branch)
merge = command.OutputOneLine('git', '--git-dir', git_dir, 'config',
'branch.%s.merge' % branch)
except:
return None
if remote == '.':
return merge
elif remote and merge:
leaf = merge.split('/')[-1]
return '%s/%s' % (remote, leaf)
else:
raise ValueError, ("Cannot determine upstream branch for branch "
"'%s' remote='%s', merge='%s'" %
(branch, remote, merge))
def GetHead():
"""Get the hash of the current HEAD
Returns:
Hash of HEAD
"""
return command.OutputOneLine('git', 'show', '-s', '--pretty=format:%H')
def LocateArchUrl(self, fetch_arch):
"""Find a toolchain available online
Look in standard places for available toolchains. At present the
only standard place is at kernel.org.
Args:
arch: Architecture to look for, or 'list' for all
Returns:
If fetch_arch is 'list', a tuple:
Machine architecture (e.g. x86_64)
List of toolchains
else
URL containing this toolchain, if avaialble, else None
"""
arch = command.OutputOneLine('uname', '-m')
base = 'https://www.kernel.org/pub/tools/crosstool/files/bin'
versions = ['7.3.0', '6.4.0', '4.9.4']
links = []
for version in versions:
url = '%s/%s/%s/' % (base, arch, version)
print('Checking: %s' % url)
response = urllib.request.urlopen(url)
html = tools.ToString(response.read())
parser = MyHTMLParser(fetch_arch)
parser.feed(html)
if fetch_arch == 'list':
links += parser.links
elif parser.arch_link:
return url + parser.arch_link
if fetch_arch == 'list':
return arch, links
return None
def GetDefaultUserEmail():
"""Gets the user.email from the global .gitconfig file.
Returns:
User's email found in .gitconfig file, or None if none
"""
uemail = command.OutputOneLine('git', 'config', '--global', 'user.email')
return uemail
def GetDefaultUserName():
"""Gets the user.name from .gitconfig file.
Returns:
User name found in .gitconfig file, or None if none
"""
uname = command.OutputOneLine('git', 'config', '--global', 'user.name')
return uname
def GetAliasFile():
"""Gets the name of the git alias file.
Returns:
Filename of git alias file, or None if none
"""
fname = command.OutputOneLine('git', 'config', 'sendemail.aliasesfile')
if fname:
fname = os.path.join(GetTopLevel(), fname.strip())
return fname
def GetDefaultSubjectPrefix():
"""Gets the format.subjectprefix from local .git/config file.
Returns:
Subject prefix found in local .git/config file, or None if none
"""
sub_prefix = command.OutputOneLine('git', 'config', 'format.subjectprefix',
raise_on_error=False)
return sub_prefix
def GetTopLevel():
"""Return name of top-level directory for this git repo.
Returns:
Full path to git top-level directory
This test makes sure that we are running tests in the right subdir
>>> os.path.realpath(os.path.dirname(__file__)) == \
os.path.join(GetTopLevel(), 'tools', 'patman')
True
"""
return command.OutputOneLine('git', 'rev-parse', '--show-toplevel')