def get_git_url(path, timeout=0, debug=False):
'''
Get the remote origin url of the git. Raise an exception if the call takes
longer than 'timeout' seconds.
'''
# path must be a git tree
if not is_git(path, debug):
raise RunError(
cmd = 'ave.git.get_git_url(%s,%s)' % (path,timeout),
out = '',
message = 'failed to get git remote.origin.url: Not a git reposi' \
'tory: \'%s\'' % path
)
cmd = [
'git', '--git-dir=%s/.git'%path, '--work-tree='+path, 'config',
'--get', 'remote.origin.url'
]
(s, o, e) = ave.cmd.run(cmd, timeout=timeout, debug=debug)
if s == 0:
o = o.strip('\r\n')
return o
raise RunError(
cmd = 'ave.git.get_git_url(%s,%s)' % (path,timeout),
out = o,
message = 'failed to get git remote.origin.url in %s' % path
)
def branch(path, debug=False):
'''
Return the name of the currently active branch in the git tree found on
'path'.
'''
cmd = ['git', '--git-dir=%s/.git'%path, '--work-tree='+path, 'branch']
(s, o, e) = ave.cmd.run(cmd, debug=debug)
if s != 0:
error = get_error_str(o)
raise RunError(
cmd = 'ave.git.branch(%s)' % (path),
out = o,
message = 'failed to get branch at %s%s' % (path, error)
)
for line in o.splitlines():
m = re.search('^\* (?P<branch>.*)', line)
if m:
branch = m.group('branch')
if branch == '(no branch)' or branch.startswith('(HEAD detached at'):
raise RunError(
cmd = 'ave.git.branch(%s)' % (path),
out = o,
message = 'failed to get branch at %s: no branch found' % (path)
)
return branch
def checkout(path, refspec, force=False, debug=False):
'''
Use the reference specification 'refspec' to check out a commit in the
git tree found on 'path'. Note that the function cannot be used to
check out files, only versions.
'''
if (not force) and is_dirty(path, debug):
if debug:
sys.stderr.write('Destination %s is dirty. cannot checkout\n'%path)
sys.stderr.flush()
raise RunError(
cmd = 'ave.git.checkout(%s,%s,%s)' % (path, refspec, force),
out = '',
message = 'failed to check out %s: %s is dirty' % (refspec, path)
)
cmd = ['git', '--git-dir=%s/.git'%path, '--work-tree='+path, 'checkout',
_refspec_shorthand(refspec)]
(s, o, e) = ave.cmd.run(cmd, debug=debug)
if s != 0:
error = get_error_str(o)
raise RunError(
cmd = 'ave.git.checkout(%s,%s,%s)' % (path, refspec, force),
out = o,
message = 'failed to checkout %s%s' % (refspec, error)
)
def set_comment(project, change, patchset, message):
home = ave.config.load_etc()['home']
config = ave.gerrit.config.load(home)
host = config['host']
port = config['port']
user = config['user']
if type(project) not in [str, unicode]:
raise Exception('project must be a string')
if type(change) not in [str, unicode]:
raise Exception('change must be a string')
if type(patchset) not in [str, unicode]:
raise Exception('patchset must be a string')
if type(message) not in [str, unicode]:
raise Exception('message must be a string')
if message[0] != message[-1] != '"':
raise Exception('message must start and end with a \'"\'')
# make sure ssh finds its configuration files
os.environ['HOME'] = home
# make sure ssh always reads its private key from $HOME/.ssh
if 'SSH_AUTH_SOCK' in os.environ:
del(os.environ['SSH_AUTH_SOCK'])
cmd = [
'ssh', '-p', str(port), '-l', user, host, 'gerrit', 'review',
'--project', project, '%s,%s' % (change, patchset),
'--message', message
]
s,o,_ = ave.cmd.run(cmd)
if s != 0:
raise RunError(cmd, o, 'Could not perform gerrit review')
def list_branches(path, debug=False):
'''
Given a git tree found on 'path', return a tuple containing two list:
one with the names of all local branches, and one with the names remote
branches.
'''
cmd = ['git', '--git-dir=%s/.git'%path, '--work-tree='+path, 'branch', '-a']
(s, o, e) = ave.cmd.run(cmd, debug=debug)
if s != 0:
error = get_error_str(o)
raise RunError(
cmd = 'ave.git.list_branches(%s)' % (path),
out = o,
message = 'failed to list branches in %s%s' % (path, error)
)
local = []
remote = []
for line in o.splitlines():
m = re.match('. (?P<branch>[^/]+)$', line)
if m: # local branch
local.append(m.group('branch'))
continue
m = re.match(' remotes/origin/(?P<branch>[^\s]+)$', line)
if m:
remote.append(m.group('branch'))
return (local, remote)
def merge(path, refspec, debug=False):
'''
Merge the the commit specified by 'refspec' onto the currently checked
out commit in the git tree found on 'path'.
'''
cmd = ['git','--git-dir=%s/.git'%path,'--work-tree='+path,'merge',refspec]
(s, o, e) = ave.cmd.run(cmd, debug=debug)
if s != 0:
error = get_error_str(o)
raise RunError(
cmd = 'ave.git.merge(%s,%s)' % (path,refspec),
out = o,
message = 'failed to merge %s%s' % (refspec, error)
)
def init(path, debug=False):
'''
Initialize a new git tree in the directory on 'path'. The directory
must be empty.
'''
cmd = ['git','init',path]
(s, o, e) = ave.cmd.run(cmd, debug=debug)
if s != 0:
error = get_error_str(o)
raise RunError(
cmd = 'ave.git.init(%s)' % (path),
out = o,
message = 'failed to initialize git tree at %s%s' % (path, error)
)
def add(path, expr, debug=False):
'''
Add files covered by the expression 'expr' to the index in the git tree
found on 'path'. E.g. 'add("relative/path/to/git/tree", "*.txt")'.
'''
cmd = ['git', '--git-dir=%s/.git'%path, '--work-tree='+path, 'add', expr]
(s, o, e) = ave.cmd.run(cmd, debug=debug)
if s != 0:
error = get_error_str(o)
raise RunError(
cmd = 'ave.git.add(%s,%s)' % (path, expr),
out = o,
message = 'failed to add %s in %s%s' % (expr, path, error)
)
def fetch(src, dst, refspec, timeout, debug=False):
'''
Fetch deltas from the source 'src' to the destination 'dst' using the
reference specification 'refspec'. Raise an exception if the call takes
longer than 'timeout' seconds.
'''
cmd = ['git', '--git-dir=%s/.git'%dst, 'fetch', '-t', src, refspec]
(s, o, e) = ave.cmd.run(cmd, timeout=timeout, debug=debug)
if s != 0:
error = get_error_str(o)
raise RunError(
cmd = 'ave.git.fetch(%s,%s,%s,%s)' % (src,dst,refspec,timeout),
out = o,
message = 'failed to fetch %s%s' % (refspec, error)
)
def set_labels(project, change, patchset, labels, message=None):
home = ave.config.load_etc()['home']
config = ave.gerrit.config.load(home)
host = config['host']
port = config['port']
user = config['user']
if type(project) not in [str, unicode]:
raise Exception('project must be a string')
if type(change) not in [str, unicode]:
raise Exception('change must be a string')
if type(patchset) not in [str, unicode]:
raise Exception('patchset must be a string')
if not labels:
raise Exception('labels must be specified')
if not isinstance(labels, dict):
raise Exception('labels must be a dictionary')
if message and (type(message) not in [str, unicode]):
raise Exception('message must be a string')
if message and (message[0] != message[-1] != '"'):
raise Exception('message must start and end with a \'"\'')
cmd = [
'ssh', '-p', str(port), '-l', user, host, 'gerrit', 'review',
'--project', project, '%s,%s' % (change, patchset)
]
for label in labels:
if type(label) not in [str, unicode]:
raise Exception('label must be a string')
score = labels[label]
if not isinstance(score, int):
raise Exception('score must be an integer')
cmd.extend(['--label', '%s=%d' % (label, score)])
if message:
cmd.extend(['--message', message])
# make sure ssh finds its configuration files
os.environ['HOME'] = home
# make sure ssh always reads its private key from $HOME/.ssh
if 'SSH_AUTH_SOCK' in os.environ:
del(os.environ['SSH_AUTH_SOCK'])
s,o,_ = ave.cmd.run(cmd)
if s != 0:
raise RunError(cmd, o, 'Could not perform gerrit review')
def run_adb(cmd, timeout=0, debug=False, bg=False, output_file=None):
'''
Method used by the Handset class to run adb. Used to ensure which adb
binary is used for execution and report when the adb daemon is not running.
'''
if type(cmd) != list:
raise Exception('must pass command line as list to run_adb()')
if 'adb' in cmd[0]:
raise Exception('caller of run_adb() does not choose which adb to use')
cmd.insert(0, WHICH_ADB) # TODO: read value from config/workspace.json?
if not bg:
s,o,e = ave.cmd.run(cmd, timeout, debug, output_file=output_file)
if o.startswith('* daemon not running'):
raise RunError(cmd, o, 'ADB is caught in a reboot loop')
return s,o # ave.cmd.run() always sets third return value to ''
else:
child_pid, child_fd = ave.cmd.run_bg(cmd,debug)
return child_pid, child_fd
def is_dirty(path, debug=False):
'''
Return True if the git tree found on 'path' has contents that is either
staged or unstaged. Return False otherwise.
'''
cmd = ['git', '--git-dir=%s/.git'%path, '--work-tree='+path, 'status']
(s, o, e) = ave.cmd.run(cmd, debug=debug)
if s != 0:
error = get_error_str(o)
raise RunError(
cmd = 'ave.git.is_dirty(%s)' % (path),
out = o,
message = 'failed to check if %s is dirty%s' % (path, error)
)
for line in o.splitlines():
m = re.search('^nothing to commit', line)
if m:
return False
return True
def clone(src, dst, timeout, debug=False, depth=1):
'''
Clone a git tree from the source 'src' to the destination 'dst'. The
source may be a local file system path or any URL accepted by the
'git clone' command line tool. Raise an exception if the call takes
longer than 'timeout' seconds.
'''
cmd = ['git', 'clone', '--no-checkout', src, dst]
if isinstance(depth, int) or isinstance(int(depth), int):
cmd.extend(['--depth', str(depth)])
(s, o, e) = ave.cmd.run(cmd, timeout=timeout, debug=debug)
if s != 0:
error = get_error_str(o)
raise RunError(
cmd = 'ave.git.clone(%s,%s,%s)' % (src, dst, timeout),
out = o,
message = 'failed to clone from %s to %s%s' % (src, dst, error)
)
def create_branch(path, branch, refspec=None, debug=False):
'''
Create a new branch in the git tree found on 'path'. Optionally use
'refspec' to specify which commit to use as branch point. Otherwise the
currently checked out commit will be used as branch point.
'''
cmd = ['git', '--git-dir=%s/.git'%path, 'branch', branch]
if refspec:
cmd.append(refspec)
(s, o, e) = ave.cmd.run(cmd, debug=debug)
if s != 0:
error = get_error_str(o)
refs = ' (%s)' % refspec if refspec else ''
msg = 'failed to create branch %s%s at %s%s'%(branch,refs,path,error)
raise RunError(
cmd = 'ave.git.create_branch(%s,%s,%s)' % (path,branch,refspec),
out = o,
message = msg
)
def commit(path, comment, allow_empty=False, debug=False):
'''
Commit new changes added to the git tree found on 'path'. 'comment'
must be a string. Set 'allow_empty=True' if the tree's index is empty
and you want an empty commit generated.
'''
if allow_empty:
extra = '--allow-empty'
else:
extra = ''
cmd = ['git', '--git-dir=%s/.git'%path, '--work-tree='+path, 'commit',
extra, '-m', '"%s"'%comment]
(s, o, e) = ave.cmd.run(cmd, debug=debug)
if s != 0:
error = get_error_str(o)
raise RunError(
cmd = 'ave.git.commit(%s,%s,%s)' % (path, comment, allow_empty),
out = o,
message = 'failed to commit in %s%s' % (path, error)
)
def rev_list(path, limit=0, refspec=None, debug=False):
'''
List revisions by SHA1 id's in the git tree found on 'path'. Optionally
limit the list to 'limit' revisions. Optionally use 'refspec' to set
the starting point for the listing (defaults to "HEAD").
'''
if not refspec:
refspec = 'HEAD'
cmd = ['git', '--git-dir=%s/.git'%path, 'rev-list']
if limit:
cmd.extend(['--max-count=%d'%limit, refspec])
else:
cmd.append('--all')
(s, o, e) = ave.cmd.run(cmd, debug=debug)
if s != 0:
error = get_error_str(o)
msg = 'failed to list revisions at %s (%s)%s' % (path,refspec,error)
raise RunError(
cmd = 'ave.git.rev_list(%s,%s,%s)' % (path,limit,refspec),
out = o,
message = msg
)
return [line for line in o.splitlines()]
def sync(src, dst, refspec, timeout=0, debug=False, depth=1):
'''
Synchronize a destination tree 'dst' with a source tree 'src', then
check out the commit designated by 'refspec'. 'refspec' must be a
branch name or an SHA1 commit id. Raise an exception if the call takes
longer than 'timeout' seconds. Raise an exception if the destination
tree is dirty. It is safe to use this function to repeatedly
synchronize a source into the same destination, using different
reference specifications each time.
'''
command_str = 'ave.git.sync(%s,%s,%s,%s)' % (src, dst, refspec, timeout)
if not (src and dst and refspec):
raise RunError(
cmd = command_str,
out = '',
message = 'failed to sync: must specify src, dst and refspec'
)
if timeout:
time_limit = datetime.now() + timedelta(seconds=timeout)
else:
time_limit = None
# git assumes that unqualified refspecs are branches (then the qualifier
# should be "refs/heads/"). fix up the refspec after the same assumption
# if it isn't qualified
#if not refspec.startswith('refs/'):
# refspec = 'refs/heads/%s' % refspec
if not os.path.exists(dst):
os.makedirs(dst)
if not os.path.isdir(dst):
raise RunError(
cmd = command_str,
out = '',
message = 'destination is not a directory: %s' % dst
)
# clone if destination is empty
if not os.listdir(dst):
timeout = _recalc_timeout(time_limit)
clone(src, dst, timeout, debug, depth)
# fetch the wanted refspec if it doesn't show up in the rev-list. this
# is the normal case for deltas that have been pushed to Gerrit and not
# yet merged into a branch.
try:
rev_list(dst, 1, refspec, debug)
except RunError:
timeout = _recalc_timeout(time_limit)
fetch(src, dst, '%s:%s' % (refspec, refspec), timeout,debug)
# check out the wanted refspec
checkout(dst, refspec, True, debug)
return True
# didn't clone. will pull or fetch instead
# destination must be a git tree if we are going to fetch into it
if not is_git(dst, debug):
raise RunError(
cmd = command_str,
out = '',
message = 'destination is not a git tree: %s' % dst
)
# fetch the wanted refspec if it doesn't show up in the rev-list
try:
rev_list(dst, 1, refspec, debug)
except RunError:
timeout = _recalc_timeout(time_limit)
fetch(src, dst, '%s:%s' % (refspec, refspec), timeout, debug)
# if the refspec is a branch and the destination has the same branch
# checked out (not necessarily the same delta), then pull the refspec
(local, remote) = list_branches(dst, debug)
if refspec in remote:
if _same_branch(dst, refspec, debug):
# make sure the destination isn't dirty because then we can't pull
if is_dirty(dst, debug):
raise RunError(
cmd = command_str,
out = '',
message = 'can\'t pull into a dirty tree'
)
timeout = _recalc_timeout(time_limit)
pull(src, dst, refspec, timeout, debug)
return True
# didn't pull. checkout instead
checkout(dst, refspec, True, debug)
return True
