def _checkoutUpstreamRevision(self, revision):
"""
Concretely do the checkout of the upstream sources. Use
`revision` as the name of the tag to get, or as a date if it
starts with a number.
Return the last applied changeset.
"""
from os.path import join, exists, split
from time import sleep
from vcpx.repository.cvs import CvsEntries, compare_cvs_revs
from vcpx.changes import ChangesetEntry
if not self.repository.module:
raise InvocationError("Must specify a module name")
timestamp = None
if revision is not None:
# If the revision contains a space, assume it really
# specify a branch and a timestamp. If it starts with
# a digit, assume it's a timestamp. Otherwise, it must
# be a branch name
if revision[0] in '0123456789' or revision == 'INITIAL':
timestamp = revision
revision = None
elif ' ' in revision:
revision, timestamp = revision.split(' ', 1)
csets = self.getPendingChangesets(revision)
if not csets:
raise TargetInitializationFailure(
"Something went wrong: there are no changesets since "
"revision '%s'" % revision)
if timestamp == 'INITIAL':
initialcset = csets.next()
timestamp = initialcset.date.replace(tzinfo=None).isoformat(
sep=' ')
else:
initialcset = None
if not exists(join(self.repository.basedir, 'CVS')):
# CVS does not handle "checkout -d multi/level/subdir", so
# split the basedir and use it's parentdir as cwd below.
parentdir, subdir = split(self.repository.basedir)
cmd = self.repository.command("-f", "-q", "-d",
self.repository.repository,
"checkout", "-d", subdir)
if revision:
cmd.extend(["-r", revision])
if timestamp:
cmd.extend(["-D", "%s UTC" % timestamp])
if self.repository.freeze_keywords:
cmd.append('-kk')
checkout = ExternalCommand(cwd=parentdir, command=cmd)
retry = 0
while True:
checkout.execute(self.repository.module)
if checkout.exit_status:
retry += 1
if retry > 3:
break
delay = 2**retry
self.log.warning(
"%s returned status %s, "
"retrying in %d seconds...", str(checkout),
checkout.exit_status, delay)
sleep(retry)
else:
break
if checkout.exit_status:
raise TargetInitializationFailure(
"%s returned status %s" %
(str(checkout), checkout.exit_status))
else:
self.log.info("Using existing %s", self.repository.basedir)
if self.repository.tag_entries:
self.__forceTagOnEachEntry()
entries = CvsEntries(self.repository.basedir)
youngest_entry = entries.getYoungestEntry()
if youngest_entry is None:
raise EmptyRepositoriesFoolsMe("The working copy '%s' of the "
"CVS repository seems empty, "
"don't know how to deal with "
"that." % self.repository.basedir)
# loop over the changesets and find the last applied, to find
# out the actual cvsps revision
found = False
def already_applied(cs, entries=entries):
"Loop over changeset entries to determine if it's already applied."
applied = False
# applied become True when an entry is DELETED *and* there is
# no metainfo for it: thus, a changeset that removes a few entries
# very late in history would be assumed as applied. Prevent that
# by checking for at least one explicit match on an existing entry.
onepositive = False
for m in cs.entries:
info = entries.getFileInfo(m.name)
# If the entry's info exists, compare the on-disk
# version with what we have: the revision is already
# applied if the former is greater or equal than the
# latter. The same if the info does not exist and it's
# a delete event.
if info:
odversion = info.cvs_version
applied = compare_cvs_revs(odversion, m.new_revision) >= 0
# If only one "hunk" is not yet applied, the whole
# changeset is new.
if not applied:
break
else:
onepositive = True
elif m.action_kind == ChangesetEntry.DELETED:
applied = True
return applied and onepositive
# We cannot stop at the first not-applied cset, because it may
# old enough to trick already_applied(): an entry may have
# been moved in the meantime, and thus the getFileInfo()
# method would return None, for example... So we really have
# to loop over the whole queue.
for cset in self.state_file:
applied = already_applied(cset)
found = found or applied
if applied:
last = cset
if not found and initialcset:
found = already_applied(initialcset)
if found:
last = initialcset
if not found:
raise TargetInitializationFailure(
"Something went wrong: unable to determine the exact upstream "
"revision of the checked out tree in '%s'. Either you specified "
"the wrong initial timestamp, or you are checking out a "
"composition of 'CVS modules' and Tailor does not support them; "
"see the option 'trim-module-components' for a possible "
"workaround." % self.repository.basedir)
else:
self.log.info("Working copy up to revision %s", last.revision)
return last
def _checkoutUpstreamRevision(self, revision):
"""
Concretely do the checkout of the upstream sources. Use
`revision` as the name of the tag to get, or as a date if it
starts with a number.
Return the last applied changeset.
"""
from os.path import join, exists, split
from time import sleep
from vcpx.repository.cvs import CvsEntries, compare_cvs_revs
from vcpx.changes import ChangesetEntry
if not self.repository.module:
raise InvocationError("Must specify a module name")
timestamp = None
if revision is not None:
# If the revision contains a space, assume it really
# specify a branch and a timestamp. If it starts with
# a digit, assume it's a timestamp. Otherwise, it must
# be a branch name
if revision[0] in '0123456789' or revision == 'INITIAL':
timestamp = revision
revision = None
elif ' ' in revision:
revision, timestamp = revision.split(' ', 1)
csets = self.getPendingChangesets(revision)
if not csets:
raise TargetInitializationFailure(
"Something went wrong: there are no changesets since "
"revision '%s'" % revision)
if timestamp == 'INITIAL':
initialcset = csets.next()
timestamp = initialcset.date.replace(tzinfo=None).isoformat(sep=' ')
else:
initialcset = None
if not exists(join(self.repository.basedir, 'CVS')):
# CVS does not handle "checkout -d multi/level/subdir", so
# split the basedir and use it's parentdir as cwd below.
parentdir, subdir = split(self.repository.basedir)
cmd = self.repository.command("-f", "-q",
"-d", self.repository.repository,
"checkout",
"-d", subdir)
if revision:
cmd.extend(["-r", revision])
if timestamp:
cmd.extend(["-D", "%s UTC" % timestamp])
if self.repository.freeze_keywords:
cmd.append('-kk')
checkout = ExternalCommand(cwd=parentdir, command=cmd)
retry = 0
while True:
checkout.execute(self.repository.module)
if checkout.exit_status:
retry += 1
if retry>3:
break
delay = 2**retry
self.log.warning("%s returned status %s, "
"retrying in %d seconds...",
str(checkout), checkout.exit_status,
delay)
sleep(retry)
else:
break
if checkout.exit_status:
raise TargetInitializationFailure(
"%s returned status %s" % (str(checkout),
checkout.exit_status))
else:
self.log.info("Using existing %s", self.repository.basedir)
if self.repository.tag_entries:
self.__forceTagOnEachEntry()
entries = CvsEntries(self.repository.basedir)
youngest_entry = entries.getYoungestEntry()
if youngest_entry is None:
raise EmptyRepositoriesFoolsMe("The working copy '%s' of the "
"CVS repository seems empty, "
"don't know how to deal with "
"that." % self.repository.basedir)
# loop over the changesets and find the last applied, to find
# out the actual cvsps revision
found = False
def already_applied(cs, entries=entries):
"Loop over changeset entries to determine if it's already applied."
applied = False
# applied become True when an entry is DELETED *and* there is
# no metainfo for it: thus, a changeset that removes a few entries
# very late in history would be assumed as applied. Prevent that
# by checking for at least one explicit match on an existing entry.
onepositive = False
for m in cs.entries:
info = entries.getFileInfo(m.name)
# If the entry's info exists, compare the on-disk
# version with what we have: the revision is already
# applied if the former is greater or equal than the
# latter. The same if the info does not exist and it's
# a delete event.
if info:
odversion = info.cvs_version
applied = compare_cvs_revs(odversion, m.new_revision) >= 0
# If only one "hunk" is not yet applied, the whole
# changeset is new.
if not applied:
break
else:
onepositive = True
elif m.action_kind == ChangesetEntry.DELETED:
applied = True
return applied and onepositive
# We cannot stop at the first not-applied cset, because it may
# old enough to trick already_applied(): an entry may have
# been moved in the meantime, and thus the getFileInfo()
# method would return None, for example... So we really have
# to loop over the whole queue.
for cset in self.state_file:
applied = already_applied(cset)
found = found or applied
if applied:
last = cset
if not found and initialcset:
found = already_applied(initialcset)
if found:
last = initialcset
if not found:
raise TargetInitializationFailure(
"Something went wrong: unable to determine the exact upstream "
"revision of the checked out tree in '%s'. Either you specified "
"the wrong initial timestamp, or you are checking out a "
"composition of 'CVS modules' and Tailor does not support them; "
"see the option 'trim-module-components' for a possible "
"workaround." % self.repository.basedir)
else:
self.log.info("Working copy up to revision %s", last.revision)
return last
