def _copy_print(self):
"""p4 print all revs and git-hash-object them into the git repo."""
server_can_unexpand = self.ctx.p4.server_level > 32
printhandler = PrintHandler(need_unexpand=not server_can_unexpand,
tempdir=self.ctx.tempdir.name)
self.ctx.p4.handler = printhandler
args = ["-a"]
if server_can_unexpand:
args.append("-k")
self.ctx.p4.run("print", args, self._path_range())
printhandler.flush()
printhandler.progress.progress_finish()
# If also grafting, print all revs in existence at time of graft.
if self.graft_change:
args = []
if server_can_unexpand:
args.append("-k")
path = self._graft_path()
LOG.debug("Printing for grafted history: {}".format(path))
self.ctx.p4.run("print", args, path)
printhandler.flush()
# If grafting, we just printed revs that refer to changelists
# that have no P4Changelist counterpart in self.changes. Make
# some skeletal versions now so that FstatHandler will have
# someplace to hang its outputStat() P4File instances.
for (_key, p4file) in printhandler.revs.revs:
if not p4file.change in self.changes:
cl = P4Changelist()
cl.change = p4file.change
self.changes[p4file.change] = cl
self.ctx.p4.handler = None
self.printed_revs = printhandler.revs
def get_keys_changes(p4, low, high):
"""Retrieve the set of changes made to the user keys between the two changes.
Keyword arguments:
p4 -- P4 API
low -- earliest change for which to retrieve changes
high -- latest change for which to retrieve changes
"""
rev_range = '@{},{}'.format(low, high)
changes = P4Changelist.create_changelist_list_as_dict(
p4, KEYS_PATH + rev_range)
changes = sorted(changes.keys())
root = '//{}/users'.format(p4gf_const.P4GF_DEPOT)
changes = [
P4Changelist.create_using_describe(p4, c, root) for c in changes
]
return changes
def _setup(self, start_at, stop_at):
"""Set RevRange rev_range, figure out which changelists to copy."""
self.rev_range = RevRange.from_start_stop(self.ctx, start_at, stop_at)
LOG.debug(
"Revision range to copy to Git: {rr}".format(rr=self.rev_range))
# get list of changes to import into git
self.changes = P4Changelist.create_changelist_list_as_dict(
self.ctx.p4, self._path_range())
# If grafting, get that too.
if self.rev_range.graft_change_num:
# Ignore all depotFile elements, we just want the change/desc/time/user.
self.graft_change = P4Changelist.create_using_describe(
self.ctx.p4, self.rev_range.graft_change_num,
"ignore_depot_files")
self.graft_change.description += (
'\n[grafted history before {start_at}]'.format(
start_at=start_at))
def _setup(self, start_at, stop_at):
"""Set RevRange rev_range, figure out which changelists to copy."""
self.rev_range = RevRange.from_start_stop(self.ctx, start_at, stop_at)
LOG.debug("Revision range to copy to Git: {rr}"
.format(rr=self.rev_range))
# get list of changes to import into git
self.changes = P4Changelist.create_changelist_list_as_dict(
self.ctx.p4,
self._path_range())
# If grafting, get that too.
if self.rev_range.graft_change_num:
# Ignore all depotFile elements, we just want the change/desc/time/user.
self.graft_change = P4Changelist.create_using_describe(
self.ctx.p4,
self.rev_range.graft_change_num,
"ignore_depot_files")
self.graft_change.description += ('\n[grafted history before {start_at}]'
.format(start_at=start_at))
def _copy_one(self, cnob):
'''
Copy one ChangeNumOnBranch element from Perforce to Git.
p4 print all of its file revisions directly into .git/objects as blobs
add them to the git-fast-import script
'''
_debug2('_copy_one {}', cnob)
branch = self.ctx.branch_dict().get(cnob.branch_id)
with self.ctx.switched_to_branch(branch):
# Keep track of the highest changelist number we've
# copied. Can't rely on
# self.change_num_on_branch_list[-1] starting with our
# highest changelist number because we might discover
# new branches during later calls to _copy_one().
change_num = int(cnob.change_num)
if self.highest_copied_change_num < change_num:
self.highest_copied_change_num = change_num
self.cnob_count += 1
# p4 changes -l -m1 @nnn
#
# Gets changelist description (including possible DescInfo),
# owner, time.
with self.p2g.perf.timer[CHANGES1]:
r = self.ctx.p4run([
'changes',
'-l' # include full changelist description
,
'-m1' # just this one changelist
,
'@{}'.format(cnob.change_num)
])
p4changelist = P4Changelist.create_using_changes(r[0])
# p4 filelog -c nnnn -m1 //change_path/...
#
# Gets integration sources for parent calculations.
# Gets files deleted at this rev (which 'p4 print' won't on 11.1).
# Gets file list for this changelist.
#
# Cannot use p4 filelog //{client}/...@=nnn
# That does request does not return one fstat for each file
# in changelist nnn.
with self.p2g.perf.timer[FILELOG]:
cmd = ['filelog', '-c', cnob.change_num, '-m1', cnob.path]
filelog_results = self.ctx.p4run(cmd)
### Detect lightweight integration sources not yet known.
### Create new Branch views to map them into this repo,
### run 'p4 changes' on them to add their history to our
### change_num_on_branch_list work queue, sorted.
dbil = self.p2g.to_depot_branch_list_mc(change_num,
filelog_results)
new_dbi_set = set(dbil) - self.known_dbi_set
if new_dbi_set:
### push_front cnob
for dbi in new_dbi_set:
LOG.error('AHA detected new integ source: {}'.format(dbi))
### process dbi into branch, branch into more cnobs
### mergesort new cnobs into cnob deque
self.known_dbi_set.update(new_dbi_set)
### return, we'll deal with this later
### +++ save changes and filelog work
# p4 print every revision modified by this changelist.
#
# +++ Also print every revision AFTER this changelist. There's a
# +++ high probability that we'll need those revisons later.
# +++ Printing them all now _greatly_ reduces the total number of
# +++ 'p4 print' requests, reduces the Perforce server's workload
# +++ (and thus repsponse time) in generating incremental file
# +++ revisions from any files stored using RCS deltas (aka most
# +++ files).
with self.p2g.perf.timer[CALC_PRINT]:
depot_path_rev_list = []
for rr in filelog_results:
if ((not isinstance(rr, dict)) or ('depotFile' not in rr)
or ('rev' not in rr)):
continue
p4file = P4File.create_from_filelog(rr)
p4changelist.files.append(p4file)
depot_path = rr['depotFile']
rev = rr['rev'][0]
if self._already_printed(depot_path, rev):
continue
depot_path_rev_list.append('{}#{},head'.format(
depot_path, rev))
rev_total = len(p4changelist.files)
_debug2(
'Printing files.'
' change: {change_num}'
' total: {rev_total}'
' need_print: {rev_need_print}'
' already_printed: {rev_already_printed}',
change_num=cnob.change_num,
rev_need_print=len(depot_path_rev_list),
rev_already_printed=rev_total - len(depot_path_rev_list),
rev_total=rev_total)
if depot_path_rev_list:
with self.p2g.perf.timer[PRINT2]:
printhandler = self._print_handler()
server_can_unexpand = self.ctx.p4.server_level > 32
args = ["-a"]
if server_can_unexpand:
args.append("-k")
cmd = ['print'] + args + depot_path_rev_list
with p4gf_util.RawEncoding(self.ctx.p4) \
, p4gf_util.Handler(self.ctx.p4, printhandler) \
, self.ctx.p4.at_exception_level(P4.RAISE_ALL):
self.ctx.p4run(cmd)
printhandler.flush()
# Find each file revision's blob sha1.
for p4file in p4changelist.files:
symlink_path = _depot_rev_to_symlink(
depot_path=p4file.depot_path,
rev=p4file.revision,
symlink_dir=self.symlink_dir)
blob_path = os.readlink(symlink_path)
p4file.sha1 = _blob_path_to_sha1(blob_path)
# If we can copy the Git commit and its tree objects from
# our gitmirror, do so.
# Non-MemCapped code calls all FI functions with
# timer[FAST_IMPORT] as outer container, so must we.
with self.p2g.perf.timer[FAST_IMPORT]:
if self.p2g._fast_import_from_gitmirror(p4changelist, branch):
LOG.debug2('@{} fast-imported from gitmirror.'.format(
cnob.change_num))
return
# Build a git-fast-import commit object.
### _fast_import_from_p4() runs its own filelog to
### discover integ sources. That needs to be hoisted up
### to our own filelog and passed down to avoid
### duplicate work.
LOG.debug2('@{} fast-importing from p4 changelist.'.format(
cnob.change_num))
self.p2g._fast_import_from_p4_mc(
change=p4changelist,
branch=branch,
filelog_results=filelog_results,
mark_to_branch_id=self.mark_to_branch_id,
branch_id_to_temp_name=self.branch_id_to_temp_name)
def _copy_one(self, cnob):
'''
Copy one ChangeNumOnBranch element from Perforce to Git.
p4 print all of its file revisions directly into .git/objects as blobs
add them to the git-fast-import script
'''
_debug2('_copy_one {}', cnob)
branch = self.ctx.branch_dict().get(cnob.branch_id)
with self.ctx.switched_to_branch(branch):
# Keep track of the highest changelist number we've
# copied. Can't rely on
# self.change_num_on_branch_list[-1] starting with our
# highest changelist number because we might discover
# new branches during later calls to _copy_one().
change_num = int(cnob.change_num)
if self.highest_copied_change_num < change_num:
self.highest_copied_change_num = change_num
self.cnob_count += 1
# p4 changes -l -m1 @nnn
#
# Gets changelist description (including possible DescInfo),
# owner, time.
with self.p2g.perf.timer[CHANGES1]:
r = self.ctx.p4run([ 'changes'
, '-l' # include full changelist description
, '-m1' # just this one changelist
, '@{}'.format(cnob.change_num)])
p4changelist = P4Changelist.create_using_changes(r[0])
# p4 filelog -c nnnn -m1 //change_path/...
#
# Gets integration sources for parent calculations.
# Gets files deleted at this rev (which 'p4 print' won't on 11.1).
# Gets file list for this changelist.
#
# Cannot use p4 filelog //{client}/...@=nnn
# That does request does not return one fstat for each file
# in changelist nnn.
with self.p2g.perf.timer[FILELOG]:
cmd = [ 'filelog'
, '-c', cnob.change_num
, '-m1'
, cnob.path]
filelog_results = self.ctx.p4run(cmd)
### Detect lightweight integration sources not yet known.
### Create new Branch views to map them into this repo,
### run 'p4 changes' on them to add their history to our
### change_num_on_branch_list work queue, sorted.
dbil = self.p2g.to_depot_branch_list_mc(change_num, filelog_results)
new_dbi_set = set(dbil) - self.known_dbi_set
if new_dbi_set:
### push_front cnob
for dbi in new_dbi_set:
LOG.error('AHA detected new integ source: {}'.format(dbi))
### process dbi into branch, branch into more cnobs
### mergesort new cnobs into cnob deque
self.known_dbi_set.update(new_dbi_set)
### return, we'll deal with this later
### +++ save changes and filelog work
# p4 print every revision modified by this changelist.
#
# +++ Also print every revision AFTER this changelist. There's a
# +++ high probability that we'll need those revisons later.
# +++ Printing them all now _greatly_ reduces the total number of
# +++ 'p4 print' requests, reduces the Perforce server's workload
# +++ (and thus repsponse time) in generating incremental file
# +++ revisions from any files stored using RCS deltas (aka most
# +++ files).
with self.p2g.perf.timer[CALC_PRINT]:
depot_path_rev_list = []
for rr in filelog_results:
if ( (not isinstance(rr, dict))
or ('depotFile' not in rr)
or ('rev' not in rr)):
continue
p4file = P4File.create_from_filelog(rr)
p4changelist.files.append(p4file)
depot_path = rr['depotFile']
rev = rr['rev'][0]
if self._already_printed(depot_path, rev):
continue
depot_path_rev_list.append('{}#{},head'
.format(depot_path, rev))
rev_total = len(p4changelist.files)
_debug2('Printing files.'
' change: {change_num}'
' total: {rev_total}'
' need_print: {rev_need_print}'
' already_printed: {rev_already_printed}'
, change_num = cnob.change_num
, rev_need_print = len(depot_path_rev_list)
, rev_already_printed = rev_total - len(depot_path_rev_list)
, rev_total = rev_total)
if depot_path_rev_list:
with self.p2g.perf.timer[PRINT2]:
printhandler = self._print_handler()
server_can_unexpand = self.ctx.p4.server_level > 32
args = ["-a"]
if server_can_unexpand:
args.append("-k")
cmd = ['print'] + args + depot_path_rev_list
with p4gf_util.RawEncoding(self.ctx.p4) \
, p4gf_util.Handler(self.ctx.p4, printhandler) \
, self.ctx.p4.at_exception_level(P4.RAISE_ALL):
self.ctx.p4run(cmd)
printhandler.flush()
# Find each file revision's blob sha1.
for p4file in p4changelist.files:
symlink_path = _depot_rev_to_symlink(
depot_path = p4file.depot_path
, rev = p4file.revision
, symlink_dir = self.symlink_dir )
blob_path = os.readlink(symlink_path)
p4file.sha1 = _blob_path_to_sha1(blob_path)
# If we can copy the Git commit and its tree objects from
# our gitmirror, do so.
# Non-MemCapped code calls all FI functions with
# timer[FAST_IMPORT] as outer container, so must we.
with self.p2g.perf.timer[FAST_IMPORT]:
if self.p2g._fast_import_from_gitmirror(p4changelist, branch):
LOG.debug2('@{} fast-imported from gitmirror.'
.format(cnob.change_num))
return
# Build a git-fast-import commit object.
### _fast_import_from_p4() runs its own filelog to
### discover integ sources. That needs to be hoisted up
### to our own filelog and passed down to avoid
### duplicate work.
LOG.debug2('@{} fast-importing from p4 changelist.'
.format(cnob.change_num))
self.p2g._fast_import_from_p4_mc(
change = p4changelist
, branch = branch
, filelog_results = filelog_results
, mark_to_branch_id = self.mark_to_branch_id
, branch_id_to_temp_name = self.branch_id_to_temp_name )
