# Only labels/tags matching this will be imported/exported
defaultLabelRegexp = r'[a-zA-Z0-9_\-.]+$'
-# Grab changes in blocks of this many revisions, unless otherwise requested
-defaultBlockSize = 512
+# The block size is reduced automatically if required
+defaultBlockSize = 1<<20
p4_access_checked = False
changes = set()
# Retrieve changes a block at a time, to prevent running
- # into a MaxResults/MaxScanRows error from the server.
+ # into a MaxResults/MaxScanRows error from the server. If
+ # we _do_ hit one of those errors, turn down the block size
while True:
cmd = ['changes']
for p in depotPaths:
cmd += ["%s...@%s" % (p, revisionRange)]
+ # fetch the changes
+ try:
+ result = p4CmdList(cmd, errors_as_exceptions=True)
+ except P4RequestSizeException as e:
+ if not block_size:
+ block_size = e.limit
+ elif block_size > e.limit:
+ block_size = e.limit
+ else:
+ block_size = max(2, block_size // 2)
+
+ if verbose: print("block size error, retrying with block size {0}".format(block_size))
+ continue
+ except P4Exception as e:
+ die('Error retrieving changes description ({0})'.format(e.p4ExitCode))
+
# Insert changes in chronological order
- for entry in reversed(p4CmdList(cmd)):
- if entry.has_key('p4ExitCode'):
- die('Error retrieving changes descriptions ({})'.format(entry['p4ExitCode']))
+ for entry in reversed(result):
if not entry.has_key('change'):
continue
changes.add(int(entry['change']))
'
test_expect_success 'Clone repo with multiple depot paths' '
+ test_when_finished cleanup_git &&
(
cd "$git" &&
git p4 clone --changes-block-size=4 //depot/pathA@all //depot/pathB@all \
)
'
+test_expect_success 'Clone repo with self-sizing block size' '
+ test_when_finished cleanup_git &&
+ git p4 clone --changes-block-size=1000000 //depot@all --destination="$git" &&
+ git -C "$git" log --oneline >log &&
+ test_line_count \> 10 log
+'
+
test_expect_success 'kill p4d' '
kill_p4d
'