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changegroup: move file matcher from narrow extension...
changegroup: move file matcher from narrow extension Sparse changegroup generation requires the use of a matcher to filter which files are relevant. This commit moves the file matcher from the narrow extension to core and updates the narrow extension to use it. I'm not sure why the narrow extension was storing the matcher as a callable that resolved to a matcher. So I changed it to be a simple matcher instance. In addition, code from narrow to intersect the matcher with the local narrow spec is now performed automatically when the changegroup packer is created. If a matcher is not passed into getbundler() an alwaysmatcher() is assumed. This ensures that a matcher is always defined for all operations. Differential Revision: https://phab.mercurial-scm.org/D4011

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generate-working-copy-states.py
88 lines | 3.3 KiB | text/x-python | PythonLexer
/ tests / generate-working-copy-states.py
# Helper script used for generating history and working copy files and content.
# The file's name corresponds to its history. The number of changesets can
# be specified on the command line. With 2 changesets, files with names like
# content1_content2_content1-untracked are generated. The first two filename
# segments describe the contents in the two changesets. The third segment
# ("content1-untracked") describes the state in the working copy, i.e.
# the file has content "content1" and is untracked (since it was previously
# tracked, it has been forgotten).
#
# This script generates the filenames and their content, but it's up to the
# caller to tell hg about the state.
#
# There are two subcommands:
# filelist <numchangesets>
# state <numchangesets> (<changeset>|wc)
#
# Typical usage:
#
# $ python $TESTDIR/generate-working-copy-states.py state 2 1
# $ hg addremove --similarity 0
# $ hg commit -m 'first'
#
# $ python $TESTDIR/generate-working-copy-states.py state 2 1
# $ hg addremove --similarity 0
# $ hg commit -m 'second'
#
# $ python $TESTDIR/generate-working-copy-states.py state 2 wc
# $ hg addremove --similarity 0
# $ hg forget *_*_*-untracked
# $ rm *_*_missing-*
from __future__ import absolute_import, print_function
import os
import sys
# Generates pairs of (filename, contents), where 'contents' is a list
# describing the file's content at each revision (or in the working copy).
# At each revision, it is either None or the file's actual content. When not
# None, it may be either new content or the same content as an earlier
# revisions, so all of (modified,clean,added,removed) can be tested.
def generatestates(maxchangesets, parentcontents):
depth = len(parentcontents)
if depth == maxchangesets + 1:
for tracked in (b'untracked', b'tracked'):
filename = b"_".join([(content is None and b'missing' or content)
for content in parentcontents]) + b"-" + tracked
yield (filename, parentcontents)
else:
for content in ({None, b'content' + (b"%d" % (depth + 1))} |
set(parentcontents)):
for combination in generatestates(maxchangesets,
parentcontents + [content]):
yield combination
# retrieve the command line arguments
target = sys.argv[1]
maxchangesets = int(sys.argv[2])
if target == 'state':
depth = sys.argv[3]
# sort to make sure we have stable output
combinations = sorted(generatestates(maxchangesets, []))
# compute file content
content = []
for filename, states in combinations:
if target == 'filelist':
print(filename.decode('ascii'))
elif target == 'state':
if depth == 'wc':
# Make sure there is content so the file gets written and can be
# tracked. It will be deleted outside of this script.
content.append((filename, states[maxchangesets] or b'TOBEDELETED'))
else:
content.append((filename, states[int(depth) - 1]))
else:
print("unknown target:", target, file=sys.stderr)
sys.exit(1)
# write actual content
for filename, data in content:
if data is not None:
f = open(filename, 'wb')
f.write(data + b'\n')
f.close()
elif os.path.exists(filename):
os.remove(filename)