Mercurial > hg > mercurial-crew-with-dirclash
view tests/test-impexp-branch @ 5369:7530334bf301
revlog: generate trivial deltas against null revision
To avoid extra memory usage and performance issues with large files,
generate a trivial delta header for deltas against the null revision
rather than calling the usual delta generator.
We append the delta header to meta rather than prepending it to data
to avoid a large allocate and copy.
author | Matt Mackall <mpm@selenic.com> |
---|---|
date | Wed, 03 Oct 2007 17:17:27 -0500 |
parents | 32ea809e5bd1 |
children |
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#!/bin/sh cat >findbranch.py <<EOF import re, sys head_re = re.compile('^#(?:(?:\\s+([A-Za-z][A-Za-z0-9_]*)(?:\\s.*)?)|(?:\\s*))$') for line in sys.stdin: hmatch = head_re.match(line) if not hmatch: sys.exit(1) if hmatch.group(1) == 'Branch': sys.exit(0) sys.exit(1) EOF hg init a cd a echo "Rev 1" >rev hg add rev hg commit -m "No branch." hg branch abranch echo "Rev 2" >rev hg commit -m "With branch." if hg export 0 | python ../findbranch.py; then echo "Export of default branch revision has Branch header" 1>&2 exit 1 fi if hg export 1 | python ../findbranch.py; then : # Do nothing else echo "Export of branch revision is missing Branch header" 1>&2 exit 1 fi # Make sure import still works with branch information in patches. cd .. hg init b cd b hg -R ../a export 0 | hg import - hg -R ../a export 1 | hg import - cd .. rm -rf b hg init b cd b hg -R ../a export 0 | hg import --exact - hg -R ../a export 1 | hg import --exact -