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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 -
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