bisect: use array.array rather than lists for ancestor lists
This nearly doubles performance and cuts memory usage in half on large
bisections.
#!/bin/sh
mkdir a
cd a
hg init
echo a > a
hg add a
hg commit -m test -d '0 0'
# Default operation
hg clone . ../b
cd ../b
cat a
hg verify
# No update
hg clone -U . ../c
cd ../c
cat a 2>/dev/null || echo "a not present"
hg verify
# Default destination
mkdir ../d
cd ../d
hg clone ../a
cd a
hg cat a
# check that we drop the file:// from the path before
# writing the .hgrc
cd ../..
hg clone file://a e
grep 'file:' e/.hg/hgrc
exit 0