util._matcher: speed up regexp matching.
In 4babaa52badf, Benoit made a change that substantially slows matching
when a big .hgignore file is in play, because it calls into the regexp
matching engine potentially hundreds of times per file to be matched.
I've partly rolled back his change, so that we only call into the matcher
once per file, but preserved the ability to report a meaningful error
message if there's a syntax error in the regexp.
#!/bin/sh
cat <<EOF >> $HGRCPATH
[extensions]
transplant=
EOF
hg init t
cd t
echo r1 > r1
hg ci -Amr1 -d'0 0'
echo r2 > r2
hg ci -Amr2 -d'1 0'
hg up 0
echo b1 > b1
hg ci -Amb1 -d '0 0'
echo b2 > b2
hg ci -Amb2 -d '1 0'
echo b3 > b3
hg ci -Amb3 -d '2 0'
hg log --template '{rev} {parents} {desc}\n'
hg clone . ../rebase
cd ../rebase
hg up -C 1
echo '% rebase b onto r1'
hg transplant -a -b tip
hg log --template '{rev} {parents} {desc}\n'
hg clone ../t ../prune
cd ../prune
hg up -C 1
echo '% rebase b onto r1, skipping b2'
hg transplant -a -b tip -p 3
hg log --template '{rev} {parents} {desc}\n'
echo '% remote transplant'
hg clone -r 1 ../t ../remote
cd ../remote
hg transplant --log -s ../t 2 4
hg log --template '{rev} {parents} {desc}\n'
echo '% skip previous transplants'
hg transplant -s ../t -a -b 4
hg log --template '{rev} {parents} {desc}\n'
echo '% skip local changes transplanted to the source'
echo b4 > b4
hg ci -Amb4 -d '3 0'
hg clone ../t ../pullback
cd ../pullback
hg transplant -s ../remote -a -b tip
echo '% remote transplant with pull'
hg -R ../t serve -p 20062 -d --pid-file=../t.pid
cat ../t.pid >> $DAEMON_PIDS
hg clone -r 0 ../t ../rp
cd ../rp
hg transplant -s http://localhost:20062/ 2 4
hg log --template '{rev} {parents} {desc}\n'
echo '% transplant --continue'
hg init ../tc
cd ../tc
cat <<EOF > foo
foo
bar
baz
EOF
echo toremove > toremove
hg ci -Amfoo -d '0 0'
cat <<EOF > foo
foo2
bar2
baz2
EOF
rm toremove
echo added > added
hg ci -Amfoo2 -d '0 0'
echo bar > bar
hg ci -Ambar -d '0 0'
echo bar2 >> bar
hg ci -mbar2 -d '0 0'
hg up 0
echo foobar > foo
hg ci -mfoobar -d '0 0'
hg transplant 1:3
# transplant -c shouldn't use an old changeset
hg up -C
hg transplant 1
hg transplant --continue
hg transplant 1:3
hg locate