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
hg clone http://localhost:20059/ copy
echo $?
test -d copy || echo copy: No such file or directory
cat > dumb.py <<EOF
import BaseHTTPServer, SimpleHTTPServer, signal
def run(server_class=BaseHTTPServer.HTTPServer,
handler_class=SimpleHTTPServer.SimpleHTTPRequestHandler):
server_address = ('localhost', 20059)
httpd = server_class(server_address, handler_class)
httpd.serve_forever()
signal.signal(signal.SIGTERM, lambda x: sys.exit(0))
run()
EOF
python dumb.py 2>/dev/null &
echo $! >> $DAEMON_PIDS
# give the server some time to start running
sleep 1
http_proxy= hg clone http://localhost:20059/foo copy2 2>&1 | \
sed -e 's/404.*/404/' -e 's/Date:.*/Date:/'
echo $?
kill $!