Fix undo after aborted commit bug
Commit would overwrite undo.dirstate unconditionally, so an undo after
an aborted commit would restore the dirstate from the aborted commit
and not the prior transaction.
This copies dirstate to journal.dirstate and moves it after a
successful transaction.
#!/bin/sh -x
hg clone http://localhost:20059/ copy
echo $?
ls copy
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
set +x # backgrounding sometimes disturbs the order of command tracing
python dumb.py 2>/dev/null &
set -x
hg clone http://localhost:20059/foo copy2
echo $?
set +x
kill $!