test: use the internal `_normallookup` in `test-rebuildstate.t`
This is a low level test doing low level manipulation.
Differential Revision: https://phab.mercurial-scm.org/D11180
CC := gcc
CFLAGS := -g -O2 -Wall -Werror
prefix ?= /usr/bin
hgsh: hgsh.o
$(CC) -o $@ $<
install: hgsh
install -m755 hgsh $(prefix)
clean:
rm -f *.o hgsh