#!/bin/sh

cat >> readlink.py <<EOF

import os

import sys

for f in sys.argv[1:]:

    print f, '->', os.readlink(f)

EOF

hg init a

cd a

ln -s nothing dangling

hg add dangling

hg commit -m 'add symlink' -d '0 0'

hg tip -v

hg manifest --debug

echo '% rev 0:'

python ../readlink.py dangling

rm dangling

ln -s void dangling

hg commit -m 'change symlink'

echo '% rev 1:'

python ../readlink.py dangling

echo '% modifying link'

rm dangling

ln -s empty dangling

python ../readlink.py dangling

echo '% reverting to rev 0:'

hg revert -r 0 -a

python ../readlink.py dangling

echo '% backups:'

python ../readlink.py *.orig

rm *.orig

hg up -C

echo '% copies'

hg cp -v dangling dangling2

hg st -Cmard

python ../readlink.py dangling dangling2