tests/test-issue660

windows: avoid deleting non-empty reparse points

If a hg repository including working directory is a reparse point (directory
symlinked or a junction point), then using os.removedirs will remove the
reparse point erroneously. This is fixed by only removing directories if they
are empty.

#!/bin/sh
# http://www.selenic.com/mercurial/bts/issue660


hg init a
cd a
echo a > a
mkdir b
echo b > b/b
hg commit -A -m "a is file, b is dir"

echo % file replaced with directory

rm a
mkdir a
echo a > a/a

echo % should fail - would corrupt dirstate
hg add a/a

echo % removing shadow
hg rm --after a

echo % should succeed - shadow removed
hg add a/a

echo % directory replaced with file

rm -r b
echo b > b

echo % should fail - would corrupt dirstate
hg add b

echo % removing shadow
hg rm --after b/b

echo % should succeed - shadow removed
hg add b

echo % look what we got
hg st

echo % revert reintroducing shadow - should fail
rm -r a b
hg revert b/b

echo % revert all - should succeed
hg revert --all
hg st

echo % addremove

rm -r a b
mkdir a
echo a > a/a
echo b > b

hg addremove
hg st

echo % commit
hg ci -A -m "a is dir, b is file"
hg st --all

echo % long directory replaced with file

mkdir d
mkdir d/d
echo d > d/d/d
hg commit -A -m "d is long directory"
rm -r d
echo d > d

echo % should fail - would corrupt dirstate
hg add d

echo % removing shadow
hg rm --after d/d/d

echo % should succeed - shadow removed
hg add d
hg ci -md

echo % update should work at least with clean workdir

rm -r a b d
hg up -r 0
hg st --all
rm -r a b
hg up -r 1
hg st --all

exit 0