record: removed 'has_key' usage
Py3k has removed the dictionary has_key method. This patch implements
a one argument function that can be used as a callback by hg.revert in
the record extension.
#!/bin/sh
hg init repo
cd repo
echo a > a
hg ci -qAm 'add a'
echo b > b
hg ci -qAm 'add b'
hg up -qC 0
hg rm a
hg ci -m 'rm a'
hg up -qC 1
rm a
echo '% local deleted a file, remote removed'
hg merge # should fail, since there are deleted files
hg -v merge --force
echo % should show a as removed
hg st
hg ci -m merge
echo % manifest. should not have a:
hg manifest