tests/test-tag

contrib: add Chris Mason's stand-alone diff tool

This uses Mercurial's diff algorithm to generate unidiffs like the traditional diff tool.

#!/bin/sh

hg init
echo a > a
hg add a
hg commit -m "test" -d "0 0"
hg history
hg tag -d "0 0" "bleah"
hg history

echo foo >> .hgtags
hg tag -d "0 0" "bleah2" || echo "failed"

hg revert .hgtags
hg tag -d "0 0" -r 0 "bleah0"
hg tag -l -d "0 0" "bleah1" 1

cat .hgtags
cat .hg/localtags

hg tag -l 'xx
newline'
hg tag -l 'xx:xx'
true