view tests/test-tag @ 2016:ff5c9a92f556

fix backtrace printed when cannot get lock.

change lock error handling code so exceptions have useful info and
exception handling in one place.

add test case for when cannot get lock.

#!/bin/sh

hg init
echo a > a
hg add a
hg commit -m "test" -d "1000000 0"
hg history
hg tag -d "1000000 0" "bleah"
hg history

echo foo >> .hgtags
hg tag -d "1000000 0" "bleah2" || echo "failed"
hg tag -d "1000000 0" -r 0 "bleah2" 1 || echo "failed"

hg revert .hgtags
hg tag -d "1000000 0" -r 0 "bleah0"
hg tag -l -d "1000000 0" "bleah1" 1

cat .hgtags
cat .hg/localtags

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