pick: add --tool for hg pick to specify mergetool
This patch used configuration override to enable you to pass a mergetool via the
--tool flag in case there is any merge conflict.
Anton Shestakov <av6@dwimlabs.net> [Wed, 06 Feb 2019 13:49:29 +0800] rev 4390
revset: use getintrange() to parse relation subscript
After 13f7a6a4f0db parsing the tokens into usable values needs to happen inside
subscript relation functions.