revert: use "discard"/"revert" verb when reverting interactively (issue5143)
Instead of "record this change to 'FILE'?" now prompt with:
* "discard this change to 'FILE'?" when reverting to the parent of working
directory, and,
* "revert this change to 'FILE'?" otherwise.
Test issue2761
$ hg init
$ touch to-be-deleted
$ hg add
adding to-be-deleted
$ hg ci -m first
$ echo a > to-be-deleted
$ hg ci -m second
$ rm to-be-deleted
$ hg diff -r 0
Same issue, different code path
$ hg up -C
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ touch does-not-exist-in-1
$ hg add
adding does-not-exist-in-1
$ hg ci -m third
$ rm does-not-exist-in-1
$ hg diff -r 1