dirstate: drop unused condition in `from_p2`
This conditional was added (by me) tentatively because "it seemed more
correct", but it is not used anywhere yet, and it is missing from the C and the
Rust implementation. So it seems more consistent to drop it for now.
This effectively backout f94cc63df859c
Differential Revision: https://phab.mercurial-scm.org/D11510
#require curses
Revert interactive tests with the Curses interface
$ cat <<EOF >> $HGRCPATH
> [ui]
> interactive = true
> interface = curses
> [experimental]
> crecordtest = testModeCommands
> EOF
TODO: Make a curses version of the other tests from test-revert-interactive.t.
When a line without EOL is selected during "revert -i"
$ hg init $TESTTMP/revert-i-curses-eol
$ cd $TESTTMP/revert-i-curses-eol
$ echo 0 > a
$ hg ci -qAm 0
$ printf 1 >> a
$ hg ci -qAm 1
$ cat a
0
1 (no-eol)
$ cat <<EOF >testModeCommands
> c
> EOF
$ hg revert -ir'.^'
reverting a
$ cat a
0
When a selected line is reverted to have no EOL
$ hg init $TESTTMP/revert-i-curses-eol2
$ cd $TESTTMP/revert-i-curses-eol2
$ printf 0 > a
$ hg ci -qAm 0
$ echo 0 > a
$ hg ci -qAm 1
$ cat a
0
$ cat <<EOF >testModeCommands
> c
> EOF
$ hg revert -ir'.^'
reverting a
$ cat a
0 (no-eol)