phases: use revision number in analyze_remote_phases
Same logic as the previous change to `new_heads`, see rationnal there.
This avoids a small number of `nodes -> revs` conversion speeding thing up in
the 100 milliseconds order of magnitude for the worses cases. However, the rest
of the logic is noisy enough that it hardly matters for now.
#require execbit
$ hg init repo
$ cd repo
$ echo a > a
$ hg ci -Am'not executable'
adding a
$ chmod +x a
$ hg ci -m'executable'
$ hg id
79abf14474dc tip
Make sure we notice the change of mode if the cached size == -1:
$ hg rm a
$ hg revert -r 0 a
$ hg debugstate
n 0 -1 unset a
$ hg status
M a
$ hg up 0
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ hg id
d69afc33ff8a
$ test -x a && echo executable -- bad || echo not executable -- good
not executable -- good