phases: invalidate the phases set less often on retract boundary
We already have the information to update the phase set, so we do so directly
instead of invalidating the cache.
This show a sizeable speedup in our `perf::unbundle` benchmark on the
many-draft mozilla-try repository.
### data-env-vars.name = mozilla-try-2023-03-22-zstd-sparse-revlog
# benchmark.name = hg.perf.perf-unbundle
# bin-env-vars.hg.flavor = no-rust
# bin-env-vars.hg.py-re2-module = default
# benchmark.variants.
issue6528 = disabled
# benchmark.variants.revs = last-10
before: 2.055259 seconds
after: 1.887064 seconds (-8.18%)
# benchmark.variants.revs = last-100
before: 2.409239 seconds
after: 2.222429 seconds (-7.75%)
# benchmark.variants.revs = last-1000
before: 3.945648 seconds
after: 3.762480 seconds (-4.64%)
#require no-windows
$ . "$TESTDIR/remotefilelog-library.sh"
$ hg init master
$ cd master
$ cat >> .hg/hgrc <<EOF
> [remotefilelog]
> server=True
> EOF
$ echo x > x
$ hg commit -qAm x
$ echo y >> x
$ hg commit -qAm y
$ echo z >> x
$ hg commit -qAm z
$ hg update 1
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ echo w >> x
$ hg commit -qAm w
$ cd ..
Shallow clone and activate getflogheads testing extension
$ hgcloneshallow ssh://user@dummy/master shallow --noupdate
streaming all changes
3 files to transfer, 908 bytes of data (no-rust !)
transferred 908 bytes in * seconds (*/sec) (glob) (no-rust !)
5 files to transfer, 1.01 KB of data (rust !)
transferred 1.01 KB in * seconds (* */sec) (glob) (rust !)
searching for changes
no changes found
$ cd shallow
$ cat >> .hg/hgrc <<EOF
> [extensions]
> getflogheads=$TESTDIR/remotefilelog-getflogheads.py
> EOF
Get heads of a remotefilelog
$ hg getflogheads x
2797809ca5e9c2f307d82b1345e832f655fb99a2
ca758b402ddc91e37e3113e1a97791b537e1b7bb
Get heads of a non-existing remotefilelog
$ hg getflogheads y
EMPTY