outgoing: add a simple fastpath when there is no common
This further speed up case like `hg bundle --all` for larger repository.
### data-env-vars.name = mozilla-try-2023-03-22-zstd-sparse-revlog
# benchmark.name = hg.command.bundle
# bin-env-vars.hg.flavor = default
# bin-env-vars.hg.py-re2-module = default
# benchmark.variants.revs = all
# benchmark.variants.type = none-streamv2
before: 316.749699
after: 311.165461 (-1.76%, -5.58)
There is further work to be done in this area like not doing any outgoing
computation in the stream case for example. however the recent changes already
gives use a large win for a small amount of local work.
### benchmark.name = hg.command.bundle
# bin-env-vars.hg.flavor = default
# bin-env-vars.hg.py-re2-module = default
# benchmark.variants.revs = all
# benchmark.variants.type = none-streamv2
## data-env-vars.name = mercurial-public-2024-03-22-zstd-sparse-revlog
pre-%ln-change: 1.263859
the-%ln-change: 0.700229 (-44.60%, -0.56)
prev-changeset: 0.496050 (-60.75%, -0.77)
this-changeset: 0.495243 (-60.81%, -0.77)
## data-env-vars.name = tryton-public-2024-03-22-zstd-sparse-revlog
pre-%ln-change: 2.975765
the-%ln-change: 1.870798 (-37.13%, -1.10)
prev-changeset: 1.461583 (-50.88%, -1.51)
this-changeset: 1.469185 (-50.63%, -1.51)
## data-env-vars.name = pypy-2024-03-22-zstd-sparse-revlog
pre-%ln-change: 4.540080
the-%ln-change: 3.401700 (-25.07%, -1.14)
prev-changeset: 2.915810 (-35.78%, -1.62)
this-changeset: 2.911643 (-35.87%, -1.63)
## data-env-vars.name = heptapod-public-2024-03-25-zstd-sparse-revlog
pre-%ln-change: 10.138396
the-%ln-change: 7.750458 (-23.55%, -2.39)
prev-changeset: 6.665565 (-34.25%, -3.47)
this-changeset: 6.672078 (-34.19%, -3.47)
## data-env-vars.name = mozilla-try-2023-03-22-zstd-sparse-revlog
pre-%ln-change: 399.484481
the-%ln-change: 346.508952 (-13.26%, -52.98)
prev-changeset: 316.749699 (-20.71%, -82.73)
this-changeset: 311.165461 (-22.11%, -88.32)
#testcases lfs-on lfs-off
#if lfs-on
$ cat >> $HGRCPATH <<EOF
> [extensions]
> lfs =
> EOF
#endif
$ . "$TESTDIR/narrow-library.sh"
create full repo
$ hg init master
$ cd master
$ cat >> .hg/hgrc <<EOF
> [narrow]
> serveellipses=True
> EOF
$ mkdir inside
$ echo 1 > inside/f
$ mkdir inside2
$ echo 1 > inside2/f
$ mkdir outside
$ echo 1 > outside/f
$ hg ci -Aqm 'initial'
$ echo 2 > inside/f
$ hg ci -qm 'inside 2'
$ echo 2 > inside2/f
$ hg ci -qm 'inside2 2'
$ echo 2 > outside/f
$ hg ci -qm 'outside 2'
$ cd ..
$ hg clone --narrow ssh://user@dummy/master narrow --include inside
requesting all changes
adding changesets
adding manifests
adding file changes
added 3 changesets with 2 changes to 1 files
new changesets *:* (glob)
updating to branch default
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ hg clone --narrow ssh://user@dummy/master narrow2 --include inside --include inside2
requesting all changes
adding changesets
adding manifests
adding file changes
added 4 changesets with 4 changes to 2 files
new changesets *:* (glob)
updating to branch default
2 files updated, 0 files merged, 0 files removed, 0 files unresolved
Can push to wider repo if change does not affect paths in wider repo that are
not also in narrower repo
$ cd narrow
$ echo 3 > inside/f
$ hg ci -m 'inside 3'
$ hg push ssh://user@dummy/narrow2
pushing to ssh://user@dummy/narrow2
searching for changes
remote: adding changesets
remote: adding manifests
remote: adding file changes
remote: added 1 changesets with 1 changes to 1 files
Can push to narrower repo if change affects only paths within remote's
narrow spec
$ cd ../narrow2
$ cat >> .hg/hgrc <<EOF
> [narrow]
> serveellipses=True
> EOF
$ hg co -r 'desc("inside 3")'
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ echo 4 > inside/f
$ hg ci -m 'inside 4'
$ hg push ssh://user@dummy/narrow
pushing to ssh://user@dummy/narrow
searching for changes
remote: adding changesets
remote: adding manifests
remote: adding file changes
remote: added 1 changesets with 1 changes to 1 files
Can push to narrow repo if change affects only paths outside remote's
narrow spec
$ echo 3 > inside2/f
$ hg ci -m 'inside2 3'
TODO: this should be successful
$ hg push ssh://user@dummy/narrow
pushing to ssh://user@dummy/narrow
searching for changes
remote: adding changesets
remote: adding manifests
remote: adding file changes
remote: transaction abort!
remote: rollback completed
remote: abort: data/inside2/f@4a1aa07735e673e20c00fae80f40dc301ee30616: unknown parent (reporevlogstore !)
remote: abort: data/inside2/f/index@4a1aa07735e6: no node (reposimplestore !)
abort: stream ended unexpectedly (got 0 bytes, expected 4)
[255]
Can pull from wider repo if change affects only paths outside remote's
narrow spec
$ echo 4 > inside2/f
$ hg ci -m 'inside2 4'
$ hg log -G -T '{rev} {node|short} {files}\n'
@ 7 d78a96df731d inside2/f
|
o 6 8c26f5218962 inside2/f
|
o 5 ba3480e2f9de inside/f
|
o 4 4e5edd526618 inside/f
|
o 3 81e7e07b7ab0 outside/f
|
o 2 f3993b8c0c2b inside2/f
|
o 1 8cd66ca966b4 inside/f
|
o 0 c8057d6f53ab inside/f inside2/f outside/f
$ cd ../narrow
$ hg log -G -T '{rev} {node|short} {files}\n'
o 4 ba3480e2f9de inside/f
|
@ 3 4e5edd526618 inside/f
|
o 2 81e7e07b7ab0 outside/f
|
o 1 8cd66ca966b4 inside/f
|
o 0 c8057d6f53ab inside/f inside2/f outside/f
$ hg pull ssh://user@dummy/narrow2
pulling from ssh://user@dummy/narrow2
searching for changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 0 changes to 0 files
new changesets d78a96df731d
(run 'hg update' to get a working copy)
Check that the resulting history is valid in the full repo
$ cd ../narrow2
$ hg push ssh://user@dummy/master
pushing to ssh://user@dummy/master
searching for changes
remote: adding changesets
remote: adding manifests
remote: adding file changes
remote: added 4 changesets with 4 changes to 2 files
$ cd ../master
$ hg verify -q
Can not push to wider repo if change affects paths in wider repo that are
not also in narrower repo
$ cd ../master
$ hg co -r 'desc("inside2 4")'
2 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ echo 5 > inside2/f
$ hg ci -m 'inside2 5'
$ hg log -G -T '{rev} {node|short} {files}\n'
@ 8 5970befb64ba inside2/f
|
o 7 d78a96df731d inside2/f
|
o 6 8c26f5218962 inside2/f
|
o 5 ba3480e2f9de inside/f
|
o 4 4e5edd526618 inside/f
|
o 3 81e7e07b7ab0 outside/f
|
o 2 f3993b8c0c2b inside2/f
|
o 1 8cd66ca966b4 inside/f
|
o 0 c8057d6f53ab inside/f inside2/f outside/f
$ cd ../narrow
$ hg pull
pulling from ssh://user@dummy/master
searching for changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 0 changes to 0 files
new changesets * (glob)
(run 'hg update' to get a working copy)
TODO: this should tell the user that their narrow clone does not have the
necessary content to be able to push to the target
TODO: lfs shouldn't abort like this
$ hg push ssh://user@dummy/narrow2 || true
pushing to ssh://user@dummy/narrow2
searching for changes
remote: adding changesets
remote: adding manifests
remote: adding file changes
remote: added 1 changesets with 0 changes to 0 files (no-lfs-on !)
remote: error: pretxnchangegroup.lfs hook raised an exception: inside2/f@f59b4e0218355383d2789196f1092abcf2262b0c: no match found (lfs-on !)
remote: transaction abort! (lfs-on !)
remote: rollback completed (lfs-on !)
remote: abort: inside2/f@f59b4e0218355383d2789196f1092abcf2262b0c: no match found (lfs-on !)
abort: stream ended unexpectedly (got 0 bytes, expected 4) (lfs-on !)