view tests/test-hooklib-reject_merge_commits.t @ 46874:84a93fa7ecfd

revlog-compression: use zstd by default (if available)

As see in changeset bb271ec2fbfb, zstd is 20% to 50% faster for reading and
writing.

Use take advantage of the new config behavior to try zstd by default, falling
back to zlib is zstd is not available on that plateform.

Differential Revision: https://phab.mercurial-scm.org/D10326

  $ cat <<EOF >> $HGRCPATH
  > [extensions]
  > hooklib =
  > 
  > [phases]
  > publish = False
  > EOF
  $ hg init a
  $ hg --cwd a debugbuilddag '.:parent.:childa*parent/childa<parent@otherbranch./childa'
  $ hg --cwd a log -G
  o    changeset:   4:a9fb040caedd
  |\   branch:      otherbranch
  | |  tag:         tip
  | |  parent:      3:af739dfc49b4
  | |  parent:      1:66f7d451a68b
  | |  user:        debugbuilddag
  | |  date:        Thu Jan 01 00:00:04 1970 +0000
  | |  summary:     r4
  | |
  | o  changeset:   3:af739dfc49b4
  | |  branch:      otherbranch
  | |  parent:      0:1ea73414a91b
  | |  user:        debugbuilddag
  | |  date:        Thu Jan 01 00:00:03 1970 +0000
  | |  summary:     r3
  | |
  +---o  changeset:   2:a6b287721c3b
  | |/   parent:      0:1ea73414a91b
  | |    parent:      1:66f7d451a68b
  | |    user:        debugbuilddag
  | |    date:        Thu Jan 01 00:00:02 1970 +0000
  | |    summary:     r2
  | |
  o |  changeset:   1:66f7d451a68b
  |/   tag:         childa
  |    user:        debugbuilddag
  |    date:        Thu Jan 01 00:00:01 1970 +0000
  |    summary:     r1
  |
  o  changeset:   0:1ea73414a91b
     tag:         parent
     user:        debugbuilddag
     date:        Thu Jan 01 00:00:00 1970 +0000
     summary:     r0
  
  $ hg init b
  $ cat <<EOF >> b/.hg/hgrc
  > [hooks]
  > pretxnchangegroup.reject_merge_commits = \
  >   python:hgext.hooklib.reject_merge_commits.hook
  > EOF
  $ hg --cwd b pull ../a -r a6b287721c3b
  pulling from ../a
  adding changesets
  adding manifests
  adding file changes
  error: pretxnchangegroup.reject_merge_commits hook failed: a6b287721c3b rejected as merge on the same branch. Please consider rebase.
  transaction abort!
  rollback completed
  abort: a6b287721c3b rejected as merge on the same branch. Please consider rebase.
  [255]
  $ hg --cwd b pull ../a -r 1ea73414a91b
  pulling from ../a
  adding changesets
  adding manifests
  adding file changes
  added 1 changesets with 0 changes to 0 files
  new changesets 1ea73414a91b (1 drafts)
  (run 'hg update' to get a working copy)
  $ hg --cwd b pull ../a -r a9fb040caedd
  pulling from ../a
  searching for changes
  adding changesets
  adding manifests
  adding file changes
  added 3 changesets with 0 changes to 0 files
  new changesets 66f7d451a68b:a9fb040caedd (3 drafts)
  (run 'hg update' to get a working copy)