diff tests/test-hooklib-reject_merge_commits.t @ 44413:4cabeea6d214

hgext: start building a library for simple hooks

Many workflows depend on hooks to enforce certain policies, e.g. to
prevent forced pushes. The Mercurial Guide includes some cases and
Google can help finding others, but it can save users a lot of time
if hg itself has a couple of examples for further customization.

Differential Revision: https://phab.mercurial-scm.org/D6825

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/test-hooklib-reject_merge_commits.t	Sat Sep 07 14:50:39 2019 +0200
@@ -0,0 +1,78 @@
+  $ 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)