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diff tests/test-hooklib-reject_new_heads.t @ 44440:4cabeea6d214

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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
author Joerg Sonnenberger <joerg@bec.de>
date Sat, 07 Sep 2019 14:50:39 +0200
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/test-hooklib-reject_new_heads.t	Sat Sep 07 14:50:39 2019 +0200
@@ -0,0 +1,53 @@
+  $ cat <<EOF >> $HGRCPATH
+  > [extensions]
+  > hooklib =
+  > 
+  > [phases]
+  > publish = False
+  > EOF
+  $ hg init a
+  $ hg --cwd a debugbuilddag '.:parent.*parent'
+  $ hg --cwd a log -G
+  o  changeset:   2:fa942426a6fd
+  |  tag:         tip
+  |  parent:      0:1ea73414a91b
+  |  user:        debugbuilddag
+  |  date:        Thu Jan 01 00:00:02 1970 +0000
+  |  summary:     r2
+  |
+  | o  changeset:   1:66f7d451a68b
+  |/   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]
+  > pretxnclose.reject_new_heads = \
+  >   python:hgext.hooklib.reject_new_heads.hook
+  > EOF
+  $ hg --cwd b pull ../a
+  pulling from ../a
+  requesting all changes
+  adding changesets
+  adding manifests
+  adding file changes
+  error: pretxnclose.reject_new_heads hook failed: Changes on branch 'default' resulted in multiple heads
+  transaction abort!
+  rollback completed
+  abort: Changes on branch 'default' resulted in multiple heads
+  [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)