tests/test-pager.t
author Pierre-Yves David <pierre-yves.david@ens-lyon.org>
Fri, 26 Aug 2016 21:00:33 +0200
changeset 29880 a485ec066867
parent 29344 bb3d5c20eaf6
child 30847 e12553cfd0a4
permissions -rw-r--r--
histedt: use inheritance to override the constraints in 'base' All actions but one actually have the same constraints when it comes to validate the 'action.node' value. So we actually just add this code to a method that can be overwritten in the one action where it matters. The now unused 'contraints' related enum and class attribute will be cleaned up in the next changeset.
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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  $ cat >> fakepager.py <<EOF
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  > import sys
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  > for line in sys.stdin:
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  >     sys.stdout.write('paged! %r\n' % line)
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  > EOF
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Enable ui.formatted because pager won't fire without it, and set up
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pager and tell it to use our fake pager that lets us see when the
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pager was running.
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  $ cat >> $HGRCPATH <<EOF
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  > [ui]
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  > formatted = yes
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  > [extensions]
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  > pager=
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  > [pager]
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  > pager = python $TESTTMP/fakepager.py
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  > EOF
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  $ hg init repo
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  $ cd repo
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  $ echo a >> a
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  $ hg add a
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  $ hg ci -m 'add a'
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  $ for x in `python $TESTDIR/seq.py 1 10`; do
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  >   echo a $x >> a
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  >   hg ci -m "modify a $x"
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  > done
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By default diff and log are paged, but summary is not:
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  $ hg diff -c 2 --pager=yes
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  paged! 'diff -r f4be7687d414 -r bce265549556 a\n'
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  paged! '--- a/a\tThu Jan 01 00:00:00 1970 +0000\n'
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  paged! '+++ b/a\tThu Jan 01 00:00:00 1970 +0000\n'
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  paged! '@@ -1,2 +1,3 @@\n'
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  paged! ' a\n'
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  paged! ' a 1\n'
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  paged! '+a 2\n'
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  $ hg log --limit 2
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  paged! 'changeset:   10:46106edeeb38\n'
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  paged! 'tag:         tip\n'
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  paged! 'user:        test\n'
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  paged! 'date:        Thu Jan 01 00:00:00 1970 +0000\n'
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  paged! 'summary:     modify a 10\n'
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  paged! '\n'
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  paged! 'changeset:   9:6dd8ea7dd621\n'
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  paged! 'user:        test\n'
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  paged! 'date:        Thu Jan 01 00:00:00 1970 +0000\n'
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  paged! 'summary:     modify a 9\n'
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  paged! '\n'
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  $ hg summary
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  parent: 10:46106edeeb38 tip
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   modify a 10
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  branch: default
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  commit: (clean)
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  update: (current)
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  phases: 11 draft
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We can enable the pager on summary:
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  $ hg --config pager.attend-summary=yes summary
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  paged! 'parent: 10:46106edeeb38 tip\n'
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  paged! ' modify a 10\n'
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  paged! 'branch: default\n'
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  paged! 'commit: (clean)\n'
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  paged! 'update: (current)\n'
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  paged! 'phases: 11 draft\n'
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If we completely change the attend list that's respected:
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  $ hg --config pager.attend-diff=no diff -c 2
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  diff -r f4be7687d414 -r bce265549556 a
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  --- a/a	Thu Jan 01 00:00:00 1970 +0000
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  +++ b/a	Thu Jan 01 00:00:00 1970 +0000
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  @@ -1,2 +1,3 @@
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   a
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   a 1
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  +a 2
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  $ hg --config pager.attend=summary diff -c 2
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  diff -r f4be7687d414 -r bce265549556 a
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  --- a/a	Thu Jan 01 00:00:00 1970 +0000
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  +++ b/a	Thu Jan 01 00:00:00 1970 +0000
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  @@ -1,2 +1,3 @@
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   a
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   a 1
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  +a 2
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If 'log' is in attend, then 'history' should also be paged:
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  $ hg history --limit 2 --config pager.attend=log
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  paged! 'changeset:   10:46106edeeb38\n'
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  paged! 'tag:         tip\n'
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  paged! 'user:        test\n'
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  paged! 'date:        Thu Jan 01 00:00:00 1970 +0000\n'
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  paged! 'summary:     modify a 10\n'
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  paged! '\n'
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  paged! 'changeset:   9:6dd8ea7dd621\n'
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  paged! 'user:        test\n'
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  paged! 'date:        Thu Jan 01 00:00:00 1970 +0000\n'
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  paged! 'summary:     modify a 9\n'
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  paged! '\n'
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Possible bug: history is explicitly ignored in pager config, but
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because log is in the attend list it still gets pager treatment.
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  $ hg history --limit 2 --config pager.attend=log \
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  >   --config pager.ignore=history
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  paged! 'changeset:   10:46106edeeb38\n'
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  paged! 'tag:         tip\n'
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  paged! 'user:        test\n'
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  paged! 'date:        Thu Jan 01 00:00:00 1970 +0000\n'
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  paged! 'summary:     modify a 10\n'
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  paged! '\n'
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  paged! 'changeset:   9:6dd8ea7dd621\n'
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  paged! 'user:        test\n'
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  paged! 'date:        Thu Jan 01 00:00:00 1970 +0000\n'
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  paged! 'summary:     modify a 9\n'
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  paged! '\n'
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Possible bug: history is explicitly marked as attend-history=no, but
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it doesn't fail to get paged because log is still in the attend list.
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  $ hg history --limit 2 --config pager.attend-history=no
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  paged! 'changeset:   10:46106edeeb38\n'
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  paged! 'tag:         tip\n'
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  paged! 'user:        test\n'
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  paged! 'date:        Thu Jan 01 00:00:00 1970 +0000\n'
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  paged! 'summary:     modify a 10\n'
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  paged! '\n'
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  paged! 'changeset:   9:6dd8ea7dd621\n'
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  paged! 'user:        test\n'
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  paged! 'date:        Thu Jan 01 00:00:00 1970 +0000\n'
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  paged! 'summary:     modify a 9\n'
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  paged! '\n'
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Possible bug: disabling pager for log but enabling it for history
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doesn't result in history being paged.
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  $ hg history --limit 2 --config pager.attend-log=no \
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  > --config pager.attend-history=yes
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  changeset:   10:46106edeeb38
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  tag:         tip
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  user:        test
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  date:        Thu Jan 01 00:00:00 1970 +0000
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  summary:     modify a 10
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  changeset:   9:6dd8ea7dd621
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  user:        test
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  date:        Thu Jan 01 00:00:00 1970 +0000
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  summary:     modify a 9
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Pager with color enabled allows colors to come through by default,
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even though stdout is no longer a tty.
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  $ cat >> $HGRCPATH <<EOF
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  > [extensions]
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  > color=
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  > [color]
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  > mode = ansi
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  > EOF
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  $ hg log --limit 3
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  paged! '\x1b[0;33mchangeset:   10:46106edeeb38\x1b[0m\n'
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  paged! 'tag:         tip\n'
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  paged! 'user:        test\n'
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  paged! 'date:        Thu Jan 01 00:00:00 1970 +0000\n'
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  paged! 'summary:     modify a 10\n'
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  paged! '\n'
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  paged! '\x1b[0;33mchangeset:   9:6dd8ea7dd621\x1b[0m\n'
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  paged! 'user:        test\n'
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  paged! 'date:        Thu Jan 01 00:00:00 1970 +0000\n'
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  paged! 'summary:     modify a 9\n'
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  paged! '\n'
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  paged! '\x1b[0;33mchangeset:   8:cff05a6312fe\x1b[0m\n'
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  paged! 'user:        test\n'
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  paged! 'date:        Thu Jan 01 00:00:00 1970 +0000\n'
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  paged! 'summary:     modify a 8\n'
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  paged! '\n'
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Pager works with shell aliases.
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  $ cat >> $HGRCPATH <<EOF
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  > [alias]
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  > echoa = !echo a
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  > EOF
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  $ hg echoa
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  a
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  $ hg --config pager.attend-echoa=yes echoa
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  paged! 'a\n'
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Pager works with hg aliases including environment variables.
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  $ cat >> $HGRCPATH <<'EOF'
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  > [alias]
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  > printa = log -T "$A\n" -r 0
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  > EOF
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  $ A=1 hg --config pager.attend-printa=yes printa
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  paged! '1\n'
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  $ A=2 hg --config pager.attend-printa=yes printa
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  paged! '2\n'
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Pager should not override the exit code of other commands
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  $ cat >> $TESTTMP/fortytwo.py <<'EOF'
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  > from mercurial import cmdutil, commands
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  > cmdtable = {}
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  > command = cmdutil.command(cmdtable)
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  > @command('fortytwo', [], 'fortytwo', norepo=True)
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  > def fortytwo(ui, *opts):
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  >     ui.write('42\n')
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  >     return 42
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  > EOF
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  $ cat >> $HGRCPATH <<'EOF'
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  > [extensions]
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  > fortytwo = $TESTTMP/fortytwo.py
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  > EOF
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  $ hg fortytwo --pager=on
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  paged! '42\n'
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  [42]