Environment setup for MQ

  $ echo "[extensions]" >> $HGRCPATH

  $ echo "mq=" >> $HGRCPATH

  $ hg init

  $ hg qinit

Should fail if no patches applied

(this tests also that editor is not invoked if '--edit' is not

specified)

  $ hg qrefresh

  no patches applied

  [1]

  $ hg qrefresh -e

  no patches applied

  [1]

  $ hg qnew -m "First commit message" first-patch

  $ echo aaaa > file

  $ hg add file

  $ HGEDITOR=cat hg qrefresh

Should display 'First commit message'

  $ hg log -l1 --template "{desc}\n"

  First commit message

Testing changing message with -m

  $ echo bbbb > file

Should display 'Second commit message'

  $ hg log -l1 --template "{desc}\n"

  Second commit message

Testing changing message with -l

  $ echo "Third commit message" > logfile

  $ echo " This is the 3rd log message" >> logfile

  $ echo bbbb > file

  $ hg qrefresh -l logfile

Should display 'Third commit message\\\n This is the 3rd log message'

  $ hg log -l1 --template "{desc}\n"

  Third commit message

   This is the 3rd log message

Testing changing message with -l-

  $ hg qnew -m "First commit message" second-patch

  $ echo aaaa > file2

  $ hg add file2

  $ echo bbbb > file2

  $ (echo "Fifth commit message"; echo " This is the 5th log message") | hg qrefresh -l-

Should display 'Fifth commit message\\\n This is the 5th log message'

  $ hg log -l1 --template "{desc}\n"

  Fifth commit message

   This is the 5th log message

Test saving last-message.txt:

  $ cat > $TESTTMP/editor.sh << EOF

  > echo "==== before editing"

  > cat \$1

  > echo "===="

  > (echo; echo "test saving last-message.txt") >> \$1

  > EOF

  $ cat > $TESTTMP/commitfailure.py <<EOF

  > from mercurial import util

  > def reposetup(ui, repo):

  >     class commitfailure(repo.__class__):

  >         def commit(self, *args, **kwargs):

  >             raise util.Abort('emulating unexpected abort')

  >     repo.__class__ = commitfailure

  > EOF

  $ cat >> .hg/hgrc <<EOF

  > [extensions]

  > # this failure occurs before editor invocation

  > commitfailure = $TESTTMP/commitfailure.py

  > EOF

  $ hg qapplied

  first-patch

  second-patch

  $ hg tip --template "{files}\n"

  file2

(test that editor is not invoked before transaction starting)

  $ rm -f .hg/last-message.txt

  $ HGEDITOR="sh $TESTTMP/editor.sh" hg qrefresh -e

  refresh interrupted while patch was popped! (revert --all, qpush to recover)

  abort: emulating unexpected abort

  [255]

  $ cat .hg/last-message.txt

  cat: .hg/last-message.txt: No such file or directory

  [1]

(reset applied patches and directory status)

  $ cat >> .hg/hgrc <<EOF

  > [extensions]

  > commitfailure = !

  > EOF

  $ hg qapplied

  first-patch

  $ hg status -A file2

  ? file2

  $ rm file2

  $ hg qpush -q second-patch

  now at: second-patch

(test that editor is invoked and commit message is saved into

"last-message.txt")

  $ cat >> .hg/hgrc <<EOF

  > [hooks]

  > # this failure occurs after editor invocation

  > pretxncommit.unexpectedabort = false

  > EOF

  $ rm -f .hg/last-message.txt

  $ hg status --rev "second-patch^1" -arm

  A file2

  $ HGEDITOR="sh $TESTTMP/editor.sh" hg qrefresh -e

  ==== before editing

  Fifth commit message

   This is the 5th log message

  HG: Enter commit message.  Lines beginning with 'HG:' are removed.

  HG: Leave message empty to use default message.

  HG: --

  HG: user: test

  HG: branch 'default'

  HG: added file2

  ====

  transaction abort!

  rollback completed

  note: commit message saved in .hg/last-message.txt

  refresh interrupted while patch was popped! (revert --all, qpush to recover)

  abort: pretxncommit.unexpectedabort hook exited with status 1

  [255]

  $ cat .hg/last-message.txt

  Fifth commit message

   This is the 5th log message

  test saving last-message.txt