$ PYTHONPATH=$TESTDIR/..:$PYTHONPATH
  $ echo "[extensions]" >> $HGRCPATH
  $ echo "phabdiff=" >> $HGRCPATH

Setup repo

  $ hg init repo
  $ cd repo

Test phabdiff template mapping

  $ echo a > a
  $ hg commit -Aqm "Differential Revision: https://phabricator.fb.com/D1234
  > Task ID: 2312"
  $ hg log --template "{phabdiff}\n"
  D1234

  $ echo c > c
  $ hg commit -Aqm "Differential Revision: http://phabricator.intern.facebook.com/D1245
  > Task ID: 2312"
  $ hg log -r . --template "{phabdiff}\n"
  D1245

  $ echo b > b
  $ hg commit -Aqm "Differential Revision: https://phabricator.fb.com/D5678
  > Tasks:32, 44    55"
  $ hg log -r . --template "{phabdiff}: {tasks}\n"
  D5678: 32 44 55

  $ echo d > d
  $ hg commit -Aqm "Differential Revision: http://phabricator.intern.facebook.com/D1245
  > Task: t123456,456"
  $ hg log -r . --template "{phabdiff}: {tasks}\n"
  D1245: 123456 456

Only match the Differential Revision label at the start of a line

  $ echo e > e
  $ hg commit -Aqm "Test Commit
  > Test Plan: tested on Differential Revision: http://phabricator.intern.facebook.com/D1000
  > Differential Revision: http://phabricator.intern.facebook.com/D6789
  > "
  $ hg log -r . --template "{phabdiff}\n"
  D6789

Make sure the template keywords are documented correctly

  $ hg help templates | egrep 'phabdiff|tasks'
      phabdiff      String. Return the phabricator diff id for a given hg rev.
      tasks         String. Return the tasks associated with given hg rev.

Check singlepublicbase

  $ hg log -r . --template "{singlepublicbase}\n"
  

  $ hg phase -p -r ::2

  $ hg log -r . --template "{singlepublicbase}\n"
  2480b7b497e0af879a40a0d4d960ceb748d27085