tests: mq-safety: use regular expression instead of sed

tests/test-mq-safety.t

@@ -1,106 +1,106 b''
   $ echo '[extensions]' >> $HGRCPATH
   $ echo 'mq =' >> $HGRCPATH
 
   $ hg init repo
   $ cd repo
 
   $ echo foo > foo
   $ hg ci -qAm 'add a file'
 
   $ hg qinit
 
   $ hg qnew foo
   $ echo foo >> foo
   $ hg qrefresh -m 'append foo'
 
   $ hg qnew bar
   $ echo bar >> foo
   $ hg qrefresh -m 'append bar'
 
 
 try to commit on top of a patch
 
   $ echo quux >> foo
   $ hg ci -m 'append quux'
   abort: cannot commit over an applied mq patch
 
 
 cheat a bit...
 
   $ mv .hg/patches .hg/patches2
   $ hg ci -m 'append quux'
   $ mv .hg/patches2 .hg/patches
 
 
 qpop/qrefresh on the wrong revision
 
   $ hg qpop
   abort: popping would remove a revision not managed by this patch queue
-  $ hg qpop -n patches 2>&1 | sed -e 's/\(using patch queue:\).*/\1/'
-  using patch queue:
+  $ hg qpop -n patches
+  using patch queue: .*/repo/.hg/patches
   abort: popping would remove a revision not managed by this patch queue
   $ hg qrefresh
   abort: working directory revision is not qtip
 
   $ hg up -C qtip
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ hg qpop
   abort: popping would remove a revision not managed by this patch queue
   $ hg qrefresh
   abort: cannot refresh a revision with children
   $ hg tip --template '{rev} {desc}\n'
   3 append quux
 
 
 qpush warning branchheads
 
   $ cd ..
   $ hg init branchy
   $ cd branchy
   $ echo q > q
   $ hg add q
   $ hg qnew -f qp
   $ hg qpop
   popping qp
   patch queue now empty
   $ echo a > a
   $ hg ci -Ama
   adding a
   $ hg up null
   0 files updated, 0 files merged, 1 files removed, 0 files unresolved
   $ hg branch b
   marked working directory as branch b
   $ echo c > c
   $ hg ci -Amc
   adding c
   $ hg merge default
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
   (branch merge, don't forget to commit)
   $ hg ci -mmerge
   $ hg up default
   0 files updated, 0 files merged, 1 files removed, 0 files unresolved
   $ hg log
   changeset:   2:65309210bf4e
   branch:      b
   tag:         tip
   parent:      1:707adb4c8ae1
   parent:      0:cb9a9f314b8b
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     merge
   
   changeset:   1:707adb4c8ae1
   branch:      b
   parent:      -1:000000000000
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     c
   
   changeset:   0:cb9a9f314b8b
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     a
   
   $ hg qpush
   applying qp
   now at: qp