tests/test-mq-qimport-fail-cleanup.t

util: fix finding of hgexecutable

The version introduced in 89d9f92f6fdd would for example return thg
(thanks to Mads Kiilerich for pointing to this)

Failed qimport of patches from files should cleanup by recording successfully
imported patches in series file.

  $ echo "[extensions]" >> $HGRCPATH
  $ echo "mq=" >> $HGRCPATH
  $ hg init repo
  $ cd repo
  $ echo a > a
  $ hg ci -Am'add a'
  adding a
  $ cat >b.patch<<EOF
  > diff --git a/a b/a
  > --- a/a
  > +++ b/a
  > @@ -1,1 +1,2 @@
  >  a
  > +b
  > EOF
  $ echo
  

empty series

  $ hg qseries
  $ echo
  

qimport valid patch followed by invalid patch

  $ hg qimport b.patch fakepatch
  adding b.patch to series file
  abort: unable to read file fakepatch
  [255]
  $ echo
  

valid patches before fail added to series

  $ hg qseries
  b.patch