tests/test-bad-pull.t

merge: check for path conflicts when updating (issue5628)

When updating to a new revision, check for path conflicts caused by unknown
files in the working directory, and handle these by backing up the file or
directory and replacing it.

Differential Revision: https://phab.mercurial-scm.org/D781

#require serve killdaemons

  $ hg clone http://localhost:$HGPORT/ copy
  abort: * (glob)
  [255]

  $ test -d copy
  [1]

  $ $PYTHON "$TESTDIR/dumbhttp.py" -p $HGPORT --pid dumb.pid
  $ cat dumb.pid >> $DAEMON_PIDS
  $ hg clone http://localhost:$HGPORT/foo copy2
  abort: HTTP Error 404: * (glob)
  [255]
  $ killdaemons.py