Adjust to ls-tree --full-name when run from a subdirectory.

A proposed change to show cwd relative paths by default from
ls-tree when run from a subdirectory means we would need to
give --full-name option to it.

Signed-off-by: Junio C Hamano <junkio@cox.net>

diff --combined git-checkout.sh
index 1219ea0b0e837b0cdd68fa909cd5151273dd70cf,36308d22c6a72b9ad53ced60bd3c70a2e17520b6..3bbd1117739b02572aece86030bb9f02f3110d34
--- 1/git-checkout.sh
--- 2/git-checkout.sh
+++ b/git-checkout.sh
@@@ -1,7 -1,6 +1,7 @@@
  #!/bin/sh
  
  USAGE='[-f] [-b <new_branch>] [<branch>] [<paths>...]'
 +SUBDIRECTORY_OK=Sometimes
  . git-sh-setup
  
  old=$(git-rev-parse HEAD)
@@@ -80,7 -79,7 +80,7 @@@ the
                # from a specific tree-ish; note that this is for
                # rescuing paths and is never meant to remove what
                # is not in the named tree-ish.
--              git-ls-tree -r "$new" "$@" |
++              git-ls-tree --full-name -r "$new" "$@" |
                git-update-index --index-info || exit $?
        fi
        git-checkout-index -f -u -- "$@"
@@@ -96,14 -95,6 +96,14 @@@ els
        fi
  fi
  
 +# We are switching branches and checking out trees, so
 +# we *NEED* to be at the toplevel.
 +cdup=$(git-rev-parse --show-cdup)
 +if test ! -z "$cdup"
 +then
 +      cd "$cdup"
 +fi
 +
  [ -z "$new" ] && new=$old
  
  # If we don't have an old branch that we're switching to,