| #! /bin/sh |
| |
| # Copyright (C) 2004 Free Software Foundation, Inc. |
| # |
| # This script is free software; the Free Software Foundation gives |
| # unlimited permission to copy, distribute and modify it. |
| |
| # Invoke a shell script with the same name two directories up from this |
| # file. Robust against all kinds of pathological file and directory |
| # names, as well as all kinds of pathological shells. |
| # By Nathanael Nerode, Zack Weinberg, and Alexandre Oliva. |
| |
| # Insert "../../" just before the last slash in the pathname. |
| # We use a here-document to avoid problems with "echo" and |
| # pathnames containing backslashes or a leading dash. |
| |
| script=`sed 's,[^/]*$,../../&,' << EOF |
| $0 |
| EOF |
| ` |
| |
| # Must honor CONFIG_SHELL if set. |
| # Simple "$@" does the wrong thing for zero arguments with |
| # OSF/1 4.0 /bin/sh, possibly others. |
| # ${1+"$@"} does the wrong thing with zsh (== /bin/sh in |
| # some iterations of Darwin). |
| |
| case $# in |
| 0) exec ${CONFIG_SHELL-/bin/sh} "$script" ;; |
| *) exec ${CONFIG_SHELL-/bin/sh} "$script" "$@" ;; |
| esac |
| |
