chdir=0
kerberos=0
x11=0
-while getopts ":kx" opt; do
+dir=
+while getopts ":cd:kx" opt; do
case $opt in
c) chdir=1;;
+ d) dir=$OPTARG;;
k) kerberos=1;;
x) x11=1;;
esac
done
shift $((OPTIND-1))
+if [ -z "$dir" ]; then
+ dir=${0%/*}
+ [ "$dir" = "$0" -o "$dir" = "." ] && dir=$PWD
+fi
+
user="$1"; shift
if [ -z "$user" ]; then
- echo >&2 "Usage: become [-c] [-k] [-x] <user>"
- echo >&2 "Options: -c Stay in current directory even if target user is not root."
- echo >&2 " -k Delegate Kerberos credentials even if target user is not root."
- echo >&2 " -x Delegate X11 cookie even if target user is not root."
+ echo >&2 "Usage: become [-c] [-d <dir>] [-k] [-x] <user>"
+ echo >&2 "Options: -c Stay in current directory even if target user is not root."
+ echo >&2 " -d <dir> Look for \"became\" script in given directory."
+ echo >&2 " -k Delegate Kerberos credentials even if target user is not root."
+ echo >&2 " -x Delegate X11 cookie even if target user is not root."
exit 1
fi
[ $chdir = 1 ] && echo >&3 2>/dev/null "cd - &>/dev/null"
exec 3>&-
-dir=$(dirname "$0")
-[ "$dir" = "." ] && dir="$PWD"
exec sudo -H -u "$user" "$dir/became"
exit 111