| 1 | ### -*-sh-*- |
| 2 | |
| 3 | prog=${0##*/} |
| 4 | |
| 5 | usage () { echo "usage: $prog$usage"; } |
| 6 | fail () { echo >&2 "$prog: $*"; exit 1; } |
| 7 | fail_usage () { usage >&2; exit 1; } |
| 8 | |
| 9 | run_as_user () { |
| 10 | case $(id -un) in |
| 11 | $user) ;; |
| 12 | *) exec sudo -u$user "$0" "$@" ;; |
| 13 | esac |
| 14 | HOME=$home; export HOME |
| 15 | PATH=$home/bin:/usr/local/bin:/bin:/usr/bin; export PATH |
| 16 | } |
| 17 | |
| 18 | sanitize () { echo "$1" | tr -c 'A-Za-z0-9-\n' _; } |
| 19 | |
| 20 | prepare_tmp () { |
| 21 | tag=$1 |
| 22 | |
| 23 | tmp=$home/tmp/$(sanitize "$tag").$$ |
| 24 | rm -rf $tmp |
| 25 | mkdir $tmp |
| 26 | trap 'cd $home; rm -rf $tmp' EXIT INT TERM |
| 27 | } |