| John Garbutt | daadf74 | 2012-04-27 18:28:28 +0100 | [diff] [blame] | 1 | #!/bin/bash |
| 2 | |||||
| 3 | set -e | ||||
| 4 | set -o xtrace | ||||
| 5 | |||||
| Bob Ball | 5fb83a0 | 2014-07-29 13:40:57 +0100 | [diff] [blame] | 6 | if [ -z "${on_exit_hooks:-}" ]; then |
| 7 | on_exit_hooks=() | ||||
| 8 | fi | ||||
| John Garbutt | daadf74 | 2012-04-27 18:28:28 +0100 | [diff] [blame] | 9 | |
| 10 | on_exit() | ||||
| 11 | { | ||||
| Sean Dague | 16dd8b3 | 2014-02-03 09:10:54 +0900 | [diff] [blame] | 12 | for i in $(seq $((${#on_exit_hooks[*]} - 1)) -1 0); do |
| John Garbutt | daadf74 | 2012-04-27 18:28:28 +0100 | [diff] [blame] | 13 | eval "${on_exit_hooks[$i]}" |
| 14 | done | ||||
| 15 | } | ||||
| 16 | |||||
| 17 | add_on_exit() | ||||
| 18 | { | ||||
| 19 | local n=${#on_exit_hooks[*]} | ||||
| 20 | on_exit_hooks[$n]="$*" | ||||
| Sean Dague | 16dd8b3 | 2014-02-03 09:10:54 +0900 | [diff] [blame] | 21 | if [[ $n -eq 0 ]]; then |
| John Garbutt | daadf74 | 2012-04-27 18:28:28 +0100 | [diff] [blame] | 22 | trap on_exit EXIT |
| 23 | fi | ||||
| 24 | } | ||||