| Yingdi Yu | da495a9 | 2015-05-05 13:57:59 -0700 | [diff] [blame] | 1 | has() { |
| Alexander Afanasyev | 867228e | 2016-10-17 16:54:55 -0700 | [diff] [blame] | 2 | local saved_xtrace |
| 3 | [[ $- == *x* ]] && saved_xtrace=-x || saved_xtrace=+x | ||||
| 4 | set +x | ||||
| 5 | |||||
| Yingdi Yu | da495a9 | 2015-05-05 13:57:59 -0700 | [diff] [blame] | 6 | local p=$1 |
| 7 | shift | ||||
| Alexander Afanasyev | 867228e | 2016-10-17 16:54:55 -0700 | [diff] [blame] | 8 | local i ret=1 |
| 9 | for i in "$@"; do | ||||
| 10 | if [[ "${i}" == "${p}" ]]; then | ||||
| 11 | ret=0 | ||||
| 12 | break | ||||
| 13 | fi | ||||
| Yingdi Yu | da495a9 | 2015-05-05 13:57:59 -0700 | [diff] [blame] | 14 | done |
| Alexander Afanasyev | 867228e | 2016-10-17 16:54:55 -0700 | [diff] [blame] | 15 | |
| 16 | set ${saved_xtrace} | ||||
| 17 | return ${ret} | ||||
| Yingdi Yu | da495a9 | 2015-05-05 13:57:59 -0700 | [diff] [blame] | 18 | } |