| Yuanzhi Gao | dd516fe | 2015-04-23 04:18:24 -0700 | [diff] [blame] | 1 | has() { |
| Alexander Afanasyev | e0ab3f9 | 2016-10-20 13:29:39 -0700 | [diff] [blame] | 2 | local saved_xtrace |
| 3 | [[ $- == *x* ]] && saved_xtrace=-x || saved_xtrace=+x |
| 4 | set +x |
| 5 | |
| Yuanzhi Gao | dd516fe | 2015-04-23 04:18:24 -0700 | [diff] [blame] | 6 | local p=$1 |
| 7 | shift |
| Alexander Afanasyev | e0ab3f9 | 2016-10-20 13:29:39 -0700 | [diff] [blame] | 8 | local i ret=1 |
| 9 | for i in "$@"; do |
| 10 | if [[ "${i}" == "${p}" ]]; then |
| 11 | ret=0 |
| 12 | break |
| 13 | fi |
| Yuanzhi Gao | dd516fe | 2015-04-23 04:18:24 -0700 | [diff] [blame] | 14 | done |
| Alexander Afanasyev | e0ab3f9 | 2016-10-20 13:29:39 -0700 | [diff] [blame] | 15 | |
| 16 | set ${saved_xtrace} |
| 17 | return ${ret} |
| Yuanzhi Gao | dd516fe | 2015-04-23 04:18:24 -0700 | [diff] [blame] | 18 | } |