96 lines
2.1 KiB
Bash
Executable File
96 lines
2.1 KiB
Bash
Executable File
#!/bin/bash
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#
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# list_id_in_kext
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#
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###
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### settings
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###
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set -e # exit on any uncaught error
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set +o histexpand # don't expand history expressions
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shopt -s nocasematch # case-insensitive regular expressions
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###
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### global variables
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###
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kextdir=''
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# prefer GNU xargs
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xargs="$(/usr/bin/which gxargs || printf '/usr/bin/xargs')"
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###
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### functions
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###
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bundle_id_source_1 () {
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/usr/bin/find "$kextdir" -name Info.plist -print0 | \
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"$xargs" -0 /usr/bin/plutil -convert xml1 -o - -- 2> /dev/null | \
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/usr/bin/perl -0777 -ne \
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'while (m{<key>\s*CFBundleIdentifier\s*</key>\s*<string>([^<]+?)</string>}sg) { print "$1\n" }'
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}
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merge_sources () {
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/usr/bin/sort | /usr/bin/uniq
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}
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clean_sources () {
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/usr/bin/egrep -v '^com\.apple\.'
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}
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mark_up_sources () {
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/usr/bin/perl -pe 's{\n}{\000}sg' | \
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"$xargs" -0 -I{} -n1 /bin/bash -c \
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'printf "{}"; /bin/test "$(/usr/sbin/kextstat -kl -b "{}" | /usr/bin/wc -l)" -gt 0 && printf " (+)"; printf "\n"'
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}
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###
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### main
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###
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_list_id_in_kext () {
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kextdir="$1"
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if [[ -h "$kextdir" ]]; then
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kextdir="$(/usr/bin/readlink "$kextdir")"
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fi
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{
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# emit strings that look like bundle ids
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bundle_id_source_1;
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} | \
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clean_sources | \
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merge_sources | \
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mark_up_sources
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}
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# process args
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if [[ $1 =~ ^-+h(elp)?$ || -z "$1" ]]; then
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printf "list_id_in_kext <file.kext>
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Given a Kernel Extension (kext) bundle dir on disk, extract the
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associated kext Bundle ID, which may be useful in a Cask uninstall
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stanza, eg
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uninstall :kext => 'kext.id.goes.here'
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The kext need not be loaded for this script to work.
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If a given kext is currently loaded, it will be followed by a plus
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symbol '(+)' in the output. This can be verified via the command
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/usr/sbin/kextstat -kl -b 'kext.id.goes.here'
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See CONTRIBUTING.md and 'man kextstat' for more information.
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"
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exit
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fi
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# dispatch main
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_list_id_in_kext "${@}"
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#
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