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55 lines
1.2 KiB
55 lines
1.2 KiB
# idempotent apt install [package1 package2 ...]
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function idem_apt_install() {
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for i in $@; do
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if ! (/usr/bin/dpkg-query --status "$i" >/dev/null 2>&1); then
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sudo apt install -y "$i"
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else
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$VERBOSE && echo "${PREFIX:=}apt package <$i> already installed!"
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fi
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done
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}
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##
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# return 0 (true) if array (passed by name) contains element
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# usage:
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# ARRAY = ( a b c )
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# containsElement ARRAY 'a' => 0
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containsElement() {
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local -a 'arraykeys=("${!'"$1"'[@]}")'
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if $(isArray $1); then
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for index in ${arraykeys[*]}; do
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current=$1"[$index]"
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[[ "${!current}" == "$2" ]] && return 0 # found
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done
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return 1 # not found
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else
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echo >&2 "ERROR: $1 not an array!"
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return 2 # not an array
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fi
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}
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isArray() {
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[[ "$(declare -p $1 2>/dev/null)" =~ "declare -a" ]] && return 0 # is an array
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return 1 # not an array
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}
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##
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#
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askConfirmation() {
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case "$1" in
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y | Y | yes | YES)
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QUESTION="(Y/n)?"
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DEFAULT=0
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;;
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*)
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QUESTION="(y/N)?"
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DEFAULT=1
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;;
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esac
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read -p "$QUESTION : " choice
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case "$choice" in
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y | Y | yes | YES) return 0 ;; #true
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n | no | N | NO) return 1 ;; #false
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*) return $DEFAULT ;;
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esac
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}
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