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#@include core
#@include _punani_db
## usage: _punani_resolve_package PKGNAME
_punani_resolve_package(){
eval "set -u; echo \"\${_punanidb_${PACKER}_$1}\"" 2>/dev/null
}
KNOWN_PACKERS='pacman apt-get yum brew'
_punani_pacman_install(){ pacman --noconfirm -S --needed "$@" ;}
_punani_pacman_remove(){ pacman -Rcs "$@" ;}
_punani_pacman_has(){ pacman -Q "$1" >/dev/null;}
_punani_aptget_install(){ apt-get -y install "$@" ;}
_punani_aptget_remove(){ apt-get -y remove "$@" ;}
_punani_aptget_has() { dpkg -s "$1" | grep -q "Status: install";}
_punani_yum_install(){ yum -y install "$@" ;}
_punani_yum_remove(){ yum -y remove "$@" ;}
_punani_yum_has() { rpm -qa --qf "%{NAME}\n"| egrep "^${1}\$" >/dev/null ;}
_punani_brew_install(){ brew install "$@"; }
_punani_brew_remove(){ brew remove "$@";}
_punani_brew_has(){ error "not implemented"; return 1 ;}
## usage: _punani_has PACKAGE
_punani_has() {
eval "_punani_${PACKER}_has \"\$1\""
}
## usage: _punani_install PACKAGE
_punani_install() {
eval "_punani_${PACKER}_install \"\$1\""
}
## usage: _punani_remove PACKAGE
_punani_remove() {
eval "_punani_${PACKER}_remove \"\$1\""
}
_punani_usage='punani {install,remove,has} PACKAGE...'
punani(){
for p in ${KNOWN_PACKERS:-null}; do
exists $p && info "using $p" && PACKER=`echo $p | tr -d -` && break
done || die 'Error 2: no package manager found; no punani for you!'
ACTION="$1"; shift
if test $# = 0; then
error 'no PACKAGE specified.'
die "usage: $_punani_usage"
fi
for PKG; do
RES="`_punani_resolve_package $PKG`" ||
die "could not resolve '$PKG'; no punani for you!"
case "$ACTION" in
install)
if _punani_has $RES; then
info "$RES already installed, skipping"
else
_punani_install $RES || error "cannot install $RES with $PACKER"
fi
;;
remove)
if ! _punani_has $RES; then
info "$RES not installed, skipping"
else
_punani_remove $RES || error "cannot install $RES with $PACKER"
fi
;;
has)
if _punani_has $RES; then
info "$RES is installed"
else
info "$RES is not installed"
fi
;;
*)
error "bad action: $ACTION"
die "usage: $_punani_usage"
esac
done
}
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