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#!/bin/bash
show_help() {
echo "usage: os.query is-core, is-classic"
echo " os.query is-core16, is-core18, is-core20, is-core22, is-core24"
echo " os.query is-core-gt, is-core-ge, is-core-lt, is-core-le"
echo " os.query is-trusty, is-xenial, is-bionic, is-focal, is-jammy, is-noble"
echo " os.query is-ubuntu [ID], is-debian [ID], is-fedora [ID], is-amazon-linux [ID], is-arch-linux, is-centos [ID], is-opensuse [ID]"
echo " os.query is-ubuntu-gt [ID], is-ubuntu-ge [ID], is-ubuntu-lt [ID], is-ubuntu-le [ID]"
echo " os.query is-pc-amd64, is-pc-i386, is-arm, is-armhf, is-arm64, is-s390x"
echo ""
echo "Get general information about the current system"
}
is_core() {
grep -qFx 'ID=ubuntu-core' /etc/os-release
}
is_core16() {
grep -qFx 'ID=ubuntu-core' /etc/os-release && grep -qFx 'VERSION_ID="16"' /etc/os-release
}
is_core18() {
grep -qFx 'ID=ubuntu-core' /etc/os-release && grep -qFx 'VERSION_ID="18"' /etc/os-release
}
is_core20() {
grep -qFx 'ID=ubuntu-core' /etc/os-release && grep -qFx 'VERSION_ID="20"' /etc/os-release
}
is_core22() {
grep -qFx 'ID=ubuntu-core' /etc/os-release && grep -qFx 'VERSION_ID="22"' /etc/os-release
}
is_core24() {
grep -qFx 'ID=ubuntu-core' /etc/os-release && grep -qFx 'VERSION_ID="24"' /etc/os-release
}
is_core26() {
grep -qFx 'ID=ubuntu-core' /etc/os-release && grep -qFx 'VERSION_ID="26"' /etc/os-release
}
is_core_gt() {
local VERSION=$1
if [ -z "$VERSION" ]; then
echo "os.query: version id is expected"
exit 1
fi
is_core && compare_ubuntu "$VERSION" "-gt"
}
is_core_ge() {
local VERSION=$1
if [ -z "$VERSION" ]; then
echo "os.query: version id is expected"
exit 1
fi
is_core && compare_ubuntu "$VERSION" "-ge"
}
is_core_lt() {
local VERSION=$1
if [ -z "$VERSION" ]; then
echo "os.query: version id is expected"
exit 1
fi
is_core && compare_ubuntu "$VERSION" "-lt"
}
is_core_le() {
local VERSION=$1
if [ -z "$VERSION" ]; then
echo "os.query: version id is expected"
exit 1
fi
is_core && compare_ubuntu "$VERSION" "-le"
}
is_classic() {
! is_core
}
is_trusty() {
grep -qFx 'ID=ubuntu' /etc/os-release && grep -qFx 'VERSION_ID="14.04"' /etc/os-release
}
is_xenial() {
grep -qFx 'UBUNTU_CODENAME=xenial' /etc/os-release
}
is_bionic() {
grep -qFx 'UBUNTU_CODENAME=bionic' /etc/os-release
}
is_focal() {
grep -qFx 'UBUNTU_CODENAME=focal' /etc/os-release
}
is_jammy() {
grep -qFx 'UBUNTU_CODENAME=jammy' /etc/os-release
}
is_noble() {
grep -qFx 'UBUNTU_CODENAME=noble' /etc/os-release
}
is_ubuntu() {
VERSION=$1
if [ -z "$VERSION" ]; then
grep -qFx 'ID=ubuntu' /etc/os-release || grep -qFx 'ID=ubuntu-core' /etc/os-release
else
grep -qFx 'ID=ubuntu' /etc/os-release && grep -qFx "VERSION_ID=\"$VERSION\"" /etc/os-release
fi
}
is_ubuntu_gt() {
is_classic && compare_ubuntu "${1:-}" "-gt"
}
is_ubuntu_ge() {
is_classic && compare_ubuntu "${1:-}" "-ge"
}
is_ubuntu_lt() {
is_classic && compare_ubuntu "${1:-}" "-lt"
}
is_ubuntu_le() {
is_classic && compare_ubuntu "${1:-}" "-le"
}
compare_ubuntu() {
VERSION=$1
OPERAND=$2
if [ -z "$VERSION" ]; then
echo "os.query: version id is expected"
exit 1
fi
if ! grep -q 'ID=ubuntu' /etc/os-release; then
echo "os.query: comparing non ubuntu system"
return 1
fi
NUM_RE='^[0-9]+$'
NUM_VERSION="$(echo "$VERSION" | tr -d '".')"
if ! [[ $NUM_VERSION =~ $NUM_RE ]] ; then
echo "os.query: invalid version format \"$VERSION\" provided"
exit 1
fi
SYS_VERSION="$(grep 'VERSION_ID' /etc/os-release)"
SYS_VERSION="$(echo "${SYS_VERSION#*=}" | tr -d '".')"
if ! [[ $SYS_VERSION =~ $NUM_RE ]] ; then
echo "os.query: invalid version format \"$SYS_VERSION\" retrieved from system"
exit 1
fi
test "$SYS_VERSION" "$OPERAND" "$NUM_VERSION"
}
is_debian() {
VERSION=$1
if [ -z "$VERSION" ]; then
grep -qFx 'ID=debian' /etc/os-release
elif [ "$VERSION" == "sid" ]; then
if [ -n "$SPREAD_SYSTEM" ]; then
[[ "$SPREAD_SYSTEM" == debian-sid-* ]]
else
grep -qFx 'ID=debian' /etc/os-release && grep -qE '^PRETTY_NAME=.*/sid"$' /etc/os-release
fi
else
grep -qFx 'ID=debian' /etc/os-release && grep -qFx "VERSION_ID=\"$VERSION\"" /etc/os-release
fi
}
is_fedora() {
VERSION=$1
if [ -z "$VERSION" ]; then
grep -qFx 'ID=fedora' /etc/os-release
elif [ "$VERSION" == "rawhide" ]; then
if [ -n "$SPREAD_SYSTEM" ]; then
[[ "$SPREAD_SYSTEM" == fedora-rawhide-* ]]
else
grep -qFx 'ID=fedora' /etc/os-release && grep -qFx "REDHAT_BUGZILLA_PRODUCT_VERSION=rawhide" /etc/os-release
fi
else
grep -qFx 'ID=fedora' /etc/os-release && grep -qFx "VERSION_ID=$VERSION" /etc/os-release
fi
}
is_amazon_linux() {
VERSION=$1
if [ -z "$VERSION" ]; then
grep -qFx 'ID="amzn"' /etc/os-release
else
grep -qFx 'ID="amzn"' /etc/os-release && grep -qFx "VERSION_ID=\"$VERSION\"" /etc/os-release
fi
}
is_centos() {
VERSION=$1
if [ -z "$VERSION" ]; then
grep -qFx 'ID="centos"' /etc/os-release
else
grep -qFx 'ID="centos"' /etc/os-release && grep -qFx "VERSION_ID=\"$VERSION\"" /etc/os-release
fi
}
is_arch_linux() {
grep -qFx 'ID=arch' /etc/os-release
}
is_opensuse() {
VERSION=$1
if [ -z "$VERSION" ]; then
grep -qFx 'ID="opensuse-leap"' /etc/os-release || grep -qFx 'ID="opensuse-tumbleweed"' /etc/os-release
elif [ "$VERSION" == "tumbleweed" ]; then
grep -qFx 'ID="opensuse-tumbleweed"' /etc/os-release
else
grep -qFx 'ID="opensuse-leap"' /etc/os-release && grep -qFx "VERSION_ID=\"$VERSION\"" /etc/os-release
fi
}
is_pc_amd64() {
uname -m | grep -qFx 'x86_64'
}
is_pc_i386() {
uname -m | grep -Eq '(i686|i386)'
}
is_arm() {
uname -m | grep -Eq '(^arm.*|^aarch*)'
}
is_armhf() {
uname -m | grep -qx 'armv7.*'
}
is_arm64() {
uname -m | grep -Eq '(aarch64.*|armv8.*)'
}
is_s390x() {
uname -m | grep -qFx 's390x'
}
main() {
if [ $# -eq 0 ]; then
show_help
exit 0
fi
local subcommand="$1"
local action=
while [ $# -gt 0 ]; do
case "$1" in
-h|--help)
show_help
exit 0
;;
*)
action=$(echo "$subcommand" | tr '-' '_')
shift
break
;;
esac
done
if [ -z "$(declare -f "$action")" ]; then
echo "os.query: no such command: $subcommand" >&2
show_help
exit 1
fi
"$action" "$@"
}
main "$@"
|
