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# vim:ft=sh:noexpandtab
# Identify and set some variables that can be used later by operations
# Variables:
# DC_OS - Operation system kernel name (uname -s)
# DC_OS_VERSION - Version of kernel used (uname -r)
# DC_ARCH - Machine architecture (uname -m)
# DC_DISTRIBUTION - Distribution of operation system
# DC_INIT - Init system used (service manager)
# On Archlinux:
# DC_PACAUR - This is set to "true" if pacaur is installed on archlinux
DC_OS="$(uname -s)"
DC_OS_VERSION="$(uname -r)"
DC_ARCH="$(uname -m)"
if [ "$DC_OS" = "Linux" ]; then
if [ -f /etc/arch-release ]; then
DC_DISTRIBUTION="arch"
elif [ -f /etc/turris-version ]; then
DC_DISTRIBUTION="turris"
elif [ -f /etc/os-release ]; then
# Use as DISTRIBUTION ID field
DC_DISTRIBUTION="$(sed -nE 's/^ID=(.*)/\1/p' /etc/os-release)"
else
DC_DISTRIBUTION="unknown"
fi
# Identify init (only systemd and openrc are supported on linux)
if pidof systemd >/dev/null; then
# Systemd is running on accessed machine
DC_INIT="systemd"
elif pidof procd >/dev/null; then
DC_INIT="procd"
elif rc-status -v 2>/dev/null >/dev/null; then
DC_INIT="openrc"
else
DC_INIT="unknown"
fi
echo_dbg "Detected Linux. Distribution $DC_DISTRIBUTION. With $DC_INIT init system."
elif [ "$DC_OS" = "FreeBSD" ]; then
DC_DISTRIBUTION="FreeBSD" # This makes no sense on FreeBSD so set same as OS
DC_INIT="FreeBSD"
echo_dbg "Detected FreeBSD."
else
echo_die "Unknown or unsupported kernel detected on accessed machine."
fi
# Archlinux
DC_PACAUR=false
if [ "$DC_DISTRIBUTION" = "arch" ]; then
if which pacaur >/dev/null; then
DC_PACAUR=true
echo_dbg "Accessed machine has pacaur"
fi
fi
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