Move all distro checking logic to plexupdate-core

extras/installer.sh

@@ -34,6 +34,7 @@ install() {
 	sleep 1
 
 	[ -z "$DISTRO_INSTALL" ] && check_distro
+	DISTRO_INSTALL="${DISTRO_INSTALL} install"
 
 	if [ $EUID -ne 0 ]; then
 		sudo $DISTRO_INSTALL $1 || abort "Failed while trying to install '$1'. Please install it manually and try again."
@@ -42,24 +43,6 @@ install() {
 	fi
 }
 
-check_distro() {
-	if [ -f /etc/redhat-release ] && hash dnf 2>/dev/null; then
-		DISTRO="redhat"
-		DISTRO_INSTALL="dnf -y install"
-	elif [ -f /etc/redhat-release ] && hash yum 2>/dev/null; then
-		DISTRO="redhat" #or CentOS but functionally the same
-		DISTRO_INSTALL="yum -y install"
-	elif hash apt 2>/dev/null; then
-		DISTRO="debian" #or Ubuntu
-		DISTRO_INSTALL="apt install"
-	elif hash apt-get 2>/dev/null; then
-		DISTRO="debian"
-		DISTRO_INSTALL="apt-get install"
-	else
-		DISTRO="unknown"
-	fi
-}
-
 yesno() {
 	case "$1" in
 		"")

plexupdate-core

@@ -12,10 +12,6 @@
 URL_LOGIN='https://plex.tv/users/sign_in.json'
 URL_DOWNLOAD='https://plex.tv/api/downloads/1.json?channel=plexpass'
 URL_DOWNLOAD_PUBLIC='https://plex.tv/api/downloads/1.json'
-
-# Default options for package managers, override if needed
-REDHAT_INSTALL="dnf -y install"
-DEBIAN_INSTALL="dpkg -i"
 DISTRO_INSTALL=""
 
 #URL for new version check
@@ -176,6 +172,28 @@ getLocalSHA() {
 	sha1sum "$1" | cut -f1 -d" "
 }
 
+check_distro() {
+	if hash dnf 2>/dev/null; then
+		DISTRO=redhat
+		DISTRO_INSTALL="dnf -y"
+	elif hash yum 2>/dev/null; then
+		DISTRO=redhat
+		DISTRO_INSTALL="yum -y"
+	elif hash zypper 2>/dev/null; then
+		DISTRO=redhat
+		DISTRO_INSTALL="zypper -y"
+	elif hash apt 2>/dev/null; then
+		DISTRO=ubuntu
+		DISTRO_INSTALL="apt"
+	elif hash apt-get 2>/dev/null; then
+		DISTRO=ubuntu
+		DISTRO_INSTALL="apt-get -y"
+	else
+		error "Unable to determine distribution, aborting."
+		exit 1
+	fi
+}
+
 # RNNG
 running() {
 	# If a server is unclaimed, it probably doesn't have TLS enabled either
@@ -226,7 +244,7 @@ isNewerVersion() {
 }
 
 parseVersion() {
-	if [ "${REDHAT}" = "yes" ]; then
+	if [ "${DISTRO}" = "redhat" ]; then
 		cut -f2- -d- <<< "$1" | cut -f1-4 -d.
 	else
 		cut -f2 -d_ <<< "$1"
@@ -234,7 +252,7 @@ parseVersion() {
 }
 
 getPlexVersion() {
-	if [ "${REDHAT}" != "yes" ]; then
+	if [ "${DISTRO}" != "redhat" ]; then
 		dpkg-query --showformat='${Version}' --show plexmediaserver 2>/dev/null
 	elif hash rpm 2>/dev/null; then
 		local rpmtemp

plexupdate.sh

@@ -297,21 +297,12 @@ fi
 
 if [ -z "${DISTRO_INSTALL}" ]; then
 	if [ -z "${DISTRO}" -a -z "${BUILD}" ]; then
-		# Detect if we're running on redhat instead of ubuntu
-		if [ -f /etc/redhat-release ]; then
-			REDHAT=yes
-			BUILD="linux-ubuntu-${ARCH}"
-			DISTRO="redhat"
-			if ! hash dnf 2>/dev/null; then
-				DISTRO_INSTALL="${REDHAT_INSTALL/dnf/yum}"
-			else
-				DISTRO_INSTALL="${REDHAT_INSTALL}"
-			fi
+		check_distro
+		BUILD="linux-ubuntu-${ARCH}"
+		if [ "${FORCE}" = "yes" ]; then
+			DISTRO_INSTALL="${DISTRO INSTALL} reinstall"
 		else
-			REDHAT=no
-			BUILD="linux-ubuntu-${ARCH}"
-			DISTRO="ubuntu"
-			DISTRO_INSTALL="${DEBIAN_INSTALL}"
+			DISTRO_INSTALL="${DISTRO_INSTALL} install"
 		fi
 	elif [ -z "${DISTRO}" -o -z "${BUILD}" ]; then
 		error "You must define both DISTRO and BUILD"
@@ -428,7 +419,7 @@ INSTALLED_VERSION="$(getPlexVersion)" || warn "Unable to detect installed versio
 FILE_VERSION="$(parseVersion "${FILENAME}")"
 verboseOutput INSTALLED_VERSION FILE_VERSION
 
-if [ "${REDHAT}" = "yes" -a "${AUTOINSTALL}" = "yes" -a "${AUTOSTART}" = "no" ]; then
+if [ "${DISTRO}" = "redhat" -a "${AUTOINSTALL}" = "yes" -a "${AUTOSTART}" = "no" ]; then
 	warn "Your distribution may require the use of the AUTOSTART [-s] option for the service to start after the upgrade completes."
 fi
 
@@ -510,7 +501,7 @@ if [ "${AUTODELETE}" = "yes" ]; then
 fi
 
 if [ "${AUTOSTART}" = "yes" ]; then
-	if [ "${REDHAT}" = "no" ]; then
+	if [ "${DISTRO}" != "redhat" ]; then
 		warn "The AUTOSTART [-s] option may not be needed on your distribution."
 	fi
 	# Check for systemd