+ if $GREP -q 'primeos' /proc/version; then
+ echo 'primeos'; return
+ fi
+
+ if $GREP -q 'austrumi' /proc/version; then
+ echo 'austrumi'; return
+ fi
+
+ if [ -f /DISTRO_SPECS ]; then
+ if $GREP -q '[Pp]uppy' /DISTRO_SPECS; then
+ echo 'debian'; return
+ elif $GREP -q 'veket' /DISTRO_SPECS; then
+ echo 'debian'; return
+ fi
+ fi
+
+ if [ -f /etc/openEuler-release ]; then
+ echo "openEuler"; return
+ fi
+
+
+ #special arch based iso file check
+ if [ -f /init ]; then
+ if $GREP -q 'mount_handler' /init; then
+ if [ -d /hooks ]; then
+ if $BUSYBOX_PATH/ls -1 /hooks/ | $GREP -q '.*iso$'; then
+ echo "arch"; return
+ fi
+ elif [ -d /hook ]; then
+ if $BUSYBOX_PATH/ls -1 /hook/ | $GREP -q '.*iso$'; then
+ echo "arch"; return
+ fi
+ fi
+ fi
+ fi
+
+
+ #Kylin V10 Server
+ if [ -f /usr/sbin/dhclient ]; then
+ if $BUSYBOX_PATH/strings /usr/sbin/dhclient | $GREP -i -q -m1 openeuler; then
+ echo 'openEuler'; return
+ fi
+ fi
+
+ if $GREP -q 'chimera' /proc/version; then
+ echo 'chimera'; return
+ fi
+
+
+ if $GREP -q '4.19.' /proc/version; then
+ if [ -d /lib/dracut/hooks ]; then
+ echo 'openEuler'; return
+ fi
+ fi
+
+ if [ -f /etc/tinyramfs/config ]; then
+ if $GREP -q 'EWE_ISO' /etc/tinyramfs/config; then
+ echo "ewe"; return
+ fi
+ fi
+
+