Updates to diagnostic script (#37)

Added get_flash_information(), exclude /var/lib/smartmontools
as is routinled updated by 3rd parties, made check for pine64
and rock64 support packages, checks for iostat before using
it and change log file path based on permissions.

Import of folliwing commits from pfeerick/pine64-scripts:
b7f82afbe0a8838c8910785ff37b9c01144054ad
cceb8ab35c26cb7ff8eb5b684c10d13f3cf4fa63
65ceaf5209e838bcc74b0db86199699c657f5311
14ae540f47a6baa5e4a241a8d6752f0e3adfa865
951d920961f34d2daf680d9242219fc575569749

Author: pfeerick

package/root/usr/local/sbin/pine64_diagnostics.sh

@@ -6,8 +6,14 @@
 # Written 2017 Peter Feerick and contributors, released under GPLv3
 #
 
-Log="/var/log/${0##*/}.log"
-VerifyRepairExcludes="/etc/|/boot/|cache|getty"
+#if user doesn't have permission for /var/log, write to /tmp
+if [ -w /var/log ]; then
+	Log="/var/log/${0##*/}.log"
+else
+	Log="/tmp/${0##*/}.log"
+fi
+
+VerifyRepairExcludes="/etc/|/boot/|cache|getty|/var/lib/smartmontools/"
 
 Main() {
 	# check if stdout is a terminal...
@@ -127,13 +133,26 @@ GenerateLog() {
 
 	echo -e "\n### Loaded modules:\n\n$(lsmod)"
 
-	echo -e "\n### package version:\n"
-	apt-cache policy linux-pine64-package
+        if [[ $(dpkg-query -W -f='${Status}' linux-pine64-package 2>/dev/null | grep -c "ok installed") == "1" ]]; then
+                echo -e "\n### linux-pine64-package version:\n"
+                apt-cache policy linux-pine64-package
+        fi
+
+        if [[ $(dpkg-query -W -f='${Status}' linux-rock64-package 2>/dev/null | grep -c "ok installed") == "1" ]]; then
+                echo -e "\n### linux-rock64-package version:\n"
+                apt-cache policy linux-rock64-package
+        fi
 
 	echo -e "\n### Kernel version:\n"
 	uname -a
 
-	echo -e "\n### Current sysinfo:\n\n$(iostat -p ALL | grep -v "^loop")\n\n$(vmstat -w)\n\n$(free -h)\n\n$(dmesg | tail -n 250)"
+        echo -e "Searching for info on flash media... "
+        get_flash_information >>${Log}
+	which iostat >/dev/null 2>&1 && \
+
+	echo -e "\n### Current sysinfo:\n\n"
+	which iostat >/dev/null 2>&1 && echo -e "$(iostat -p ALL | grep -v '^loop')\n\n"
+	echo -e "$(vmstat -w)\n\n$(free -h)\n\n$(dmesg | tail -n 250)"
 } # GenerateLog
 
 CheckCard() {
@@ -267,6 +286,19 @@ GetDevice() {
 	fi
 } # GetDevice
 
+get_flash_information() {
+	# http://www.bunniestudios.com/blog/?page_id=1022
+	find /sys -name oemid | while read Device ; do
+		DeviceNode="${Device%/*}"
+		DeviceName="${DeviceNode##*/}"
+		echo -e "\n### ${DeviceName} info:\n"
+		find "${DeviceNode}" -maxdepth 1 -type f | while read ; do
+			NodeName="${REPLY##*/}"
+			echo -e "$(printf "%20s" ${NodeName}): $(cat "${DeviceNode}/${NodeName}" | tr '\n' " ")"
+		done
+	done
+} # get_flash_information
+
 UploadSupportLogs() {
 	#prevent colour escape sequences in log
 	BOLD=''
@@ -287,7 +319,7 @@ UploadSupportLogs() {
 	echo -e "Generating diagnostic logs... "
 	GenerateLog > ${Log}
 	echo -e "Running file integrity checks... "
-	   	VerifyFiles >> ${Log}
+   	VerifyFiles >> ${Log}
 
 	#check network connection
 	fping sprunge.us | grep -q alive || \