distr_info: add support for get info about arch, bus size, memory size, base os name

bin/distr_info

@@ -329,6 +329,112 @@ elif distro lsb-release && [ -n "$DISTRIB_RELEASE" ]; then
 	esac
 fi
 
+get_base_os_name()
+{
+local DIST_OS
+# Resolve the os
+DIST_OS=`uname -s | tr [:upper:] [:lower:] | tr -d " \t\r\n"`
+case "$DIST_OS" in
+    'sunos')
+        DIST_OS="solaris"
+        ;;
+    'hp-ux' | 'hp-ux64')
+        DIST_OS="hpux"
+        ;;
+    'darwin' | 'oarwin')
+        DIST_OS="macosx"
+        ;;
+    'unix_sv')
+        DIST_OS="unixware"
+        ;;
+    'freebsd' | 'openbsd' | 'netbsd')
+        DIST_OS="freebsd"
+        ;;
+esac
+echo "$DIST_OS"
+}
+
+get_arch()
+{
+local DIST_ARCH
+# Resolve the architecture
+DIST_ARCH=`uname -m | tr [:upper:] [:lower:] | tr -d " \t\r\n"`
+case "$DIST_ARCH" in
+    'amd64' | 'ia32' | 'i386' | 'i486' | 'i586' | 'i686' | 'x86_64')
+        DIST_ARCH="x86"
+        ;;
+    'ia64' | 'ia-64')
+        DIST_ARCH="ia64"
+        ;;
+    'ip27' | 'mips')
+        DIST_ARCH="mips"
+        ;;
+    'powermacintosh' | 'power' | 'powerpc' | 'power_pc' | 'ppc64')
+        DIST_ARCH="ppc"
+        ;;
+    'pa_risc' | 'pa-risc')
+        DIST_ARCH="parisc"
+        ;;
+    'sun4u' | 'sparcv9')
+        DIST_ARCH="sparc"
+        ;;
+    '9000/800')
+        DIST_ARCH="parisc"
+        ;;
+    armv*)
+        if [ -z "`readelf -A /proc/self/exe | grep Tag_ABI_VFP_args`" ] ; then
+            DIST_ARCH="armel"
+        else
+            DIST_ARCH="armhf"
+        fi
+        ;;
+esac
+echo "$DIST_ARCH"
+}
+
+get_bit_size()
+{
+local DIST_BIT
+# Check if we are running on 64bit platform, seems like a workaround for now...
+DIST_BIT=`uname -m | tr [:upper:] [:lower:] | tr -d " \t\r\n"`
+case "$DIST_BIT" in
+    'amd64' | 'ia64' | 'x86_64' | 'ppc64')
+        DIST_BIT="64"
+        ;;
+#    'pa_risc' | 'pa-risc') # Are some of these 64bit? Least not all...
+#       BIT="64"
+#        ;;
+    'sun4u' | 'sparcv9') # Are all sparcs 64?
+        DIST_BIT="64"
+        ;;
+#    '9000/800')
+#       DIST_BIT="64"
+#        ;;
+    *) # In any other case default to 32
+        DIST_BIT="32"
+        ;;
+esac
+echo "$DIST_BIT"
+}
+
+get_memory_size() {
+    local detected=0
+    local DIST_OS=$(get_base_os_name)
+    if [ $DIST_OS = "macosx" ]
+    then
+       detected=$((`sysctl hw.memsize | sed s/"hw.memsize: "//`/1024/1024))
+    elif [ $DIST_OS = "freebsd" ]
+    then
+       detected=$((`sysctl hw.physmem | sed s/"hw.physmem: "//`/1024/1024))
+    elif [ $DIST_OS = "linux" ]
+    then
+       detected=$((`cat /proc/meminfo | grep MemTotal | awk '{print $2}'`/1024))
+    fi
+# Exit codes only support values between 0 and 255. So use stdout.
+    echo $detected
+}
+
+
 case $1 in
 	-p)
 		# override DISTRIB_ID
@@ -341,6 +447,10 @@ case $1 in
 		echo "Usage: distr_vendor [options] [args]"
 		echo "-p [SystemName] - print type of packaging system"
 		echo "-d - print distro name"
+		echo "-a - print hardware architecture"
+		echo "-b - print size of arch bit (32/64)"
+		echo "-m - print system memory size (in MB)"
+		echo "-o - print base os name"
 		echo "-v - print version of distro"
 		echo "-e - print full name of distro with version (by default)"
 		echo "-s [SystemName] - print name of distro for build system (like in the package release name)"
@@ -352,6 +462,18 @@ case $1 in
 	-d)
 		echo $DISTRIB_ID
 		;;
+	-a)
+		get_arch
+		;;
+	-b)
+		get_bit_size
+		;;
+	-m)
+		get_memory_size
+		;;
+	-o)
+		get_base_os_name
+		;;
 	-v)
 		echo $DISTRIB_RELEASE
 		;;