pfetch: windows support

pfetch

@@ -210,45 +210,35 @@ get_os() {
             # says "populate $line with the third field's contents".
             while IFS='<>' read -r _ _ line _; do
                 case $line in
-                    # Match the key and read the next line
+                    # Match 'ProductVersion' and read the next line
                     # directly as it contains the key's value.
-                    #
-                    # Define a shell variable using the key's value.
-                    ProductName|ProductVersion)
-                        IFS='<>' read -r _ _ "${line?}"  _
+                    ProductVersion)
+                        IFS='<>' read -r _ _ mac_version _
                         break
                     ;;
                 esac
             done < /System/Library/CoreServices/SystemVersion.plist
 
-            case ${ProductName?} in
-                iPhone*)
-                    distro="iOS ${ProductVersion?}"
-                ;;
-
-                *)
-                    # Use the ProductVersion to determine which macOS/OS X
-                    # codename the system has. As far as I'm aware there's
-                    # no "dynamic" way of grabbing this information.
-                    case ${ProductVersion?} in
-                        10.4*)  distro='Mac OS X Tiger' ;;
-                        10.5*)  distro='Mac OS X Leopard' ;;
-                        10.6*)  distro='Mac OS X Snow Leopard' ;;
-                        10.7*)  distro='Mac OS X Lion' ;;
-                        10.8*)  distro='OS X Mountain Lion' ;;
-                        10.9*)  distro='OS X Mavericks' ;;
-                        10.10*) distro='OS X Yosemite' ;;
-                        10.11*) distro='OS X El Capitan' ;;
-                        10.12*) distro='macOS Sierra' ;;
-                        10.13*) distro='macOS High Sierra' ;;
-                        10.14*) distro='macOS Mojave' ;;
-                        10.15*) distro='macOS Catalina' ;;
-                        *)      distro='macOS' ;;
-                    esac
-
-                    distro="$distro ${ProductVersion?}"
-                ;;
+            # Use the ProductVersion to determine which macOS/OS X codename
+            # the system has. As far as I'm aware there's no "dynamic" way
+            # of grabbing this information.
+            case $mac_version in
+                10.4*)  distro='Mac OS X Tiger' ;;
+                10.5*)  distro='Mac OS X Leopard' ;;
+                10.6*)  distro='Mac OS X Snow Leopard' ;;
+                10.7*)  distro='Mac OS X Lion' ;;
+                10.8*)  distro='OS X Mountain Lion' ;;
+                10.9*)  distro='OS X Mavericks' ;;
+                10.10*) distro='OS X Yosemite' ;;
+                10.11*) distro='OS X El Capitan' ;;
+                10.12*) distro='macOS Sierra' ;;
+                10.13*) distro='macOS High Sierra' ;;
+                10.14*) distro='macOS Mojave' ;;
+                10.15*) distro='macOS Catalina' ;;
+                *)      distro='macOS' ;;
             esac
+
+            distro="$distro $mac_version"
         ;;
 
         Haiku)
@@ -271,6 +261,19 @@ get_os() {
             IFS='(' read -r distro _ < /etc/release
         ;;
 
+        CYGWIN*|MSYS*|MINGW*)
+            # Grab everything after the first instance of
+            # white-space in the command output of 'wmic'.
+            #
+            # The format of 'wmic' is as follows:
+            # Caption=Microsoft Windows 7 Enterprise
+            #
+            # This extracts:    ^^^^^^^^^^^^^^^^^^^^
+            read -r _ distro <<-EOF
+    			$(wmic os get Caption /value)
+			EOF
+        ;;
+
         *)
             # Catch all to ensure '$distro' is never blank.
             # This also handles the BSDs.
@@ -317,6 +320,21 @@ get_host() {
         *BSD*)
             host=$(sysctl -n hw.vendor hw.product)
         ;;
+
+        CYGWIN*|MSYS*|MINGW*)
+            # Grab everything after the first instance of '=' in each
+            # line of the command output of 'wmic'. Append the output
+            # of each line to the '$host' variable.
+            #
+            # The format of 'wmic' is as follows:
+            # Manufacturer=VMware, Inc.
+            # Model=VMware Virtual Platform
+            while IFS='=' read -r _ val; do
+                host="${host}${val:+ $val}"
+            done <<-EOF
+    			$(wmic computersystem get manufacturer,model /value)
+			EOF
+        ;;
     esac
 
     # Turn the host string into an argument list so we can iterate
@@ -366,7 +384,7 @@ get_uptime() {
     # converting that data into days, hours and minutes using simple
     # math.
     case $os in
-        Linux*|Minix*)
+        Linux*|Minix*|CYGWIN*|MSYS*|MINGW*)
             IFS=. read -r s _ < /proc/uptime
         ;;
 
@@ -495,6 +513,14 @@ get_pkgs() {
                 has pkginfo && pkginfo -i
                 has pkg     && pkg list
             ;;
+
+            CYGWIN*)
+                cygcheck -cd
+            ;;
+
+            MSYS*)
+                pacman -Qq
+            ;;
         esac | wc -l
     `
 
@@ -506,7 +532,7 @@ get_memory() {
         # Used memory is calculated using the following "formula":
         # MemUsed = MemTotal + Shmem - MemFree - Buffers - Cached - SReclaimable
         # Source: https://github.com/KittyKatt/screenFetch/issues/386
-        Linux*)
+        Linux*|CYGWIN*|MSYS*|MINGW*)
             # Parse the '/proc/meminfo' file splitting on ':' and 'k'.
             # The format of the file is 'key:   000kB' and an additional
             # split is used on 'k' to filter out 'kB'.