Added OMP to .zshrc

.zshrc

@@ -2,3 +2,34 @@
 #
 # Colored ls
 alias ls=ls --color=auto
+#
+# Detect Device Arch
+arch="$(uname -m | tr '[:upper:]' '[:lower:]')"
+
+case "${arch}" in
+  x86_64) arch="amd64" ;;
+  armv*) arch="arm" ;;
+  arm64) arch="arm64" ;;
+  aarch64) arch="arm64" ;;
+  i686) arch="386" ;;
+esac
+
+if [ "${arch}" = "arm64" ] && [ "$(getconf LONG_BIT)" -eq 32 ]; then
+  arch=arm
+fi
+#
+# Detect Device Platform
+platform="$(uname -s | awk '{print tolower($0)}')"
+
+case "${platform}" in
+  linux) platform="linux" ;;
+  darwin) platform="darwin" ;;
+esac
+#
+# Get and download the correct OMP
+correct_omp="~/.config/oh-my-posh/posh-$platform-$arch"
+if [ ! -f "$correct_omp" ]; then
+	echo "Downloading Oh My Posh for $platform-$arch"
+	curl -s -o "$correct_omp" "https://github.com/JanDeDobbeleer/oh-my-posh/releases/download/latest/posh-$platform-$arch"
+fi
+alias oh-my-posh="$correct_omp"