Squashed 'golang-install/' content from commit 258f94f

git-subtree-dir: golang-install
git-subtree-split: 258f94f6120bbf99f4c9133c9ab5826dcd359fbe

goinstall.sh

@@ -0,0 +1,165 @@
+#!/bin/bash
+# shellcheck disable=SC2016
+set -e
+
+VERSION="1.18.1"
+
+[ -z "$GOROOT" ] && GOROOT="$HOME/.go"
+[ -z "$GOPATH" ] && GOPATH="$HOME/go"
+
+OS="$(uname -s)"
+ARCH="$(uname -m)"
+
+case $OS in
+    "Linux")
+        case $ARCH in
+        "x86_64")
+            ARCH=amd64
+            ;;
+        "aarch64")
+            ARCH=arm64
+            ;;
+        "armv6" | "armv7l")
+            ARCH=armv6l
+            ;;
+        "armv8")
+            ARCH=arm64
+            ;;
+        .*386.*)
+            ARCH=386
+            ;;
+        esac
+        PLATFORM="linux-$ARCH"
+    ;;
+    "Darwin")
+          case $ARCH in
+          "x86_64")
+              ARCH=amd64
+              ;;
+          "arm64")
+              ARCH=arm64
+              ;;
+          esac
+        PLATFORM="darwin-$ARCH"
+    ;;
+esac
+
+print_help() {
+    echo "Usage: bash goinstall.sh OPTIONS"
+    echo -e "\nOPTIONS:"
+    echo -e "  --remove\tRemove currently installed version"
+    echo -e "  --version\tSpecify a version number to install"
+}
+
+if [ -z "$PLATFORM" ]; then
+    echo "Your operating system is not supported by the script."
+    exit 1
+fi
+
+if [ -n "$($SHELL -c 'echo $ZSH_VERSION')" ]; then
+    shell_profile="$HOME/.zshrc"
+elif [ -n "$($SHELL -c 'echo $BASH_VERSION')" ]; then
+    shell_profile="$HOME/.bashrc"
+elif [ -n "$($SHELL -c 'echo $FISH_VERSION')" ]; then
+    shell="fish"
+    if [ -d "$XDG_CONFIG_HOME" ]; then
+        shell_profile="$XDG_CONFIG_HOME/fish/config.fish"
+    else
+        shell_profile="$HOME/.config/fish/config.fish"
+    fi
+fi
+
+if [ "$1" == "--remove" ]; then
+    rm -rf "$GOROOT"
+    if [ "$OS" == "Darwin" ]; then
+        if [ "$shell" == "fish" ]; then
+            sed -i "" '/# GoLang/d' "$shell_profile"
+            sed -i "" '/set GOROOT/d' "$shell_profile"
+            sed -i "" '/set GOPATH/d' "$shell_profile"
+            sed -i "" '/set PATH $GOPATH\/bin $GOROOT\/bin $PATH/d' "$shell_profile"
+        else
+            sed -i "" '/# GoLang/d' "$shell_profile"
+            sed -i "" '/export GOROOT/d' "$shell_profile"
+            sed -i "" '/$GOROOT\/bin/d' "$shell_profile"
+            sed -i "" '/export GOPATH/d' "$shell_profile"
+            sed -i "" '/$GOPATH\/bin/d' "$shell_profile"
+        fi
+    else
+        if [ "$shell" == "fish" ]; then
+            sed -i '/# GoLang/d' "$shell_profile"
+            sed -i '/set GOROOT/d' "$shell_profile"
+            sed -i '/set GOPATH/d' "$shell_profile"
+            sed -i '/set PATH $GOPATH\/bin $GOROOT\/bin $PATH/d' "$shell_profile"
+        else
+            sed -i '/# GoLang/d' "$shell_profile"
+            sed -i '/export GOROOT/d' "$shell_profile"
+            sed -i '/$GOROOT\/bin/d' "$shell_profile"
+            sed -i '/export GOPATH/d' "$shell_profile"
+            sed -i '/$GOPATH\/bin/d' "$shell_profile"
+        fi
+    fi
+    echo "Go removed."
+    exit 0
+elif [ "$1" == "--help" ]; then
+    print_help
+    exit 0
+elif [ "$1" == "--version" ]; then
+    if [ -z "$2" ]; then # Check if --version has a second positional parameter
+        echo "Please provide a version number for: $1"
+    else
+        VERSION=$2
+    fi
+elif [ ! -z "$1" ]; then
+    echo "Unrecognized option: $1"
+    exit 1
+fi
+
+if [ -d "$GOROOT" ]; then
+    echo "The Go install directory ($GOROOT) already exists. Exiting."
+    exit 1
+fi
+
+PACKAGE_NAME="go$VERSION.$PLATFORM.tar.gz"
+TEMP_DIRECTORY=$(mktemp -d)
+
+echo "Downloading $PACKAGE_NAME ..."
+if hash wget 2>/dev/null; then
+    wget https://storage.googleapis.com/golang/$PACKAGE_NAME -O "$TEMP_DIRECTORY/go.tar.gz"
+else
+    curl -o "$TEMP_DIRECTORY/go.tar.gz" https://storage.googleapis.com/golang/$PACKAGE_NAME
+fi
+
+if [ $? -ne 0 ]; then
+    echo "Download failed! Exiting."
+    exit 1
+fi
+
+echo "Extracting File..."
+mkdir -p "$GOROOT"
+
+tar -C "$GOROOT" --strip-components=1 -xzf "$TEMP_DIRECTORY/go.tar.gz"
+
+echo "Configuring shell profile in: $shell_profile"
+touch "$shell_profile"
+if [ "$shell" == "fish" ]; then
+    {
+        echo '# GoLang'
+        echo "set GOROOT '${GOROOT}'"
+        echo "set GOPATH '$GOPATH'"
+        echo 'set PATH $GOPATH/bin $GOROOT/bin $PATH'
+    } >> "$shell_profile"
+else
+    {
+        echo '# GoLang'
+        echo "export GOROOT=${GOROOT}"
+        echo 'export PATH=$GOROOT/bin:$PATH'
+        echo "export GOPATH=$GOPATH"
+        echo 'export PATH=$GOPATH/bin:$PATH'
+    } >> "$shell_profile"
+fi
+
+mkdir -p "${GOPATH}/"{src,pkg,bin}
+echo -e "\nGo $VERSION was installed into $GOROOT.\nMake sure to relogin into your shell or run:"
+echo -e "\n\tsource $shell_profile\n\nto update your environment variables."
+echo "Tip: Opening a new terminal window usually just works. :)"
+rm -f "$TEMP_DIRECTORY/go.tar.gz"