update install script to support config and XDG spec

install.sh

@@ -1,25 +1,56 @@
-#!/usr/bin/env sh
+#!/usr/bin/env bash
 
 # This install script does 3 things:
-# 1. Create the ~/.stew directory structure
+# 1. Create the stew directory structure
 # 2. Download the stew binary
-# 3. Add ~/.stew/bin to PATH in ~/.zshrc or ~/.bashrc
+# 3. Add the stew binary path to PATH in ~/.zshrc or ~/.bashrc
 
 os=""
 arch=""
 exe=""
+defaultStewPath=""
+configPath=""
 
 # Detect os
 case "$(uname -s)" in
     Darwin)
         os="darwin"
+
+        if [ -z "$XDG_DATA_HOME" ]
+        then
+            defaultStewPath="$HOME/.local/share/stew"
+        else
+            defaultStewPath="$XDG_DATA_HOME/stew"
+        fi
+
+        if [ -z "$XDG_CONFIG_HOME" ]
+        then
+            configPath="$HOME/.config/stew"
+        else
+            configPath="$XDG_CONFIG_HOME/stew"
+        fi
         ;;
     Linux)
         os="linux"
+        if [ -z "$XDG_DATA_HOME" ]
+        then
+            defaultStewPath="$HOME/.local/share/stew"
+        else
+            defaultStewPath="$XDG_DATA_HOME/stew"
+        fi
+
+        if [ -z "$XDG_CONFIG_HOME" ]
+        then
+            configPath="$HOME/.config/stew"
+        else
+            configPath="$XDG_CONFIG_HOME/stew"
+        fi
         ;;
     CYGWIN*|MSYS*|MINGW*)
         os="windows"
         exe=".exe"
+        defaultStewPath="$HOME/AppData/Local/stew"
+        configPath="$HOME/AppData/Local/stew/Config"
         ;;
 esac
 
@@ -38,27 +69,77 @@ esac
 
 if [ "$os" = "" ] || [ "$arch" = "" ]
 then
-    echo "\033[31m\033[1mError:\033[0m Your current OS/arch is not supported by stew"
+    echo ""
+    echo "|||||||||||||||||||||"
+    echo "||      Error      ||"
+    echo "|||||||||||||||||||||"
+    echo ""
+    echo "Your current OS/arch is not supported by stew"
+    echo ""
     exit 1
 fi
 
-# 1. Create the ~/.stew directory structure
-mkdir -p "$HOME"/.stew/bin
-mkdir -p "$HOME"/.stew/pkg
+# 1. Create the stew directory structure
+stewPath=""
+stewBinPath=""
+
+read -r -t 60 -p "Set the stewPath. This will contain all stew data other than the binaries. (${defaultStewPath}): " stewPathInput
+if [ -z "$stewPathInput" ]
+then
+    stewPath="${defaultStewPath}"
+else
+    stewPath="${stewPathInput/#~/$HOME}"
+    stewPath="${stewPath/#\$HOME/$HOME}"
+    stewPath="${stewPath/#\$PWD/$PWD}"
+    if [ -x "$(command -v dirname)" ] && [ -x "$(command -v basename)" ]
+    then
+        stewPath="$(cd "$(dirname "$stewPath")" || exit; pwd)/$(basename "$stewPath")"
+    fi
+fi
+
+read -r -t 60 -p "Set the stewBinPath. This is where the binaries will be installed by stew. (${defaultStewPath}/bin): " stewBinPathInput
+if [ -z "$stewBinPathInput" ]
+then
+    stewBinPath="${defaultStewPath}/bin"
+else
+    stewBinPath="${stewBinPathInput/#~/$HOME}"
+    stewBinPath="${stewBinPath/#\$HOME/$HOME}"
+    stewBinPath="${stewBinPath/#\$PWD/$PWD}"
+    if [ -x "$(command -v dirname)" ] && [ -x "$(command -v basename)" ]
+    then
+        stewBinPath="$(cd "$(dirname "$stewBinPath")" || exit; pwd)/$(basename "$stewBinPath")"
+    fi
+fi
+
+mkdir -p "${stewPath}/bin"
+mkdir -p "${stewPath}/pkg"
+mkdir -p "${stewBinPath}"
+mkdir -p "${configPath}"
+
+echo "{
+	\"stewPath\": \"${stewPath}\",
+	\"stewBinPath\": \"${stewBinPath}\"
+}" > "${configPath}/config.json"
 
 # 2. Download the stew binary
-curl -o "$HOME"/.stew/bin/stew${exe} -fsSL https://github.com/marwanhawari/stew/releases/latest/download/stew-${os}-${arch}${exe}
-chmod +x "$HOME"/.stew/bin/stew${exe}
+curl -o "${stewBinPath}/stew${exe}" -fsSL https://github.com/marwanhawari/stew/releases/latest/download/stew-${os}-${arch}${exe}
+chmod +x "${stewBinPath}/stew${exe}"
 
-# 3. Add ~/.stew/bin to PATH in ~/.zshrc or ~/.bashrc
+# 3. Add the stew binary path to PATH in ~/.zshrc or ~/.bashrc
 if [ -f "$HOME"/.zshrc ]
 then
-    echo 'export PATH="$HOME/.stew/bin:$PATH"' >> "$HOME"/.zshrc
+    echo "export PATH=\"${stewBinPath}:\$PATH\"" >> "$HOME"/.zshrc
 elif [ -f "$HOME"/.bashrc ]
 then
-    echo 'export PATH="$HOME/.stew/bin:$PATH"' >> "$HOME"/.bashrc
+    echo "export PATH=\"${stewBinPath}:\$PATH\"" >> "$HOME"/.bashrc
 else
-    echo "Make sure to add $HOME/.stew/bin to PATH"
+    echo "Make sure to add ${stewBinPath} to PATH"
 fi
 
-echo "\033[32m\033[1mSuccess:\033[0m Start a new terminal session to start using stew"
+echo ""
+echo "|||||||||||||||||||||"
+echo "||     Success     ||"
+echo "|||||||||||||||||||||"
+echo ""
+echo "Start a new terminal session to start using stew"
+echo ""