Use data dir instead of home dir for dioxus-related data

.github/install.sh

@@ -84,7 +84,13 @@ else
     dx_uri=$github_repo/releases/download/$1/dx-$target.zip
 fi
 
-dx_install="${DX_INSTALL:-$HOME/.dx}"
+if [ -n "$DX_INSTALL" ]; then
+    dx_install="$DX_INSTALL"
+elif [ -n "$XDG_DATA_HOME" ]; then
+    dx_install="$XDG_DATA_HOME/dx"
+else
+    dx_install="$HOME/.dx"
+fi
 bin_dir="$dx_install/bin"
 exe="$bin_dir/dx"
 cargo_bin_dir="$HOME/.cargo/bin"

packages/cli/src/cli/update.rs

@@ -120,7 +120,7 @@ impl SelfUpdate {
                 })
                 .context("No suitable asset found")?;
 
-            let install_dir = Workspace::dioxus_home_dir().join("self-update");
+            let install_dir = Workspace::dioxus_data_dir().join("self-update");
             std::fs::create_dir_all(&install_dir).context("Failed to create install directory")?;
 
             tracing::info!("Downloading update from Github");

packages/cli/src/tailwind.rs

@@ -224,7 +224,7 @@ impl TailwindCli {
     }
 
     fn install_dir(&self) -> Result<PathBuf> {
-        let bindgen_dir = Workspace::dioxus_home_dir().join("tailwind/");
+        let bindgen_dir = Workspace::dioxus_data_dir().join("tailwind/");
         Ok(bindgen_dir)
     }
 

packages/cli/src/wasm_bindgen.rs

@@ -400,7 +400,7 @@ impl WasmBindgen {
     }
 
     fn install_dir(&self) -> anyhow::Result<PathBuf> {
-        let bindgen_dir = Workspace::dioxus_home_dir().join("wasm-bindgen/");
+        let bindgen_dir = Workspace::dioxus_data_dir().join("wasm-bindgen/");
         std::fs::create_dir_all(&bindgen_dir)?;
         Ok(bindgen_dir)
     }

packages/cli/src/wasm_opt.rs

@@ -243,7 +243,7 @@ pub fn installed_location() -> Option<PathBuf> {
 }
 
 fn install_dir() -> PathBuf {
-    Workspace::dioxus_home_dir().join("binaryen")
+    Workspace::dioxus_data_dir().join("binaryen")
 }
 
 fn installed_bin_name() -> &'static str {

packages/cli/src/workspace.rs

@@ -511,9 +511,28 @@ impl Workspace {
             .context("Failed to find dx")
     }
 
-    /// Returns the path to the dioxus home directory, used to install tools and other things
-    pub(crate) fn dioxus_home_dir() -> PathBuf {
-        dirs::home_dir().unwrap().join(".dioxus")
+    /// Returns the path to the dioxus data directory, used to install tools, store configs, and other things
+    ///
+    /// On macOS, we prefer to not put this dir in Application Support, but rather in the home directory.
+    /// On Windows, we prefer to keep it in the home directory so the `dx` install dir matches the install script.
+    pub(crate) fn dioxus_data_dir() -> PathBuf {
+        static DX_HOME: std::sync::OnceLock<PathBuf> = std::sync::OnceLock::new();
+        DX_HOME
+            .get_or_init(|| {
+                if let Some(path) = std::env::var_os("DX_HOME") {
+                    return PathBuf::from(path);
+                }
+
+                if cfg!(target_os = "macos") || cfg!(target_os = "windows") {
+                    dirs::home_dir().unwrap().join(".dx")
+                } else {
+                    dirs::data_dir()
+                        .or_else(dirs::home_dir)
+                        .unwrap()
+                        .join(".dx")
+                }
+            })
+            .to_path_buf()
     }
 }