1 files changed, 65 insertions, 1 deletions
diff --git a/cli/deno_dir.rs b/cli/deno_dir.rs
index 1447682ec..076692621 100644
--- a/cli/deno_dir.rs
+++ b/cli/deno_dir.rs
@@ -6,7 +6,7 @@ use std::path::PathBuf;
 /// in single directory that can be controlled with `$DENO_DIR` env variable.
 #[derive(Clone)]
 pub struct DenoDir {
-  // Example: /Users/rld/.deno/
+  /// Example: /Users/rld/.deno/
   pub root: PathBuf,
   /// Used by TsCompiler to cache compiler output.
   pub gen_cache: DiskCache,
@@ -45,3 +45,67 @@ impl DenoDir {
     Ok(deno_dir)
   }
 }
+
+/// To avoid the poorly managed dirs crate
+#[cfg(not(windows))]
+mod dirs {
+  use std::path::PathBuf;
+
+  pub fn cache_dir() -> Option<PathBuf> {
+    if cfg!(target_os = "macos") {
+      home_dir().map(|h| h.join("Library/Caches"))
+    } else {
+      std::env::var_os("XDG_CACHE_HOME")
+        .map(PathBuf::from)
+        .or_else(|| home_dir().map(|h| h.join(".cache")))
+    }
+  }
+
+  pub fn home_dir() -> Option<PathBuf> {
+    std::env::var_os("HOME")
+      .and_then(|h| if h.is_empty() { None } else { Some(h) })
+      .map(PathBuf::from)
+  }
+}
+
+/// To avoid the poorly managed dirs crate
+// Copied from
+// https://github.com/dirs-dev/dirs-sys-rs/blob/ec7cee0b3e8685573d847f0a0f60aae3d9e07fa2/src/lib.rs#L140-L164
+// MIT license. Copyright (c) 2018-2019 dirs-rs contributors
+#[cfg(windows)]
+mod dirs {
+  use std::ffi::OsString;
+  use std::os::windows::ffi::OsStringExt;
+  use std::path::PathBuf;
+  use winapi::shared::winerror;
+  use winapi::um::{combaseapi, knownfolders, shlobj, shtypes, winbase, winnt};
+
+  fn known_folder(folder_id: shtypes::REFKNOWNFOLDERID) -> Option<PathBuf> {
+    unsafe {
+      let mut path_ptr: winnt::PWSTR = std::ptr::null_mut();
+      let result = shlobj::SHGetKnownFolderPath(
+        folder_id,
+        0,
+        std::ptr::null_mut(),
+        &mut path_ptr,
+      );
+      if result == winerror::S_OK {
+        let len = winbase::lstrlenW(path_ptr) as usize;
+        let path = std::slice::from_raw_parts(path_ptr, len);
+        let ostr: OsString = OsStringExt::from_wide(path);
+        combaseapi::CoTaskMemFree(path_ptr as *mut winapi::ctypes::c_void);
+        Some(PathBuf::from(ostr))
+      } else {
+        None
+      }
+    }
+  }
+
+  pub fn cache_dir() -> Option<PathBuf> {
+    known_folder(&knownfolders::FOLDERID_LocalAppData)
+  }
+
+  pub fn home_dir() -> Option<PathBuf> {
+    known_folder(&knownfolders::FOLDERID_Profile)
+  }
+}