Windows: Use junctions rather than symlinks (#519)

Cargo.lock

@@ -458,6 +458,7 @@ dependencies = [
  "env_logger",
  "indoc",
  "insta",
+ "junction",
  "log",
  "pretty_assertions",
  "reqwest",
@@ -763,6 +764,16 @@ dependencies = [
  "wasm-bindgen",
 ]
 
+[[package]]
+name = "junction"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "be39922b087cecaba4e2d5592dedfc8bda5d4a5a1231f143337cca207950b61d"
+dependencies = [
+ "scopeguard",
+ "winapi",
+]
+
 [[package]]
 name = "lazy_static"
 version = "1.4.0"

Cargo.toml

@@ -42,3 +42,4 @@ embed-resource = "1.6.3"
 
 [target.'cfg(windows)'.dependencies]
 csv = "1.1.6"
+junction = "0.2.0"

README.md

@@ -139,16 +139,6 @@ fnm env | source
 
 #### PowerShell
 
-Before adding any configuration to your shell, you'd need to enable symlink support for a standard accounts (non-administrator).
-
-You can do it by enabling [Developer Mode](https://docs.microsoft.com/en-us/windows/apps/get-started/enable-your-device-for-development), or [updating the Local Security Policy](#local-security-policy).
-
-##### Local Security Policy
-
-Open `Local Security Policy` (`secpol.msc`) and go to `Local Policies` -> `User Rights Assignment`, select `Create symbolic links`, add your user to the list and **reboot**.
-
-> Use `whoami` if you are not sure what's your user name.
-
 Add the following to the end of your profile file:
 
 ```powershell

src/fs.rs

@@ -8,7 +8,7 @@ pub fn symlink_dir<P: AsRef<Path>, U: AsRef<Path>>(from: P, to: U) -> std::io::R
 
 #[cfg(windows)]
 pub fn symlink_dir<P: AsRef<Path>, U: AsRef<Path>>(from: P, to: U) -> std::io::Result<()> {
-    std::os::windows::fs::symlink_dir(from, to)?;
+    junction::create(from, to)?;
     Ok(())
 }