From ca0dc4be5174481b0fe3ce0483df00fe44b55b51 Mon Sep 17 00:00:00 2001
From: Akshay <nerdypepper@tuta.io>
Date: Thu, 19 Mar 2020 17:13:19 +0530
Subject: add expand_tilde util fn

---
 src/lib.rs | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/src/lib.rs b/src/lib.rs
index 6c03510..5da5bdb 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,9 +1,11 @@
-pub use directories::ProjectDirs;
+pub use directories::{ProjectDirs, UserDirs};
 pub use serde::{de::DeserializeOwned, Serialize};
 pub use serde_json;
 pub use serde_yaml;
 pub use toml;
 
+use std::path::{Path, PathBuf};
+
 #[derive(Debug)]
 pub enum FondantError {
     InvalidHomeDir,
@@ -15,6 +17,20 @@ pub enum FondantError {
     FileOpenError,
 }
 
+pub fn expand_tilde<P: AsRef<Path>>(path: P) -> PathBuf {
+    let p = path.as_ref();
+    if p.starts_with("~") {
+        if p == Path::new("~") {
+            return UserDirs::new().unwrap().home_dir().to_path_buf();
+        } else {
+            let mut h = UserDirs::new().unwrap().home_dir().to_path_buf();
+            h.push(p.strip_prefix("~/").unwrap());
+            return h;
+        }
+    }
+    return p.to_path_buf();
+}
+
 pub trait Configure: Serialize + DeserializeOwned + Default {
     fn load() -> Result<Self, FondantError>;
     fn store(&self) -> Result<(), FondantError>;
-- 
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