From e3354c1496a6fd6b80ad563712edb88b12bb7372 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lauren=C8=9Biu=20Nicola?= <lnicola@dend.ro>
Date: Fri, 1 Nov 2019 22:20:44 +0200
Subject: Use run-time project path in xtask

---
 xtask/src/lib.rs | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

(limited to 'xtask/src/lib.rs')

diff --git a/xtask/src/lib.rs b/xtask/src/lib.rs
index cc69463a9..bae4c4650 100644
--- a/xtask/src/lib.rs
+++ b/xtask/src/lib.rs
@@ -3,6 +3,7 @@
 pub mod codegen;
 
 use std::{
+    env,
     error::Error,
     fs,
     io::{Error as IoError, ErrorKind},
@@ -17,7 +18,13 @@ pub type Result<T> = std::result::Result<T, Box<dyn Error>>;
 const TOOLCHAIN: &str = "stable";
 
 pub fn project_root() -> PathBuf {
-    Path::new(&env!("CARGO_MANIFEST_DIR")).ancestors().nth(1).unwrap().to_path_buf()
+    Path::new(
+        &env::var("CARGO_MANIFEST_DIR").unwrap_or_else(|_| env!("CARGO_MANIFEST_DIR").to_owned()),
+    )
+    .ancestors()
+    .nth(1)
+    .unwrap()
+    .to_path_buf()
 }
 
 pub struct Cmd<'a> {
-- 
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