From 6fb0bf1fb7f6cae1feb13138879bb8c2fd66f668 Mon Sep 17 00:00:00 2001
From: Marco Inacio <m@marcoinacio.com>
Date: Sun, 18 Feb 2024 19:43:00 +0000
Subject: [PATCH] rust: fix windows absolute path resolution

---
 rust/Cargo.toml              | 3 ++-
 rust/src/download_compile.rs | 5 ++++-
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/rust/Cargo.toml b/rust/Cargo.toml
index 2d07f2fa..1a7de615 100644
--- a/rust/Cargo.toml
+++ b/rust/Cargo.toml
@@ -15,9 +15,10 @@ ureq = { version = "2.7", optional = true }
 tar = { version = "0.4", optional = true }
 flate2 = { version = "1.0", optional = true }
 dirs = { version = "5.0", optional = true }
+path-absolutize = { version = "3.1", optional = true }
 
 [features]
-compile-stan-model = ["ureq", "tar", "flate2", "dirs"]
+compile-stan-model = ["ureq", "tar", "flate2", "dirs", "path-absolutize"]
 
 [build-dependencies]
 bindgen = "0.69.1"
diff --git a/rust/src/download_compile.rs b/rust/src/download_compile.rs
index f588fcdb..1156d4e2 100644
--- a/rust/src/download_compile.rs
+++ b/rust/src/download_compile.rs
@@ -1,5 +1,6 @@
 use crate::bs_safe::{BridgeStanError, Result};
 use flate2::read::GzDecoder;
+use path_absolutize::Absolutize;
 use std::{
     env::temp_dir,
     fs,
@@ -81,7 +82,9 @@ where
         None => get_bridgestan_src()?,
     };
 
-    let stan_file = fs::canonicalize(stan_file)
+    let stan_file = stan_file
+        .as_ref()
+        .absolutize()
         .map_err(|e| BridgeStanError::ModelCompilingFailed(e.to_string()))?;
 
     if stan_file.extension().unwrap_or_default() != "stan" {