From 2167ee28fdd4fcd970dadfbc9ed6a24bc46510ea Mon Sep 17 00:00:00 2001
From: javalsai <jvssxxi@gmail.com>
Date: Tue, 24 Mar 2026 22:20:51 +0100
Subject: [PATCH] fix: make path resolution relative to project root

this was already how it mostly behaved but there seemed to be exceptions
like LSP warnings (in these tests themselves)
---
 const-macros-proc/src/lib.rs | 7 +++++--
 src/lib.rs                   | 4 ++++
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/const-macros-proc/src/lib.rs b/const-macros-proc/src/lib.rs
index daed5ac..76affa7 100644
--- a/const-macros-proc/src/lib.rs
+++ b/const-macros-proc/src/lib.rs
@@ -1,5 +1,5 @@
 #![feature(proc_macro_value)]
-use std::{fs::File, io::Read};
+use std::{fs::File, io::Read, path::Path};
 
 use proc_macro::{Delimiter, Group, Literal, Punct, TokenStream, TokenTree};
 use sha2::Digest;
@@ -114,7 +114,10 @@ fn get_sha256sum(buf: &[u8]) -> [u8; 32] {
 pub fn include_asset(input: TokenStream) -> TokenStream {
     let path = read_path_literal(input);
     let mut buf = Vec::new();
-    File::open(path)
+
+    let manifest_dir = std::env::var("CARGO_MANIFEST_DIR").expect("CARGO_MANIFEST_DIR to be set");
+
+    File::open(Path::new(&manifest_dir).join(&path))
         .expect("couldn't open file")
         .read_to_end(&mut buf)
         .expect("error reading file");
diff --git a/src/lib.rs b/src/lib.rs
index a118a48..b3df8a0 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -27,6 +27,10 @@ pub mod file {
         }
     }
 
+    /// Similar to [`include_bytes!`], but it returns a lot more information about the file, like
+    /// its mime type, or its sha256sum (could be changed), all at compile time.
+    ///
+    /// The path is relative to the package's root.
     #[macro_export]
     macro_rules! include_asset {
         ($path:literal) => {