Use absolute paths for config.tonl

pkg.info

@@ -1,6 +1,7 @@
 name: rustc
 description: The rust programming language compiler
 version: 1.85.0
+revision: 2
 url: https://www.rust-lang.org/
 license: Apache-2.0 or MIT
 architecture: any

source.sh

@@ -10,7 +10,9 @@ FILENAME="${DOWNLOAD##*/}"
 prepare() {
   wget "$DOWNLOAD"
   tar -xvf "$FILENAME" --strip-components=1 -C "$BPM_SOURCE"
-  cp config.toml "$BPM_SOURCE"
+
+  # Copy rust build config to source directory
+  cp "$BPM_WORKDIR"/config.toml "$BPM_SOURCE"/config.toml
 }
 
 # The build function is executed in the source directory