fix(copr): missed space in cat heredoc for .cargo/config.toml

package/copr/lune.spec

@@ -17,7 +17,10 @@ BuildRequires: rust
 BuildRequires: cargo
 BuildRequires: just
 BuildRequires: clang
+BuildRequires: perl
 %ifarch aarch64
+BuildRequires: binutils-aarch64-linux-gnu
+BuildRequires: gcc-c++-aarch64-linux-gnu
 BuildRequires: gcc-aarch64-linux-gnu
 BuildRequires: musl-devel
 %endif
@@ -35,7 +38,13 @@ Requires: glibc
 
 %prep
 %setup -q -n lune-%{version}
-
+# Removes the first line containing clippy lint attribute which is falsely flagged as a shebang in build
+find . -type f -name "*.rs" -exec perl -i -ne 'print unless /^\#!\[/ ' {} +
+cat <<EOF > .cargo/config.toml
+[target.aarch64-unknown-linux-gnu]
+linker = "aarch64-linux-gnu-gcc"
+rustflags = ["-L", "/usr/lib/gcc/aarch64-linux-gnu/14"]
+EOF
 
 %build
 just build --locked --release