06/276: build: cargo-build-system: Check for pregenerated files.

[guix-commits]

efraim pushed a commit to branch rust-team
in repository guix.

commit c2ac2e3f383ebf22a1049ca32f54656f14e56c48
Author: Efraim Flashner <efraim@flashner.co.il>
AuthorDate: Sat Sep 30 23:48:56 2023 +0300

    build: cargo-build-system: Check for pregenerated files.
    
    * guix/build/cargo-build-system.scm (check-for-pregenerated-files): New
    procedure.
    (%standard-phases): Add 'check-for-pregenerated-files phase between
    'unpack and 'unpack-rust-crates.
---
 guix/build/cargo-build-system.scm | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/guix/build/cargo-build-system.scm 
b/guix/build/cargo-build-system.scm
index fbba554e9b..9094ea41d1 100644
--- a/guix/build/cargo-build-system.scm
+++ b/guix/build/cargo-build-system.scm
@@ -111,6 +111,13 @@ Cargo.toml file present at its root."
 (define (rust-package? name)
   (string-prefix? "rust-" name))
 
+(define* (check-for-pregenerated-files #:rest _)
+  "Check the source code for files which are known to generally be bundled
+libraries or executables."
+  (let ((pregenerated-files (find-files "." "\\.(a|dll|exe|lib)$")))
+    (when (not (null-list? pregenerated-files))
+      (error "Possible pre-generated files found:" pregenerated-files))))
+
 (define* (configure #:key inputs
                     (vendor-dir "guix-vendor")
                     #:allow-other-keys)
@@ -285,7 +292,8 @@ directory = '" port)
     (replace 'check check)
     (replace 'install install)
     (add-after 'build 'package package)
-    (add-after 'unpack 'unpack-rust-crates unpack-rust-crates)
+    (add-after 'unpack 'check-for-pregenerated-files 
check-for-pregenerated-files)
+    (add-after 'check-for-pregenerated-files 'unpack-rust-crates 
unpack-rust-crates)
     (add-after 'patch-generated-file-shebangs 'patch-cargo-checksums 
patch-cargo-checksums)))
 
 (define* (cargo-build #:key inputs (phases %standard-phases)