Your bug report #40641: Building from git breaks when /bin/sh isn't bash which was filed against the guix package, has been closed. The explanation is attached below, along with your original report. If you require more details, please reply to 40641@debbugs.gnu.org. -- 40641: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=40641 GNU Bug Tracking System Contact help-debbugs@gnu.org with problems