$ git clone -n https://src.fedoraproject.org/rpms/rubygem-bcrypt.git /var/lib/mock/f31-build-86469-31683/root/chroot_tmpdir/scmroot/rubygem-bcrypt
Cloning into '/var/lib/mock/f31-build-86469-31683/root/chroot_tmpdir/scmroot/rubygem-bcrypt'...
$ git reset --hard e68f14abcc699cd95cf8c0b1b782817a080fbed7
HEAD is now at e68f14a - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild