$ git clone -n https://src.fedoraproject.org/rpms/R-Biostrings.git /var/lib/mock/f37-build-641971-72056/root/chroot_tmpdir/scmroot/R-Biostrings
Cloning into '/var/lib/mock/f37-build-641971-72056/root/chroot_tmpdir/scmroot/R-Biostrings'...
$ git reset --hard b5917217fa7297de324e27a14dbdcaf3ae192750
HEAD is now at b591721 update to 2.64.1, rebuild for R 4.2.1