$ git clone -n https://src.fedoraproject.org/rpms/R-Rsamtools.git /var/lib/mock/f40-build-789286-135700/root/chroot_tmpdir/scmroot/R-Rsamtools
Cloning into '/var/lib/mock/f40-build-789286-135700/root/chroot_tmpdir/scmroot/R-Rsamtools'...
$ git fetch origin 1f50b67f260675d576f80ed3a5590f8923f93d08:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-Rsamtools
 * [new ref]         1f50b67f260675d576f80ed3a5590f8923f93d08 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1f50b67 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild