$ git clone -n https://src.fedoraproject.org/rpms/R-DBItest.git /var/lib/mock/f40-build-2155848-50918/root/chroot_tmpdir/scmroot/R-DBItest
Cloning into '/var/lib/mock/f40-build-2155848-50918/root/chroot_tmpdir/scmroot/R-DBItest'...
$ git fetch origin 30faa2ab38b14c0acae833bcc663f52af7dc4061:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-DBItest
 * [new ref]         30faa2ab38b14c0acae833bcc663f52af7dc4061 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 30faa2a Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild