$ git clone -n https://src.fedoraproject.org/rpms/rubygem-bootsnap.git /var/lib/mock/f40-build-2224099-52767/root/chroot_tmpdir/scmroot/rubygem-bootsnap
Cloning into '/var/lib/mock/f40-build-2224099-52767/root/chroot_tmpdir/scmroot/rubygem-bootsnap'...
$ git fetch origin 283a0659a56c3a314a6c46ed3791f24974438a5f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rubygem-bootsnap
 * [new ref]         283a0659a56c3a314a6c46ed3791f24974438a5f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 283a065 Rebuilt for https://fedoraproject.org/wiki/Changes/Ruby_3.3