$ git clone -n https://src.fedoraproject.org/rpms/rsibreak.git /var/lib/mock/f39-build-1540568-36475/root/chroot_tmpdir/scmroot/rsibreak
Cloning into '/var/lib/mock/f39-build-1540568-36475/root/chroot_tmpdir/scmroot/rsibreak'...
$ git fetch origin 2060e2e30052ec5fbbcf84d07b7f40fdb2e80c70:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rsibreak
 * [new ref]         2060e2e30052ec5fbbcf84d07b7f40fdb2e80c70 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2060e2e Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild