$ git clone -n https://src.fedoraproject.org/rpms/python-jellyfish.git /var/lib/mock/f39-build-1560976-37349/root/chroot_tmpdir/scmroot/python-jellyfish
Cloning into '/var/lib/mock/f39-build-1560976-37349/root/chroot_tmpdir/scmroot/python-jellyfish'...
$ git fetch origin e74d39210d88ea7c68df104f0676abe14b013a1a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-jellyfish
 * [new ref]         e74d39210d88ea7c68df104f0676abe14b013a1a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e74d392 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild