$ git clone -n https://src.fedoraproject.org/rpms/jaxb-api2.git /var/lib/mock/f40-build-2410461-60560/root/chroot_tmpdir/scmroot/jaxb-api2
Cloning into '/var/lib/mock/f40-build-2410461-60560/root/chroot_tmpdir/scmroot/jaxb-api2'...
$ git fetch origin 1ebc458b0367e1653ce6b4976b094643727f106e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/jaxb-api2
 * [new ref]         1ebc458b0367e1653ce6b4976b094643727f106e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1ebc458 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild