$ git clone -n https://src.fedoraproject.org/rpms/ccnet.git /var/lib/mock/f40-build-735279-106332/root/chroot_tmpdir/scmroot/ccnet
Cloning into '/var/lib/mock/f40-build-735279-106332/root/chroot_tmpdir/scmroot/ccnet'...
$ git fetch origin b76063e4b56e3713c60447ddb92134e7ddbc62ea:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ccnet
 * [new ref]         b76063e4b56e3713c60447ddb92134e7ddbc62ea -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b76063e Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild