$ git clone -n https://src.fedoraproject.org/rpms/kdebase3.git /var/lib/mock/f40-build-746881-112880/root/chroot_tmpdir/scmroot/kdebase3
Cloning into '/var/lib/mock/f40-build-746881-112880/root/chroot_tmpdir/scmroot/kdebase3'...
$ git fetch origin e5c175c131eac885b0760ac2ef08a1d20e1a9fb0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kdebase3
 * [new ref]         e5c175c131eac885b0760ac2ef08a1d20e1a9fb0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e5c175c Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild