$ git clone -n https://src.fedoraproject.org/rpms/maven-doxia.git /var/lib/mock/f38-build-side-42-init-devel-581501-26058/root/chroot_tmpdir/scmroot/maven-doxia
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-581501-26058/root/chroot_tmpdir/scmroot/maven-doxia'...
$ git fetch origin aab961b5b873de6e421b76a2e1f6f0b953b6511c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/maven-doxia
 * [new ref]         aab961b5b873de6e421b76a2e1f6f0b953b6511c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at aab961b Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild