$ git clone -n https://src.fedoraproject.org/rpms/libmicrodns.git /var/lib/mock/f42-build-883714-185431/root/chroot_tmpdir/scmroot/libmicrodns
Cloning into '/var/lib/mock/f42-build-883714-185431/root/chroot_tmpdir/scmroot/libmicrodns'...
$ git fetch origin e9db6b923969d499aa20867960c5ef5f123c4210:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libmicrodns
 * [new ref]         e9db6b923969d499aa20867960c5ef5f123c4210 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e9db6b9 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild