$ git clone -n https://src.fedoraproject.org/rpms/java-diff-utils.git /var/lib/mock/f42-build-3347393-45004/root/chroot_tmpdir/scmroot/java-diff-utils
Cloning into '/var/lib/mock/f42-build-3347393-45004/root/chroot_tmpdir/scmroot/java-diff-utils'...
$ git fetch origin ab148c776dcb254c10e9dbe3883212c4150052bd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/java-diff-utils
 * [new ref]         ab148c776dcb254c10e9dbe3883212c4150052bd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ab148c7 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild