$ git clone -n https://src.fedoraproject.org/rpms/bzip3.git /var/lib/mock/f42-build-867660-175703/root/chroot_tmpdir/scmroot/bzip3
Cloning into '/var/lib/mock/f42-build-867660-175703/root/chroot_tmpdir/scmroot/bzip3'...
$ git fetch origin f3505b0a5eb1487fcfab1f2d478b54662723c247:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/bzip3
 * [new ref]         f3505b0a5eb1487fcfab1f2d478b54662723c247 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f3505b0 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild