$ git clone -n https://src.fedoraproject.org/rpms/isoimagewriter.git /var/lib/mock/f40-build-2237028-53529/root/chroot_tmpdir/scmroot/isoimagewriter
Cloning into '/var/lib/mock/f40-build-2237028-53529/root/chroot_tmpdir/scmroot/isoimagewriter'...
$ git fetch origin 107a1175b50553792a8631ca9719dcf266794349:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/isoimagewriter
 * [new ref]         107a1175b50553792a8631ca9719dcf266794349 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 107a117 24.01.90