$ git clone -n https://src.fedoraproject.org/rpms/isoimagewriter.git /var/lib/mock/f40-build-1348851-23554/root/chroot_tmpdir/scmroot/isoimagewriter
Cloning into '/var/lib/mock/f40-build-1348851-23554/root/chroot_tmpdir/scmroot/isoimagewriter'...
$ git fetch origin a17a0cd45688b9089deeb574e6f18d9883cde569:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/isoimagewriter
 * [new ref]         a17a0cd45688b9089deeb574e6f18d9883cde569 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a17a0cd 24.05.0