$ git clone -n https://src.fedoraproject.org/rpms/bomber.git /var/lib/mock/f41-build-side-1-2656020-28431/root/chroot_tmpdir/scmroot/bomber
Cloning into '/var/lib/mock/f41-build-side-1-2656020-28431/root/chroot_tmpdir/scmroot/bomber'...
$ git fetch origin 1c6ff85f02e43cc5ef683109bbee18a46dd417ac:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/bomber
 * [new ref]         1c6ff85f02e43cc5ef683109bbee18a46dd417ac -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1c6ff85 24.08.0