$ git clone -n https://src.fedoraproject.org/rpms/maim.git /var/lib/mock/f40-build-780087-130672/root/chroot_tmpdir/scmroot/maim
Cloning into '/var/lib/mock/f40-build-780087-130672/root/chroot_tmpdir/scmroot/maim'...
$ git fetch origin 430ab820ca37c3e6fcf8bd66733577d3ae7403a9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/maim
 * [new ref]         430ab820ca37c3e6fcf8bd66733577d3ae7403a9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 430ab82 Rebuild for ICU 74