$ git clone -n https://src.fedoraproject.org/rpms/ktouch.git /var/lib/mock/f40-build-2241863-53669/root/chroot_tmpdir/scmroot/ktouch
Cloning into '/var/lib/mock/f40-build-2241863-53669/root/chroot_tmpdir/scmroot/ktouch'...
$ git fetch origin 3c0dd681e99b12da3895174e3c96a46eabec56a2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ktouch
 * [new ref]         3c0dd681e99b12da3895174e3c96a46eabec56a2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3c0dd68 24.01.90