$ git clone -n https://src.fedoraproject.org/rpms/golang-x-text.git /var/lib/mock/f40-build-2241099-53661/root/chroot_tmpdir/scmroot/golang-x-text
Cloning into '/var/lib/mock/f40-build-2241099-53661/root/chroot_tmpdir/scmroot/golang-x-text'...
$ git fetch origin 2008c00ef3fc5466c53d881ddf657a87163a8e82:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-x-text
 * [new ref]         2008c00ef3fc5466c53d881ddf657a87163a8e82 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2008c00 update to v0.14.0, close rhbz#2248051