$ git clone -n https://src.fedoraproject.org/rpms/gnome-text-editor.git /var/lib/mock/f40-build-802246-143969/root/chroot_tmpdir/scmroot/gnome-text-editor
Cloning into '/var/lib/mock/f40-build-802246-143969/root/chroot_tmpdir/scmroot/gnome-text-editor'...
$ git fetch origin d297baaebf19cadcfb9ef07b66db5b1f048297e2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gnome-text-editor
 * [new ref]         d297baaebf19cadcfb9ef07b66db5b1f048297e2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d297baa Update to 46.0