$ git clone -n https://src.fedoraproject.org/rpms/kf6-ktextwidgets.git /var/lib/mock/f41-build-849378-164897/root/chroot_tmpdir/scmroot/kf6-ktextwidgets
Cloning into '/var/lib/mock/f41-build-849378-164897/root/chroot_tmpdir/scmroot/kf6-ktextwidgets'...
$ git fetch origin 6bd9aaef8148f2c0851478d36966f2f1b992813c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-ktextwidgets
 * [new ref]         6bd9aaef8148f2c0851478d36966f2f1b992813c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6bd9aae 6.6.0