$ git clone -n https://src.fedoraproject.org/rpms/kf6-ktexttemplate.git /var/lib/mock/f40-build-787146-134734/root/chroot_tmpdir/scmroot/kf6-ktexttemplate
Cloning into '/var/lib/mock/f40-build-787146-134734/root/chroot_tmpdir/scmroot/kf6-ktexttemplate'...
$ git fetch origin 49ad884b2383c37c92e48466457a266db68082d8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-ktexttemplate
 * [new ref]         49ad884b2383c37c92e48466457a266db68082d8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 49ad884 6.0.0