$ git clone -n https://src.fedoraproject.org/rpms/kf6-ktexttemplate.git /var/lib/mock/f45-build-15098-468/root/chroot_tmpdir/scmroot/kf6-ktexttemplate
Cloning into '/var/lib/mock/f45-build-15098-468/root/chroot_tmpdir/scmroot/kf6-ktexttemplate'...
$ git fetch origin bde6137b42aaf2e56fc671abab8293aceb5781a5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-ktexttemplate
 * [new ref]         bde6137b42aaf2e56fc671abab8293aceb5781a5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bde6137 6.31.0