$ git clone -n https://src.fedoraproject.org/rpms/qt6-qthttpserver.git /var/lib/mock/f42-build-3274684-41317/root/chroot_tmpdir/scmroot/qt6-qthttpserver
Cloning into '/var/lib/mock/f42-build-3274684-41317/root/chroot_tmpdir/scmroot/qt6-qthttpserver'...
$ git fetch origin 00dedbdc6ba2fa2901c213b47658d41e20a59cca:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qt6-qthttpserver
 * [new ref]         00dedbdc6ba2fa2901c213b47658d41e20a59cca -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 00dedbd 6.8.2