$ git clone -n https://src.fedoraproject.org/rpms/qt5-qtscript.git /var/lib/mock/f39-build-1657506-40566/root/chroot_tmpdir/scmroot/qt5-qtscript
Cloning into '/var/lib/mock/f39-build-1657506-40566/root/chroot_tmpdir/scmroot/qt5-qtscript'...
$ git fetch origin a3043aa68476fdd119e846fe9e4f3af510c1ed3f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qt5-qtscript
 * [new ref]         a3043aa68476fdd119e846fe9e4f3af510c1ed3f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a3043aa 5.15.11