$ git clone -n https://src.fedoraproject.org/rpms/qt6-qtwebview.git /var/lib/mock/f39-build-2140978-50845/root/chroot_tmpdir/scmroot/qt6-qtwebview
Cloning into '/var/lib/mock/f39-build-2140978-50845/root/chroot_tmpdir/scmroot/qt6-qtwebview'...
$ git fetch origin 08614e29153e47e4198f9f410deff620f1c6fd34:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qt6-qtwebview
 * [new ref]         08614e29153e47e4198f9f410deff620f1c6fd34 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 08614e2 6.6.0