$ git clone -n http://fedora.riscv.rocks:3000/rpms/webkitgtk.git /var/lib/mock/f41-build-808096-145663/root/chroot_tmpdir/scmroot/webkitgtk
Cloning into '/var/lib/mock/f41-build-808096-145663/root/chroot_tmpdir/scmroot/webkitgtk'...
$ git fetch origin 6ce7c3d9072de2bac0489953e9d1e2667865e31b:KOJI_FETCH_HEAD
From http://fedora.riscv.rocks:3000/rpms/webkitgtk
 * [new ref]         6ce7c3d9072de2bac0489953e9d1e2667865e31b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6ce7c3d Disable JIT