$ git clone -n http://fedora.riscv.rocks:3000/rpms/webkitgtk.git /var/lib/mock/f40-build-788308-135101/root/chroot_tmpdir/scmroot/webkitgtk
Cloning into '/var/lib/mock/f40-build-788308-135101/root/chroot_tmpdir/scmroot/webkitgtk'...
$ git fetch origin 060e64c05fee15d6dd1014e8c9f81708f08450ad:KOJI_FETCH_HEAD
From http://fedora.riscv.rocks:3000/rpms/webkitgtk
 * [new ref]         060e64c05fee15d6dd1014e8c9f81708f08450ad -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 060e64c Reduce memory usage and disable JIT