$ git clone -n http://fedora.riscv.rocks:3000/rpms/webkitgtk.git /var/lib/mock/f42-build-861871-170470/root/chroot_tmpdir/scmroot/webkitgtk
Cloning into '/var/lib/mock/f42-build-861871-170470/root/chroot_tmpdir/scmroot/webkitgtk'...
$ git fetch origin 541dc4a4cb3beec0ad6be37803344ca63a611716:KOJI_FETCH_HEAD
From http://fedora.riscv.rocks:3000/rpms/webkitgtk
 * [new ref]         541dc4a4cb3beec0ad6be37803344ca63a611716 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 541dc4a Disable JIT