$ git clone -n http://fedora.riscv.rocks:3000/rpms/webkitgtk.git /var/lib/mock/f40-build-788312-135101/root/chroot_tmpdir/scmroot/webkitgtk
Cloning into '/var/lib/mock/f40-build-788312-135101/root/chroot_tmpdir/scmroot/webkitgtk'...
$ git fetch origin 1f82d70ae9a635bc3a87d7eb427006086d4675f8:KOJI_FETCH_HEAD
From http://fedora.riscv.rocks:3000/rpms/webkitgtk
 * [new ref]         1f82d70ae9a635bc3a87d7eb427006086d4675f8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1f82d70 Disable C Loop