$ git clone -n https://src.fedoraproject.org/rpms/webkit2-sharp.git /var/lib/mock/f39-build-2468424-61444/root/chroot_tmpdir/scmroot/webkit2-sharp
Cloning into '/var/lib/mock/f39-build-2468424-61444/root/chroot_tmpdir/scmroot/webkit2-sharp'...
$ git fetch origin e67ef2133dc8bb4abb2a20895b2f221a867df4c5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/webkit2-sharp
 * [new ref]         e67ef2133dc8bb4abb2a20895b2f221a867df4c5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e67ef21 fix previous patch on suggestion in #2252635