$ git clone -n https://src.fedoraproject.org/rpms/fpc.git /var/lib/mock/f40-build-1915318-25086/root/chroot_tmpdir/scmroot/fpc
Cloning into '/var/lib/mock/f40-build-1915318-25086/root/chroot_tmpdir/scmroot/fpc'...
$ git fetch origin 4e9bf461f8a3c8ed99dd727b9049a90a045ba88d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fpc
 * [new ref]         4e9bf461f8a3c8ed99dd727b9049a90a045ba88d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4e9bf46 Add a patch to fix broken exceptions on aarch64