Prepare sectorbuilder for extraction

libsectorbuilder/cgo_bindings.go → binding/cgo_bindings.go

 // +build !windows
 
-package libsectorbuilder
+package sectorbuilder
 
 import (
 	"time"

libsectorbuilder/cgo_transforms.go → binding/cgo_transforms.go

-package libsectorbuilder
+package sectorbuilder
 
 import (
 	"unsafe"

build.sh

+#!/usr/bin/env bash
+
+set -Eeo pipefail
+
+cd "$(dirname "${BASH_SOURCE[0]}")"
+source "install-shared.bash"
+
+subm_dir="rust-fil-sector-builder"
+
+git submodule update --init --recursive $subm_dir
+
+if download_release_tarball tarball_path "${subm_dir}"; then
+    tmp_dir=$(mktemp -d)
+    tar -C $tmp_dir -xzf $tarball_path
+
+    cp -R "${tmp_dir}/include" .
+    cp -R "${tmp_dir}/lib" .
+else
+    echo "failed to find or obtain precompiled assets for ${subm_dir}, falling back to local build"
+    build_from_source "${subm_dir}"
+
+    mkdir -p include
+    mkdir -p lib/pkgconfig
+
+    find "${subm_dir}" -type f -name sector_builder_ffi.h -exec mv -- "{}" include/ \;
+    find "${subm_dir}" -type f -name libsector_builder_ffi.a -exec cp -- "{}" lib/ \;
+    find "${subm_dir}" -type f -name sector_builder_ffi.pc -exec cp -- "{}" pkgconfig/ \;
+fi
\ No newline at end of file

install-shared.bash

+#!/usr/bin/env bash
+
+download_release_tarball() {
+    __resultvar=$1
+    __submodule_path=$2
+    __repo_name=$(echo $2 | cut -d '/' -f 1)
+    __release_name="${__repo_name}-$(uname)"
+    __release_sha1=$(git rev-parse @:"${__submodule_path}")
+    __release_tag="${__release_sha1:0:16}"
+    __release_tag_url="https://api.github.com/repos/filecoin-project/${__repo_name}/releases/tags/${__release_tag}"
+
+    echo "acquiring release @ ${__release_tag}"
+
+    __release_response=$(curl \
+        --retry 3 \
+        --location $__release_tag_url)
+
+    __release_url=$(echo $__release_response | jq -r ".assets[] | select(.name | contains(\"${__release_name}\")) | .url")
+
+    if [[ -z "$__release_url" ]]; then
+        (>&2 echo "failed to download release (tag URL: ${__release_tag_url}, response: ${__release_response})")
+        return 1
+    fi
+
+    __tar_path="/tmp/${__release_name}_$(basename ${__release_url}).tar.gz"
+
+    if [[ ! -f "${__tar_path}" ]]; then
+        __asset_url=$(curl \
+            --head \
+            --retry 3 \
+            --header "Accept:application/octet-stream" \
+            --location \
+            --output /dev/null \
+            -w %{url_effective} \
+            "$__release_url")
+
+        curl --retry 3 --output "${__tar_path}" "$__asset_url"
+        if [[ $? -ne "0" ]]; then
+            (>&2 echo "failed to download release asset (tag URL: ${__release_tag_url}, asset URL: ${__asset_url})")
+            return 1
+        fi
+    fi
+
+    eval $__resultvar="'$__tar_path'"
+}
+
+build_from_source() {
+    __submodule_path=$1
+    __submodule_sha1=$(git rev-parse @:"${__submodule_path}")
+    __submodule_sha1_truncated="${__submodule_sha1:0:16}"
+
+    echo "building from source @ ${__submodule_sha1_truncated}"
+
+    if ! [ -x "$(command -v cargo)" ]; then
+        (>&2 echo 'Error: cargo is not installed.')
+        (>&2 echo 'Install Rust toolchain to resolve this problem.')
+        exit 1
+    fi
+
+    if ! [ -x "$(command -v rustup)" ]; then
+        (>&2 echo 'Error: rustup is not installed.')
+        (>&2 echo 'Install Rust toolchain installer to resolve this problem.')
+        exit 1
+    fi
+
+    pushd $__submodule_path
+
+    cargo --version
+    cargo update
+
+    if [[ -f "./scripts/build-release.sh" ]]; then
+        ./scripts/build-release.sh $(cat rust-toolchain)
+    else
+        cargo build --release --all
+    fi
+
+    popd
+}

rust-fil-sector-builder @ 394b5b1b

+Subproject commit 394b5b1bd87efbee6489a7d22dfb3b1dba697af0