mirror of
https://github.com/openharmony/third_party_libnl.git
synced 2026-07-19 20:13:35 -04:00
Jinguang Dong
dae51a5a05
- Bug: #43 - Test: calculate the SHA256 checksum for the libnl upstream tarball and compare it with the upstream SHA256 value Signed-off-by: Jinguang Dong <dongjinguang@huawei.com>
216 lines
10 KiB
Bash
Executable File
216 lines
10 KiB
Bash
Executable File
#!/bin/bash
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# Copyright(c) 2026 Huawei Device Co., Ltd.
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# prepare.sh —— libnl 代码环境准备脚本（仅升级 libnl 时手动运行，构建期 BUILD.gn
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# 不调用本脚本）。
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#
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# 为区分「上游原始代码 / 构建环境产物 / OHOS 适配」三类变更，本脚本拆成三个阶段，
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# 每个阶段对应一次独立 git commit，便于源码可信追踪与后续升级：
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#
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# stage 1 upstream 清空 libnl/ 并解压纯上游源码树（无任何改动/生成物）
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# -> 提交 commit 1 [Import libnl <ver> upstream]
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# stage 2 build autogen + configure（产出 config.h/version.h）、flex/bison
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# 预生成语法文件、清理 autotools 中间产物
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# -> 提交 commit 2 [libnl <ver> build env (configure + grammars)]
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# stage 3 patch 应用 OHOS 适配 patch，并把（解决冲突后的）patch 归档到
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# archive/patches/ 供后续版本升级使用
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# -> 提交 commit 3 [libnl <ver> OHOS adaptation patch]
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#
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# 用法:
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# ./prepare.sh upstream [/path/to/libnl-<ver>.tar.gz] # 阶段1（省略路径时则从上游下载）
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# ./prepare.sh build # 阶段2
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# ./prepare.sh patch # 阶段3
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# ./prepare.sh all [/path/to/libnl-<ver>.tar.gz] # 一次性跑完（非升级快速搭建和验证）
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#
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# 依赖主机工具: tar, sha256sum, patch, flex, bison,
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# autoreconf(automake/autoconf/libtool), 以及下载场景的 curl/wget。
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# 这些工具仅本脚本需要，日常 gn/ninja 构建不需要。
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set -e
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SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
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cd "$SCRIPT_DIR"
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# ============ 升级时按实际情况更新以下变量 ============
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LIBNL_VERSION="3.11.0"
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UPSTREAM_URL="https://github.com/thom311/libnl/archive/refs/tags/libnl3_11_0.tar.gz"
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EXTRACTED_DIR="libnl-libnl3_11_0" # 上游归档解压后的顶层目录名
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PATCH_FILE="$SCRIPT_DIR/solve-oh-compile-problem3_11_0.patch"
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# ===============================================
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ARCHIVE_PATCH_DIR="$SCRIPT_DIR/archive/patches"
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die() { echo "[prepare] ERROR: $*" >&2; exit 1; }
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info() { echo "[prepare] $*"; }
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# ---------------------------------------------------------------------------
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# 阶段 1：清空 libnl/ 并解压纯上游源码树（不做任何修改/生成）
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# ---------------------------------------------------------------------------
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stage_upstream() {
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local arg="$1" tarball tmp=""
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if [ -n "$arg" ]; then
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tarball="$arg"
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[ -f "$tarball" ] || die "tarball not found: $tarball"
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else
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tmp="$(mktemp /tmp/libnl-src.XXXXXX.tar.gz)"
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tarball="$tmp"
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info "未指定 tarball，从上游下载: $UPSTREAM_URL"
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if command -v curl >/dev/null 2>&1; then
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curl -fL "$UPSTREAM_URL" -o "$tarball" || die "下载失败"
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elif command -v wget >/dev/null 2>&1; then
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wget -O "$tarball" "$UPSTREAM_URL" || die "下载失败"
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else
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die "需要 curl 或 wget 来下载 tarball；或显式传入本地 tarball 路径"
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fi
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fi
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# 对整个上游 tar 包计算一次 SHA256（标准 sha256sum 格式，单行、记录规范包名），
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# 随 commit 1 入库。用户可用同名 tar 包 `sha256sum -c` 复算，或直接与上游社区
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# 发布的 sha256sum 文件比对。
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mkdir -p archive
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local sums="archive/libnl-${LIBNL_VERSION}.sha256sums"
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local tarname
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tarname="$(basename "$UPSTREAM_URL")" # 规范 tar 包名（如 libnl3_11_0.tar.gz）
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printf '%s %s\n' "$(sha256sum "$tarball" | awk '{print $1}')" "$tarname" > "$sums"
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info "已生成上游整包 SHA256 -> $sums"
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info " 校验方式: 将上游 tar 包按 $tarname 命名后，在 archive/ 下执行"
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info " sha256sum -c libnl-${LIBNL_VERSION}.sha256sums"
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info " 或直接与上游社区发布的 sha256sum 文件比对该值。"
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info "清空 libnl/ 并解压纯上游源码树"
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rm -rf libnl "$EXTRACTED_DIR"
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tar xf "$tarball"
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[ -d "$EXTRACTED_DIR" ] || die "解压后未找到目录 $EXTRACTED_DIR"
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mv "$EXTRACTED_DIR" libnl
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[ -n "$tmp" ] && rm -f "$tmp"
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info "阶段1完成。请提交 commit 1（纯上游源码基线 + 整包 SHA256），例如："
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info " git add libnl/ \"$sums\" && git commit -m \"Import libnl ${LIBNL_VERSION} upstream\""
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}
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# ---------------------------------------------------------------------------
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# 阶段 2：autogen + configure + 语法预生成 + 清理 autotools 中间产物
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# ---------------------------------------------------------------------------
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stage_build() {
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[ -d libnl ] || die "未找到 libnl/，请先运行: ./prepare.sh upstream"
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cd libnl
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info "运行 autogen.sh + configure（产出 config.h / version.h）"
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./autogen.sh
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./configure
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info "flex/bison 预生成 4 组（共 8 个）语法文件"
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flex --header-file=lib/route/pktloc_grammar.h -o lib/route/pktloc_grammar.c lib/route/pktloc_grammar.l
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bison -y -d -o lib/route/pktloc_syntax.c lib/route/pktloc_syntax.y
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flex --header-file=lib/route/cls/ematch_grammar.h -o lib/route/cls/ematch_grammar.c lib/route/cls/ematch_grammar.l
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bison -y -d -o lib/route/cls/ematch_syntax.c lib/route/cls/ematch_syntax.y
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info "清理 autotools 中间产物（GN 构建不需要，且会泄漏主机路径）"
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rm -f config.status config.log libtool aclocal.m4 stamp-h1 configure
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rm -rf autom4te.cache build-aux
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rm -f libnl-*.pc
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find . -name 'Makefile' -delete
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find . -name 'Makefile.in' -delete
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find . -name '.dirstamp' -delete
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find . -name 'stamp-h1' -delete
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rm -f doc/configure doc/config.status doc/config.log
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rm -rf doc/autom4te.cache doc/build-aux
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# 以下为 autogen/configure 在源码树各处留下的其余生成物（均被上游 .gitignore 忽略，
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# 不会入库；此处物理删除以保证准备好的源码树 == 纯上游 + config.h/version.h/语法文件，
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# 便于与上游社区源码逐文件对比校验）：
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find . -type d -name '.deps' -exec rm -rf {} + 2>/dev/null || true # 依赖跟踪桩(.Plo)
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find . -name '*~' -delete # 备份文件(configure~ 等)
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rm -f include/config.h.in # autoheader 生成模板
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rm -f doc/Doxyfile doc/aclocal.m4 # doc 配置/autoreconf 产物
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rm -f m4/libtool.m4 m4/lt*.m4 # libtoolize 生成
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rm -f python/setup.py # configure 由 setup.py.in 生成
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cd "$SCRIPT_DIR"
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# 让上一步生成的 config.h/version.h/语法文件不再被 libnl 自带 .gitignore 忽略，
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# 从而能正常纳入 commit 2（属于「构建环境产物」而非 OHOS 源码适配）。
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unignore_prepared_files
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info "阶段2完成。请提交 commit 2（构建环境产物），例如："
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info " git add libnl/ && git commit -m \"libnl ${LIBNL_VERSION} build env (configure + grammars)\""
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}
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# 取消忽略提前生成的构建产物（精确整行匹配，避免正则转义问题）
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unignore_prepared_files() {
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local gi="libnl/.gitignore" line
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[ -f "$gi" ] || return 0
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for line in \
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'/include/config.h' \
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'/include/netlink/version.h' \
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'/lib/route/cls/ematch_grammar.[ch]' \
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'/lib/route/cls/ematch_syntax.[ch]' \
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'/lib/route/pktloc_grammar.c' \
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'/lib/route/pktloc_grammar.h' \
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'/lib/route/pktloc_syntax.c' \
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'/lib/route/pktloc_syntax.h'
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do
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awk -v t="$line" '{ if ($0==t) print "# (OHOS prepared, tracked) " $0; else print }' \
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"$gi" > "$gi.tmp" && mv "$gi.tmp" "$gi"
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done
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}
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# ---------------------------------------------------------------------------
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# 阶段 3：应用 OHOS 适配 patch，并归档（解决冲突后的）patch
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# ---------------------------------------------------------------------------
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stage_patch() {
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[ -d libnl ] || die "未找到 libnl/，请先运行: ./prepare.sh upstream && ./prepare.sh build"
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[ -f "$PATCH_FILE" ] || die "patch 不存在: $PATCH_FILE"
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info "应用 OHOS 适配 patch: $(basename "$PATCH_FILE")"
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info " （必须在 configure 之后：patch 会把 config.h 的 HAVE_STRERROR_L 等改为交叉编译正确值）"
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( cd libnl && patch -p1 < "$PATCH_FILE" --fuzz=0 --no-backup-if-mismatch ) \
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|| die "patch 应用失败：请手动解决冲突、更新 $(basename "$PATCH_FILE") 后重试"
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# 归档当前（解决冲突后的）patch，供后续版本升级参考复用
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mkdir -p "$ARCHIVE_PATCH_DIR"
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cp "$PATCH_FILE" "$ARCHIVE_PATCH_DIR/solve-oh-compile-problem-${LIBNL_VERSION}.patch"
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info "已归档 patch -> archive/patches/solve-oh-compile-problem-${LIBNL_VERSION}.patch"
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info "阶段3完成。请确认无 *.rej/*.orig 残留后提交 commit 3（OHOS 适配），例如："
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info " git add libnl/ archive/ && git commit -m \"libnl ${LIBNL_VERSION} OHOS adaptation patch\""
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}
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usage() {
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cat >&2 <<EOF
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用法:
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./prepare.sh upstream [/path/to/libnl-<ver>.tar.gz] # 阶段1：纯上游源码 -> commit 1
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./prepare.sh build # 阶段2：构建环境产物 -> commit 2
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./prepare.sh patch # 阶段3：OHOS 适配 patch -> commit 3
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./prepare.sh all [/path/to/libnl-<ver>.tar.gz] # 一次性跑完（非升级快速搭建）
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升级 libnl 时请按 upstream -> build -> patch 顺序运行，并在每阶段之间各提交一次
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独立 commit。详见 docs/UPGRADE_GUIDE.md。
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EOF
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exit 1
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}
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case "$1" in
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upstream) stage_upstream "$2" ;;
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build) stage_build ;;
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patch) stage_patch ;;
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all) stage_upstream "$2"; stage_build; stage_patch ;;
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-h|--help|help) usage ;;
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"") usage ;;
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*) die "未知子命令: $1（运行 ./prepare.sh --help 查看用法）" ;;
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esac
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