chromium55 查找 aosp adnroid16 中 webview 的版本信息

根据 external/chromium-webview/Android.bp 的 release_package_webview_version

查找 grep -rn "soong_config_set.*webview.*release_package_webview_version" device/ vendor/ build/

得到 build/make/target/product/build_variables.mk:39:$(call soong_config_set, webview, release_package_webview_version, $(RELEASE_PACKAGE_WEBVIEW_VERSION))

再根据 RELEASE_PACKAGE_WEBVIEW_VERSION 查找 grep -rn "RELEASE_PACKAGE_WEBVIEW_VERSION" device/ build/

得到

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build/make/target/product/build_variables.mk:39:$(call soong_config_set, webview, release_package_webview_version, $(RELEASE_PACKAGE_WEBVIEW_VERSION))
build/release/flag_values/bp4a/RELEASE_PACKAGE_WEBVIEW_VERSION.textproto:1:name: "RELEASE_PACKAGE_WEBVIEW_VERSION"
build/release/flag_values/trunk_staging/RELEASE_PACKAGE_WEBVIEW_VERSION.textproto:1:name: "RELEASE_PACKAGE_WEBVIEW_VERSION"
build/release/flag_values/bp2a/RELEASE_PACKAGE_WEBVIEW_VERSION.textproto:1:name: "RELEASE_PACKAGE_WEBVIEW_VERSION"
build/release/flag_declarations/RELEASE_PACKAGE_WEBVIEW_VERSION.textproto:1:name: "RELEASE_PACKAGE_WEBVIEW_VERSION"

分析上面找到的文件，得到对应的版本信息，如果需要升级或者降级对应代码线的webview版本信息，修改如下配置文件即可

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cat build/release/flag_values/bp4a/RELEASE_PACKAGE_WEBVIEW_VERSION.textproto
name: "RELEASE_PACKAGE_WEBVIEW_VERSION"
value {
  string_value: "134.0.6998.135"
}

cat build/release/flag_values/trunk_staging/RELEASE_PACKAGE_WEBVIEW_VERSION.textproto
name: "RELEASE_PACKAGE_WEBVIEW_VERSION"
value {
  string_value: "140.0.7339.4"
}

cat build/release/flag_values/bp2a/RELEASE_PACKAGE_WEBVIEW_VERSION.textproto
name: "RELEASE_PACKAGE_WEBVIEW_VERSION"
value {
  string_value: "133.0.6943.137"
}

cat build/release/flag_declarations/RELEASE_PACKAGE_WEBVIEW_VERSION.textproto
name: "RELEASE_PACKAGE_WEBVIEW_VERSION"
namespace: "webview"
description: "The version of WebView to include in the build"
value: {
  string_value: "128.0.6613.88"
}
workflow: PREBUILT
containers: "product"
containers: "system"

# 修改前面对应的版本信息后，
# 在下面目录添加自己的编译版本即可
ls external/chromium-webview
128.0.6613.88   136.0.7103.35  140.0.7339.4    CleanSpec.mk   README.md
133.0.6943.137  136.0.7103.60  141.0.7366.2    METADATA       TEST_MAPPING
134.0.6998.135  138.0.7204.67  146.0.7680.183  prebuilt
136.0.7103.129  140.0.7339.15  Android.bp      PREUPLOAD.cfg