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code/app/base-app/plugins/withAndroidSignature.js

@@ -0,0 +1,46 @@
+// plugins/withAndroidSignature.js
+
+const { withAppBuildGradle } = require("@expo/config-plugins");
+const fs = require("fs");
+const path = require("path");
+
+module.exports = function withAndroidSignature(config) {
+    return withAppBuildGradle(config, config => {
+        if (config.modResults.language === "groovy") {
+            config.modResults.contents = setAndroidSignature(config.modResults.contents);
+        } else {
+            throw new Error("如果不是 groovy，则无法在 app/build.gradle 中设置 signingConfigs");
+        }
+        return config;
+    });
+};
+
+function setAndroidSignature(appBuildGradle) {
+    if (!fs.existsSync(path.resolve(__dirname, "../credentials.json"))) {
+        console.warn("警告：没有设置正式版本的 Android Keystore 文件，因为 credentials.json 不存在。");
+        return appBuildGradle;
+    }
+    const info = JSON.parse(fs.readFileSync(path.resolve(__dirname, "../credentials.json"), { encoding: "utf8" }));
+
+    // 使用正则表达式插入签名信息
+    let output = appBuildGradle.replace(
+        /(signingConfigs\s*\{)/,
+        `$1
+        release {
+            storeFile file(${JSON.stringify(path.resolve(__dirname, "../credentials/android-release.keystore"))})
+            storePassword ${JSON.stringify(info.android.keystore.keystorePassword)}
+            keyAlias ${JSON.stringify(info.android.keystore.keyAlias)}
+            keyPassword ${JSON.stringify(info.android.keystore.keyPassword)}
+        }`,
+    );
+
+    // 使用正则表达式替换 signingConfig
+    output = output.replace(
+        /(release\s*\{)[^}]*?signingConfig\s+signingConfigs\.debug/s,
+        `$1
+            signingConfig signingConfigs.release
+`,
+    );
+
+    return output;
+}