feature for #125

add a flag to abort when something goes wrong

bin/bagbak.js

@@ -55,6 +55,7 @@ async function main() {
     .option('-d, --debug', 'enable debug output')
     .option('-r, --raw', 'dump raw app bundle to directory (no ipa)')
     .option('-o, --output <output>', 'ipa filename or directory to dump to')
+    .option('--abort-on-error', 'abort on error')
     .usage('[bundle id or name]')
     .version(await version());
 
@@ -139,7 +140,7 @@ async function main() {
       })
 
     const saved = program.raw ?
-      await job.dump(program.output || '.', program.force) :
+      await job.dump(program.output || '.', program.force, program.abortOnError) :
       await job.pack(program.output);
 
     console.log(`Saved to ${chalk.yellow(saved)}`);

index.js

@@ -125,9 +125,10 @@ export class BagBak extends EventEmitter {
    * dump raw app bundle to directory (no ipa)
    * @param {import("fs").PathLike} parent path
    * @param {boolean} override whether to override existing files
+   * @param {boolean} abortOnError whether to abort on error
    * @returns {Promise<string>}
    */
-  async dump(parent, override = false) {
+  async dump(parent, override = false, abortOnError = false) {
     if (!await directoryExists(parent))
       throw new Error('Output directory does not exist');
 
@@ -169,6 +170,8 @@ export class BagBak extends EventEmitter {
       try {
         pid = await this.#device.spawn(mainExecutable);
       } catch(e) {
+        if (abortOnError) throw e;
+
         console.error(`Failed to spawn executable at ${mainExecutable}, skipping...`);
         console.error(`Warning: Unable to dump ${dylibs.map(([path, _]) => path).join('\n')}`);
         continue;
@@ -183,6 +186,8 @@ export class BagBak extends EventEmitter {
       try {
         session = await this.#device.attach(pid);
       } catch(e) {
+        if (abortOnError) throw e;
+
         console.error(`Failed to attach to pid ${pid}, skipping...`);
         console.error(`Warning: Unable to dump ${dylibs.map(([path, _]) => path).join('\n')}`);
         continue;

package.json

@@ -1,6 +1,6 @@
 {
   "name": "bagbak",
-  "version": "3.0.26",
+  "version": "3.0.27",
   "description": "Dump iOS app from a jailbroken device, based on frida.re",
   "main": "index.js",
   "scripts": {