A patch collection to save your Xcode

Cyandev

Last update: Dec 1, 2022

Related tags

Miscellaneous XcodePatch

Overview

Xcode Patch

Xcode is worst IDE I have ever used

Xcode 13.3 introduced a very annoying bug. When you type anything with Chinese IME in the LLDB console, the whole app freezes! I did some investigation and fixed this issue before Apple publishes the next release.

If you can't stand this issue either, this patch is gonna help you. But I highly recommend you to wait for the next release, because this approach will require you to re-sign your Xcode!

Instructions

1. Re-sign Xcode

There are many ways to re-sign Xcode. For example, I'm using a little Python script and it works pretty well. You can simply pick a method that you have been validated.

2. Validate Re-sign

Launch Xcode and try attaching it via LLDB. If it succeeded, everything is ok and keep going. Otherwise, you are not lucky today.

3. Compile the Patch

Open XcodePatch.xcodeproj and click the build button. Grab the produced libXcodePatch.dylib file and copy it to /usr/local/lib.

4. Inject the Patch

Now you need to make Xcode load the patch library. Here I will use Python with LIEF library.

If you haven't installed LIEF:

pip3 install lief

then execute the following script:

import lief

xcode = lief.parse("/path/to/Xcode.app/Contents/MacOS/Xcode")

patch_lib = lief.MachO.DylibCommand.weak_lib('/usr/local/lib/libXcodePatch.dylib')
xcode.add(patch_lib)

xcode.write("/path/to/Xcode.app/Contents/MacOS/Xcode")

5. Re-sign Xcode Again

Since you just modified the executable file of Xcode, you need to re-sign the bundle again. Don't worry, you had validated the possibility of self-signing Xcode earlier, just repeat the first step.

Future Directions

Make this repository a universal patch collection for Xcode.
A easy-to-use re-signing tool.

Known Issues

Re-signing Xcode will make Apple Developer accounts integration unable to work (as well as "Automatically manage signing").

Disclaimer

During your operations, Xcode can be broken and cannot be opened anymore. This is irrelevant to this repository. Please don't install this patch when you are urgent about doing your serious work or something.

This patch contains nothing malicious, read the code if you still have concern.

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Comments

Build error for iOS target

I run all step. can run Xcode. but not build iOS target

error: failed to read asset tags: The command `(cd /Users/hanson/Desktop/aaaabb && /Applications/Xcode.app/Contents/Developer/usr/bin/actool --print-asset-tag-combinations --output-format xml1 /Users/hanson/Desktop/aaaabb/aaaabb/Assets.xcassets)` terminated with uncaught signal 6. The command's standard error was:

dyld[8493]: Library not loaded: @rpath/AssetCatalogFoundation.framework/Versions/A/AssetCatalogFoundation
  Referenced from: /Applications/Xcode.app/Contents/Developer/usr/bin/ibtoold
  Reason: tried: '/Applications/Xcode.app/Contents/Developer/usr/bin/AssetCatalogFoundation.framework/Versions/A/AssetCatalogFoundation' (no such file), '/Applications/Xcode.app/Contents/Developer/usr/bin/../../../Frameworks/AssetCatalogFoundation.framework/Versions/A/AssetCatalogFoundation' (code signature in <4E25B0D6-C059-3B91-8642-F965732139D4> '/Applications/Xcode.app/Contents/Frameworks/AssetCatalogFoundation.framework/Versions/A/AssetCatalogFoundation' not valid for use in process: mapped file has no Team ID and is not a platform binary (signed with custom identity or adhoc?)), '/Applications/Xcode.app/Contents/Developer/usr/bin/../../../SharedFrameworks/AssetCatalogFoundation.framework/Versions/A/AssetCatalogFoundation' (no such file), '/Applications/Xcode.app/Contents/Developer/usr/bin/../../../PlugIns/AssetCatalogFoundation.framework/Versions/A/AssetCatalogFoundation' (no such file), '/Applications/Xcode.app/Contents/Developer/usr/bin/AssetCatalogFoundation.framework/Versions/A/AssetCatalogFoundation' (no such file), '/Applications/Xcode.app/Contents/Developer/usr/bin/../../../Frameworks/AssetCatalogFoundation.framework/Versions/A/AssetCatalogFoundation' (code signature in <4E25B0D6-C059-3B91-8642-F965732139D4> '/Applications/Xcode.app/Contents/Frameworks/AssetCatalogFoundation.framework/Versions/A/AssetCatalogFoundation' not valid for use in process: mapped file has no Team ID and is not a platform binary (signed with custom identity or adhoc?)), '/Applications/Xcode.app/Contents/Developer/usr/bin/../../../SharedFrameworks/AssetCatalogFoundation.framework/Versions/A/AssetCatalogFoundation' (no such file), '/Applications/Xcode.app/Contents/Developer/usr/bin/../../../PlugIns/AssetCatalogFoundation.framework/Versions/A/AssetCatalogFoundation' (no such file), '/Library/Frameworks/AssetCatalogFoundation.framework/Versions/A/AssetCatalogFoundation' (no such file), '/System/Library/Frameworks/AssetCatalogFoundation.framework/Versions/A/AssetCatalogFoundation' (no such file)
 (in target 'aaaabb' from project 'aaaabb')

opened by Hansoncoder 4

Fail to write binary file

In Step4, when I use python to execute the script. I got the result of 'Fail to write binary file'.

Lief already installed，and the path is correct.

How can I make it success?

(MacBook Pro (13-inch, M1, 2020) , xcode = xcode_fat.take(lief.MachO.CPU_TYPES.ARM64) )

opened by a724632952 3

Owner

Cyandev

An initiate of programming.

GitHub

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