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Command line tools allow for easy installation of open source software or development on UNIX within Terminal.

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Slow incremental build times with xcodebuild command
When I compile my Xcode project using the xcodebuild command, I observe long incremental build durations. For example, compiling a new, empty project in Xcode only takes around one second. The same project takes 7 seconds to compile using the xcodebuild command. I've noticed that xcodebuild hangs at the "GatherProvisioningInputs" phase. Steps to Reproduce: Create a new Xcode project (iOS app template) Build the project in Xcode with timing summary enabled Build the same project from the command line with the following command: time xcodebuild -destination 'platform=iOS Simulator,name=iPhone 15 Pro,OS=latest' I would appreciate any insights or suggestions on how to improve the build times when using the xcodebuild command. Thank you in advance for your help!
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7
5.2k
Sep ’25
Orphaned 9GB Simulator Runtime in /System/Library/AssetsV2 - Cannot Delete (SIP protected)
I have an orphaned asset folder taking up 9.13GB located at: /System/Library/AssetsV2/com_apple_MobileAsset_iOSSimulatorRuntime/c0d3fd05106683ba0b3680d4d1afec65f098d700.asset It contains SimulatorRuntimeAsset version 18.5 (Build 22F77). Active Version: My current Xcode setup is using version 26.2 (Build 23C54). I checked the plist files in the directory and found what seems to be the cause of the issue: The "Never Collected" Flag: The Info.plist inside the orphaned asset folder explicitly sets the garbage collection behavior to "NeverCollected": <key>__AssetDefaultGarbageCollectionBehavior</key> <string>NeverCollected</string> The Catalog Mismatch: The master catalog file (com_apple_MobileAsset_iOSSimulatorRuntime.xml) in the parent directory only lists the new version (26.2). Because the old version (18.5) is missing from this XML, Xcode and mobileassetd seem to have lost track of it entirely. What I Have Tried (All Failed) Xcode Components: The version 18.5 does not appear in Settings -> Components, so I cannot delete it via the GUI. Simctl: xcrun simctl list runtimes does not list this version. Running xcrun simctl runtime delete 22F77 fails with: "No runtime disk images or bundles found matching '22F77'." Manual Deletion: sudo rm -rf [path] fails with "Operation not permitted", presumably because /System/Library/AssetsV2 is SIP-protected. Third-party Tools: Apps like DevCleaner do not detect this runtime (likely because they only scan ~/Library or /Library, not /System/Library). Has anyone found a way to force the system (perhaps via mobileassetd or a specific xcrun flag) to re-evaluate this folder and respect a deletion request? I am trying to avoid booting into Recovery Mode just to delete a cache file. Any insights on how AssetsV2 handles these "orphaned" files would be appreciated.
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842
6d
MacOS 15.4 removes rsync —log-file option?
I installed MacOS Sequoia 15.4 and now my backup script no longer works. My script is using rsync in this way: rsync -avz —delete —log-file=“$LOG_FILE” “$SRC_DIR” “$DEST_DIR” This has been working fine for a very long time. After updating to 15.4, this produces the error “rsync: unrecognized action —log-file=/users/admin/logs/backuplog_xxx.log”. The log file path is correct (and hasn’t changed). Interestingly, the man page for rsync no longer shows the —log-file as an option. I know I can use: rsync -avz —delete “$SRC_DIR” “$DEST_DIR” > “$LOG_FILE”` or even rsync -avz —delete “$SRC_DIR” “$DEST_DIR” > “$LOG_FILE” 2>&1` to also capture stderr. However, I liked the output from the built-In log option. Does anyone know why this might have been removed or if there is a way to get it back? Thanks.
7
2
1.2k
Jun ’25
installing a SMAppService based LaunchDaemon from the command line
our app has a helper to perform privileged operations. previously that helper was installed via SMJobBless() into the /Library/LaunchDaemons/ and /Library/PrivilegedHelperTools/ we also had a script that would install the helper from the command-line, which was essential for enterprise users that could not manually install the helper on all their employee's Macs. the script would copy the files to their install location and would use launchctl bootstrap system as the CLI alternative to SMJobBless(). the full script is here: https://pastebin.com/FkzuAWwV due to various issues with the old SMJobBless() approach we have ported to helper to the new SMAppService API where the helpers do not need to be installed but remain within the app bundle ( [[SMAppService daemonServiceWithPlistName:HELPER_PLIST_NAME] registerAndReturnError:&err] ) however, we are having trouble writing a (remote-capable) CLI script to bootstrap the new helper for those users that need to install the helper on many Macs at once. running the trivial sudo launchctl bootstrap system /Applications/MacUpdater.app/Contents/Library/LaunchDaemons/com.corecode.MacUpdaterPrivilegedInstallHelperTool2.plist would just result in a non-informative: Bootstrap failed: 5: Input/output error various other tries with launchctl bootstrap/kickstart/enable yielded nothing promising. so, whats the command-line way to install a SMAppService based helper daemon? obviously 'installing' means both 'registering' (which we do with registerAndReturnError in the GUI app) and 'approving' (which a GUI user needs to manually do by clicking on the notification or by going into System Settings). thanks in advance! p.s. we wanted to submit this as a DTS TSI, but those are no longer available without spending another day on a reduced sample projects. words fail me. p.p.s. bonus points for a CLI way to give FDA permissions to the app!
6
1
999
Jun ’25
Issue with Latest Commands Lines Tools 16.3 Update
After the Update of Latest Command Line Tools 16.3 I am facing issue to compile C++ programs. Like it is giving some kind of library error in the MACOSX15.sdk file and this is the error. In file included from /Library/Developer/CommandLineTools/SDKs/MacOSX15.sdk/usr/include/mach/machine/_structs.h:35, from /Library/Developer/CommandLineTools/SDKs/MacOSX15.sdk/usr/include/arm/_mcontext.h:36, from /Library/Developer/CommandLineTools/SDKs/MacOSX15.sdk/usr/include/machine/_mcontext.h:34, from /Library/Developer/CommandLineTools/SDKs/MacOSX15.sdk/usr/include/sys/signal.h:146, from /Library/Developer/CommandLineTools/SDKs/MacOSX15.sdk/usr/include/sys/wait.h:109, from /Library/Developer/CommandLineTools/SDKs/MacOSX15.sdk/usr/include/_stdlib.h:70, from /Library/Developer/CommandLineTools/SDKs/MacOSX15.sdk/usr/include/stdlib.h:58, from /opt/homebrew/Cellar/gcc/14.2.0_1/include/c++/14/cstdlib:79, from /opt/homebrew/Cellar/gcc/14.2.0_1/include/c++/14/stdlib.h:36, from /Library/Developer/CommandLineTools/SDKs/MacOSX15.sdk/usr/include/assert.h:44, from /opt/homebrew/Cellar/gcc/14.2.0_1/include/c++/14/cassert:44, from /opt/homebrew/Cellar/gcc/14.2.0_1/include/c++/14/aarch64-apple-darwin24/bits/stdc++.h:33, from 1.cpp:1: /Library/Developer/CommandLineTools/SDKs/MacOSX15.sdk/usr/include/mach/arm/_structs.h:627:35: error: expected primary-expression before 'unsigned' 627 | } __attribute__((aligned(_Alignof(unsigned int)))); | ^~~~~~~~ /Library/Developer/CommandLineTools/SDKs/MacOSX15.sdk/usr/include/mach/arm/_structs.h:627:26: error: '_Alignof' was not declared in this scope 627 | } __attribute__((aligned(_Alignof(unsigned int)))); | ^~~~~~~~ /Library/Developer/CommandLineTools/SDKs/MacOSX15.sdk/usr/include/mach/arm/_structs.h:633:35: error: expected primary-expression before 'unsigned' 633 | } __attribute__((aligned(_Alignof(unsigned int)))); | ^~~~~~~~ /Library/Developer/CommandLineTools/SDKs/MacOSX15.sdk/usr/include/mach/arm/_structs.h:633:26: error: '_Alignof' was not declared in this scope 633 | } __attribute__((aligned(_Alignof(unsigned int)))); | ^~~~~~~~ /Library/Developer/CommandLineTools/SDKs/MacOSX15.sdk/usr/include/mach/arm/_structs.h:639:35: error: expected primary-expression before 'unsigned' 639 | } __attribute__((aligned(_Alignof(unsigned int)))); | ^~~~~~~~ /Library/Developer/CommandLineTools/SDKs/MacOSX15.sdk/usr/include/mach/arm/_structs.h:639:26: error: '_Alignof' was not declared in this scope 639 | } __attribute__((aligned(_Alignof(unsigned int)))); | ^~~~~~~~ /Library/Developer/CommandLineTools/SDKs/MacOSX15.sdk/usr/include/mach/arm/_structs.h:645:35: error: expected primary-expression before 'unsigned' 645 | } __attribute__((aligned(_Alignof(unsigned int)))); | ^~~~~~~~ /Library/Developer/CommandLineTools/SDKs/MacOSX15.sdk/usr/include/mach/arm/_structs.h:645:26: error: '_Alignof' was not declared in this scope 645 | } __attribute__((aligned(_Alignof(unsigned int)))); But after downgrading the version to 16.2 it works fine. I can't understand that it's their any issue with Command Line Tools 16.3??
6
1
467
Apr ’25
NSTask-launch path not accessible
I'm trying to launch a command line app from my objective C application (sandboxed) using NSTask and I keep getting "launch path not accessible" Here is the path: [task setLaunchPath:@"/usr/local/bin/codeview"]; I have set the appropriate attributes for codeview and it is working perfectly when I use it from the command line and /usr/local/bin IS in the $PATH I know I have NSTask configured correctly because this WILL work: [task setLaunchPath:@"/usr/bin/hexdump"]; With the exception being that I'm using a command already in /usr/bin. But I can't copy codeview into /usr/bin due to SIPS. I've tried moving codeview to various other non-SIPS protected locations all to no avail. Must all NSTask commands come from /usr/bin? Where might I put codeview so that it can be launched. Today I'm going to use an older computer and disable SIPS to put my command in /usr/bin and see if that works. If it does. I will do it on my main machine.
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232
Apr ’25
Package created with pkgbuild installs zero-byte file
Just recently, any pkg file that I create with pkgbuild will install the Payload's application as a zero-byte file in the /Applications directory. This has been working for years without issue for me. Here are the commands I am using with company specific items replaced: pkgbuild --analyze --root MyApplicationRootDirectory standalone.plist plutil -replace BundleIsRelocatable -bool NO standalone.plist pkgbuild --identifier MyIdentifier --version 1.0 --install-location /Applications --root MyApplicationRootDirectory --component-plist standalone.plist --sign 'Developer ID Installer: MyCompany (MySignId)' --timestamp installer.pkg Any ideas on what could be causing the issue? I have verified the following: The application being added to the pkg is both signed and notarized using the correct Developer ID Application certificate. The resultant pkg file is both signed and notarized using the Developer ID Installer certificate. Verified the pkg contents using "pkgutil --expand" to dump the contents. Verified the pkg's Payload contents by extracting the data using "cat Payload | gunzip | cpio -1". This results in an application file that is a binary match for file added in the "pkgbuild --root" argument. My application is the only file within the directory passed to the "pkgbuild --root" argument. There are no warnings in the System Settings / Privacy & Security Panel when running the package installer. I have a valid Mac Developer account. I am building the application and the pkg file on the same computer. Thank you for any insight.
6
0
273
Dec ’25
Using devicectl to observe Darwin Notifications
Hello, I'm trying to use devicectl to observe Darwin Notifications on my iPhone. Instructions: OVERVIEW: Observe a Darwin notification on a device. Note that this command will wait for 300 seconds by default before exiting. You can override this by providing a different --timeout value. USAGE: devicectl device notification observe --device <uuid|ecid|udid|name> --name <name> ... [--verbose] [--quiet] [--timeout <seconds>] [--json-output <path>] [--log-output <path>] DEVICE OPTIONS: -d, --device <uuid|ecid|udid|name> The identifier, ECID, UDID, or name of the device. COMMAND OPTIONS: --name <name> The name of the Darwin notification. This can be passed multiple times to observe multiple Darwin notifications. OUTPUT OPTIONS: -v, --verbose If given, provide more logging output than normal. -q, --quiet If given, output will include only errors. -t, --timeout <seconds> The overall command timeout in seconds. If this limit is exceeded the command is abandoned as a failure. -j, --json-output <path> An optional path to write a JSON file with command results. Note: JSON output to a user-provided file on disk is the ONLY supported interface for scripts/programs to consume command output. -l, --log-output <path> An optional path to write all logging otherwise passed to stdout/stderr. OPTIONS: --version Show the version. -h, --help Show help information. Executed command: xcrun devicectl device notification observe --device XXX --name com.example.Notification Result: Darwin notification observation started. 300.0 seconds remaining: On iOS, I'm posting a Darwin notification using: CFNotificationCenterPostNotification(center, CFNotificationName("com.example.Notification" as CFString), nil, nil, true) My CFNotificationCenterAddObserver on iOS does receive this notification. But the devicectl does not. Also no results when I remove the observer on iOS. How can I send a notification in such a way that it is picked up by the devicectl observer?
4
0
1k
May ’25
`xcresulttool merge` broken on Xcode 26.1+
Opened a FB already (FB20928652) but wanted to check here if anybody has seen similar or has better workarounds. xcresulttool merge appears to crash immediately after launch in Xcode 26.1 (and in 26.2b1). It does so regardless of any inputs passed in; the crash appears to be during argument parsing before any other logic is run, so it's not contingent on inputs. Working example from 26.0.1 (passing in arbitrary strings for a minimum-reproducible-case, so we expect to see an error message) : % /Applications/Xcode-26.0.1.app/Contents/Developer/usr/bin/xcresulttool merge --output-path a b c Error: File or directory doesn't exist at path: b. Usage: xcresulttool <subcommand> See 'xcresulttool --help' for more information. The same example crashes in 26.1: /Applications/Xcode-26.1.0.app/Contents/Developer/usr/bin/xcresulttool merge --output-path a b c zsh: trace trap /Applications/Xcode-26.1.0.app/Contents/Developer/usr/bin/xcresulttool merge Again, this does crash in real use cases as well, the arbitrary strings are just for quick reproduction. The stack trace appears to be during argument parsing (which from a quick look, did indeed change between 26.0.1 and 26.1). On 26.1+, garbage data seemingly gets passed to AbsolutePath.init. * thread #1, queue = 'com.apple.main-thread', stop reason = breakpoint 1.1 * frame #0: 0x00000001002c6748 xcresulttool-26.1`normalize(absolute:) frame #1: 0x00000001002c6438 xcresulttool-26.1`AbsolutePath.init(_:) + 28 frame #2: 0x000000010005a2c0 xcresulttool-26.1`Merge.run() + 372 frame #3: 0x000000010005b180 xcresulttool-26.1`protocol witness for ParsableCommand.run() in conformance Merge + 12 frame #4: 0x000000010011d3e4 xcresulttool-26.1`dispatch thunk of ReadableStream.close() + 16 frame #5: 0x000000010000148c xcresulttool-26.1`main + 156 frame #6: 0x00000001804d5d54 dyld`start + 7184 The only workaround we've found is to keep using 26.0.1's copy of xcresulttool, though that's obviously not ideal.
4
6
950
Nov ’25
/usr/bin/shortcuts no longer works in 14.7.5 (23H527) ?
I've been using /usr/bin/shortcuts for various tasks (eg. Quicksilver uses it to list and run shortcuts), and after updating from 14.7.4 to 14.7.5 the tool gets killed on startup. Eg. here is what it looks like in my shell: ❯ shortcuts list zsh: killed shortcuts list (And this is regardless of whether I have "full disk access" or "developer tools" toggled on or off for iTerm.) Looking at system logs it seems like the binary is missing an entitlement, which causes MACF / Gatekeeper to throw a fit: 2025-04-12 18:38:48.847576 kernel: mac_vnode_check_signature: /usr/bin/shortcuts: code signature validation failed fatally: When validating /usr/bin/shortcuts: in-kernel: com.apple.shortcuts.ShortcutsCommandLine disallowed without com.apple.private.security.restricted-application-groups 2025-04-12 18:38:48.847582 kernel: validation of code signature failed through MACF policy: 1 2025-04-12 18:38:48.847583 kernel: check_signature[pid: 2475]: error = 1 2025-04-12 18:38:48.847587 kernel: proc 95761: load code signature error 4 for file "shortcuts" 2025-04-12 18:38:48.847613 kernel: exec_mach_imgact: not running binary "shortcuts" built against preview arm64e ABI 2025-04-12 18:38:48.855481 syspolicyd: (Security) SecTrustEvaluateIfNecessary 2025-04-12 18:38:48.857970 syspolicyd: [com.apple.syspolicy.exec:default] GK evaluateScanResult: 2, PST: (path: /usr/bin/shortcuts), (team: (null)), (id: (null)), (bundle_id: (null)), 0, 0, 1, 0, 1, 1, 0evaluateScanResult: 2, PST: (path: /usr/bin/shortcuts), (team: (null)), (id: (null)), (bundle_id: (null)), 0, 0, 1, 0, 1, 1, 0 I used Time Machine to compare the binary's entitlements between 14.7.4 and 14.7.5, and looks like in 14.7.5 /usr/bin/shortcuts indeed is missing the com.apple.private.security.restricted-application-groups entitlement that 14.7.4 had. The old binary had these two entitlements that the new one doesn't: [Key] com.apple.private.security.restricted-application-groups [Value] [Array] [String] group.com.apple.shortcuts [String] group.is.workflow.my.app [String] group.is.workflow.shortcuts [Key] com.apple.security.application-groups [Value] [Array] [String] group.com.apple.shortcuts [String] group.is.workflow.my.app [String] group.is.workflow.shortcuts Is there a sensible workaround for this (and by "sensible" I mean something that'd allow me to keep using the tool)? (I already asked this on the support forums but I figured I might as well ask here too)
3
0
224
Apr ’25
ba-package tool not available
Hi, I'm trying to setup background assets hosted on Apple servers. I currently have installed Xcode 16.4 and Xcode beta 4. I have also freshly installed the command line tools for both. When I run sudo xcode-select -s /Applications/Xcode.app/Contents/Developer xcrun ba-package template I get xcrun: error: sh -c '/Applications/Xcode.app/Contents/Developer/usr/bin/xcodebuild -sdk /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk -find ba-package 2> /dev/null' failed with exit code 17664: (null) (errno=No such file or directory) xcrun: error: unable to find utility "ba-package", not a developer tool or in PATH If I try to use Xcode beta 4: sudo xcode-select -s /Applications/Xcode-beta.app/Contents/Developer xcrun ba-package template I get: dyld[92926]: Library not loaded: /System/Library/PrivateFrameworks/ManagedBackgroundAssetsHelper.framework/Versions/A/ManagedBackgroundAssetsHelper Referenced from: <7F150064-45BF-31D7-BAFD-32911BB9F569> /Applications/Xcode-beta.app/Contents/Developer/usr/bin/ba-package Reason: tried: '/System/Library/PrivateFrameworks/ManagedBackgroundAssetsHelper.framework/Versions/A/ManagedBackgroundAssetsHelper' (no such file), '/System/Volumes/Preboot/Cryptexes/OS/System/Library/PrivateFrameworks/ManagedBackgroundAssetsHelper.framework/Versions/A/ManagedBackgroundAssetsHelper' (no such file), '/System/Library/PrivateFrameworks/ManagedBackgroundAssetsHelper.framework/Versions/A/ManagedBackgroundAssetsHelper' (no such file, not in dyld cache) [1] 92926 abort xcrun ba-package template Any tip?
3
0
321
Aug ’25
Activating application from Terminal occasionally fails on macOS 26
On macOS Tahoe 26 activating GUI apps from command-line often fails. It launches the app but not brings to the foreground as expected. For example, running the following commands in Terminal is expected to launch Pages and bring it to the foreground. open /Applications/Pages.app or osascript -e `tell application "Pages" to activate` Moreover, they sometimes not return in Terminal. These commands worked as expected until macOS 15 but no more in macOS 26. The tricky part is that this failure doesn't happen 100% of the time; it occurs randomly. However, since multiple users of my app have reported the same symptoms, and I can reproduce it not only with my app but also with apps bundled to macOS, I don't believe this is an issue specific to my environment alone. I’ve already filed this issue: FB21087054 Open version: https://github.com/1024jp/AppleFeedback/issues/87 However, I’d like to know if any workaround exists or my understanding is wrong, especially for case with osascript.
3
1
443
Nov ’25
CommandLineTools SDK error: conflicting types for 'MPG_PAYLOAD
building gcc14-libgcc14 using Macports + Apple clang returns following error In file included from /Library/Developer/CommandLineTools/SDKs/MacOSX26.sdk/usr/include/mach/message.h:78, from /Library/Developer/CommandLineTools/SDKs/MacOSX26.sdk/usr/include/mach/arm/thread_status.h:40, from /Library/Developer/CommandLineTools/SDKs/MacOSX26.sdk/usr/include/mach/machine/thread_status.h:35, from /Library/Developer/CommandLineTools/SDKs/MacOSX26.sdk/usr/include/mach-o/loader.h:52, from /Library/Developer/CommandLineTools/SDKs/MacOSX26.sdk/usr/include/mach-o/dyld.h:30, from /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_lang_gcc14/libgcc14/work/gcc-14.2.0/libgcc/config/darwin-crt-tm.c:29: /Library/Developer/CommandLineTools/SDKs/MacOSX26.sdk/usr/include/mach/port.h:510:1: error: conflicting types for 'MPG_PAYLOAD'; have 'uint64_t(uint8_t, uint32_t, uint32_t)' {aka 'long long unsigned int(unsigned char, unsigned int, unsigned int)'} 510 | MPG_PAYLOAD(uint8_t flag, uint32_t a, uint32_t b) | ^~~~~~~~~~~ /Library/Developer/CommandLineTools/SDKs/MacOSX26.sdk/usr/include/mach/port.h:498:1: note: previous definition of 'MPG_PAYLOAD' with type 'uint64_t(uint8_t, uint32_t)' {aka 'long long unsigned int(unsigned char, unsigned int)'} 498 | MPG_PAYLOAD(uint8_t flag, uint32_t a) | ^~~~~~~~~~~ /Library/Developer/CommandLineTools/SDKs/MacOSX26.sdk/usr/include/mach/port.h:523:1: error: conflicting types for 'MPG_PAYLOAD'; have 'uint64_t(uint8_t, uint32_t, uint16_t, uint16_t)' {aka 'long long unsigned int(unsigned char, unsigned int, short unsigned int, short unsigned int)'} 523 | MPG_PAYLOAD(uint8_t flag, uint32_t a, uint16_t b, uint16_t c) | ^~~~~~~~~~~ /Library/Developer/CommandLineTools/SDKs/MacOSX26.sdk/usr/include/mach/port.h:498:1: note: previous definition of 'MPG_PAYLOAD' with type 'uint64_t(uint8_t, uint32_t)' {aka 'long long unsigned int(unsigned char, unsigned int)'} 498 | MPG_PAYLOAD(uint8_t flag, uint32_t a) libgcxx compiles fine if forcing compile using clang20/clang19 there is no error.
2
1
283
Jun ’25
Attach a debugger to app launched via `devicectrl`
With the latest (26) version of Apple's developer tools, is there a way to manually attach a debugger (other than lldb) to an iOS app launched with "devicectl device process launch --start-stopped"? In the past, this was possible via the ios-deploy third-party tool (now defunct), which provided a debugserver port. This information is notably missing when using devicectrl – although the process ID of the launch process is provided, and the tool is clearly aimed at letting you launch and attach to processes from the command line. lldb can, of course, attach via its built-in support for this using the device set of commands. But I'm explicitly looking for a way to attach my own debugger via the GDB-compatible debug proxy.
2
0
202
Oct ’25
Terminal Command to get the same file count as Get Info in finder
Hi All, I am looking for a terminal command to get the exact same output as the file count you recieve when using Get Info in finder. The closest i can get is using the find command with flags: find 'path/to/folder' -not -path '*/\.*' -and -not -path '*\.key/*' -and -not -path '*\.numbers/*' -and -not -path '*\.pages/*' -and -not -path '*__MACOSX/*' -and -not -path '*\.pdf/*' -and -not -path '*\.app/*' -and -not -path '*\.rtfd/*' | wc -l I will be searching on an external volume that sometimes produces keynote save files that finder sometimes sees as a package and sometimes sees as a folder. If a folder finder counts the items contained if a package it doesn't, I need the command or script to mimic this behaviour. In the example of the screenshot get info on the top folder produces a count of 14 and the find command produces a count of 23. There are also other behaviours that differ the file count between them but i'm not sure what causes them. Any help on a solution it being a command or script would be much apreciated. Thanks, James
1
0
228
May ’25
Xcodebuild does not find any simulators
I am trying to integrate fastlane, which relies on xcodebuild. So this is my first experience with xcodebuild. Whenever I run a command to test or build the target in the folder where all the files of the project are stored, the action failes with Unable to find a device matching the provided destination specifier For example I might be running this command: xcodebuild \ -project Hoerspielzentrale.xcodeproj \ -scheme HoerspielzentraleUITests \ -destination 'platform=iOS Simulator,name="Screenshot Simulator”' \ test However the mentioned error is returned: xcodebuild: error: Unable to find a device matching the provided destination specifier: { platform:iOS Simulator, OS:latest, name:"Screenshot Simulator” } The requested device could not be found because no available devices matched the request. I can confirm that the simulator exists, is available and it can be booted. I have tried different simulators, different schemas, referencing them by their identifier, switching Xcode Versions, reset all simulators, derived data and build folder. After the error a complete list of all available destinations can be found, where I can see the simulator I try to use. Available destinations for the "HoerspielzentraleUITests" scheme: { platform:iOS, id:dvtdevice-DVTiPhonePlaceholder-iphoneos:placeholder, name:Any iOS Device } { platform:iOS Simulator, id:dvtdevice-DVTiOSDeviceSimulatorPlaceholder-iphonesimulator:placeholder, name:Any iOS Simulator Device } { platform:iOS Simulator, id:961DC569-9931-419A-B46E-769AAFA73EA2, OS:18.5, name:Screenshot Simulator } { platform:iOS Simulator, id:961DC569-9931-419A-B46E-769AAFA73EA2, OS:18.5, name:Screenshot Simulator } { platform:iOS Simulator, id:5E51FD98-C451-472F-9CDE-08D49E6B737B, OS:18.5, name:Screenshot Simulator Pro } { platform:iOS Simulator, id:5E51FD98-C451-472F-9CDE-08D49E6B737B, OS:18.5, name:Screenshot Simulator Pro } The rest of the list was omitted. I am currently completely stuck. Thank you
1
0
231
Jul ’25
Customization in Swift ArgumentParser's help command and error output
Hello I want to implement customisation to swift argumentparser, Here are following changes want to do it in my cli changing default footer present in help command output currently help command output coming like this OVERVIEW: clisample USAGE: clisample <subcommand> OPTIONS: --version show the version. -h, --help show the help. SUBCOMMANDS: logs (default) Export logs for clisample processes. See 'clisample --help' for more information.' so instead of See 'clisample --help' for more information.' I want my own string For more details, run 'clisample help <subcommand>' customise error string getting from validation error Error: Missing value for '-t <time>' Help: -t <time> Time window (e.g. 10h, 30m, 2d). Usage: clisample logs --time <time> See 'clisample logs --help' for more information. so I want error output with example and customised footer, like this Error: Missing value for '-t <time>' Help: -t <time> Time window (e.g. 10h, 30m, 2d). Usage: clisample logs --time <time> Example: clisample logs -t 5m For more details, run 'clisample help <subcommand>' Is this changes possible from anyway?
1
0
809
Sep ’25
Slow incremental build times with xcodebuild command
When I compile my Xcode project using the xcodebuild command, I observe long incremental build durations. For example, compiling a new, empty project in Xcode only takes around one second. The same project takes 7 seconds to compile using the xcodebuild command. I've noticed that xcodebuild hangs at the "GatherProvisioningInputs" phase. Steps to Reproduce: Create a new Xcode project (iOS app template) Build the project in Xcode with timing summary enabled Build the same project from the command line with the following command: time xcodebuild -destination 'platform=iOS Simulator,name=iPhone 15 Pro,OS=latest' I would appreciate any insights or suggestions on how to improve the build times when using the xcodebuild command. Thank you in advance for your help!
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5.2k
Activity
Sep ’25
Orphaned 9GB Simulator Runtime in /System/Library/AssetsV2 - Cannot Delete (SIP protected)
I have an orphaned asset folder taking up 9.13GB located at: /System/Library/AssetsV2/com_apple_MobileAsset_iOSSimulatorRuntime/c0d3fd05106683ba0b3680d4d1afec65f098d700.asset It contains SimulatorRuntimeAsset version 18.5 (Build 22F77). Active Version: My current Xcode setup is using version 26.2 (Build 23C54). I checked the plist files in the directory and found what seems to be the cause of the issue: The "Never Collected" Flag: The Info.plist inside the orphaned asset folder explicitly sets the garbage collection behavior to "NeverCollected": <key>__AssetDefaultGarbageCollectionBehavior</key> <string>NeverCollected</string> The Catalog Mismatch: The master catalog file (com_apple_MobileAsset_iOSSimulatorRuntime.xml) in the parent directory only lists the new version (26.2). Because the old version (18.5) is missing from this XML, Xcode and mobileassetd seem to have lost track of it entirely. What I Have Tried (All Failed) Xcode Components: The version 18.5 does not appear in Settings -> Components, so I cannot delete it via the GUI. Simctl: xcrun simctl list runtimes does not list this version. Running xcrun simctl runtime delete 22F77 fails with: "No runtime disk images or bundles found matching '22F77'." Manual Deletion: sudo rm -rf [path] fails with "Operation not permitted", presumably because /System/Library/AssetsV2 is SIP-protected. Third-party Tools: Apps like DevCleaner do not detect this runtime (likely because they only scan ~/Library or /Library, not /System/Library). Has anyone found a way to force the system (perhaps via mobileassetd or a specific xcrun flag) to re-evaluate this folder and respect a deletion request? I am trying to avoid booting into Recovery Mode just to delete a cache file. Any insights on how AssetsV2 handles these "orphaned" files would be appreciated.
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9
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842
Activity
6d
MacOS 15.4 removes rsync —log-file option?
I installed MacOS Sequoia 15.4 and now my backup script no longer works. My script is using rsync in this way: rsync -avz —delete —log-file=“$LOG_FILE” “$SRC_DIR” “$DEST_DIR” This has been working fine for a very long time. After updating to 15.4, this produces the error “rsync: unrecognized action —log-file=/users/admin/logs/backuplog_xxx.log”. The log file path is correct (and hasn’t changed). Interestingly, the man page for rsync no longer shows the —log-file as an option. I know I can use: rsync -avz —delete “$SRC_DIR” “$DEST_DIR” > “$LOG_FILE”` or even rsync -avz —delete “$SRC_DIR” “$DEST_DIR” > “$LOG_FILE” 2>&1` to also capture stderr. However, I liked the output from the built-In log option. Does anyone know why this might have been removed or if there is a way to get it back? Thanks.
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7
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2
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1.2k
Activity
Jun ’25
installing a SMAppService based LaunchDaemon from the command line
our app has a helper to perform privileged operations. previously that helper was installed via SMJobBless() into the /Library/LaunchDaemons/ and /Library/PrivilegedHelperTools/ we also had a script that would install the helper from the command-line, which was essential for enterprise users that could not manually install the helper on all their employee's Macs. the script would copy the files to their install location and would use launchctl bootstrap system as the CLI alternative to SMJobBless(). the full script is here: https://pastebin.com/FkzuAWwV due to various issues with the old SMJobBless() approach we have ported to helper to the new SMAppService API where the helpers do not need to be installed but remain within the app bundle ( [[SMAppService daemonServiceWithPlistName:HELPER_PLIST_NAME] registerAndReturnError:&err] ) however, we are having trouble writing a (remote-capable) CLI script to bootstrap the new helper for those users that need to install the helper on many Macs at once. running the trivial sudo launchctl bootstrap system /Applications/MacUpdater.app/Contents/Library/LaunchDaemons/com.corecode.MacUpdaterPrivilegedInstallHelperTool2.plist would just result in a non-informative: Bootstrap failed: 5: Input/output error various other tries with launchctl bootstrap/kickstart/enable yielded nothing promising. so, whats the command-line way to install a SMAppService based helper daemon? obviously 'installing' means both 'registering' (which we do with registerAndReturnError in the GUI app) and 'approving' (which a GUI user needs to manually do by clicking on the notification or by going into System Settings). thanks in advance! p.s. we wanted to submit this as a DTS TSI, but those are no longer available without spending another day on a reduced sample projects. words fail me. p.p.s. bonus points for a CLI way to give FDA permissions to the app!
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6
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1
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999
Activity
Jun ’25
Issue with Latest Commands Lines Tools 16.3 Update
After the Update of Latest Command Line Tools 16.3 I am facing issue to compile C++ programs. Like it is giving some kind of library error in the MACOSX15.sdk file and this is the error. In file included from /Library/Developer/CommandLineTools/SDKs/MacOSX15.sdk/usr/include/mach/machine/_structs.h:35, from /Library/Developer/CommandLineTools/SDKs/MacOSX15.sdk/usr/include/arm/_mcontext.h:36, from /Library/Developer/CommandLineTools/SDKs/MacOSX15.sdk/usr/include/machine/_mcontext.h:34, from /Library/Developer/CommandLineTools/SDKs/MacOSX15.sdk/usr/include/sys/signal.h:146, from /Library/Developer/CommandLineTools/SDKs/MacOSX15.sdk/usr/include/sys/wait.h:109, from /Library/Developer/CommandLineTools/SDKs/MacOSX15.sdk/usr/include/_stdlib.h:70, from /Library/Developer/CommandLineTools/SDKs/MacOSX15.sdk/usr/include/stdlib.h:58, from /opt/homebrew/Cellar/gcc/14.2.0_1/include/c++/14/cstdlib:79, from /opt/homebrew/Cellar/gcc/14.2.0_1/include/c++/14/stdlib.h:36, from /Library/Developer/CommandLineTools/SDKs/MacOSX15.sdk/usr/include/assert.h:44, from /opt/homebrew/Cellar/gcc/14.2.0_1/include/c++/14/cassert:44, from /opt/homebrew/Cellar/gcc/14.2.0_1/include/c++/14/aarch64-apple-darwin24/bits/stdc++.h:33, from 1.cpp:1: /Library/Developer/CommandLineTools/SDKs/MacOSX15.sdk/usr/include/mach/arm/_structs.h:627:35: error: expected primary-expression before 'unsigned' 627 | } __attribute__((aligned(_Alignof(unsigned int)))); | ^~~~~~~~ /Library/Developer/CommandLineTools/SDKs/MacOSX15.sdk/usr/include/mach/arm/_structs.h:627:26: error: '_Alignof' was not declared in this scope 627 | } __attribute__((aligned(_Alignof(unsigned int)))); | ^~~~~~~~ /Library/Developer/CommandLineTools/SDKs/MacOSX15.sdk/usr/include/mach/arm/_structs.h:633:35: error: expected primary-expression before 'unsigned' 633 | } __attribute__((aligned(_Alignof(unsigned int)))); | ^~~~~~~~ /Library/Developer/CommandLineTools/SDKs/MacOSX15.sdk/usr/include/mach/arm/_structs.h:633:26: error: '_Alignof' was not declared in this scope 633 | } __attribute__((aligned(_Alignof(unsigned int)))); | ^~~~~~~~ /Library/Developer/CommandLineTools/SDKs/MacOSX15.sdk/usr/include/mach/arm/_structs.h:639:35: error: expected primary-expression before 'unsigned' 639 | } __attribute__((aligned(_Alignof(unsigned int)))); | ^~~~~~~~ /Library/Developer/CommandLineTools/SDKs/MacOSX15.sdk/usr/include/mach/arm/_structs.h:639:26: error: '_Alignof' was not declared in this scope 639 | } __attribute__((aligned(_Alignof(unsigned int)))); | ^~~~~~~~ /Library/Developer/CommandLineTools/SDKs/MacOSX15.sdk/usr/include/mach/arm/_structs.h:645:35: error: expected primary-expression before 'unsigned' 645 | } __attribute__((aligned(_Alignof(unsigned int)))); | ^~~~~~~~ /Library/Developer/CommandLineTools/SDKs/MacOSX15.sdk/usr/include/mach/arm/_structs.h:645:26: error: '_Alignof' was not declared in this scope 645 | } __attribute__((aligned(_Alignof(unsigned int)))); But after downgrading the version to 16.2 it works fine. I can't understand that it's their any issue with Command Line Tools 16.3??
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6
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467
Activity
Apr ’25
NSTask-launch path not accessible
I'm trying to launch a command line app from my objective C application (sandboxed) using NSTask and I keep getting "launch path not accessible" Here is the path: [task setLaunchPath:@"/usr/local/bin/codeview"]; I have set the appropriate attributes for codeview and it is working perfectly when I use it from the command line and /usr/local/bin IS in the $PATH I know I have NSTask configured correctly because this WILL work: [task setLaunchPath:@"/usr/bin/hexdump"]; With the exception being that I'm using a command already in /usr/bin. But I can't copy codeview into /usr/bin due to SIPS. I've tried moving codeview to various other non-SIPS protected locations all to no avail. Must all NSTask commands come from /usr/bin? Where might I put codeview so that it can be launched. Today I'm going to use an older computer and disable SIPS to put my command in /usr/bin and see if that works. If it does. I will do it on my main machine.
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232
Activity
Apr ’25
Package created with pkgbuild installs zero-byte file
Just recently, any pkg file that I create with pkgbuild will install the Payload's application as a zero-byte file in the /Applications directory. This has been working for years without issue for me. Here are the commands I am using with company specific items replaced: pkgbuild --analyze --root MyApplicationRootDirectory standalone.plist plutil -replace BundleIsRelocatable -bool NO standalone.plist pkgbuild --identifier MyIdentifier --version 1.0 --install-location /Applications --root MyApplicationRootDirectory --component-plist standalone.plist --sign 'Developer ID Installer: MyCompany (MySignId)' --timestamp installer.pkg Any ideas on what could be causing the issue? I have verified the following: The application being added to the pkg is both signed and notarized using the correct Developer ID Application certificate. The resultant pkg file is both signed and notarized using the Developer ID Installer certificate. Verified the pkg contents using "pkgutil --expand" to dump the contents. Verified the pkg's Payload contents by extracting the data using "cat Payload | gunzip | cpio -1". This results in an application file that is a binary match for file added in the "pkgbuild --root" argument. My application is the only file within the directory passed to the "pkgbuild --root" argument. There are no warnings in the System Settings / Privacy & Security Panel when running the package installer. I have a valid Mac Developer account. I am building the application and the pkg file on the same computer. Thank you for any insight.
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273
Activity
Dec ’25
Using devicectl to observe Darwin Notifications
Hello, I'm trying to use devicectl to observe Darwin Notifications on my iPhone. Instructions: OVERVIEW: Observe a Darwin notification on a device. Note that this command will wait for 300 seconds by default before exiting. You can override this by providing a different --timeout value. USAGE: devicectl device notification observe --device <uuid|ecid|udid|name> --name <name> ... [--verbose] [--quiet] [--timeout <seconds>] [--json-output <path>] [--log-output <path>] DEVICE OPTIONS: -d, --device <uuid|ecid|udid|name> The identifier, ECID, UDID, or name of the device. COMMAND OPTIONS: --name <name> The name of the Darwin notification. This can be passed multiple times to observe multiple Darwin notifications. OUTPUT OPTIONS: -v, --verbose If given, provide more logging output than normal. -q, --quiet If given, output will include only errors. -t, --timeout <seconds> The overall command timeout in seconds. If this limit is exceeded the command is abandoned as a failure. -j, --json-output <path> An optional path to write a JSON file with command results. Note: JSON output to a user-provided file on disk is the ONLY supported interface for scripts/programs to consume command output. -l, --log-output <path> An optional path to write all logging otherwise passed to stdout/stderr. OPTIONS: --version Show the version. -h, --help Show help information. Executed command: xcrun devicectl device notification observe --device XXX --name com.example.Notification Result: Darwin notification observation started. 300.0 seconds remaining: On iOS, I'm posting a Darwin notification using: CFNotificationCenterPostNotification(center, CFNotificationName("com.example.Notification" as CFString), nil, nil, true) My CFNotificationCenterAddObserver on iOS does receive this notification. But the devicectl does not. Also no results when I remove the observer on iOS. How can I send a notification in such a way that it is picked up by the devicectl observer?
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4
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1k
Activity
May ’25
Xcode opens multiple Terminal windows when running app
Whenever I run anything in xcode it opens an extra terminal that runs the program then exits immediately, but the app still runs through the normal xcode launch. It's not a huge issue but It's getting really annoying to realize I have like 7 windows of terminal open that are just doing nothing. Has anyone had this issue before?
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499
Activity
Jun ’25
`xcresulttool merge` broken on Xcode 26.1+
Opened a FB already (FB20928652) but wanted to check here if anybody has seen similar or has better workarounds. xcresulttool merge appears to crash immediately after launch in Xcode 26.1 (and in 26.2b1). It does so regardless of any inputs passed in; the crash appears to be during argument parsing before any other logic is run, so it's not contingent on inputs. Working example from 26.0.1 (passing in arbitrary strings for a minimum-reproducible-case, so we expect to see an error message) : % /Applications/Xcode-26.0.1.app/Contents/Developer/usr/bin/xcresulttool merge --output-path a b c Error: File or directory doesn't exist at path: b. Usage: xcresulttool <subcommand> See 'xcresulttool --help' for more information. The same example crashes in 26.1: /Applications/Xcode-26.1.0.app/Contents/Developer/usr/bin/xcresulttool merge --output-path a b c zsh: trace trap /Applications/Xcode-26.1.0.app/Contents/Developer/usr/bin/xcresulttool merge Again, this does crash in real use cases as well, the arbitrary strings are just for quick reproduction. The stack trace appears to be during argument parsing (which from a quick look, did indeed change between 26.0.1 and 26.1). On 26.1+, garbage data seemingly gets passed to AbsolutePath.init. * thread #1, queue = 'com.apple.main-thread', stop reason = breakpoint 1.1 * frame #0: 0x00000001002c6748 xcresulttool-26.1`normalize(absolute:) frame #1: 0x00000001002c6438 xcresulttool-26.1`AbsolutePath.init(_:) + 28 frame #2: 0x000000010005a2c0 xcresulttool-26.1`Merge.run() + 372 frame #3: 0x000000010005b180 xcresulttool-26.1`protocol witness for ParsableCommand.run() in conformance Merge + 12 frame #4: 0x000000010011d3e4 xcresulttool-26.1`dispatch thunk of ReadableStream.close() + 16 frame #5: 0x000000010000148c xcresulttool-26.1`main + 156 frame #6: 0x00000001804d5d54 dyld`start + 7184 The only workaround we've found is to keep using 26.0.1's copy of xcresulttool, though that's obviously not ideal.
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950
Activity
Nov ’25
/usr/bin/shortcuts no longer works in 14.7.5 (23H527) ?
I've been using /usr/bin/shortcuts for various tasks (eg. Quicksilver uses it to list and run shortcuts), and after updating from 14.7.4 to 14.7.5 the tool gets killed on startup. Eg. here is what it looks like in my shell: ❯ shortcuts list zsh: killed shortcuts list (And this is regardless of whether I have "full disk access" or "developer tools" toggled on or off for iTerm.) Looking at system logs it seems like the binary is missing an entitlement, which causes MACF / Gatekeeper to throw a fit: 2025-04-12 18:38:48.847576 kernel: mac_vnode_check_signature: /usr/bin/shortcuts: code signature validation failed fatally: When validating /usr/bin/shortcuts: in-kernel: com.apple.shortcuts.ShortcutsCommandLine disallowed without com.apple.private.security.restricted-application-groups 2025-04-12 18:38:48.847582 kernel: validation of code signature failed through MACF policy: 1 2025-04-12 18:38:48.847583 kernel: check_signature[pid: 2475]: error = 1 2025-04-12 18:38:48.847587 kernel: proc 95761: load code signature error 4 for file "shortcuts" 2025-04-12 18:38:48.847613 kernel: exec_mach_imgact: not running binary "shortcuts" built against preview arm64e ABI 2025-04-12 18:38:48.855481 syspolicyd: (Security) SecTrustEvaluateIfNecessary 2025-04-12 18:38:48.857970 syspolicyd: [com.apple.syspolicy.exec:default] GK evaluateScanResult: 2, PST: (path: /usr/bin/shortcuts), (team: (null)), (id: (null)), (bundle_id: (null)), 0, 0, 1, 0, 1, 1, 0evaluateScanResult: 2, PST: (path: /usr/bin/shortcuts), (team: (null)), (id: (null)), (bundle_id: (null)), 0, 0, 1, 0, 1, 1, 0 I used Time Machine to compare the binary's entitlements between 14.7.4 and 14.7.5, and looks like in 14.7.5 /usr/bin/shortcuts indeed is missing the com.apple.private.security.restricted-application-groups entitlement that 14.7.4 had. The old binary had these two entitlements that the new one doesn't: [Key] com.apple.private.security.restricted-application-groups [Value] [Array] [String] group.com.apple.shortcuts [String] group.is.workflow.my.app [String] group.is.workflow.shortcuts [Key] com.apple.security.application-groups [Value] [Array] [String] group.com.apple.shortcuts [String] group.is.workflow.my.app [String] group.is.workflow.shortcuts Is there a sensible workaround for this (and by "sensible" I mean something that'd allow me to keep using the tool)? (I already asked this on the support forums but I figured I might as well ask here too)
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3
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224
Activity
Apr ’25
ba-package tool not available
Hi, I'm trying to setup background assets hosted on Apple servers. I currently have installed Xcode 16.4 and Xcode beta 4. I have also freshly installed the command line tools for both. When I run sudo xcode-select -s /Applications/Xcode.app/Contents/Developer xcrun ba-package template I get xcrun: error: sh -c '/Applications/Xcode.app/Contents/Developer/usr/bin/xcodebuild -sdk /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk -find ba-package 2> /dev/null' failed with exit code 17664: (null) (errno=No such file or directory) xcrun: error: unable to find utility "ba-package", not a developer tool or in PATH If I try to use Xcode beta 4: sudo xcode-select -s /Applications/Xcode-beta.app/Contents/Developer xcrun ba-package template I get: dyld[92926]: Library not loaded: /System/Library/PrivateFrameworks/ManagedBackgroundAssetsHelper.framework/Versions/A/ManagedBackgroundAssetsHelper Referenced from: <7F150064-45BF-31D7-BAFD-32911BB9F569> /Applications/Xcode-beta.app/Contents/Developer/usr/bin/ba-package Reason: tried: '/System/Library/PrivateFrameworks/ManagedBackgroundAssetsHelper.framework/Versions/A/ManagedBackgroundAssetsHelper' (no such file), '/System/Volumes/Preboot/Cryptexes/OS/System/Library/PrivateFrameworks/ManagedBackgroundAssetsHelper.framework/Versions/A/ManagedBackgroundAssetsHelper' (no such file), '/System/Library/PrivateFrameworks/ManagedBackgroundAssetsHelper.framework/Versions/A/ManagedBackgroundAssetsHelper' (no such file, not in dyld cache) [1] 92926 abort xcrun ba-package template Any tip?
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3
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321
Activity
Aug ’25
Activating application from Terminal occasionally fails on macOS 26
On macOS Tahoe 26 activating GUI apps from command-line often fails. It launches the app but not brings to the foreground as expected. For example, running the following commands in Terminal is expected to launch Pages and bring it to the foreground. open /Applications/Pages.app or osascript -e `tell application "Pages" to activate` Moreover, they sometimes not return in Terminal. These commands worked as expected until macOS 15 but no more in macOS 26. The tricky part is that this failure doesn't happen 100% of the time; it occurs randomly. However, since multiple users of my app have reported the same symptoms, and I can reproduce it not only with my app but also with apps bundled to macOS, I don't believe this is an issue specific to my environment alone. I’ve already filed this issue: FB21087054 Open version: https://github.com/1024jp/AppleFeedback/issues/87 However, I’d like to know if any workaround exists or my understanding is wrong, especially for case with osascript.
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443
Activity
Nov ’25
CommandLineTools SDK error: conflicting types for 'MPG_PAYLOAD
building gcc14-libgcc14 using Macports + Apple clang returns following error In file included from /Library/Developer/CommandLineTools/SDKs/MacOSX26.sdk/usr/include/mach/message.h:78, from /Library/Developer/CommandLineTools/SDKs/MacOSX26.sdk/usr/include/mach/arm/thread_status.h:40, from /Library/Developer/CommandLineTools/SDKs/MacOSX26.sdk/usr/include/mach/machine/thread_status.h:35, from /Library/Developer/CommandLineTools/SDKs/MacOSX26.sdk/usr/include/mach-o/loader.h:52, from /Library/Developer/CommandLineTools/SDKs/MacOSX26.sdk/usr/include/mach-o/dyld.h:30, from /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_lang_gcc14/libgcc14/work/gcc-14.2.0/libgcc/config/darwin-crt-tm.c:29: /Library/Developer/CommandLineTools/SDKs/MacOSX26.sdk/usr/include/mach/port.h:510:1: error: conflicting types for 'MPG_PAYLOAD'; have 'uint64_t(uint8_t, uint32_t, uint32_t)' {aka 'long long unsigned int(unsigned char, unsigned int, unsigned int)'} 510 | MPG_PAYLOAD(uint8_t flag, uint32_t a, uint32_t b) | ^~~~~~~~~~~ /Library/Developer/CommandLineTools/SDKs/MacOSX26.sdk/usr/include/mach/port.h:498:1: note: previous definition of 'MPG_PAYLOAD' with type 'uint64_t(uint8_t, uint32_t)' {aka 'long long unsigned int(unsigned char, unsigned int)'} 498 | MPG_PAYLOAD(uint8_t flag, uint32_t a) | ^~~~~~~~~~~ /Library/Developer/CommandLineTools/SDKs/MacOSX26.sdk/usr/include/mach/port.h:523:1: error: conflicting types for 'MPG_PAYLOAD'; have 'uint64_t(uint8_t, uint32_t, uint16_t, uint16_t)' {aka 'long long unsigned int(unsigned char, unsigned int, short unsigned int, short unsigned int)'} 523 | MPG_PAYLOAD(uint8_t flag, uint32_t a, uint16_t b, uint16_t c) | ^~~~~~~~~~~ /Library/Developer/CommandLineTools/SDKs/MacOSX26.sdk/usr/include/mach/port.h:498:1: note: previous definition of 'MPG_PAYLOAD' with type 'uint64_t(uint8_t, uint32_t)' {aka 'long long unsigned int(unsigned char, unsigned int)'} 498 | MPG_PAYLOAD(uint8_t flag, uint32_t a) libgcxx compiles fine if forcing compile using clang20/clang19 there is no error.
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283
Activity
Jun ’25
Is there a plan to finally document the PackageInfo file format?
Q. Is there a plan to finally document the PackageInfo file format used in .pkg flat package? The man page for pkgbuild is not really useful to understand the different options. It does not seem to make sense to have an official documentation for the Distribution Definition file but not for the PackageInfo file.
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213
Activity
Sep ’25
Attach a debugger to app launched via `devicectrl`
With the latest (26) version of Apple's developer tools, is there a way to manually attach a debugger (other than lldb) to an iOS app launched with "devicectl device process launch --start-stopped"? In the past, this was possible via the ios-deploy third-party tool (now defunct), which provided a debugserver port. This information is notably missing when using devicectrl – although the process ID of the launch process is provided, and the tool is clearly aimed at letting you launch and attach to processes from the command line. lldb can, of course, attach via its built-in support for this using the device set of commands. But I'm explicitly looking for a way to attach my own debugger via the GDB-compatible debug proxy.
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Activity
Oct ’25
Terminal Command to get the same file count as Get Info in finder
Hi All, I am looking for a terminal command to get the exact same output as the file count you recieve when using Get Info in finder. The closest i can get is using the find command with flags: find 'path/to/folder' -not -path '*/\.*' -and -not -path '*\.key/*' -and -not -path '*\.numbers/*' -and -not -path '*\.pages/*' -and -not -path '*__MACOSX/*' -and -not -path '*\.pdf/*' -and -not -path '*\.app/*' -and -not -path '*\.rtfd/*' | wc -l I will be searching on an external volume that sometimes produces keynote save files that finder sometimes sees as a package and sometimes sees as a folder. If a folder finder counts the items contained if a package it doesn't, I need the command or script to mimic this behaviour. In the example of the screenshot get info on the top folder produces a count of 14 and the find command produces a count of 23. There are also other behaviours that differ the file count between them but i'm not sure what causes them. Any help on a solution it being a command or script would be much apreciated. Thanks, James
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228
Activity
May ’25
How to side load .ipa file on Mac
I want to side load a .ipa file from a Mac to iPhone connected to Mac via USB. I don't want to use ABM or enterprise account. Also these can be any number of unknown devices. Is there any way to set this up automatically?
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223
Activity
May ’25
Xcodebuild does not find any simulators
I am trying to integrate fastlane, which relies on xcodebuild. So this is my first experience with xcodebuild. Whenever I run a command to test or build the target in the folder where all the files of the project are stored, the action failes with Unable to find a device matching the provided destination specifier For example I might be running this command: xcodebuild \ -project Hoerspielzentrale.xcodeproj \ -scheme HoerspielzentraleUITests \ -destination 'platform=iOS Simulator,name="Screenshot Simulator”' \ test However the mentioned error is returned: xcodebuild: error: Unable to find a device matching the provided destination specifier: { platform:iOS Simulator, OS:latest, name:"Screenshot Simulator” } The requested device could not be found because no available devices matched the request. I can confirm that the simulator exists, is available and it can be booted. I have tried different simulators, different schemas, referencing them by their identifier, switching Xcode Versions, reset all simulators, derived data and build folder. After the error a complete list of all available destinations can be found, where I can see the simulator I try to use. Available destinations for the "HoerspielzentraleUITests" scheme: { platform:iOS, id:dvtdevice-DVTiPhonePlaceholder-iphoneos:placeholder, name:Any iOS Device } { platform:iOS Simulator, id:dvtdevice-DVTiOSDeviceSimulatorPlaceholder-iphonesimulator:placeholder, name:Any iOS Simulator Device } { platform:iOS Simulator, id:961DC569-9931-419A-B46E-769AAFA73EA2, OS:18.5, name:Screenshot Simulator } { platform:iOS Simulator, id:961DC569-9931-419A-B46E-769AAFA73EA2, OS:18.5, name:Screenshot Simulator } { platform:iOS Simulator, id:5E51FD98-C451-472F-9CDE-08D49E6B737B, OS:18.5, name:Screenshot Simulator Pro } { platform:iOS Simulator, id:5E51FD98-C451-472F-9CDE-08D49E6B737B, OS:18.5, name:Screenshot Simulator Pro } The rest of the list was omitted. I am currently completely stuck. Thank you
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Jul ’25
Customization in Swift ArgumentParser's help command and error output
Hello I want to implement customisation to swift argumentparser, Here are following changes want to do it in my cli changing default footer present in help command output currently help command output coming like this OVERVIEW: clisample USAGE: clisample <subcommand> OPTIONS: --version show the version. -h, --help show the help. SUBCOMMANDS: logs (default) Export logs for clisample processes. See 'clisample --help' for more information.' so instead of See 'clisample --help' for more information.' I want my own string For more details, run 'clisample help <subcommand>' customise error string getting from validation error Error: Missing value for '-t <time>' Help: -t <time> Time window (e.g. 10h, 30m, 2d). Usage: clisample logs --time <time> See 'clisample logs --help' for more information. so I want error output with example and customised footer, like this Error: Missing value for '-t <time>' Help: -t <time> Time window (e.g. 10h, 30m, 2d). Usage: clisample logs --time <time> Example: clisample logs -t 5m For more details, run 'clisample help <subcommand>' Is this changes possible from anyway?
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Sep ’25