So you are an iOS Developer and Mac user, ain’t it? I’ll show you some tips I use to reclaim my HD space [=
As a Mac user you shold have TimeMachine enabled in order to keep your things backed-up .
You should know that Time Machine has by default the Automatic Backup enabled that takes some snapshots also on local storage waiting for a full backup on your external HD.
It’s show time, so open up a Terminal window!
To see these snapshots you do:
sudo tmutil listlocalsnapshots /
sudo tmutil listlocalsnapshots / com.apple.TimeMachine.2018-10-02-150623 com.apple.TimeMachine.2018-10-03-120519 com.apple.TimeMachine.2018-10-03-130357 com.apple.TimeMachine.2018-10-03-140849 com.apple.TimeMachine.2018-10-03-150352
In order to delete a local snapshot you have to type:
sudo tmutil deletelocalsnapshots 2018-10-02-150623
sudo tmutil deletelocalsnapshots 2018-10-02-150623 Deleted local snapshot '2018-10-02-150623'
Were you used to disable localsnapshots, do you say?
With OSX High Sierra+ you cannot. (Without disabling automatic backups). Correct me if I’m wrong.
Anyway, if you need to reclaim some of your HD space you could delete all local snapshots in one shot:
sudo tmutil listlocalsnapshots / | sed 's/com.apple.TimeMachine.//g' | xargs -I % sudo tmutil deletelocalsnapshots %
$ sudo tmutil listlocalsnapshots / | sed 's/com.apple.TimeMachine.//g' | xargs -I % sudo tmutil deletelocalsnapshots % Deleted local snapshot '2018-10-03-130357' Deleted local snapshot '2018-10-03-140849' Deleted local snapshot '2018-10-03-150352' Deleted local snapshot '2018-10-03-160946'
Another trick you could use is to delete all the old Device Debug Support symbols that Xcode download every time you connect a new physial device to your Mac with a new iOS Version. So you will have, for example, debug symbols for 10.3, 10.3.1, 10.3.2, …, 11.0.0, 11.1.0, …, 11.4.1, … and so on.
This symbols are stored in the following directory:
~/Library/Developer/Xcode/iOS DeviceSupport/
Let’s check it out by entering the above directory and typing:
find . -type f -size +1G | xargs -I % du -h %
You sould see some big files (more than 1 giga):
find . -type f -size +1G | xargs -I % du -h % 1.0G ./11.3 (15E216)/Symbols/System/Library/Caches/com.apple.dyld/dyld_shared_cache_arm64 1.0G ./11.4 (15F79)/Symbols/System/Library/Caches/com.apple.dyld/dyld_shared_cache_arm64 1.0G ./11.3.1 (15E302)/Symbols/System/Library/Caches/com.apple.dyld/dyld_shared_cache_arm64 1.0G ./11.2.5 (15D60)/Symbols/System/Library/Caches/com.apple.dyld/dyld_shared_cache_arm64 1.0G ./11.4.1 (15G77)/Symbols/System/Library/Caches/com.apple.dyld/dyld_shared_cache_arm64 1.0G ./11.2.6 (15D100)/Symbols/System/Library/Caches/com.apple.dyld/dyld_shared_cache_arm64
