Update cheatsheets

osx/xcode-select

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+---
+syntax: markdown
+tags: [tldr, osx]
+source: https://github.com/tldr-pages/tldr.git
+---
+# xcode-select
+
+> Switch between different versions of Xcode and the included developer tools.
+> Also used to update the path to Xcode if it is moved after installation.
+> More information: <https://developer.apple.com/library/archive/technotes/tn2339/_index.html>.
+
+- Install Xcode's command-line tools:
+
+`xcode-select --install`
+
+- Select a given path as the active developer directory:
+
+`xcode-select --switch {{path/to/Xcode.app/Contents/Developer}}`
+
+- Select a given Xcode instance and use its developer directory as the active one:
+
+`xcode-select --switch {{path/to/Xcode_file.app}}`
+
+- Print the currently selected developer directory:
+
+`xcode-select --print-path`
+
+- Discard any user-specified developer directory so that it will be found via the default search mechanism:
+
+`sudo xcode-select --reset`