Alterando ícones do Mac

gistfile1.txt

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// Go to /System/Library/CoreServices/CoreTypes.bundle/Contents/Resources folder
// where system icons are located.
$ cd /System/Library/CoreServices/CoreTypes.bundle/Contents/Resources/
// Backup the icns file for generic folder icon.
$ sudo cp GenericFolderIcon.icns GenericFolderIcon.org.icns
// Move the icns file to your home folder and go there.
$ sudo mv GenericFolderIcon.icns ~/
$ cd ~/
// Change file owner (from root to user).
$ sudo chown [user name] GenericFolderIcon.icns
// Open GenericFolderIcon.icns in Finder, then Preview is launched.
// Choose "Tools" => "Adjust Colors..." (shift+⌘+C), and adjust image's color as you want.
// In the following image, Saturation is decreased.
// Note that GenericFolderIcon.icns contains 10 images, and you should edit all of them.
// Save the file (⌘+S).
// Locate the icns file to /System/Library/CoreServices/CoreTypes.bundle/Contents/Resources folder.
$ cd /System/Library/CoreServices/CoreTypes.bundle/Contents/Resources/
$ sudo mv ~/GenericFolderIcon.icns ./
// Change file owner and group, and remove Extended Attributes.
$ sudo chown root GenericFolderIcon.icns
$ sudo chgrp wheel GenericFolderIcon.icns
$ sudo xattr -d com.apple.quarantine GenericFolderIcon.icns
// Clear the icon cache.
sudo find /private/var/folders/ -name com.apple.dock.iconcache -exec rm {} \;
sudo find /private/var/folders/ -name com.apple.iconservices -exec rm -rf {} \;