370ff654e7
Change license to AGPL
This commit:
- Updates the `LICENSE` file
- Start every file with something like:
// Copyright YEAR_FIRST_PUBLISHED Signal Messenger, LLC
// SPDX-License-Identifier: AGPL-3.0-only
---
First, I removed existing license headers with this Ruby 3.1.2 script:
require 'set'
EXTENSIONS_TO_CHECK = Set['.h', '.hpp', '.cpp', '.m', '.mm', '.pch', '.swift']
same = 0
different = 0
all_files = `git ls-files`.lines.map { |line| line.strip }
all_files.each do |relative_path|
if relative_path == 'Pods'
next
end
unless EXTENSIONS_TO_CHECK.include? File.extname(relative_path)
next
end
path = File.expand_path(relative_path)
contents = File.read(path)
new_contents = contents.sub(/\/\/\n\/\/ Copyright .*\n\/\/\n\n/, '')
if contents == new_contents
same += 1
else
different += 1
end
File.write(path, new_contents)
end
puts "updated #{different} file(s), left #{same} untouched"
I'm sure this script could be improved, but it worked well enough.
Then, I created `Scripts/lint/lint-license-headers` and ran it to auto-
fix a lot of files. This changed the mode of some files, but I think
that's actually desirable. For example,
`SignalServiceKit/src/Util/AppContext.m` previously had a mode of
`0755/-rwxr-xr-x`, and it's now `0644/-rw-r--r--`.
Then I fixed some stragglers and updated the precommit script.
See [a similar change in the Desktop app][0].
[0]: 8bfaf598af
51 lines
1.7 KiB
Swift
51 lines
1.7 KiB
Swift
//
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// Copyright 2017 Signal Messenger, LLC
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// SPDX-License-Identifier: AGPL-3.0-only
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//
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/**
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* As of iOS10, the timer API's take a block, which makes it easy to reference weak self in Swift. This class offers a
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* similar API that works pre iOS10.
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*
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* Solution modified from
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* http://stackoverflow.com/questions/16821736/weak-reference-to-nstimer-target-to-prevent-retain-cycle/41003985#41003985
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*/
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public final class WeakTimer {
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fileprivate weak var timer: Timer?
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fileprivate weak var target: AnyObject?
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fileprivate let action: (Timer) -> Void
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fileprivate init(timeInterval: TimeInterval, target: AnyObject, userInfo: Any?, repeats: Bool, action: @escaping (Timer) -> Void) {
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self.target = target
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self.action = action
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self.timer = Timer.scheduledTimer(timeInterval: timeInterval,
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target: self,
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selector: #selector(fire),
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userInfo: userInfo,
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repeats: repeats)
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}
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deinit {
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timer?.invalidate()
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}
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@objc
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public class func scheduledTimer(timeInterval: TimeInterval, target: AnyObject, userInfo: Any?, repeats: Bool, action: @escaping (Timer) -> Void) -> Timer {
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return WeakTimer(timeInterval: timeInterval,
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target: target,
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userInfo: userInfo,
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repeats: repeats,
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action: action).timer!
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}
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@objc
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public func fire(timer: Timer) {
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if target != nil {
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action(timer)
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} else {
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timer.invalidate()
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}
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}
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}
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