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Create lockfile for improved compatibility with 3rd party updaters
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,26 @@ | ||
| // | ||
| // SUGlobalUpdateLock.h | ||
| // Sparkle | ||
| // | ||
| // Created by Bibhas Acharya on 7/12/20. | ||
| // Copyright © 2020 Sparkle Project. All rights reserved. | ||
| // | ||
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| #ifndef SUGLOBALUPDATELOCK_H | ||
| #define SUGLOBALUPDATELOCK_H | ||
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| #if __has_feature(modules) | ||
| @import Foundation; | ||
| #else | ||
| #import <Foundation/Foundation.h> | ||
| #endif | ||
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| @interface SUGlobalUpdateLock : NSObject | ||
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| + (SUGlobalUpdateLock *)sharedLock; | ||
| - (void)lock; | ||
| - (void)unlock; | ||
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| @end | ||
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| #endif |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,65 @@ | ||
| // | ||
| // SUGlobalUpdateFileLock.m | ||
| // Sparkle | ||
| // | ||
| // Created by Bibhas Acharya on 7/12/20. | ||
| // Copyright © 2020 Sparkle Project. All rights reserved. | ||
| // | ||
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| #import "SUGlobalUpdateLock.h" | ||
| #import "SULog.h" | ||
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| @implementation SUGlobalUpdateLock | ||
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| + (SUGlobalUpdateLock *)sharedLock | ||
| { | ||
| static dispatch_once_t once; | ||
| static SUGlobalUpdateLock *sharedInstance = nil; | ||
| dispatch_once(&once, ^{ | ||
| sharedInstance = [self new]; | ||
| }); | ||
| return sharedInstance; | ||
| } | ||
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| - (void)lock | ||
| { | ||
| NSFileManager *fileManager = [NSFileManager defaultManager]; | ||
| NSString *fileLockPath = [self fileLockPath]; | ||
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| BOOL success = [fileManager createFileAtPath:fileLockPath contents:nil attributes:nil]; | ||
| if (!success) { | ||
| SULog(SULogLevelDefault, @"Couldn't create lockfile at: %@", fileLockPath); | ||
| } | ||
| } | ||
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| - (void)unlock | ||
| { | ||
| NSFileManager *fileManager = [NSFileManager defaultManager]; | ||
| NSString *fileLockPath = [self fileLockPath]; | ||
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| if ([fileManager fileExistsAtPath:fileLockPath]) { | ||
| NSError *error = nil; | ||
| [fileManager removeItemAtPath:fileLockPath error:&error]; | ||
| if (error != nil) { | ||
| SULog(SULogLevelError, @"Couldn't remove lockfile at: %@ [%@]", fileLockPath, [error localizedDescription]); | ||
| } | ||
| } | ||
| } | ||
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| - (NSString *)identifier | ||
| { | ||
| NSString *resp = [[NSBundle mainBundle] bundleIdentifier]; | ||
| if (resp == nil) { | ||
| // If there's no bundle identifier, use the executable path | ||
| resp = [[[NSBundle mainBundle] executablePath] stringByReplacingOccurrencesOfString:@"/" withString:@"."]; | ||
| } | ||
| return resp; | ||
| } | ||
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| - (NSString *)fileLockPath | ||
| { | ||
| return [NSString stringWithFormat:@"/private/var/tmp/%@.Sparkle.pid", [self identifier]]; | ||
| } | ||
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| @end |
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