Add a lock around configuration saving to the metafile.

[cydia.git] / Sources.mm

/* Cydia - iPhone UIKit Front-End for Debian APT
 * Copyright (C) 2008-2011  Jay Freeman (saurik)
*/

/* Modified BSD License {{{ */
/*
 *        Redistribution and use in source and binary
 * forms, with or without modification, are permitted
 * provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the
 *    above copyright notice, this list of conditions
 *    and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the
 *    above copyright notice, this list of conditions
 *    and the following disclaimer in the documentation
 *    and/or other materials provided with the
 *    distribution.
 * 3. The name of the author may not be used to endorse
 *    or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS''
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
 * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/* }}} */

#include <Foundation/Foundation.h>
#include <CydiaSubstrate/CydiaSubstrate.h>
#include <CyteKit/UCPlatform.h>

#include <cstdio>

extern _H<NSMutableDictionary> Sources_;
extern _H<NSString> CydiaSource_;
extern _H<NSString> Firmware_;
extern bool Changed_;

void CydiaWriteSources() {
    FILE *file(fopen("/etc/apt/sources.list.d/cydia.list", "w"));
    _assert(file != NULL);

    NSString *distribution(@"ios");
    if (Firmware_ != nil)
        distribution = [distribution stringByAppendingString:[NSString stringWithFormat:@"/%@", (id) Firmware_]];

    fprintf(file, "deb http://%s/ %s main\n",
        [CydiaSource_ UTF8String],
        [distribution UTF8String]
    );

    for (NSString *key in [Sources_ allKeys]) {
        NSDictionary *source([Sources_ objectForKey:key]);

        NSArray *sections([source objectForKey:@"Sections"] ?: [NSArray array]);

        fprintf(file, "%s %s %s%s%s\n",
            [[source objectForKey:@"Type"] UTF8String],
            [[source objectForKey:@"URI"] UTF8String],
            [[source objectForKey:@"Distribution"] UTF8String],
            [sections count] == 0 ? "" : " ",
            [[sections componentsJoinedByString:@" "] UTF8String]
        );
    }

    fclose(file);
}

void CydiaAddSource(NSDictionary *source) {
    [Sources_ setObject:source forKey:[NSString stringWithFormat:@"%@:%@:%@", [source objectForKey:@"Type"], [source objectForKey:@"URI"], [source objectForKey:@"Distribution"]]];
    Changed_ = true;
}

void CydiaAddSource(NSString *href, NSString *distribution, NSArray *sections) {
    if (href == nil || distribution == nil)
        return;

    CydiaAddSource([NSMutableDictionary dictionaryWithObjectsAndKeys:
        @"deb", @"Type",
        href, @"URI",
        distribution, @"Distribution",
        sections ?: [NSMutableArray array], @"Sections",
    nil]);
}