mirror of
https://git.launchpad.net/~ubuntu-qt-code/+git/calamares-settings-ubuntu
synced 2025-05-02 14:11:29 +00:00
Simon Quigley
f26f191a17
Simply pass through packages starting with "^" or containing "*". For this cycle we can trust our distributors won't do anything unusual, but next cycle, we need to perform explicit validation on these items. If you are a downstream, please be careful!
55 lines
1.6 KiB
C++
55 lines
1.6 KiB
C++
#include <iostream>
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#include <string>
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#include <unordered_set>
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#include <apt-pkg/algorithms.h>
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#include <apt-pkg/cacheiterators.h>
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#include <apt-pkg/init.h>
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#include <apt-pkg/cachefile.h>
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#include <apt-pkg/pkgcache.h>
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#include <apt-pkg/pkgsystem.h>
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#include <apt-pkg/progress.h>
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int main(int argc, char* argv[]) {
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pkgInitConfig(*_config);
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pkgInitSystem(*_config, _system);
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if (_system == 0) {
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std::cerr << "apt-pkg not initialized\n";
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return 1;
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}
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// Open the package cache.
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pkgCacheFile *cache = new pkgCacheFile();
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OpProgress progress;
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if (!cache || cache->Open(&progress, false) == false) {
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std::cerr << "Error: could not open APT cache.\n";
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return 1;
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}
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pkgApplyStatus(*cache);
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std::vector<std::string> package_names(argv + 1, argv + argc);
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if (package_names.empty()) return 0;
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std::unordered_set<std::string> seen_packages;
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for (std::string package_name : package_names) {
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if (seen_packages.contains(package_name)) continue;
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seen_packages.insert(package_name);
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// Tasks and wildcards should just be passed through as-is, for now
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if (package_name.starts_with('^') || package_name.contains('*')) {
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std::cout << package_name << " ";
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continue;
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}
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pkgCache::GrpIterator grp = cache->GetPkgCache()->FindGrp(package_name);
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if (!grp.end()) {
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pkgCache::PkgIterator it = grp.FindPreferredPkg(true);
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if (!it.end() && !it.VersionList().end()) {
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std::cout << package_name << " ";
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}
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}
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}
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std::cout << "\n";
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cache->Close();
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return 0;
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}
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