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#pragma once
#include <apt-pkg/acquire.h>
#include <apt-pkg/algorithms.h>
#include <apt-pkg/cachefile.h>
#include <apt-pkg/install-progress.h>
#include <apt-pkg/packagemanager.h>
#include <apt-pkg/pkgsystem.h>
#include <apt-pkg/sourcelist.h>
#include <memory>
#include "cache.h"
#include "rust-apt/src/progress.rs"
struct PackageManager {
pkgPackageManager mutable* pkgmanager;
void get_archives(
const PkgCacheFile& cache,
const PkgRecords& records,
AcqTextStatus& archive_progress
) const {
pkgAcquire acquire(&archive_progress);
// We probably need to let the user set their own pkgSourcePkgCacheFileList,
// but there hasn't been a need to expose such in the Rust interface
// yet. pkgSourceList sourcelist = *cache->GetSourceList();
if (!pkgmanager->GetArchives(
&acquire, cache.unconst()->GetSourceList(), &records.records
)) {
handle_errors();
throw std::runtime_error(
"Internal Issue with rust-apt in pkgmanager_get_archives."
" Please report this as an issue."
);
}
pkgAcquire::RunResult result = acquire.Run(archive_progress.callback->pulse_interval());
if (result != pkgAcquire::Continue) {
// The other variants are either Failed or Cancelled
// Failed will always have an error for us to handle
// It's unsure if Cancelled would even require a bool
// I believe this may be a Keyboard Interrupt situation
handle_errors();
}
}
void do_install(InstallProgress& callback) const {
PackageManagerWrapper install_progress(callback);
pkgPackageManager::OrderResult res = pkgmanager->DoInstall(&install_progress);
if (res == pkgPackageManager::OrderResult::Completed) {
return;
} else if (res == pkgPackageManager::OrderResult::Failed) {
handle_errors();
throw std::runtime_error(
"Internal Issue with rust-apt in pkgmanager_do_install."
" DoInstall has failed but there was no error from apt."
" Please report this as an issue."
);
} else if (res == pkgPackageManager::OrderResult::Incomplete) {
// It's not clear that there would be any apt errors here,
// But we'll try anyway. This is believed to be only for media swapping
handle_errors();
throw std::runtime_error(
"Internal Issue with rust-apt in pkgmanager_do_install."
" DoInstall returned Incomplete, media swaps are unsupported."
" Please request media swapping as a feature."
);
} else {
// If for whatever reason we manage to make it here (We shouldn't)
// Attempt to handle any apt errors
// And then fallback with a message to report with the result code.
handle_errors();
throw std::runtime_error(
"Internal Issue with rust-apt in pkgmanager_do_install."
" Please report this as an issue. OrderResult: " +
res
);
}
}
PackageManager(pkgDepCache* depcache) : pkgmanager(_system->CreatePM(depcache)){};
};
struct ProblemResolver {
pkgProblemResolver mutable resolver;
/// Mark a package as protected, i.e. don't let its installation/removal state change when
/// modifying packages during resolution.
void protect(const PkgIterator& pkg) const { resolver.Protect(pkg); }
/// Try to resolve dependency problems by marking packages for installation and removal.
void resolve(bool fix_broken, OperationProgress& callback) const {
OpProgressWrapper op_progress(callback);
resolver.Resolve(fix_broken, &op_progress);
handle_errors();
}
ProblemResolver(pkgDepCache* depcache) : resolver(depcache){};
};
/// Create the problem resolver.
UniquePtr<ProblemResolver> create_problem_resolver(const PkgDepCache& cache) {
return std::make_unique<ProblemResolver>(cache.ptr);
}
UniquePtr<PackageManager> create_pkgmanager(const PkgDepCache& cache) {
// Package Manager needs the DepCache initialized or else invalid memory reference.
return std::make_unique<PackageManager>(cache.ptr);
}
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