std::string AptCacheFile::getLongDescription(const pkgCache::VerIterator &ver)
{
if (ver.end() || ver.FileList().end() || GetPkgRecords() == 0) {
return string();
}
pkgCache::DescIterator d = ver.TranslatedDescription();
if (d.end()) {
return string();
}
pkgCache::DescFileIterator df = d.FileList();
if (df.end()) {
return string();
} else {
return m_packageRecords->Lookup(df).LongDesc();
}
}
static void fancy_reverse_deps(const pkgCache::PkgIterator pkg, const pkgCache::VerIterator ver, callback_t callback) {
for (pkgCache::DepIterator dep = pkg.RevDependsList(); !dep.end(); ++dep) {
if (dep.IsSatisfied(ver)) callback(dep);
}
for (pkgCache::PrvIterator prv = ver.ProvidesList(); !prv.end(); ++prv) {
for (pkgCache::DepIterator dep = prv.ParentPkg().RevDependsList(); !dep.end(); ++dep) {
if (dep.IsSatisfied(prv)) callback(dep);
}
}
}
void AptCacheFile::tryToRemove(pkgProblemResolver &Fix,
const pkgCache::VerIterator &ver)
{
pkgCache::PkgIterator Pkg = ver.ParentPkg();
// The package is not installed
if (Pkg->CurrentVer == 0) {
Fix.Clear(Pkg);
Fix.Protect(Pkg);
Fix.Remove(Pkg);
return;
}
Fix.Clear(Pkg);
Fix.Protect(Pkg);
Fix.Remove(Pkg);
// TODO this is false since PackageKit can't
// tell it want's o purge
GetDepCache()->MarkDelete(Pkg, false);
}
bool AptCacheFile::tryToInstall(pkgProblemResolver &Fix,
const pkgCache::VerIterator &ver,
bool BrokenFix,
bool autoInst,
bool preserveAuto)
{
pkgCache::PkgIterator Pkg = ver.ParentPkg();
// Check if there is something at all to install
GetDepCache()->SetCandidateVersion(ver);
pkgDepCache::StateCache &State = (*this)[Pkg];
if (State.CandidateVer == 0) {
pk_backend_job_error_code(m_job,
PK_ERROR_ENUM_DEP_RESOLUTION_FAILED,
"Package %s is virtual and has no installation candidate",
Pkg.Name());
return false;
}
// On updates we want to always preserve the autoflag as updates are usually
// non-indicative of whether or not the user explicitly wants this package to be
// installed or simply wants it to be updated.
const bool fromUser = preserveAuto ? !(State.Flags & pkgCache::Flag::Auto) : true;
// FIXME: this is ignoring the return value. OTOH the return value means little to us
// since we run markinstall twice, once without autoinst and once with.
// We probably should change the return value behavior and have the callee decide whether to
// error out or call us again with autoinst. This however is further complicated by us
// having protected, so we'd have to lift protection before this?
GetDepCache()->MarkInstall(Pkg, autoInst, 0, fromUser);
// Protect against further resolver changes.
Fix.Clear(Pkg);
Fix.Protect(Pkg);
return true;
}
string fetchChangelogData(AptCacheFile &CacheFile,
pkgAcquire &Fetcher,
pkgCache::VerIterator Ver,
pkgCache::VerIterator currver,
string *update_text,
string *updated,
string *issued)
{
string changelog;
pkgAcqChangelog *c = new pkgAcqChangelog(&Fetcher, Ver);
// try downloading it, if that fails, try third-party-changelogs location
// FIXME: Fetcher.Run() is "Continue" even if I get a 404?!?
Fetcher.Run();
// error
pkgRecords Recs(CacheFile);
pkgCache::PkgIterator Pkg = Ver.ParentPkg();
pkgRecords::Parser &rec=Recs.Lookup(Ver.FileList());
string srcpkg = rec.SourcePkg().empty() ? Pkg.Name() : rec.SourcePkg();
changelog = "Changelog for this version is not yet available";
// return empty string if we don't have a file to read
if (!FileExists(c->DestFile)) {
return changelog;
}
if (_error->PendingError()) {
return changelog;
}
ifstream in(c->DestFile.c_str());
string line;
g_autoptr(GRegex) regexVer = NULL;
regexVer = g_regex_new("(?'source'.+) \\((?'version'.*)\\) "
"(?'dist'.+); urgency=(?'urgency'.+)",
G_REGEX_CASELESS,
G_REGEX_MATCH_ANCHORED,
0);
g_autoptr(GRegex) regexDate = NULL;
regexDate = g_regex_new("^ -- (?'maintainer'.+) (?'mail'<.+>) (?'date'.+)$",
G_REGEX_CASELESS,
G_REGEX_MATCH_ANCHORED,
0);
changelog = "";
while (getline(in, line)) {
// we don't want the additional whitespace, because it can confuse
// some markdown parsers used by client tools
if (starts_with(line, " "))
line.erase(0,1);
// no need to free str later, it is allocated in a static buffer
const char *str = utf8(line.c_str());
if (strcmp(str, "") == 0) {
changelog.append("\n");
continue;
} else {
changelog.append(str);
changelog.append("\n");
}
if (starts_with(str, srcpkg.c_str())) {
// Check to see if the the text isn't about the current package,
// otherwise add a == version ==
GMatchInfo *match_info;
if (g_regex_match(regexVer, str, G_REGEX_MATCH_ANCHORED, &match_info)) {
gchar *version;
version = g_match_info_fetch_named(match_info, "version");
// Compare if the current version is shown in the changelog, to not
// display old changelog information
if (_system != 0 &&
_system->VS->DoCmpVersion(version, version + strlen(version),
currver.VerStr(), currver.VerStr() + strlen(currver.VerStr())) <= 0) {
g_free (version);
break;
} else {
if (!update_text->empty()) {
update_text->append("\n\n");
}
update_text->append(" == ");
update_text->append(version);
update_text->append(" ==");
g_free (version);
}
}
g_match_info_free (match_info);
} else if (starts_with(str, " ")) {
// update descritption
update_text->append("\n");
update_text->append(str);
} else if (starts_with(str, " --")) {
// Parse the text to know when the update was issued,
// and when it got updated
GMatchInfo *match_info;
if (g_regex_match(regexDate, str, G_REGEX_MATCH_ANCHORED, &match_info)) {
GTimeVal dateTime = {0, 0};
gchar *date;
date = g_match_info_fetch_named(match_info, "date");
time_t time;
g_warn_if_fail(RFC1123StrToTime(date, time));
dateTime.tv_sec = time;
g_free(date);
*issued = g_time_val_to_iso8601(&dateTime);
if (updated->empty()) {
*updated = g_time_val_to_iso8601(&dateTime);
}
}
g_match_info_free(match_info);
}
}
return changelog;
}
static bool in_base(pkgCacheFile &Cache, const pkgCache::PkgIterator pkg, const pkgCache::State::VerPriority reference_priority) {
const pkgCache::VerIterator ver = Cache.GetPolicy()->GetCandidateVer(pkg);
return ver.IsGood() && ver->Priority <= reference_priority;
}
