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apt/apt-private/private-source.cc
Daniel Baumann 6810ba718b
Adding upstream version 3.0.2. 
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-20 21:10:43 +02:00

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// Include Files /*{{{*/
#include <config.h>
#include <apt-pkg/acquire-item.h>
#include <apt-pkg/acquire.h>
#include <apt-pkg/algorithms.h>
#include <apt-pkg/aptconfiguration.h>
#include <apt-pkg/cachefile.h>
#include <apt-pkg/cacheset.h>
#include <apt-pkg/cmndline.h>
#include <apt-pkg/configuration.h>
#include <apt-pkg/depcache.h>
#include <apt-pkg/error.h>
#include <apt-pkg/fileutl.h>
#include <apt-pkg/hashes.h>
#include <apt-pkg/indexfile.h>
#include <apt-pkg/metaindex.h>
#include <apt-pkg/pkgcache.h>
#include <apt-pkg/policy.h>
#include <apt-pkg/sourcelist.h>
#include <apt-pkg/srcrecords.h>
#include <apt-pkg/strutl.h>
#include <apt-pkg/version.h>
#include <apt-private/private-cachefile.h>
#include <apt-private/private-cacheset.h>
#include <apt-private/private-download.h>
#include <apt-private/private-install.h>
#include <apt-private/private-source.h>
#include <apt-pkg/debindexfile.h>
#include <apt-pkg/deblistparser.h>
#include <cstddef>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <sys/stat.h>
#include <unistd.h>
#include <iostream>
#include <set>
#include <sstream>
#include <string>
#include <vector>
#include <apti18n.h>
/*}}}*/
// GetReleaseFileForSourceRecord - Return Suite for the given srcrecord /*{{{*/
static pkgCache::RlsFileIterator GetReleaseFileForSourceRecord(CacheFile &CacheFile,
pkgSourceList const * const SrcList, pkgSrcRecords::Parser const * const Parse)
{
// try to find release
const pkgIndexFile& CurrentIndexFile = Parse->Index();
for (pkgSourceList::const_iterator S = SrcList->begin();
S != SrcList->end(); ++S)
{
std::vector<pkgIndexFile *> *Indexes = (*S)->GetIndexFiles();
for (std::vector<pkgIndexFile *>::const_iterator IF = Indexes->begin();
IF != Indexes->end(); ++IF)
{
if (&CurrentIndexFile == (*IF))
return (*S)->FindInCache(CacheFile, false);
}
}
return pkgCache::RlsFileIterator(CacheFile);
}
/*}}}*/
// FindSrc - Find a source record /*{{{*/
static pkgSrcRecords::Parser *FindSrc(const char *Name,
pkgSrcRecords &SrcRecs,std::string &Src,
CacheFile &Cache)
{
std::string VerTag, UserRequestedVerTag;
std::string ArchTag = "";
std::string RelTag = _config->Find("APT::Default-Release");
std::string TmpSrc = Name;
bool MatchSrcOnly = _config->FindB("APT::Get::Only-Source");
// Check if we should look by source package
if (APT::String::Startswith(TmpSrc, "src:"))
{
MatchSrcOnly = true;
TmpSrc = TmpSrc.substr(4);
}
// extract release
size_t found = TmpSrc.find_last_of("/");
if (found != std::string::npos)
{
RelTag = TmpSrc.substr(found+1);
TmpSrc = TmpSrc.substr(0,found);
}
// extract the version
found = TmpSrc.find_last_of("=");
if (found != std::string::npos)
{
VerTag = UserRequestedVerTag = TmpSrc.substr(found+1);
TmpSrc = TmpSrc.substr(0,found);
}
// extract arch
found = TmpSrc.find_last_of(":");
if (found != std::string::npos)
{
ArchTag = TmpSrc.substr(found+1);
TmpSrc = TmpSrc.substr(0,found);
}
/* Lookup the version of the package we would install if we were to
install a version and determine the source package name, then look
in the archive for a source package of the same name. */
pkgCache::PkgIterator Pkg;
if (ArchTag != "")
Pkg = Cache.GetPkgCache()->FindPkg(TmpSrc, ArchTag);
else
Pkg = Cache.GetPkgCache()->FindPkg(TmpSrc);
// if we can't find a package but the user qualified with a arch,
// error out here
if (Pkg.end() && ArchTag != "")
{
Src = Name;
_error->Error(_("Can not find a package for architecture '%s'"),
ArchTag.c_str());
return 0;
}
if (MatchSrcOnly == false && Pkg.end() == false)
{
if(VerTag != "" || RelTag != "" || ArchTag != "")
{
bool fuzzy = false;
// we have a default release, try to locate the pkg. we do it like
// this because GetCandidateVer() will not "downgrade", that means
// "apt-get source -t stable apt" won't work on a unstable system
for (pkgCache::VerIterator Ver = Pkg.VersionList();; ++Ver)
{
// try first only exact matches, later fuzzy matches
if (Ver.end() == true)
{
if (fuzzy == true)
break;
fuzzy = true;
Ver = Pkg.VersionList();
// exit right away from the Pkg.VersionList() loop if we
// don't have any versions
if (Ver.end() == true)
break;
}
// ignore arches that are not for us
if (ArchTag != "" && Ver.Arch() != ArchTag)
continue;
// pick highest version for the arch unless the user wants
// something else
if (ArchTag != "" && VerTag == "" && RelTag == "")
if(Cache.GetPkgCache()->VS->CmpVersion(VerTag, Ver.VerStr()) < 0)
VerTag = Ver.VerStr();
// We match against a concrete version (or a part of this version)
if (VerTag.empty() == false &&
(fuzzy == true || Cache.GetPkgCache()->VS->CmpVersion(VerTag, Ver.VerStr()) != 0) && // exact match
(fuzzy == false || strncmp(VerTag.c_str(), Ver.VerStr(), VerTag.size()) != 0)) // fuzzy match
continue;
for (pkgCache::VerFileIterator VF = Ver.FileList();
VF.end() == false; ++VF)
{
/* If this is the status file, and the current version is not the
version in the status file (ie it is not installed, or somesuch)
then it is not a candidate for installation, ever. This weeds
out bogus entries that may be due to config-file states, or
other. */
if ((VF.File()->Flags & pkgCache::Flag::NotSource) ==
pkgCache::Flag::NotSource && Pkg.CurrentVer() != Ver)
continue;
// or we match against a release
if(VerTag.empty() == false ||
(VF.File().Archive() != 0 && VF.File().Archive() == RelTag) ||
(VF.File().Codename() != 0 && VF.File().Codename() == RelTag))
{
// the Version we have is possibly fuzzy or includes binUploads,
// so we use the Version of the SourcePkg (empty if same as package)
Src = Ver.SourcePkgName();
VerTag = Ver.SourceVerStr();
break;
}
}
if (Src.empty() == false)
break;
}
}
if (Src.empty() == true && ArchTag.empty() == false)
{
if (VerTag.empty() == false)
_error->Error(_("Can not find a package '%s' with version '%s'"),
Pkg.FullName().c_str(), VerTag.c_str());
if (RelTag.empty() == false)
_error->Error(_("Can not find a package '%s' with release '%s'"),
Pkg.FullName().c_str(), RelTag.c_str());
Src = Name;
return 0;
}
if (Src.empty() == true)
{
// if we don't have found a fitting package yet so we will
// choose a good candidate and proceed with that.
// Maybe we will find a source later on with the right VerTag
// or RelTag
if (Cache.BuildPolicy() == false)
return nullptr;
pkgPolicy * const Policy = Cache.GetPolicy();
pkgCache::VerIterator const Ver = Policy->GetCandidateVer(Pkg);
if (Ver.end() == false)
{
if (strcmp(Ver.SourcePkgName(),Ver.ParentPkg().Name()) != 0)
Src = Ver.SourcePkgName();
if (VerTag.empty() == true && strcmp(Ver.SourceVerStr(),Ver.VerStr()) != 0)
VerTag = Ver.SourceVerStr();
}
}
}
if (Src.empty() == true)
{
Src = TmpSrc;
}
else
{
/* if we have a source pkg name, make sure to only search
for srcpkg names, otherwise apt gets confused if there
is a binary package "pkg1" and a source package "pkg1"
with the same name but that comes from different packages */
MatchSrcOnly = true;
if (Src != TmpSrc)
{
ioprintf(c1out, _("Picking '%s' as source package instead of '%s'\n"), Src.c_str(), TmpSrc.c_str());
}
}
// The best hit
pkgSrcRecords::Parser *Last = 0;
unsigned long Offset = 0;
std::string Version;
pkgSourceList const * const SrcList = Cache.GetSourceList();
pkgVersionMatch RelTagMatch{RelTag, pkgVersionMatch::Release};
/* Iterate over all of the hits, which includes the resulting
binary packages in the search */
pkgSrcRecords::Parser *Parse;
while (true)
{
SrcRecs.Restart();
while ((Parse = SrcRecs.Find(Src.c_str(), MatchSrcOnly)) != 0)
{
const std::string Ver = Parse->Version();
// See if we need to look for a specific release tag
if (RelTag.empty() == false && UserRequestedVerTag.empty() == true)
{
pkgCache::RlsFileIterator const Rls = GetReleaseFileForSourceRecord(Cache, SrcList, Parse);
if (not Rls.end() && not RelTagMatch.FileMatch(Rls))
continue;
}
// Ignore all versions which doesn't fit
if (VerTag.empty() == false &&
Cache.GetPkgCache()->VS->CmpVersion(VerTag, Ver) != 0) // exact match
continue;
// Newer version or an exact match? Save the hit
if (Last == 0 || Cache.GetPkgCache()->VS->CmpVersion(Version,Ver) < 0) {
Last = Parse;
Offset = Parse->Offset();
Version = Ver;
}
// was the version check above an exact match?
// If so, we don't need to look further
if (VerTag.empty() == false && (VerTag == Ver))
break;
}
if (UserRequestedVerTag == "" && Version != "" && RelTag != "")
ioprintf(c1out, "Selected version '%s' (%s) for %s\n",
Version.c_str(), RelTag.c_str(), Src.c_str());
if (Last != 0 || VerTag.empty() == true)
break;
_error->Error(_("Can not find version '%s' of package '%s'"), VerTag.c_str(), TmpSrc.c_str());
return 0;
}
if (Last == 0 || Last->Jump(Offset) == false)
return 0;
return Last;
}
/*}}}*/
// DoSource - Fetch a source archive /*{{{*/
// ---------------------------------------------------------------------
/* Fetch source packages */
struct DscFile
{
std::string Package;
std::string Version;
std::string Dsc;
};
bool DoSource(CommandLine &CmdL)
{
if (CmdL.FileSize() <= 1)
return _error->Error(_("Must specify at least one package to fetch source for"));
CacheFile Cache;
if (Cache.BuildCaches(false) == false)
return false;
// Create the text record parsers
pkgSourceList * const List = Cache.GetSourceList();
pkgSrcRecords SrcRecs(*List);
if (_error->PendingError() == true)
return false;
std::vector<DscFile> Dsc;
Dsc.reserve(CmdL.FileSize());
// insert all downloaded uris into this set to avoid downloading them
// twice
std::set<std::string> queued;
// Diff only mode only fetches .diff files
bool const diffOnly = _config->FindB("APT::Get::Diff-Only", false);
// Tar only mode only fetches .tar files
bool const tarOnly = _config->FindB("APT::Get::Tar-Only", false);
// Dsc only mode only fetches .dsc files
bool const dscOnly = _config->FindB("APT::Get::Dsc-Only", false);
// Load the requested sources into the fetcher
aptAcquireWithTextStatus Fetcher;
std::vector<std::string> UntrustedList;
for (const char **cmdl = CmdL.FileList + 1; *cmdl != 0; ++cmdl)
{
std::string Src;
pkgSrcRecords::Parser *Last = FindSrc(*cmdl, SrcRecs, Src, Cache);
if (Last == 0) {
return _error->Error(_("Unable to find a source package for %s"),Src.c_str());
}
if (Last->Index().IsTrusted() == false)
UntrustedList.push_back(Src);
std::string srec = Last->AsStr();
std::string::size_type pos = srec.find("\nVcs-");
while (pos != std::string::npos)
{
pos += strlen("\nVcs-");
std::string vcs = srec.substr(pos,srec.find(":",pos)-pos);
if(vcs == "Browser")
{
pos = srec.find("\nVcs-", pos);
continue;
}
pos += vcs.length()+2;
std::string::size_type epos = srec.find("\n", pos);
std::string const uri = srec.substr(pos,epos-pos);
ioprintf(c1out, _("NOTICE: '%s' packaging is maintained in "
"the '%s' version control system at:\n"
"%s\n"),
Src.c_str(), vcs.c_str(), uri.c_str());
std::string vcscmd;
if (vcs == "Bzr")
vcscmd = "bzr branch " + uri;
else if (vcs == "Git")
vcscmd = "git clone " + uri;
if (vcscmd.empty() == false)
ioprintf(c1out,_("Please use:\n%s\n"
"to retrieve the latest (possibly unreleased) "
"updates to the package.\n"),
vcscmd.c_str());
break;
}
// Back track
std::vector<pkgSrcRecords::File> Lst;
if (Last->Files(Lst) == false) {
return false;
}
DscFile curDsc;
// Load them into the fetcher
for (std::vector<pkgSrcRecords::File>::const_iterator I = Lst.begin();
I != Lst.end(); ++I)
{
// Try to guess what sort of file it is we are getting.
if (I->Type == "dsc")
{
curDsc.Package = Last->Package();
curDsc.Version = Last->Version();
curDsc.Dsc = flNotDir(I->Path);
}
// Handle the only options so that multiple can be used at once
if (diffOnly == true || tarOnly == true || dscOnly == true)
{
if ((diffOnly == true && I->Type == "diff") ||
(tarOnly == true && I->Type == "tar") ||
(dscOnly == true && I->Type == "dsc"))
; // Fine, we want this file downloaded
else
continue;
}
// don't download the same uri twice (should this be moved to
// the fetcher interface itself?)
if(queued.find(Last->Index().ArchiveURI(I->Path)) != queued.end())
continue;
queued.insert(Last->Index().ArchiveURI(I->Path));
// check if we have a file with that md5 sum already localy
std::string localFile{flNotDir(I->Path)};
if (FileExists(localFile) == true)
if(I->Hashes.VerifyFile(localFile) == true)
{
ioprintf(c1out,_("Skipping already downloaded file '%s'\n"),
localFile.c_str());
continue;
}
// see if we have a hash (Acquire::ForceHash is the only way to have none)
if (I->Hashes.usable() == false && _config->FindB("APT::Get::AllowUnauthenticated",false) == false)
{
ioprintf(c1out, "Skipping download of file '%s' as requested hashsum is not available for authentication\n",
localFile.c_str());
curDsc.Dsc.clear();
continue;
}
new pkgAcqFile(&Fetcher,Last->Index().ArchiveURI(I->Path),
I->Hashes, I->FileSize, Last->Index().SourceInfo(*Last,*I), Src);
}
Dsc.push_back(std::move(curDsc));
}
// Display statistics
unsigned long long FetchBytes = Fetcher.FetchNeeded();
unsigned long long FetchPBytes = Fetcher.PartialPresent();
unsigned long long DebBytes = Fetcher.TotalNeeded();
if (CheckFreeSpaceBeforeDownload(".", (FetchBytes - FetchPBytes)) == false)
return false;
// Number of bytes
if (DebBytes != FetchBytes)
//TRANSLATOR: The required space between number and unit is already included
// in the replacement strings, so %sB will be correctly translate in e.g. 1,5 MB
ioprintf(c1out,_("Need to get %sB/%sB of source archives.\n"),
SizeToStr(FetchBytes).c_str(),SizeToStr(DebBytes).c_str());
else
//TRANSLATOR: The required space between number and unit is already included
// in the replacement string, so %sB will be correctly translate in e.g. 1,5 MB
ioprintf(c1out,_("Need to get %sB of source archives.\n"),
SizeToStr(DebBytes).c_str());
if (_config->FindB("APT::Get::Simulate",false) == true)
{
for (auto const &D: Dsc)
ioprintf(std::cout, _("Fetch source %s\n"), D.Package.c_str());
return true;
}
// Just print out the uris an exit if the --print-uris flag was used
if (_config->FindB("APT::Get::Print-URIs") == true)
{
pkgAcquire::UriIterator I = Fetcher.UriBegin();
for (; I != Fetcher.UriEnd(); ++I)
std::cout << '\'' << I->URI << "' " << flNotDir(I->Owner->DestFile) << ' ' <<
std::to_string(I->Owner->FileSize) << ' ' << I->Owner->HashSum() << std::endl;
return true;
}
// check authentication status of the source as well
if (UntrustedList.empty() == false && AuthPrompt(UntrustedList, false) == false)
return false;
// Run it
bool Failed = false;
if (AcquireRun(Fetcher, 0, &Failed, NULL) == false || Failed == true)
return _error->Error(_("Failed to fetch some archives."));
if (diffOnly || tarOnly || dscOnly || _config->FindB("APT::Get::Download-only",false) == true)
{
c1out << _("Download complete and in download only mode") << std::endl;
return true;
}
bool const fixBroken = _config->FindB("APT::Get::Fix-Broken", false);
bool SaidCheckIfDpkgDev = false;
for (auto const &D: Dsc)
{
if (unlikely(D.Dsc.empty() == true))
continue;
std::string const Dir = D.Package + '-' + Cache.GetPkgCache()->VS->UpstreamVersion(D.Version.c_str());
// See if the package is already unpacked
struct stat Stat;
if (fixBroken == false && stat(Dir.c_str(),&Stat) == 0 &&
S_ISDIR(Stat.st_mode) != 0)
{
ioprintf(c0out ,_("Skipping unpack of already unpacked source in %s\n"),
Dir.c_str());
}
else
{
// Call dpkg-source
std::string const sourceopts = _config->Find("DPkg::Source-Options", "--no-check -x");
std::string S;
strprintf(S, "%s %s %s",
_config->Find("Dir::Bin::dpkg-source","dpkg-source").c_str(),
sourceopts.c_str(), D.Dsc.c_str());
if (system(S.c_str()) != 0)
{
_error->Error(_("Unpack command '%s' failed.\n"), S.c_str());
if (SaidCheckIfDpkgDev == false)
{
_error->Notice(_("Check if the 'dpkg-dev' package is installed.\n"));
SaidCheckIfDpkgDev = true;
}
continue;
}
}
// Try to compile it with dpkg-buildpackage
if (_config->FindB("APT::Get::Compile",false) == true)
{
std::string buildopts = _config->Find("APT::Get::Host-Architecture");
if (buildopts.empty() == false)
buildopts = "-a" + buildopts + " ";
// get all active build profiles
std::string const profiles = APT::Configuration::getBuildProfilesString();
if (profiles.empty() == false)
buildopts.append(" -P").append(profiles).append(" ");
buildopts.append(_config->Find("DPkg::Build-Options","-b -uc"));
// Call dpkg-buildpackage
std::string S;
strprintf(S, "cd %s && %s %s",
Dir.c_str(),
_config->Find("Dir::Bin::dpkg-buildpackage","dpkg-buildpackage").c_str(),
buildopts.c_str());
if (system(S.c_str()) != 0)
{
_error->Error(_("Build command '%s' failed.\n"), S.c_str());
continue;
}
}
}
return true;
}
/*}}}*/
// DoBuildDep - Install/removes packages to satisfy build dependencies /*{{{*/
// ---------------------------------------------------------------------
/* This function will look at the build depends list of the given source
package and install the necessary packages to make it true, or fail. */
static std::vector<pkgSrcRecords::Parser::BuildDepRec> GetBuildDeps(pkgSrcRecords::Parser * const Last,
char const * const Src, std::string const &hostArch)
{
std::vector<pkgSrcRecords::Parser::BuildDepRec> BuildDeps;
// FIXME: Can't specify architecture to use for [wildcard] matching, so switch default arch temporary
if (hostArch.empty() == false)
{
std::string nativeArch = _config->Find("APT::Architecture");
_config->Set("APT::Architecture", hostArch);
bool Success = Last->BuildDepends(BuildDeps, _config->FindB("APT::Get::Arch-Only", false), false);
_config->Set("APT::Architecture", nativeArch);
if (Success == false)
{
_error->Error(_("Unable to get build-dependency information for %s"), Src);
return {};
}
}
else if (Last->BuildDepends(BuildDeps, _config->FindB("APT::Get::Arch-Only", false), false) == false)
{
_error->Error(_("Unable to get build-dependency information for %s"), Src);
return {};
}
if (BuildDeps.empty() == true)
ioprintf(c1out,_("%s has no build depends.\n"), Src);
return BuildDeps;
}
static void WriteBuildDependencyPackage(std::ostringstream &buildDepsPkgFile,
std::string const &PkgName, std::string const &Arch,
std::vector<pkgSrcRecords::Parser::BuildDepRec> const &Dependencies)
{
buildDepsPkgFile << "Package: " << PkgName << "\n"
<< "Architecture: " << Arch << "\n"
<< "Version: 1\n";
bool const IndepOnly = _config->FindB("APT::Get::Indep-Only", false);
std::string depends, conflicts;
for (auto const &dep: Dependencies)
{
// ArchOnly is handled while parsing the dependencies on input
if (IndepOnly && (dep.Type == pkgSrcRecords::Parser::BuildDependArch ||
dep.Type == pkgSrcRecords::Parser::BuildConflictArch))
continue;
std::string * type;
if (dep.Type == pkgSrcRecords::Parser::BuildConflict ||
dep.Type == pkgSrcRecords::Parser::BuildConflictIndep ||
dep.Type == pkgSrcRecords::Parser::BuildConflictArch)
type = &conflicts;
else
type = &depends;
type->append(" ").append(dep.Package);
if (dep.Version.empty() == false)
type->append(" (").append(pkgCache::CompTypeDeb(dep.Op)).append(" ").append(dep.Version).append(")");
if ((dep.Op & pkgCache::Dep::Or) == pkgCache::Dep::Or)
{
type->append("\n |");
}
else
type->append(",\n");
}
if (depends.empty() == false)
buildDepsPkgFile << "Depends:\n" << depends;
if (conflicts.empty() == false)
buildDepsPkgFile << "Conflicts:\n" << conflicts;
buildDepsPkgFile << "\n";
}
bool DoBuildDep(CommandLine &CmdL)
{
std::string hostArch = _config->Find("APT::Get::Host-Architecture");
if (not hostArch.empty())
{
if (not APT::Configuration::checkArchitecture(hostArch))
{
auto const veryforeign = _config->FindVector("APT::BarbarianArchitectures");
if (std::find(veryforeign.begin(), veryforeign.end(), hostArch) == veryforeign.end())
_error->Warning(_("No architecture information available for %s. See apt.conf(5) APT::Architectures for setup"), hostArch.c_str());
}
}
auto const nativeArch = _config->Find("APT::Architecture");
std::string const pseudoArch = hostArch.empty() ? nativeArch : hostArch;
CacheFile Cache;
Cache.InhibitActionGroups(true);
auto VolatileCmdL = GetPseudoPackages(Cache.GetSourceList(), CmdL, AddVolatileSourceFile, pseudoArch);
auto AreDoingSatisfy = strcasecmp(CmdL.FileList[0], "satisfy") == 0;
if (not AreDoingSatisfy)
_config->Set("APT::Install-Recommends", false);
if (CmdL.FileSize() <= 1 && VolatileCmdL.empty())
return _error->Error(_("Must specify at least one package to check builddeps for"));
std::ostringstream buildDepsPkgFile;
std::vector<PseudoPkg> pseudoPkgs;
// deal with the build essentials first
if (not AreDoingSatisfy)
{
std::vector<pkgSrcRecords::Parser::BuildDepRec> BuildDeps;
for (auto && opt: _config->FindVector("APT::Build-Essential"))
{
if (opt.empty())
continue;
pkgSrcRecords::Parser::BuildDepRec rec;
rec.Package = std::move(opt);
rec.Type = pkgSrcRecords::Parser::BuildDependIndep;
rec.Op = 0;
BuildDeps.push_back(rec);
}
std::string const pseudo = "builddeps:essentials";
WriteBuildDependencyPackage(buildDepsPkgFile, pseudo, nativeArch, BuildDeps);
pseudoPkgs.emplace_back(pseudo, nativeArch, "");
}
if (AreDoingSatisfy)
{
std::vector<pkgSrcRecords::Parser::BuildDepRec> BuildDeps;
for (unsigned i = 1; i < CmdL.FileSize(); i++)
{
const char *Start = CmdL.FileList[i];
const char *Stop = Start + strlen(Start);
auto Type = pkgSrcRecords::Parser::BuildDependIndep;
// Reject '>' and '<' as operators, as they have strange meanings.
bool insideVersionRestriction = false;
for (auto C = Start; C + 1 < Stop; C++)
{
if (*C == '(')
insideVersionRestriction = true;
else if (*C == ')')
insideVersionRestriction = false;
else if (insideVersionRestriction && (*C == '<' || *C == '>'))
{
if (C[1] != *C && C[1] != '=')
return _error->Error(_("Invalid operator '%c' at offset %d, did you mean '%c%c' or '%c='? - in: %s"), *C, (int)(C - Start), *C, *C, *C, Start);
C++;
}
}
if (APT::String::Startswith(Start, "Conflicts:"))
{
Type = pkgSrcRecords::Parser::BuildConflictIndep;
Start += strlen("Conflicts:");
}
while (1)
{
pkgSrcRecords::Parser::BuildDepRec rec;
Start = debListParser::ParseDepends(Start, Stop,
rec.Package, rec.Version, rec.Op, true, false, true, pseudoArch);
if (Start == 0)
return _error->Error("Problem parsing dependency: %s", CmdL.FileList[i]);
rec.Type = Type;
// We parsed a package that was ignored (wrong architecture restriction
// or something).
if (rec.Package.empty())
{
// If we are in an OR group, we need to set the "Or" flag of the
// previous entry to our value.
if (BuildDeps.empty() == false && (BuildDeps[BuildDeps.size() - 1].Op & pkgCache::Dep::Or) == pkgCache::Dep::Or)
{
BuildDeps[BuildDeps.size() - 1].Op &= ~pkgCache::Dep::Or;
BuildDeps[BuildDeps.size() - 1].Op |= (rec.Op & pkgCache::Dep::Or);
}
}
else
{
BuildDeps.emplace_back(std::move(rec));
}
if (Start == Stop)
break;
}
}
std::string const pseudo = "satisfy:command-line";
WriteBuildDependencyPackage(buildDepsPkgFile, pseudo, pseudoArch, BuildDeps);
pseudoPkgs.emplace_back(pseudo, pseudoArch, "");
}
// Read the source list
if (Cache.BuildSourceList() == false)
return false;
pkgSourceList *List = Cache.GetSourceList();
if (not AreDoingSatisfy)
{
auto const VolatileSources = List->GetVolatileFiles();
for (auto &&pkg : VolatileCmdL)
{
if (unlikely(pkg.index == -1))
{
_error->Error(_("Unable to find a source package for %s"), pkg.name.c_str());
continue;
}
if (DirectoryExists(pkg.name))
ioprintf(c1out, _("Note, using directory '%s' to get the build dependencies\n"), pkg.name.c_str());
else
ioprintf(c1out, _("Note, using file '%s' to get the build dependencies\n"), pkg.name.c_str());
std::unique_ptr<pkgSrcRecords::Parser> Last(VolatileSources[pkg.index]->CreateSrcParser());
if (Last == nullptr)
{
_error->Error(_("Unable to find a source package for %s"), pkg.name.c_str());
continue;
}
auto pseudo = std::string("builddeps:") + pkg.name;
WriteBuildDependencyPackage(buildDepsPkgFile, pseudo, pseudoArch,
GetBuildDeps(Last.get(), pkg.name.c_str(), hostArch));
pkg.name = std::move(pseudo);
pseudoPkgs.push_back(std::move(pkg));
}
VolatileCmdL.clear();
}
bool const WantLock = _config->FindB("APT::Get::Print-URIs", false) == false;
if (CmdL.FileList[1] != 0 && not AreDoingSatisfy)
{
if (Cache.BuildCaches(WantLock) == false)
return false;
// Create the text record parsers
pkgSrcRecords SrcRecs(*List);
if (_error->PendingError() == true)
return false;
for (const char **I = CmdL.FileList + 1; *I != 0; ++I)
{
std::string Src;
pkgSrcRecords::Parser * const Last = FindSrc(*I,SrcRecs,Src,Cache);
if (Last == nullptr)
return _error->Error(_("Unable to find a source package for %s"), *I);
std::string const pseudo = std::string("builddeps:") + Src;
WriteBuildDependencyPackage(buildDepsPkgFile, pseudo, pseudoArch,
GetBuildDeps(Last, Src.c_str(), hostArch));
std::string reltag = *I;
size_t found = reltag.find_last_of("/");
if (found == std::string::npos)
reltag.clear();
else
reltag.erase(0, found + 1);
pseudoPkgs.emplace_back(pseudo, pseudoArch, std::move(reltag));
}
}
Cache.AddIndexFile(new debStringPackageIndex(buildDepsPkgFile.str()));
if (Cache.Open(WantLock) == false)
return false;
pkgProblemResolver Fix(Cache.GetDepCache());
APT::PackageSet UpgradablePackages;
APT::PackageVector removeAgain;
{
TryToInstall InstallAction(Cache, &Fix, false);
std::list<std::pair<pkgCache::VerIterator, std::string>> candSwitch;
for (auto const &pkg: pseudoPkgs)
{
pkgCache::PkgIterator const Pkg = Cache->FindPkg(pkg.name, pkg.arch);
if (Pkg.end())
continue;
if (pkg.release.empty())
Cache->SetCandidateVersion(Pkg.VersionList());
else
candSwitch.emplace_back(Pkg.VersionList(), pkg.release);
}
if (candSwitch.empty() == false)
InstallAction.propagateReleaseCandidateSwitching(candSwitch, c0out);
for (auto const &pkg: pseudoPkgs)
{
pkgCache::PkgIterator const Pkg = Cache->FindPkg(pkg.name, pkg.arch);
if (Pkg.end())
continue;
InstallAction(Cache[Pkg].CandidateVerIter(Cache));
removeAgain.push_back(Pkg);
}
{
APT::CacheSetHelper helper;
helper.PackageFrom(APT::CacheSetHelper::PATTERN, &UpgradablePackages, Cache, "?upgradable");
}
InstallAction.doAutoInstall();
OpTextProgress Progress(*_config);
bool const resolver_fail = Fix.Resolve(true, &Progress);
if (resolver_fail == false && Cache->BrokenCount() == 0)
return false;
if (CheckNothingBroken(Cache) == false)
return false;
}
if (DoAutomaticRemove(Cache) == false)
return false;
{
if (_config->FindB(AreDoingSatisfy ? "APT::Get::Satisfy-Automatic" : "APT::Get::Build-Dep-Automatic", false) == false)
{
for (auto const &pkg: removeAgain)
{
auto const instVer = Cache[pkg].InstVerIter(Cache);
if (unlikely(instVer.end() == true))
continue;
for (auto D = instVer.DependsList(); D.end() != true; ++D)
{
if (D->Type != pkgCache::Dep::Depends || D.IsMultiArchImplicit())
continue;
APT::VersionList verlist = APT::VersionList::FromDependency(Cache, D, APT::CacheSetHelper::CANDIDATE);
for (auto const &V : verlist)
{
auto const P = V.ParentPkg();
if (Cache[P].InstallVer != V)
continue;
Cache->MarkAuto(P, false);
}
}
}
}
for (auto const &pkg: removeAgain)
Cache->MarkDelete(pkg, false, 0, true);
}
APT::PackageVector HeldBackPackages;
SortedPackageUniverse Universe(Cache);
for (auto const &Pkg: Universe)
if (Pkg->CurrentVer != 0 && not Cache[Pkg].Upgrade() && not Cache[Pkg].Delete() &&
UpgradablePackages.find(Pkg) != UpgradablePackages.end())
HeldBackPackages.push_back(Pkg);
pseudoPkgs.clear();
if (_error->PendingError() || not InstallPackages(Cache, HeldBackPackages, false, true))
return _error->Error(_("Failed to process build dependencies"));
return true;
}
/*}}}*/
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