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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/cacheiterators.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/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 <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <unistd.h>
#include <iostream>
#include <set>
#include <string>
#include <vector>
#include <apti18n.h>
/*}}}*/
// TryToInstallBuildDep - Try to install a single package /*{{{*/
// ---------------------------------------------------------------------
/* This used to be inlined in DoInstall, but with the advent of regex package
name matching it was split out.. */
static bool TryToInstallBuildDep(pkgCache::PkgIterator Pkg,pkgCacheFile &Cache,
pkgProblemResolver &Fix,bool Remove,bool BrokenFix,
bool AllowFail = true)
{
if (Cache[Pkg].CandidateVer == 0 && Pkg->ProvidesList != 0)
{
CacheSetHelperAPTGet helper(c1out);
helper.showErrors(false);
pkgCache::VerIterator Ver = helper.canNotFindNewestVer(Cache, Pkg);
if (Ver.end() == false)
Pkg = Ver.ParentPkg();
else if (helper.showVirtualPackageErrors(Cache) == false)
return AllowFail;
}
if (_config->FindB("Debug::BuildDeps",false) == true)
{
if (Remove == true)
std::cout << " Trying to remove " << Pkg << std::endl;
else
std::cout << " Trying to install " << Pkg << std::endl;
}
if (Remove == true)
{
TryToRemove RemoveAction(Cache, &Fix);
RemoveAction(Pkg.VersionList());
} else if (Cache[Pkg].CandidateVer != 0) {
TryToInstall InstallAction(Cache, &Fix, BrokenFix);
InstallAction(Cache[Pkg].CandidateVerIter(Cache));
InstallAction.doAutoInstall();
} else
return AllowFail;
return true;
}
/*}}}*/
// GetReleaseFileForSourceRecord - Return Suite for the given srcrecord /*{{{*/
static pkgCache::RlsFileIterator GetReleaseFileForSourceRecord(CacheFile &CacheFile,
pkgSourceList *SrcList, pkgSrcRecords::Parser *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 &CacheFile)
{
std::string VerTag, UserRequestedVerTag;
std::string ArchTag = "";
std::string RelTag = _config->Find("APT::Default-Release");
std::string TmpSrc = Name;
pkgDepCache *Cache = CacheFile.GetDepCache();
// 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. */
bool MatchSrcOnly = _config->FindB("APT::Get::Only-Source");
pkgCache::PkgIterator Pkg;
if (ArchTag != "")
Pkg = Cache->FindPkg(TmpSrc, ArchTag);
else
Pkg = Cache->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->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->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 == "" && ArchTag != "")
{
if (VerTag != "")
_error->Error(_("Can not find a package '%s' with version '%s'"),
Pkg.FullName().c_str(), VerTag.c_str());
if (RelTag != "")
_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
pkgCache::VerIterator const Ver = Cache->GetCandidateVersion(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 *SrcList = CacheFile.GetSourceList();
/* 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();
bool CorrectRelTag = false;
// See if we need to look for a specific release tag
if (RelTag != "" && UserRequestedVerTag == "")
{
pkgCache::RlsFileIterator const Rls = GetReleaseFileForSourceRecord(CacheFile, SrcList, Parse);
if (Rls.end() == false)
{
if ((Rls->Archive != 0 && RelTag == Rls.Archive()) ||
(Rls->Codename != 0 && RelTag == Rls.Codename()))
CorrectRelTag = true;
}
} else
CorrectRelTag = true;
// Ignore all versions which doesn't fit
if (VerTag.empty() == false &&
Cache->VS().CmpVersion(VerTag, Ver) != 0) // exact match
continue;
// Newer version or an exact match? Save the hit
if (CorrectRelTag && (Last == 0 || Cache->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 souce packages */
struct DscFile
{
std::string Package;
std::string Version;
std::string Dsc;
};
bool DoSource(CommandLine &CmdL)
{
CacheFile Cache;
if (Cache.Open(false) == false)
return false;
if (CmdL.FileSize() <= 1)
return _error->Error(_("Must specify at least one package to fetch source for"));
// Read the source list
if (Cache.BuildSourceList() == false)
return false;
pkgSourceList *List = Cache.GetSourceList();
// Create the text record parsers
pkgSrcRecords SrcRecs(*List);
if (_error->PendingError() == true)
return false;
std::unique_ptr<DscFile[]> Dsc(new DscFile[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 requestd sources into the fetcher
aptAcquireWithTextStatus Fetcher;
unsigned J = 0;
std::vector<std::string> UntrustedList;
for (const char **I = CmdL.FileList + 1; *I != 0; I++, J++)
{
std::string Src;
pkgSrcRecords::Parser *Last = FindSrc(*I,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::File2> Lst;
if (Last->Files2(Lst) == false) {
return false;
}
// Load them into the fetcher
for (std::vector<pkgSrcRecords::File2>::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")
{
Dsc[J].Package = Last->Package();
Dsc[J].Version = Last->Version();
Dsc[J].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());
continue;
}
new pkgAcqFile(&Fetcher,Last->Index().ArchiveURI(I->Path),
I->Hashes, I->FileSize, Last->Index().SourceInfo(*Last,*I), Src);
}
}
// 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 (unsigned I = 0; I != J; I++)
ioprintf(std::cout,_("Fetch source %s\n"),Dsc[I].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) << ' ' <<
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 (_config->FindB("APT::Get::Download-only",false) == true)
{
c1out << _("Download complete and in download only mode") << std::endl;
return true;
}
// Unpack the sources
pid_t Process = ExecFork();
if (Process == 0)
{
bool const fixBroken = _config->FindB("APT::Get::Fix-Broken", false);
for (unsigned I = 0; I != J; ++I)
{
std::string Dir = Dsc[I].Package + '-' + Cache->VS().UpstreamVersion(Dsc[I].Version.c_str());
// Diff only mode only fetches .diff files
if (_config->FindB("APT::Get::Diff-Only",false) == true ||
_config->FindB("APT::Get::Tar-Only",false) == true ||
Dsc[I].Dsc.empty() == true)
continue;
// 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", "-x");
std::string S;
strprintf(S, "%s %s %s",
_config->Find("Dir::Bin::dpkg-source","dpkg-source").c_str(),
sourceopts.c_str(), Dsc[I].Dsc.c_str());
if (system(S.c_str()) != 0)
{
fprintf(stderr, _("Unpack command '%s' failed.\n"), S.c_str());
fprintf(stderr, _("Check if the 'dpkg-dev' package is installed.\n"));
_exit(1);
}
}
// 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)
{
fprintf(stderr, _("Build command '%s' failed.\n"), S.c_str());
_exit(1);
}
}
}
_exit(0);
}
return ExecWait(Process, "dpkg-source");
}
/*}}}*/
// InstallBuildDepsLoop /*{{{*/
static bool InstallBuildDepsLoop(CacheFile &Cache, std::string const &Src,
std::vector<pkgSrcRecords::Parser::BuildDepRec> const &BuildDeps,
bool const StripMultiArch, std::string const &hostArch)
{
// Install the requested packages
std::vector <pkgSrcRecords::Parser::BuildDepRec>::const_iterator D;
pkgProblemResolver Fix(Cache);
bool skipAlternatives = false; // skip remaining alternatives in an or group
for (D = BuildDeps.begin(); D != BuildDeps.end(); ++D)
{
bool hasAlternatives = (((*D).Op & pkgCache::Dep::Or) == pkgCache::Dep::Or);
if (skipAlternatives == true)
{
/*
* if there are alternatives, we've already picked one, so skip
* the rest
*
* TODO: this means that if there's a build-dep on A|B and B is
* installed, we'll still try to install A; more importantly,
* if A is currently broken, we cannot go back and try B. To fix
* this would require we do a Resolve cycle for each package we
* add to the install list. Ugh
*/
if (!hasAlternatives)
skipAlternatives = false; // end of or group
continue;
}
if ((*D).Type == pkgSrcRecords::Parser::BuildConflict ||
(*D).Type == pkgSrcRecords::Parser::BuildConflictIndep)
{
pkgCache::GrpIterator Grp = Cache->FindGrp((*D).Package);
// Build-conflicts on unknown packages are silently ignored
if (Grp.end() == true)
continue;
for (pkgCache::PkgIterator Pkg = Grp.PackageList(); Pkg.end() == false; Pkg = Grp.NextPkg(Pkg))
{
pkgCache::VerIterator IV = (*Cache)[Pkg].InstVerIter(*Cache);
/*
* Remove if we have an installed version that satisfies the
* version criteria
*/
if (IV.end() == false &&
Cache->VS().CheckDep(IV.VerStr(),(*D).Op,(*D).Version.c_str()) == true)
TryToInstallBuildDep(Pkg,Cache,Fix,true,false);
}
}
else // BuildDep || BuildDepIndep
{
if (_config->FindB("Debug::BuildDeps",false) == true)
std::cout << "Looking for " << (*D).Package << "...\n";
pkgCache::PkgIterator Pkg;
// Cross-Building?
if (StripMultiArch == false && D->Type != pkgSrcRecords::Parser::BuildDependIndep)
{
size_t const colon = D->Package.find(":");
if (colon != std::string::npos)
{
if (strcmp(D->Package.c_str() + colon, ":any") == 0 || strcmp(D->Package.c_str() + colon, ":native") == 0)
Pkg = Cache->FindPkg(D->Package.substr(0,colon));
else
Pkg = Cache->FindPkg(D->Package);
}
else
Pkg = Cache->FindPkg(D->Package, hostArch);
// a bad version either is invalid or doesn't satify dependency
#define BADVER(Ver) (Ver.end() == true || \
(D->Version.empty() == false && \
Cache->VS().CheckDep(Ver.VerStr(),D->Op,D->Version.c_str()) == false))
APT::VersionList verlist;
if (Pkg.end() == false)
{
pkgCache::VerIterator Ver = (*Cache)[Pkg].InstVerIter(*Cache);
if (BADVER(Ver) == false)
verlist.insert(Ver);
Ver = (*Cache)[Pkg].CandidateVerIter(*Cache);
if (BADVER(Ver) == false)
verlist.insert(Ver);
}
if (verlist.empty() == true)
{
pkgCache::PkgIterator BuildPkg = Cache->FindPkg(D->Package, "native");
if (BuildPkg.end() == false && Pkg != BuildPkg)
{
pkgCache::VerIterator Ver = (*Cache)[BuildPkg].InstVerIter(*Cache);
if (BADVER(Ver) == false)
verlist.insert(Ver);
Ver = (*Cache)[BuildPkg].CandidateVerIter(*Cache);
if (BADVER(Ver) == false)
verlist.insert(Ver);
}
}
#undef BADVER
std::string forbidden;
// We need to decide if host or build arch, so find a version we can look at
APT::VersionList::const_iterator Ver = verlist.begin();
for (; Ver != verlist.end(); ++Ver)
{
forbidden.clear();
if (Ver->MultiArch == pkgCache::Version::No || Ver->MultiArch == pkgCache::Version::All)
{
if (colon == std::string::npos)
Pkg = Ver.ParentPkg().Group().FindPkg(hostArch);
else if (strcmp(D->Package.c_str() + colon, ":any") == 0)
forbidden = "Multi-Arch: no";
else if (strcmp(D->Package.c_str() + colon, ":native") == 0)
Pkg = Ver.ParentPkg().Group().FindPkg("native");
}
else if (Ver->MultiArch == pkgCache::Version::Same)
{
if (colon == std::string::npos)
Pkg = Ver.ParentPkg().Group().FindPkg(hostArch);
else if (strcmp(D->Package.c_str() + colon, ":any") == 0)
forbidden = "Multi-Arch: same";
else if (strcmp(D->Package.c_str() + colon, ":native") == 0)
Pkg = Ver.ParentPkg().Group().FindPkg("native");
}
else if ((Ver->MultiArch & pkgCache::Version::Foreign) == pkgCache::Version::Foreign)
{
if (colon == std::string::npos)
Pkg = Ver.ParentPkg().Group().FindPkg("native");
else if (strcmp(D->Package.c_str() + colon, ":any") == 0 ||
strcmp(D->Package.c_str() + colon, ":native") == 0)
forbidden = "Multi-Arch: foreign";
}
else if ((Ver->MultiArch & pkgCache::Version::Allowed) == pkgCache::Version::Allowed)
{
if (colon == std::string::npos)
Pkg = Ver.ParentPkg().Group().FindPkg(hostArch);
else if (strcmp(D->Package.c_str() + colon, ":any") == 0)
{
// prefer any installed over preferred non-installed architectures
pkgCache::GrpIterator Grp = Ver.ParentPkg().Group();
// we don't check for version here as we are better of with upgrading than remove and install
for (Pkg = Grp.PackageList(); Pkg.end() == false; Pkg = Grp.NextPkg(Pkg))
if (Pkg.CurrentVer().end() == false)
break;
if (Pkg.end() == true)
Pkg = Grp.FindPreferredPkg(true);
}
else if (strcmp(D->Package.c_str() + colon, ":native") == 0)
Pkg = Ver.ParentPkg().Group().FindPkg("native");
}
if (forbidden.empty() == false)
{
if (_config->FindB("Debug::BuildDeps",false) == true)
std::cout << D->Package.substr(colon, std::string::npos) << " is not allowed from " << forbidden << " package " << (*D).Package << " (" << Ver.VerStr() << ")" << std::endl;
continue;
}
//we found a good version
break;
}
if (Ver == verlist.end())
{
if (_config->FindB("Debug::BuildDeps",false) == true)
std::cout << " No multiarch info as we have no satisfying installed nor candidate for " << D->Package << " on build or host arch" << std::endl;
if (forbidden.empty() == false)
{
if (hasAlternatives)
continue;
return _error->Error(_("%s dependency for %s can't be satisfied "
"because %s is not allowed on '%s' packages"),
pkgSrcRecords::Parser::BuildDepType(D->Type), Src.c_str(),
D->Package.c_str(), forbidden.c_str());
}
}
}
else
Pkg = Cache->FindPkg(D->Package);
if (Pkg.end() == true || (Pkg->VersionList == 0 && Pkg->ProvidesList == 0))
{
if (_config->FindB("Debug::BuildDeps",false) == true)
std::cout << " (not found)" << (*D).Package << std::endl;
if (hasAlternatives)
continue;
return _error->Error(_("%s dependency for %s cannot be satisfied "
"because the package %s cannot be found"),
pkgSrcRecords::Parser::BuildDepType(D->Type), Src.c_str(),
(*D).Package.c_str());
}
pkgCache::VerIterator IV = (*Cache)[Pkg].InstVerIter(*Cache);
if (IV.end() == false)
{
if (_config->FindB("Debug::BuildDeps",false) == true)
std::cout << " Is installed\n";
if (D->Version.empty() == true ||
Cache->VS().CheckDep(IV.VerStr(),(*D).Op,(*D).Version.c_str()) == true)
{
skipAlternatives = hasAlternatives;
continue;
}
if (_config->FindB("Debug::BuildDeps",false) == true)
std::cout << " ...but the installed version doesn't meet the version requirement\n";
if (((*D).Op & pkgCache::Dep::LessEq) == pkgCache::Dep::LessEq)
return _error->Error(_("Failed to satisfy %s dependency for %s: Installed package %s is too new"),
pkgSrcRecords::Parser::BuildDepType(D->Type), Src.c_str(), Pkg.FullName(true).c_str());
}
// Only consider virtual packages if there is no versioned dependency
if ((*D).Version.empty() == true)
{
/*
* If this is a virtual package, we need to check the list of
* packages that provide it and see if any of those are
* installed
*/
pkgCache::PrvIterator Prv = Pkg.ProvidesList();
for (; Prv.end() != true; ++Prv)
{
if (_config->FindB("Debug::BuildDeps",false) == true)
std::cout << " Checking provider " << Prv.OwnerPkg().FullName() << std::endl;
if ((*Cache)[Prv.OwnerPkg()].InstVerIter(*Cache).end() == false)
break;
}
if (Prv.end() == false)
{
if (_config->FindB("Debug::BuildDeps",false) == true)
std::cout << " Is provided by installed package " << Prv.OwnerPkg().FullName() << std::endl;
skipAlternatives = hasAlternatives;
continue;
}
}
else // versioned dependency
{
pkgCache::VerIterator CV = (*Cache)[Pkg].CandidateVerIter(*Cache);
if (CV.end() == true ||
Cache->VS().CheckDep(CV.VerStr(),(*D).Op,(*D).Version.c_str()) == false)
{
if (hasAlternatives)
continue;
else if (CV.end() == false)
return _error->Error(_("%s dependency for %s cannot be satisfied "
"because candidate version of package %s "
"can't satisfy version requirements"),
pkgSrcRecords::Parser::BuildDepType(D->Type), Src.c_str(),
D->Package.c_str());
else
return _error->Error(_("%s dependency for %s cannot be satisfied "
"because package %s has no candidate version"),
pkgSrcRecords::Parser::BuildDepType(D->Type), Src.c_str(),
D->Package.c_str());
}
}
if (TryToInstallBuildDep(Pkg,Cache,Fix,false,false,false) == true)
{
// We successfully installed something; skip remaining alternatives
skipAlternatives = hasAlternatives;
if(_config->FindB("APT::Get::Build-Dep-Automatic", false) == true)
Cache->MarkAuto(Pkg, true);
continue;
}
else if (hasAlternatives)
{
if (_config->FindB("Debug::BuildDeps",false) == true)
std::cout << " Unsatisfiable, trying alternatives\n";
continue;
}
else
{
return _error->Error(_("Failed to satisfy %s dependency for %s: %s"),
pkgSrcRecords::Parser::BuildDepType(D->Type),
Src.c_str(),
(*D).Package.c_str());
}
}
}
if (Fix.Resolve(true) == false)
_error->Discard();
// Now we check the state of the packages,
if (Cache->BrokenCount() != 0)
{
ShowBroken(std::cout, Cache, false);
return _error->Error(_("Build-dependencies for %s could not be satisfied."), Src.c_str());
}
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, bool const StripMultiArch, 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), StripMultiArch);
_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), StripMultiArch) == 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;
}
bool DoBuildDep(CommandLine &CmdL)
{
CacheFile Cache;
std::vector<char const *> VolatileCmdL;
Cache.GetSourceList()->AddVolatileFiles(CmdL, &VolatileCmdL);
_config->Set("APT::Install-Recommends", false);
bool WantLock = _config->FindB("APT::Get::Print-URIs", false) == false;
if (Cache.Open(WantLock) == false)
return false;
if (CmdL.FileSize() <= 1 && VolatileCmdL.empty())
return _error->Error(_("Must specify at least one package to check builddeps for"));
bool StripMultiArch;
std::string hostArch = _config->Find("APT::Get::Host-Architecture");
if (hostArch.empty() == false)
{
std::vector<std::string> archs = APT::Configuration::getArchitectures();
if (std::find(archs.begin(), archs.end(), hostArch) == archs.end())
return _error->Error(_("No architecture information available for %s. See apt.conf(5) APT::Architectures for setup"), hostArch.c_str());
StripMultiArch = false;
}
else
StripMultiArch = true;
// deal with the build essentials first
{
std::vector<pkgSrcRecords::Parser::BuildDepRec> BuildDeps;
Configuration::Item const *Opts = _config->Tree("APT::Build-Essential");
if (Opts)
Opts = Opts->Child;
for (; Opts; Opts = Opts->Next)
{
if (Opts->Value.empty() == true)
continue;
pkgSrcRecords::Parser::BuildDepRec rec;
rec.Package = Opts->Value;
rec.Type = pkgSrcRecords::Parser::BuildDependIndep;
rec.Op = 0;
BuildDeps.push_back(rec);
}
if (InstallBuildDepsLoop(Cache, "APT::Build-Essential", BuildDeps, StripMultiArch, hostArch) == false)
return false;
}
// Read the source list
if (Cache.BuildSourceList() == false)
return false;
pkgSourceList *List = Cache.GetSourceList();
// FIXME: Avoid volatile sources == cmdline assumption
{
auto const VolatileSources = List->GetVolatileFiles();
if (VolatileSources.size() == VolatileCmdL.size())
{
for (size_t i = 0; i < VolatileSources.size(); ++i)
{
char const * const Src = VolatileCmdL[i];
if (DirectoryExists(Src))
ioprintf(c1out, _("Note, using directory '%s' to get the build dependencies\n"), Src);
else
ioprintf(c1out, _("Note, using file '%s' to get the build dependencies\n"), Src);
std::unique_ptr<pkgSrcRecords::Parser> Last(VolatileSources[i]->CreateSrcParser());
if (Last == nullptr)
return _error->Error(_("Unable to find a source package for %s"), Src);
auto const BuildDeps = GetBuildDeps(Last.get(), Src, StripMultiArch, hostArch);
if (InstallBuildDepsLoop(Cache, Src, BuildDeps, StripMultiArch, hostArch) == false)
return false;
}
}
else
_error->Error("Implementation error: Volatile sources (%lu) and commandline elements (%lu) do not match!", VolatileSources.size(), VolatileCmdL.size());
}
if (CmdL.FileList[1] != 0)
{
// 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);
auto const BuildDeps = GetBuildDeps(Last, Src.c_str(), StripMultiArch, hostArch);
if (InstallBuildDepsLoop(Cache, Src, BuildDeps, StripMultiArch, hostArch) == false)
return false;
}
}
if (_error->PendingError() || InstallPackages(Cache, false, true) == false)
return _error->Error(_("Failed to process build dependencies"));
return true;
}
/*}}}*/