From 565ded7b65240b25ad8551789ac388c8ce72b1f4 Mon Sep 17 00:00:00 2001 From: Johannes Schauer Date: Tue, 25 Feb 2014 00:12:20 +0100 Subject: implement BuildProfileSpec support as dpkg has in 1.17.2 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Build-dependencies are now able to include a specification limiting usage similar to already supported [arch …]. More details: https://wiki.debian.org/BuildProfileSpec Closes: 661537 --- apt-pkg/deb/deblistparser.cc | 91 ++++++++++++++++++++++++++++++++++++++++++-- apt-pkg/deb/deblistparser.h | 17 +++++++-- apt-pkg/deb/debsrcrecords.cc | 2 +- 3 files changed, 101 insertions(+), 9 deletions(-) (limited to 'apt-pkg') diff --git a/apt-pkg/deb/deblistparser.cc b/apt-pkg/deb/deblistparser.cc index acdcc4554..a4795f15d 100644 --- a/apt-pkg/deb/deblistparser.cc +++ b/apt-pkg/deb/deblistparser.cc @@ -474,18 +474,31 @@ const char *debListParser::ConvertRelation(const char *I,unsigned int &Op) // --------------------------------------------------------------------- /* This parses the dependency elements out of a standard string in place, bit by bit. */ +const char *debListParser::ParseDepends(const char *Start,const char *Stop, + std::string &Package,std::string &Ver,unsigned int &Op) + { return ParseDepends(Start, Stop, Package, Ver, Op, false, true, false); } +const char *debListParser::ParseDepends(const char *Start,const char *Stop, + std::string &Package,std::string &Ver,unsigned int &Op, + bool const &ParseArchFlags) + { return ParseDepends(Start, Stop, Package, Ver, Op, ParseArchFlags, true, false); } +const char *debListParser::ParseDepends(const char *Start,const char *Stop, + std::string &Package,std::string &Ver,unsigned int &Op, + bool const &ParseArchFlags, bool const &StripMultiArch) + { return ParseDepends(Start, Stop, Package, Ver, Op, ParseArchFlags, StripMultiArch, false); } const char *debListParser::ParseDepends(const char *Start,const char *Stop, string &Package,string &Ver, unsigned int &Op, bool const &ParseArchFlags, - bool const &StripMultiArch) + bool const &StripMultiArch, + bool const &ParseRestrictionsList) { // Strip off leading space - for (;Start != Stop && isspace(*Start) != 0; Start++); + for (;Start != Stop && isspace(*Start) != 0; ++Start); // Parse off the package name const char *I = Start; for (;I != Stop && isspace(*I) == 0 && *I != '(' && *I != ')' && - *I != ',' && *I != '|' && *I != '[' && *I != ']'; I++); + *I != ',' && *I != '|' && *I != '[' && *I != ']' && + *I != '<' && *I != '>'; ++I); // Malformed, no '(' if (I != Stop && *I == ')') @@ -602,6 +615,76 @@ const char *debListParser::ParseDepends(const char *Start,const char *Stop, for (;I != Stop && isspace(*I) != 0; I++); } + if (ParseRestrictionsList == true) + { + // Parse a restrictions list + if (I != Stop && *I == '<') + { + ++I; + // malformed + if (unlikely(I == Stop)) + return 0; + + std::vector const profiles = _config->FindVector("APT::Build-Profiles"); + + const char *End = I; + bool Found = false; + bool NegRestriction = false; + while (I != Stop) + { + // look for whitespace or ending '>' + for (;End != Stop && !isspace(*End) && *End != '>'; ++End); + + if (unlikely(End == Stop)) + return 0; + + if (*I == '!') + { + NegRestriction = true; + ++I; + } + + std::string restriction(I, End); + + std::string prefix = "profile."; + // only support for "profile" prefix, ignore others + if (restriction.size() > prefix.size() && + restriction.substr(0, prefix.size()) == prefix) + { + // get the name of the profile + restriction = restriction.substr(prefix.size()); + + if (restriction.empty() == false && profiles.empty() == false && + std::find(profiles.begin(), profiles.end(), restriction) != profiles.end()) + { + Found = true; + if (I[-1] != '!') + NegRestriction = false; + // we found a match, so fast-forward to the end of the wildcards + for (; End != Stop && *End != '>'; ++End); + } + } + + if (*End++ == '>') { + I = End; + break; + } + + I = End; + for (;I != Stop && isspace(*I) != 0; I++); + } + + if (NegRestriction == true) + Found = !Found; + + if (Found == false) + Package = ""; /* not for this restriction */ + } + + // Skip whitespace + for (;I != Stop && isspace(*I) != 0; I++); + } + if (I != Stop && *I == '|') Op |= pkgCache::Dep::Or; @@ -635,7 +718,7 @@ bool debListParser::ParseDepends(pkgCache::VerIterator &Ver, string Version; unsigned int Op; - Start = ParseDepends(Start, Stop, Package, Version, Op, false, false); + Start = ParseDepends(Start, Stop, Package, Version, Op, false, false, false); if (Start == 0) return _error->Error("Problem parsing dependency %s",Tag); size_t const found = Package.rfind(':'); diff --git a/apt-pkg/deb/deblistparser.h b/apt-pkg/deb/deblistparser.h index 386d291a2..0531b20f3 100644 --- a/apt-pkg/deb/deblistparser.h +++ b/apt-pkg/deb/deblistparser.h @@ -72,11 +72,20 @@ class debListParser : public pkgCacheGenerator::ListParser bool LoadReleaseInfo(pkgCache::PkgFileIterator &FileI,FileFd &File, std::string section); - + + static const char *ParseDepends(const char *Start,const char *Stop, + std::string &Package,std::string &Ver,unsigned int &Op); static const char *ParseDepends(const char *Start,const char *Stop, - std::string &Package,std::string &Ver,unsigned int &Op, - bool const &ParseArchFlags = false, - bool const &StripMultiArch = true); + std::string &Package,std::string &Ver,unsigned int &Op, + bool const &ParseArchFlags); + static const char *ParseDepends(const char *Start,const char *Stop, + std::string &Package,std::string &Ver,unsigned int &Op, + bool const &ParseArchFlags, bool const &StripMultiArch); + static const char *ParseDepends(const char *Start,const char *Stop, + std::string &Package,std::string &Ver,unsigned int &Op, + bool const &ParseArchFlags, bool const &StripMultiArch, + bool const &ParseRestrictionsList); + static const char *ConvertRelation(const char *I,unsigned int &Op); debListParser(FileFd *File, std::string const &Arch = ""); diff --git a/apt-pkg/deb/debsrcrecords.cc b/apt-pkg/deb/debsrcrecords.cc index ce55ccd1f..90182b4a4 100644 --- a/apt-pkg/deb/debsrcrecords.cc +++ b/apt-pkg/deb/debsrcrecords.cc @@ -90,7 +90,7 @@ bool debSrcRecordParser::BuildDepends(std::vectorError("Problem parsing dependency: %s", fields[I]); -- cgit v1.2.3