diff options
| -rw-r--r-- | cmdline/apt-cache.cc | 126 | ||||
| -rw-r--r-- | debian/changelog | 1 | ||||
| -rw-r--r-- | doc/apt-cache.8.sgml | 7 |
3 files changed, 121 insertions, 13 deletions
diff --git a/cmdline/apt-cache.cc b/cmdline/apt-cache.cc index 326bef1b8..ed3c31531 100644 --- a/cmdline/apt-cache.cc +++ b/cmdline/apt-cache.cc @@ -1,6 +1,6 @@ // -*- mode: cpp; mode: fold -*- // Description /*{{{*/ -// $Id: apt-cache.cc,v 1.62 2003/04/27 01:32:48 doogie Exp $ +// $Id: apt-cache.cc,v 1.63 2003/04/27 02:47:44 doogie Exp $ /* ###################################################################### apt-cache - Manages the cache files @@ -529,6 +529,7 @@ bool Depends(CommandLine &CmdL) } bool Recurse = _config->FindB("APT::Cache::RecurseDepends",false); + bool Installed = _config->FindB("APT::Cache::Installed",false); bool DidSomething; do { @@ -551,20 +552,27 @@ bool Depends(CommandLine &CmdL) for (pkgCache::DepIterator D = Ver.DependsList(); D.end() == false; D++) { - if ((D->CompareOp & pkgCache::Dep::Or) == pkgCache::Dep::Or) - cout << " |"; - else - cout << " "; - - // Show the package + pkgCache::PkgIterator Trg = D.TargetPkg(); - if (Trg->VersionList == 0) - cout << D.DepType() << ": <" << Trg.Name() << ">" << endl; - else - cout << D.DepType() << ": " << Trg.Name() << endl; + + if((Installed && Trg->CurrentVer != 0) || !Installed) + { + + if ((D->CompareOp & pkgCache::Dep::Or) == pkgCache::Dep::Or) + cout << " |"; + else + cout << " "; - if (Recurse == true) - Colours[D.TargetPkg()->ID]++; + // Show the package + if (Trg->VersionList == 0) + cout << D.DepType() << ": <" << Trg.Name() << ">" << endl; + else + cout << D.DepType() << ": " << Trg.Name() << endl; + + if (Recurse == true) + Colours[D.TargetPkg()->ID]++; + + } // Display all solutions SPtrArray<pkgCache::Version *> List = D.AllTargets(); @@ -587,6 +595,95 @@ bool Depends(CommandLine &CmdL) return true; } + +// RDepends - Print out a reverse dependency tree - mbc /*{{{*/ +// --------------------------------------------------------------------- +/* */ +bool RDepends(CommandLine &CmdL) +{ + pkgCache &Cache = *GCache; + SPtrArray<unsigned> Colours = new unsigned[Cache.Head().PackageCount]; + memset(Colours,0,sizeof(*Colours)*Cache.Head().PackageCount); + + for (const char **I = CmdL.FileList + 1; *I != 0; I++) + { + pkgCache::PkgIterator Pkg = Cache.FindPkg(*I); + if (Pkg.end() == true) + { + _error->Warning(_("Unable to locate package %s"),*I); + continue; + } + Colours[Pkg->ID] = 1; + } + + bool Recurse = _config->FindB("APT::Cache::RecurseDepends",false); + bool Installed = _config->FindB("APT::Cache::Installed",false); + bool DidSomething; + do + { + DidSomething = false; + for (pkgCache::PkgIterator Pkg = Cache.PkgBegin(); Pkg.end() == false; Pkg++) + { + if (Colours[Pkg->ID] != 1) + continue; + Colours[Pkg->ID] = 2; + DidSomething = true; + + pkgCache::VerIterator Ver = Pkg.VersionList(); + if (Ver.end() == true) + { + cout << '<' << Pkg.Name() << '>' << endl; + continue; + } + + cout << Pkg.Name() << endl; + + cout << "Reverse Depends:" << endl; + for (pkgCache::DepIterator D = Pkg.RevDependsList(); D.end() == false; D++) + { + // Show the package + pkgCache::PkgIterator Trg = D.ParentPkg(); + + if((Installed && Trg->CurrentVer != 0) || !Installed) + { + + if ((D->CompareOp & pkgCache::Dep::Or) == pkgCache::Dep::Or) + cout << " |"; + else + cout << " "; + + if (Trg->VersionList == 0) + cout << D.DepType() << ": <" << Trg.Name() << ">" << endl; + else + cout << Trg.Name() << endl; + + if (Recurse == true) + Colours[D.ParentPkg()->ID]++; + + } + + // Display all solutions + SPtrArray<pkgCache::Version *> List = D.AllTargets(); + pkgPrioSortList(Cache,List); + for (pkgCache::Version **I = List; *I != 0; I++) + { + pkgCache::VerIterator V(Cache,*I); + if (V != Cache.VerP + V.ParentPkg()->VersionList || + V->ParentPkg == D->Package) + continue; + cout << " " << V.ParentPkg().Name() << endl; + + if (Recurse == true) + Colours[D.ParentPkg()->ID]++; + } + } + } + } + while (DidSomething == true); + + return true; +} + /*}}}*/ @@ -1498,6 +1595,7 @@ bool ShowHelp(CommandLine &Cmd) " search - Search the package list for a regex pattern\n" " show - Show a readable record for the package\n" " depends - Show raw dependency information for a package\n" + " rdepends - Show reverse dependency information for a package\n" " pkgnames - List the names of all packages\n" " dotty - Generate package graphs for GraphVis\n" " xvcg - Generate package graphs for xvcg\n" @@ -1542,6 +1640,7 @@ int main(int argc,const char *argv[]) {0,"recurse","APT::Cache::RecurseDepends",0}, {'c',"config-file",0,CommandLine::ConfigFile}, {'o',"option",0,CommandLine::ArbItem}, + {'n',"installed","APT::Cache::Installed",0}, {0,0,0,0}}; CommandLine::Dispatch CmdsA[] = {{"help",&ShowHelp}, {"add",&DoAdd}, @@ -1555,6 +1654,7 @@ int main(int argc,const char *argv[]) {"unmet",&UnMet}, {"search",&Search}, {"depends",&Depends}, + {"rdepends",&RDepends}, {"dotty",&Dotty}, {"xvcg",&XVcg}, {"show",&ShowPackage}, diff --git a/debian/changelog b/debian/changelog index 91e8a7308..e8dd88543 100644 --- a/debian/changelog +++ b/debian/changelog @@ -115,6 +115,7 @@ apt (0.5.4.9) unstable; urgency=low #54982. * Insert some newlines in the cdrom change media message. Closes: #154601. + * Add a rdepends command to apt-cache. Closes: #159864. -- Adam Heath <doogie@debian.org> Sun, 02 Feb 2003 02:54:45 -0600 diff --git a/doc/apt-cache.8.sgml b/doc/apt-cache.8.sgml index a3263bda0..a52e21222 100644 --- a/doc/apt-cache.8.sgml +++ b/doc/apt-cache.8.sgml @@ -40,6 +40,7 @@ <arg>show <arg choice="plain" rep="repeat"><replaceable>pkg</replaceable></arg></arg> <arg>showpkg <arg choice="plain" rep="repeat"><replaceable>pkg</replaceable></arg></arg> <arg>depends <arg choice="plain" rep="repeat"><replaceable>pkg</replaceable></arg></arg> + <arg>rdepends <arg choice="plain" rep="repeat"><replaceable>pkg</replaceable></arg></arg> <arg>pkgnames <arg choice="plain"><replaceable>prefix</replaceable></arg></arg> <arg>dotty <arg choice="plain" rep="repeat"><replaceable>pkg</replaceable></arg></arg> <arg>policy <arg choice="plain" rep="repeat"><replaceable>pkgs</replaceable></arg></arg> @@ -224,6 +225,12 @@ Reverse Provides: and all the possible other packages that can fulfill that dependency. </VarListEntry> + <VarListEntry><Term>rdepends <replaceable/pkg(s)/</Term> + <ListItem><Para> + <literal/rdepends/ shows a listing of each reverse dependency a package + has. + </VarListEntry> + <VarListEntry><Term>pkgnames <replaceable/[ prefix ]/</Term> <ListItem><Para> This command prints the name of each package in the system. The optional |