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authorArch Librarian <arch@canonical.com>2004-09-20 17:01:18 +0000
committerArch Librarian <arch@canonical.com>2004-09-20 17:01:18 +0000
commiteba2b51d9eb9d0ed6a7ffd540c076870105aecc0 (patch)
treeaed3c6bc5f654fd8d43beda9725be12b0d7138d6 /cmdline/apt-cache.cc
parent14cb8abc9fe35ef6892b445ac874aea6dd6976db (diff)
Add a rdepends command to apt-cache.
Author: doogie Date: 2003-04-27 02:47:44 GMT Add a rdepends command to apt-cache.
Diffstat (limited to 'cmdline/apt-cache.cc')
-rw-r--r--cmdline/apt-cache.cc126
1 files changed, 113 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},