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authorArch Librarian <arch@canonical.com>2004-09-20 16:54:19 +0000
committerArch Librarian <arch@canonical.com>2004-09-20 16:54:19 +0000
commit349cd3b8dbb1e218b31443be55933b01042c4acf (patch)
tree756c95331ad46dd0609f966a260e87ecf4519b28 /cmdline/apt-cache.cc
parent1089ca897591b5b493b0085d37bec18017614bdd (diff)
Added a depends option to apt-cache
Author: jgg Date: 1999-07-15 03:15:48 GMT Added a depends option to apt-cache
Diffstat (limited to 'cmdline/apt-cache.cc')
-rw-r--r--cmdline/apt-cache.cc60
1 files changed, 59 insertions, 1 deletions
diff --git a/cmdline/apt-cache.cc b/cmdline/apt-cache.cc
index de5fc615b..12d306fc1 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 1.36 1999/05/14 02:51:36 jgg Exp $
+// $Id: apt-cache.cc,v 1.37 1999/07/15 03:15:49 jgg Exp $
/* ######################################################################
apt-cache - Manages the cache files
@@ -379,6 +379,62 @@ bool DumpAvail(CommandLine &Cmd)
return true;
}
/*}}}*/
+// Depends - Print out a dependency tree /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+bool Depends(CommandLine &CmdL)
+{
+ pkgCache &Cache = *GCache;
+
+ 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;
+ }
+
+ pkgCache::VerIterator Ver = Pkg.VersionList();
+ if (Ver.end() == true)
+ {
+ cout << '<' << Pkg.Name() << '>' << endl;
+ continue;
+ }
+
+ cout << Pkg.Name() << endl;
+
+ 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;
+
+ // Display all solutions
+ pkgCache::Version **List = D.AllTargets();
+ 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;
+ }
+ delete [] List;
+ }
+ }
+
+ return true;
+}
+ /*}}}*/
// DoAdd - Perform an adding operation /*{{{*/
// ---------------------------------------------------------------------
/* */
@@ -582,6 +638,7 @@ bool ShowHelp(CommandLine &Cmd)
cout << " check - Check the cache a bit" << endl;
cout << " search - Search the package list for a regex pattern" << endl;
cout << " show - Show a readable record for the package" << endl;
+ cout << " depends - Show raw dependency information for a package" << endl;
cout << endl;
cout << "Options:" << endl;
cout << " -h This help text." << endl;
@@ -630,6 +687,7 @@ int main(int argc,const char *argv[])
{"unmet",&UnMet},
{"check",&Check},
{"search",&Search},
+ {"depends",&Depends},
{"show",&ShowPackage},
{0,0}};