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authorArch Librarian <arch@canonical.com>2004-09-20 16:52:54 +0000
committerArch Librarian <arch@canonical.com>2004-09-20 16:52:54 +0000
commit7e2e2d5d4bf08549a535a484be9a258b7e9dcc61 (patch)
tree1ab61f78b0ae767f97b5a072bfd76908b294f809 /cmdline/apt-cache.cc
parent9dbb421ffcf7da89f4010a14e64903189c5e472a (diff)
apt-cache enhancments
Author: jgg Date: 1999-02-19 08:57:41 GMT apt-cache enhancments
Diffstat (limited to 'cmdline/apt-cache.cc')
-rw-r--r--cmdline/apt-cache.cc94
1 files changed, 84 insertions, 10 deletions
diff --git a/cmdline/apt-cache.cc b/cmdline/apt-cache.cc
index f9ba327fa..8a3a63695 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 1.27 1999/02/19 07:56:07 jgg Exp $
+// $Id: apt-cache.cc,v 1.28 1999/02/19 08:57:41 jgg Exp $
/* ######################################################################
apt-cache - Manages the cache files
@@ -450,12 +450,52 @@ bool DoAdd(CommandLine &CmdL)
return true;
}
/*}}}*/
+// DisplayRecord - Displays the complete record for the package /*{{{*/
+// ---------------------------------------------------------------------
+/* This displays the package record from the proper package index file.
+ It is not used by DumpAvail for performance reasons. */
+bool DisplayRecord(pkgCache::VerIterator V)
+{
+ // Find an appropriate file
+ pkgCache::VerFileIterator Vf = V.FileList();
+ for (; Vf.end() == false; Vf++)
+ if ((Vf.File()->Flags & pkgCache::Flag::NotSource) == 0)
+ break;
+ if (Vf.end() == true)
+ Vf = V.FileList();
+
+ // Check and load the package list file
+ pkgCache::PkgFileIterator I = Vf.File();
+ if (I.IsOk() == false)
+ return _error->Error("Package file %s is out of sync.",I.FileName());
+
+ FileFd PkgF(I.FileName(),FileFd::ReadOnly);
+ if (_error->PendingError() == true)
+ return false;
+
+ // Read the record and then write it out again.
+ unsigned char *Buffer = new unsigned char[GCache->HeaderP->MaxVerFileSize];
+ if (PkgF.Seek(V.FileList()->Offset) == false ||
+ PkgF.Read(Buffer,V.FileList()->Size) == false ||
+ write(STDOUT_FILENO,Buffer,V.FileList()->Size) != V.FileList()->Size)
+ {
+ delete [] Buffer;
+ return false;
+ }
+
+ delete [] Buffer;
+
+ return true;
+}
+ /*}}}*/
// Search - Perform a search /*{{{*/
// ---------------------------------------------------------------------
/* This searches the package names and pacakge descriptions for a pattern */
bool Search(CommandLine &CmdL)
{
pkgCache &Cache = *GCache;
+ bool ShowFull = _config->FindB("APT::Cache::ShowFull",false);
+ bool NamesOnly = _config->FindB("APT::Cache::NamesOnly",false);
// Make sure there is at least one argument
if (CmdL.FileSize() != 2)
@@ -476,16 +516,21 @@ bool Search(CommandLine &CmdL)
pkgCache::PkgIterator I = Cache.PkgBegin();
for (;I.end() != true; I++)
{
- if (regexec(&Pattern,I.Name(),0,0,0) == 0)
+ // We search against the install version as that makes the most sense..
+ pkgCache::VerIterator V = GetCandidateVer(I);
+ if (V.end() == true)
+ continue;
+
+ pkgRecords::Parser &P = Recs.Lookup(V.FileList());
+
+ if (regexec(&Pattern,I.Name(),0,0,0) == 0 ||
+ (NamesOnly == false &&
+ regexec(&Pattern,P.LongDesc().c_str(),0,0,0) == 0))
{
- cout << I.Name();
- if (I->VersionList != 0)
- {
- pkgRecords::Parser &P = Recs.Lookup(I.VersionList().FileList());
- cout << " - " << P.ShortDesc() << endl;
- }
- else
- cout << " [virtual package]" << endl;
+ if (ShowFull == true)
+ DisplayRecord(V);
+ else
+ cout << I.Name() << " - " << P.ShortDesc() << endl;
}
}
@@ -493,6 +538,31 @@ bool Search(CommandLine &CmdL)
return true;
}
/*}}}*/
+// ShowPackage - Dump the package record to the screen /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+bool ShowPackage(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;
+ }
+
+ // Find the proper version to use. We should probably use the DepCache.
+ pkgCache::VerIterator V = GetCandidateVer(Pkg);
+ if (V.end() == true || V.FileList().end() == true)
+ continue;
+ if (DisplayRecord(V) == false)
+ return false;
+ }
+ return true;
+}
+ /*}}}*/
// GenCaches - Call the main cache generator /*{{{*/
// ---------------------------------------------------------------------
/* */
@@ -533,6 +603,7 @@ bool ShowHelp(CommandLine &Cmd)
cout << " unmet - Show unmet dependencies" << endl;
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 << endl;
cout << "Options:" << endl;
cout << " -h This help text." << endl;
@@ -565,6 +636,8 @@ int main(int argc,const char *argv[])
{'s',"src-cache","Dir::Cache::srcpkgcache",CommandLine::HasArg},
{'q',"quiet","quiet",CommandLine::IntLevel},
{'i',"important","APT::Cache::Important",0},
+ {'f',"full","APT::Cache::ShowFull",0},
+ {0,"names-only","APT::Cache::NamesOnly",0},
{'c',"config-file",0,CommandLine::ConfigFile},
{'o',"option",0,CommandLine::ArbItem},
{0,0,0,0}};
@@ -579,6 +652,7 @@ int main(int argc,const char *argv[])
{"unmet",&UnMet},
{"check",&Check},
{"search",&Search},
+ {"show",&ShowPackage},
{0,0}};
CacheInitialize();