Clean support

Author: jgg
Date: 1999-02-01 08:11:57 GMT
Clean support

6 files changed, 174 insertions, 8 deletions

diff --git a/apt-pkg/acquire-item.cc b/apt-pkg/acquire-item.cc
index beb4260ac..ebef611d8 100644
--- a/apt-pkg/acquire-item.cc
+++ b/apt-pkg/acquire-item.cc
@@ -1,6 +1,6 @@
 // -*- mode: cpp; mode: fold -*-
 // Description								/*{{{*/
-// $Id: acquire-item.cc,v 1.22 1999/02/01 02:22:11 jgg Exp $
+// $Id: acquire-item.cc,v 1.23 1999/02/01 08:11:57 jgg Exp $
 /* ######################################################################
 
    Acquire Item - Item to acquire
@@ -363,7 +363,7 @@ pkgAcqArchive::pkgAcqArchive(pkgAcquire *Owner,pkgSourceList *Sources,
    // Generate the final file name as: package_version_arch.deb
    StoreFilename = QuoteString(Version.ParentPkg().Name(),"_:") + '_' +
                    QuoteString(Version.VerStr(),"_:") + '_' +
-                   QuoteString(Version.Arch(),"_:") + ".deb";
+                   QuoteString(Version.Arch(),"_:.") + ".deb";
    
    // Select a source
    if (QueueNext() == false && _error->PendingError() == false)
diff --git a/apt-pkg/clean.cc b/apt-pkg/clean.cc
new file mode 100644
index 000000000..db47b1cc4
--- /dev/null
+++ b/apt-pkg/clean.cc
@@ -0,0 +1,111 @@
+// -*- mode: cpp; mode: fold -*-
+// Description								/*{{{*/
+// $Id: clean.cc,v 1.1 1999/02/01 08:11:57 jgg Exp $
+/* ######################################################################
+
+   Clean - Clean out downloaded directories
+   
+   ##################################################################### */
+									/*}}}*/
+// Includes								/*{{{*/
+#ifdef __GNUG__
+#pragma implementation "apt-pkg/clean.h"
+#endif
+
+#include <apt-pkg/clean.h>
+#include <apt-pkg/strutl.h>
+#include <apt-pkg/error.h>
+
+#include <dirent.h>
+#include <sys/stat.h>
+#include <unistd.h>
+									/*}}}*/
+
+// ArchiveCleaner::Go - Perform smart cleanup of the archive		/*{{{*/
+// ---------------------------------------------------------------------
+/* Scan the directory for files to erase, we check the version information
+   against our database to see if it is interesting */
+bool pkgArchiveCleaner::Go(string Dir,pkgCache &Cache)
+{
+   DIR *D = opendir(Dir.c_str());   
+   if (D == 0)
+      return _error->Errno("opendir","Unable to read %s",Dir.c_str());
+   
+   string StartDir = SafeGetCWD();
+   if (chdir(Dir.c_str()) != 0)
+   {
+      closedir(D);
+      return _error->Errno("chdir","Unable to change to ",Dir.c_str());
+   }
+   
+   for (struct dirent *Dir = readdir(D); Dir != 0; Dir = readdir(D))
+   {
+      // Skip some files..
+      if (strcmp(Dir->d_name,"lock") == 0 ||
+	  strcmp(Dir->d_name,"partial") == 0 ||
+	  strcmp(Dir->d_name,".") == 0 ||
+	  strcmp(Dir->d_name,"..") == 0)
+	 continue;
+
+      struct stat St;
+      if (stat(Dir->d_name,&St) != 0)
+	 return _error->Errno("stat","Unable to stat %s.",Dir->d_name);
+
+      // Grab the package name
+      const char *I = Dir->d_name;
+      for (; *I != 0 && *I != '_';I++);
+      if (*I != '_')
+	 continue;
+      string Pkg = DeQuoteString(string(Dir->d_name,I-Dir->d_name));
+
+      // Grab the version
+      const char *Start = I + 1;
+      for (I = Start; *I != 0 && *I != '_';I++);
+      if (*I != '_')
+	 continue;
+      string Ver = DeQuoteString(string(Start,I-Start));
+  
+      // Grab the arch
+      Start = I + 1;
+      for (I = Start; *I != 0 && *I != '.' ;I++);
+      if (*I != '.')
+	 continue;
+      string Arch = DeQuoteString(string(Start,I-Start));
+            
+      // Lookup the package
+      pkgCache::PkgIterator P = Cache.FindPkg(Pkg);
+      if (P.end() != true)
+      {
+	 pkgCache::VerIterator V = P.VersionList();
+	 for (; V.end() == false; V++)
+	 {
+	    // See if we can fetch this version at all
+	    bool IsFetchable = false;
+	    for (pkgCache::VerFileIterator J = V.FileList(); 
+		 J.end() == false; J++)
+	    {
+	       if ((J.File()->Flags & pkgCache::Flag::NotSource) != 0)
+		  continue;
+	       IsFetchable = true;
+	       break;
+	    }
+	    
+	    // See if this verison matches the file
+	    if (IsFetchable == true && Ver == V.VerStr())
+	       break;
+	 }
+	 
+	 // We found a match, keep the file
+	 if (V.end() == false)
+	    continue;
+      }
+            
+      Erase(Dir->d_name,Pkg,Ver,St);
+      unlink(Dir->d_name);
+   };
+   
+   chdir(StartDir.c_str());
+   closedir(D);
+   return true;   
+}
+									/*}}}*/
diff --git a/apt-pkg/clean.h b/apt-pkg/clean.h
new file mode 100644
index 000000000..afb5aa4f5
--- /dev/null
+++ b/apt-pkg/clean.h
@@ -0,0 +1,30 @@
+// -*- mode: cpp; mode: fold -*-
+// Description								/*{{{*/
+// $Id: clean.h,v 1.1 1999/02/01 08:11:57 jgg Exp $
+/* ######################################################################
+
+   Clean - Clean out downloaded directories
+   
+   ##################################################################### */
+									/*}}}*/
+#ifndef APTPKG_CLEAN_H
+#define APTPKG_CLEAN_H
+
+#ifdef __GNUG__
+#pragma interface "apt-pkg/clean.h"
+#endif 
+
+#include <apt-pkg/pkgcache.h>
+
+class pkgArchiveCleaner
+{
+   protected:
+   
+   virtual void Erase(const char *File,string Pkg,string Ver,struct stat &St) {};
+
+   public:   
+   
+   bool Go(string Dir,pkgCache &Cache);
+};
+
+#endif
diff --git a/apt-pkg/contrib/strutl.cc b/apt-pkg/contrib/strutl.cc
index e0188e3b8..b5086be04 100644
--- a/apt-pkg/contrib/strutl.cc
+++ b/apt-pkg/contrib/strutl.cc
@@ -1,6 +1,6 @@
 // -*- mode: cpp; mode: fold -*-
 // Description								/*{{{*/
-// $Id: strutl.cc,v 1.18 1999/01/27 02:48:52 jgg Exp $
+// $Id: strutl.cc,v 1.19 1999/02/01 08:11:57 jgg Exp $
 /* ######################################################################
 
    String Util - Some usefull string functions.
@@ -116,7 +116,7 @@ bool ParseQuoteWord(const char *&String,string &Res)
       {
 	 Tmp[0] = Start[1];
 	 Tmp[1] = Start[2];
-	 Tmp[3] = 0;
+	 Tmp[2] = 0;
 	 *I = (char)strtol(Tmp,0,16);
 	 Start += 3;
 	 continue;
@@ -177,6 +177,30 @@ bool ParseCWord(const char *String,string &Res)
    return true;
 }
 									/*}}}*/
+// DeQuoteString - Convert a string from quoted from			/*{{{*/
+// ---------------------------------------------------------------------
+/* This undoes QuoteString */
+string DeQuoteString(string Str)
+{
+   string Res;
+   for (string::iterator I = Str.begin(); I != Str.end(); I++)
+   {
+      if (*I == '%' && I + 2 < Str.end())
+      {
+	 char Tmp[3];
+	 Tmp[0] = I[1];
+	 Tmp[1] = I[2];
+	 Tmp[2] = 0;
+	 Res += (char)strtol(Tmp,0,16);
+	 I += 2;
+	 continue;
+      }
+      else
+	 Res += *I;
+   }
+   return Res;
+}
+									/*}}}*/
 // QuoteString - Convert a string into quoted from			/*{{{*/
 // ---------------------------------------------------------------------
 /* */
diff --git a/apt-pkg/contrib/strutl.h b/apt-pkg/contrib/strutl.h
index e9a31f144..a79f28e4e 100644
--- a/apt-pkg/contrib/strutl.h
+++ b/apt-pkg/contrib/strutl.h
@@ -1,6 +1,6 @@
 // -*- mode: cpp; mode: fold -*-
 // Description								/*{{{*/
-// $Id: strutl.h,v 1.11 1999/01/27 02:48:53 jgg Exp $
+// $Id: strutl.h,v 1.12 1999/02/01 08:11:57 jgg Exp $
 /* ######################################################################
 
    String Util - These are some usefull string functions
@@ -30,6 +30,7 @@ char *_strtabexpand(char *String,size_t Len);
 bool ParseQuoteWord(const char *&String,string &Res);
 bool ParseCWord(const char *String,string &Res);
 string QuoteString(string Str,const char *Bad);
+string DeQuoteString(string Str);
 string SizeToStr(double Bytes);
 string TimeToStr(unsigned long Sec);
 string SubstVar(string Str,string Subst,string Contents);
diff --git a/apt-pkg/makefile b/apt-pkg/makefile
index 08b8b2941..87a5e46f6 100644
--- a/apt-pkg/makefile
+++ b/apt-pkg/makefile
@@ -24,9 +24,9 @@ SOURCE = contrib/mmap.cc contrib/error.cc contrib/strutl.cc \
 SOURCE+= pkgcache.cc version.cc fileutl.cc pkgcachegen.cc depcache.cc \
          orderlist.cc tagfile.cc sourcelist.cc packagemanager.cc \
 	 pkgrecords.cc algorithms.cc acquire.cc acquire-item.cc \
-	 acquire-worker.cc acquire-method.cc init.cc templates.cc
+	 acquire-worker.cc acquire-method.cc init.cc clean.cc templates.cc
 
-# Source code for the debian specific components	 
+# Source code for the debian specific components
 SOURCE+= deb/deblistparser.cc deb/debrecords.cc deb/dpkgpm.cc deb/dpkginit.cc
 
 # Public apt-pkg header files
@@ -35,7 +35,7 @@ HEADERS = algorithms.h depcache.h mmap.h pkgcachegen.h cacheiterators.h \
           packagemanager.h tagfile.h deblistparser.h init.h pkgcache.h \
           version.h progress.h pkgrecords.h debrecords.h cmndline.h \
 	  acquire.h acquire-worker.h acquire-item.h acquire-method.h md5.h \
-	  dpkgpm.h dpkginit.h cdromutl.h strutl.h
+	  dpkgpm.h dpkginit.h cdromutl.h strutl.h clean.h
 
 HEADERS := $(addprefix apt-pkg/,$(HEADERS))