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-rw-r--r--cmdline/apt-get.cc28
1 files changed, 27 insertions, 1 deletions
diff --git a/cmdline/apt-get.cc b/cmdline/apt-get.cc
index 48b21a31f..5ff6d2f8f 100644
--- a/cmdline/apt-get.cc
+++ b/cmdline/apt-get.cc
@@ -38,6 +38,7 @@
#include <apt-pkg/version.h>
#include <apt-pkg/cachefile.h>
#include <apt-pkg/sptr.h>
+#include <apt-pkg/md5.h>
#include <apt-pkg/versionmatch.h>
#include <config.h>
@@ -45,6 +46,7 @@
#include "acqprogress.h"
+#include <set>
#include <locale.h>
#include <langinfo.h>
#include <fstream>
@@ -1899,6 +1901,9 @@ bool DoSource(CommandLine &CmdL)
DscFile *Dsc = new DscFile[CmdL.FileSize()];
+ // insert all downloaded uris into this set to avoid downloading them
+ // twice
+ set<string> queued;
// Load the requestd sources into the fetcher
unsigned J = 0;
for (const char **I = CmdL.FileList + 1; *I != 0; I++, J++)
@@ -1935,7 +1940,28 @@ bool DoSource(CommandLine &CmdL)
if (_config->FindB("APT::Get::Tar-Only",false) == true &&
I->Type != "tar")
continue;
-
+
+ // don't download the same uri twice (should this be moved to
+ // the fetcher interface itself?)
+ if(queued.find(Last->Index().ArchiveURI(I->Path)) != queued.end())
+ continue;
+ queued.insert(Last->Index().ArchiveURI(I->Path));
+
+ // check if we have a file with that md5 sum already localy
+ if(!I->MD5Hash.empty() && FileExists(flNotDir(I->Path)))
+ {
+ FileFd Fd(flNotDir(I->Path), FileFd::ReadOnly);
+ MD5Summation sum;
+ sum.AddFD(Fd.Fd(), Fd.Size());
+ Fd.Close();
+ if((string)sum.Result() == I->MD5Hash)
+ {
+ ioprintf(c1out,_("Skiping already downloaded file '%s'\n"),
+ flNotDir(I->Path).c_str());
+ continue;
+ }
+ }
+
new pkgAcqFile(&Fetcher,Last->Index().ArchiveURI(I->Path),
I->MD5Hash,I->Size,
Last->Index().SourceInfo(*Last,*I),Src);