From 3de9ff77a811d67632c9948a953e628ed6a2b78a Mon Sep 17 00:00:00 2001
From: Michael Vogt <michael.vogt@ubuntu.com>
Date: Mon, 22 Aug 2005 10:19:43 +0000
Subject: [PATCH] * bugfix/updates in the rred.cc code (big thanks for helping
 Robert!)

---
 apt-pkg/acquire-item.cc |  4 ++++
 debian/changelog        |  2 +-
 methods/rred.cc         | 44 ++++++++++++++++++++++++++++++++---------
 3 files changed, 40 insertions(+), 10 deletions(-)

diff --git a/apt-pkg/acquire-item.cc b/apt-pkg/acquire-item.cc
index 43d29c737..b8886a750 100644
--- a/apt-pkg/acquire-item.cc
+++ b/apt-pkg/acquire-item.cc
@@ -255,6 +255,7 @@ void pkgAcqIndexDiffs::Finish(bool allDone)
 
 bool pkgAcqIndexDiffs::QueueNextDiff()
 {
+
    // calc sha1 of the just patched file
    string FinalFile = _config->FindDir("Dir::State::lists");
    FinalFile += URItoFileName(RealURI);
@@ -263,6 +264,9 @@ bool pkgAcqIndexDiffs::QueueNextDiff()
    SHA1Summation SHA1;
    SHA1.AddFD(fd.Fd(), fd.Size());
    string local_sha1 = string(SHA1.Result());
+   if(Debug)
+      std::clog << "QueueNextDiff: " 
+		<< FinalFile << " (" << local_sha1 << ")"<<std::endl;
 
    // remove all patches until the next matching patch is found
    // this requires the Index file to be ordered
diff --git a/debian/changelog b/debian/changelog
index 614041acf..fa1e88244 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -4,7 +4,7 @@ apt (0.6.40.2) unstable; urgency=low
     dpkg, added the format to README.progress-reporting
   * added README.progress-reporting to the apt-doc package
 
- --
+ -- 
 
 apt (0.6.40.1) unstable; urgency=low
 
diff --git a/methods/rred.cc b/methods/rred.cc
index 3097fca02..ab73398f5 100644
--- a/methods/rred.cc
+++ b/methods/rred.cc
@@ -25,15 +25,17 @@ class RredMethod : public pkgAcqMethod
 
 #define BUF_SIZE	(1024)
 
-// XX use enums
+// XXX use enums
 #define MODE_CHANGED	0
 #define MODE_DELETED	1
 #define MODE_ADDED		2
 
+#define ED_OK                   0
 #define ED_ORDERING		1
 #define ED_PARSER		2
 #define ED_FAILURE		3
 
+// XXX someone better go out and understand the error reporting/handling here...
 int ed_rec(FILE *ed_cmds, FILE *in_file, FILE *out_file, int line, 
 		char *buffer, unsigned int bufsize, Hashes *hash) {
 	int pos;
@@ -154,8 +156,7 @@ int ed_file(FILE *ed_cmds, FILE *in_file, FILE *out_file, Hashes *hash) {
 	if (result > 0) {
 		while (fgets(buffer, BUF_SIZE, in_file) != NULL) {
 			written = fwrite(buffer, 1, strlen(buffer), out_file);
-			// XXX add to hash
-			// sha_process_bytes(buffer, written, &sha);
+			hash->Add((unsigned char*)buffer, written);
 		}
 	}
 	else {
@@ -163,7 +164,7 @@ int ed_file(FILE *ed_cmds, FILE *in_file, FILE *out_file, Hashes *hash) {
 		fprintf(stderr, "Error: %i\n", result);
 		return ED_FAILURE;
 	}
-	return 0;
+	return ED_OK;
 }
 
 
@@ -192,13 +193,38 @@ bool RredMethod::Fetch(FetchItem *Itm)
    FILE* fPatch = fdopen(Patch.Fd(), "r");
    FILE* fTo = fdopen(To.Fd(), "w");
    // now do the actual patching
-   ed_file(fPatch, fFrom, fTo, &Hash);
-
-   // XXX need to get the size 
-   // Res.Size = Buf.st_size;
+   if (ed_file(fPatch, fFrom, fTo, &Hash) != ED_OK) {
+      return false;
+   }
+
+   // write out the result
+   fflush(fFrom);
+   fflush(fPatch);
+   fflush(fTo);
+   From.Close();
+   Patch.Close();
+   To.Close();
+
+   // Transfer the modification times
+   struct stat Buf;
+   if (stat(Path.c_str(),&Buf) != 0)
+      return _error->Errno("stat",_("Failed to stat"));
+
+   struct utimbuf TimeBuf;
+   TimeBuf.actime = Buf.st_atime;
+   TimeBuf.modtime = Buf.st_mtime;
+   if (utime(Itm->DestFile.c_str(),&TimeBuf) != 0)
+      return _error->Errno("utime",_("Failed to set modification time"));
+
+   if (stat(Itm->DestFile.c_str(),&Buf) != 0)
+      return _error->Errno("stat",_("Failed to stat"));
+
+   // return done
+   Res.LastModified = Buf.st_mtime;
+   Res.Size = Buf.st_size;
    Res.TakeHashes(Hash);
    URIDone(Res);
-   
+
    return true;
 }
 									/*}}}*/
-- 
2.45.2