support dpkg debug mode in APT::StateChanges

[apt.git] / apt-pkg / deb / deblistparser.cc

diff --git a/apt-pkg/deb/deblistparser.cc b/apt-pkg/deb/deblistparser.cc
index ed5484ad97a0a5720134dffcc137ee1763ff1ce4..f7f64debdda1de3b75dd1c68ede503e24765e720 100644 (file)
--- a/apt-pkg/deb/deblistparser.cc
+++ b/apt-pkg/deb/deblistparser.cc
@@ -357,8 +357,12 @@ unsigned short debListParser::VersionHash()
            continue;
         *J++ = tolower_ascii(*Start);
 
-        if ((*Start == '<' || *Start == '>') && Start[1] != *Start && Start[1] != '=')
-           *J++ = '=';
+        /* Normalize <= to < and >= to >. This is the wrong way around, but
+         * more efficient that the right way. And since we're only hashing
+         * it does not matter which way we normalize. */
+        if ((*Start == '<' || *Start == '>') && Start[1] == '=') {
+           Start++;
+        }
       }
 
       Result = AddCRC16(Result,S,J - S);
@@ -995,7 +999,7 @@ bool debListParser::SameVersion(unsigned short const Hash,          /*{{{*/
    // status file is parsed last, so the first version we encounter is
    // probably also the version we have downloaded
    unsigned long long const Size = Section.FindULL("Size");
-   if (Size != 0 && Size != Ver->Size)
+   if (Size != 0 && Ver->Size != 0 && Size != Ver->Size)
       return false;
    // available everywhere, but easier to check here than to include in VersionHash
    unsigned char MultiArch = ParseMultiArch(false);