Strip 0: epochs from the version hash

This should fix some issues with dpkg normalizing such
values. Suprisingly enough apt treats the Version: field
the same, even with epoch vs without, but not when searching,
and does not strip the 0: from the output.

1 files changed, 5 insertions, 0 deletions

diff --git a/apt-pkg/deb/deblistparser.cc b/apt-pkg/deb/deblistparser.cc
index 4e61f0fc2..3a26b40c4 100644
--- a/apt-pkg/deb/deblistparser.cc
+++ b/apt-pkg/deb/deblistparser.cc
@@ -372,6 +372,11 @@ unsigned short debListParser::VersionHash()
 	 string to make that not matter. */
       for (; Start != End; ++Start)
       {
+	 // Strip away 0: epochs from input
+	 if (*Start == '0' && Start[1] == ':') {
+	    Start++;	// Skip the :
+	    continue;	// Skip the 0
+	 }
 	 if (isspace_ascii(*Start) != 0 || *Start == '=')
 	    continue;
 	 Result = AddCRC16Byte(Result, tolower_ascii_unsafe(*Start));