Add APT::Acquire::$(host)::By-Hash=1 knob, add Acquire-By-Hash to Release file

The by-hash can be configured on a per-hostname basis and a Release
file can indicate that it has by-hash support via a new flag.

The location of the hash now matches the AptByHash spec

1 files changed, 11 insertions, 0 deletions

diff --git a/apt-pkg/tagfile.cc b/apt-pkg/tagfile.cc
index 52f4da2d5..7085e7d69 100644
--- a/apt-pkg/tagfile.cc
+++ b/apt-pkg/tagfile.cc
@@ -518,6 +518,17 @@ unsigned long long pkgTagSection::FindULL(const char *Tag, unsigned long long co
    return Result;
 }
 									/*}}}*/
+// TagSection::FindB - Find boolean value                		/*{{{*/
+// ---------------------------------------------------------------------
+/* */
+bool pkgTagSection::FindB(const char *Tag, bool const &Default) const
+{
+   const char *Start, *Stop;
+   if (Find(Tag, Start, Stop) == false)
+      return Default;
+   return StringToBool(string(Start, Stop));
+}
+									/*}}}*/
 // TagSection::FindFlag - Locate a yes/no type flag			/*{{{*/
 // ---------------------------------------------------------------------
 /* The bits marked in Flag are masked on/off in Flags */