From 9ccbd55c5b55b5530e61fd20476d9f20fd45e074 Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <eelco.dolstra@logicblox.com>
Date: Wed, 24 Feb 2016 16:52:28 +0100
Subject: BinaryCacheStore: Implement addToStore()

So now you can do

  $ NIX_REMOTE=file:///tmp/binary-cache nix-instantiate '<nixpkgs>' -A hello

and lots of other operations.
---
 src/libutil/archive.cc | 15 +++++++++++----
 src/libutil/archive.hh |  5 +++++
 2 files changed, 16 insertions(+), 4 deletions(-)

(limited to 'src/libutil')

diff --git a/src/libutil/archive.cc b/src/libutil/archive.cc
index 6ee7981432b6..5363496c272e 100644
--- a/src/libutil/archive.cc
+++ b/src/libutil/archive.cc
@@ -29,7 +29,7 @@ bool useCaseHack =
     false;
 #endif
 
-static string archiveVersion1 = "nix-archive-1";
+const std::string narVersionMagic1 = "nix-archive-1";
 
 static string caseHackSuffix = "~nix~case~hack~";
 
@@ -113,11 +113,17 @@ static void dump(const Path & path, Sink & sink, PathFilter & filter)
 
 void dumpPath(const Path & path, Sink & sink, PathFilter & filter)
 {
-    sink << archiveVersion1;
+    sink << narVersionMagic1;
     dump(path, sink, filter);
 }
 
 
+void dumpString(const std::string & s, Sink & sink)
+{
+    sink << narVersionMagic1 << "(" << "type" << "regular" << "contents" << s << ")";
+}
+
+
 static SerialisationError badArchive(string s)
 {
     return SerialisationError("bad archive: " + s);
@@ -214,7 +220,8 @@ static void parse(ParseSink & sink, Source & source, const Path & path)
         }
 
         else if (s == "executable" && type == tpRegular) {
-            readString(source);
+            auto s = readString(source);
+            if (s != "") throw badArchive("executable marker has non-empty value");
             sink.isExecutable();
         }
 
@@ -275,7 +282,7 @@ void parseDump(ParseSink & sink, Source & source)
         /* This generally means the integer at the start couldn't be
            decoded.  Ignore and throw the exception below. */
     }
-    if (version != archiveVersion1)
+    if (version != narVersionMagic1)
         throw badArchive("input doesn't look like a Nix archive");
     parse(sink, source, "");
 }
diff --git a/src/libutil/archive.hh b/src/libutil/archive.hh
index c216e9768fd1..90117f5ff168 100644
--- a/src/libutil/archive.hh
+++ b/src/libutil/archive.hh
@@ -55,6 +55,8 @@ extern PathFilter defaultPathFilter;
 void dumpPath(const Path & path, Sink & sink,
     PathFilter & filter = defaultPathFilter);
 
+void dumpString(const std::string & s, Sink & sink);
+
 struct ParseSink
 {
     virtual void createDirectory(const Path & path) { };
@@ -76,4 +78,7 @@ void restorePath(const Path & path, Source & source);
 extern bool useCaseHack;
 
 
+extern const std::string narVersionMagic1;
+
+
 }
-- 
cgit 1.4.1