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BinaryCacheStore: Implement addToStore()

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So now you can do

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

and lots of other operations.
This commit is contained in:
Eelco Dolstra 2016-02-24 16:52:28 +01:00
parent 30e9d01516
commit 9ccbd55c5b
4 changed files with 74 additions and 12 deletions
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15
src/libutil/archive.cc
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@ -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, "");
}