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Expose the export magic value and move LocalStore::queryReferences to Store

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This commit is contained in:
Eelco Dolstra 2016-02-15 14:48:38 +01:00
parent e03d6e0998
commit c8f4d89a34
4 changed files with 19 additions and 22 deletions
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17
src/libstore/local-store.cc
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@ -953,14 +953,6 @@ PathSet LocalStore::queryAllValidPaths()
}
void LocalStore::queryReferences(const Path & path,
PathSet & references)
{
ValidPathInfo info = queryPathInfo(path);
references.insert(info.references.begin(), info.references.end());
}
void LocalStore::queryReferrers_(const Path & path, PathSet & referrers)
{
SQLiteStmtUse use(stmtQueryReferrers);
@ -1493,9 +1485,6 @@ struct HashAndWriteSink : Sink
};
#define EXPORT_MAGIC 0x4558494e
static void checkSecrecy(const Path & path)
{
struct stat st;
@ -1532,7 +1521,7 @@ void LocalStore::exportPath(const Path & path, bool sign,
PathSet references;
queryReferences(path, references);
hashAndWriteSink << EXPORT_MAGIC << path << references << queryDeriver(path);
hashAndWriteSink << exportMagic << path << references << queryDeriver(path);
if (sign) {
Hash hash = hashAndWriteSink.currentHash();
@ -1608,8 +1597,8 @@ Path LocalStore::importPath(bool requireSignature, Source & source)
restorePath(unpacked, hashAndReadSource);
unsigned int magic = readInt(hashAndReadSource);
if (magic != EXPORT_MAGIC)
uint32_t magic = readInt(hashAndReadSource);
if (magic != exportMagic)
throw Error("Nix archive cannot be imported; wrong format");
Path dstPath = readStorePath(hashAndReadSource);