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* Store the size of a store path in the database (to be precise, the

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size of the NAR serialisation of the path, i.e., `nix-store --dump
  PATH').  This is useful for Hydra.
This commit is contained in:
Eelco Dolstra 2010-11-16 17:11:46 +00:00
parent fb9368b5a0
commit a3883cbd28
16 changed files with 144 additions and 91 deletions
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40
src/libstore/store-api.hh
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@ -90,6 +90,21 @@ struct SubstitutablePathInfo
};
struct ValidPathInfo
{
Path path;
Path deriver;
Hash hash;
PathSet references;
time_t registrationTime;
unsigned long long narSize; // 0 = unknown
unsigned long long id; // internal use only
ValidPathInfo() : registrationTime(0), narSize(0) { }
};
typedef list<ValidPathInfo> ValidPathInfos;
class StoreAPI
{
public:
@ -102,6 +117,9 @@ public:
/* Query the set of valid paths. */
virtual PathSet queryValidPaths() = 0;
/* Query information about a valid path. */
virtual ValidPathInfo queryPathInfo(const Path & path) = 0;
/* Queries the hash of a valid path. */
virtual Hash queryPathHash(const Path & path) = 0;
@ -214,6 +232,12 @@ public:
/* Clear the "failed" status of the given paths. The special
value `*' causes all failed paths to be cleared. */
virtual void clearFailedPaths(const PathSet & paths) = 0;
/* Return a string representing information about the path that
can be loaded into the database using `nix-store --load-db' or
`nix-store --register-validity'. */
string makeValidityRegistration(const PathSet & paths,
bool showDerivers, bool showHash);
};
@ -307,22 +331,6 @@ boost::shared_ptr<StoreAPI> openStore();
string showPaths(const PathSet & paths);
string makeValidityRegistration(const PathSet & paths,
bool showDerivers, bool showHash);
struct ValidPathInfo
{
Path path;
Path deriver;
Hash hash;
PathSet references;
time_t registrationTime;
unsigned long long id; // internal use only
ValidPathInfo() : registrationTime(0) { }
};
typedef list<ValidPathInfo> ValidPathInfos;
ValidPathInfo decodeValidPathInfo(std::istream & str,
bool hashGiven = false);