diff options
Diffstat (limited to 'src/libstore/derivations.hh')
-rw-r--r-- | src/libstore/derivations.hh | 36 |
1 files changed, 25 insertions, 11 deletions
diff --git a/src/libstore/derivations.hh b/src/libstore/derivations.hh index f0842045f86b..4dda10b45819 100644 --- a/src/libstore/derivations.hh +++ b/src/libstore/derivations.hh @@ -50,11 +50,33 @@ struct BasicDerivation StringPairs env; virtual ~BasicDerivation() { }; + + /* Return the path corresponding to the output identifier `id' in + the given derivation. */ + Path findOutput(const string & id) const; + + bool willBuildLocally() const; + + bool substitutesAllowed() const; + + bool isBuiltin() const; + + bool canBuildLocally() const; + + /* Return true iff this is a fixed-output derivation. */ + bool isFixedOutput() const; + + /* Return the output paths of a derivation. */ + PathSet outputPaths() const; + }; struct Derivation : BasicDerivation { DerivationInputs inputDrvs; /* inputs that are sub-derivations */ + + /* Print a derivation. */ + std::string unparse() const; }; @@ -62,28 +84,22 @@ class StoreAPI; /* Write a derivation to the Nix store, and return its path. */ -Path writeDerivation(StoreAPI & store, +Path writeDerivation(ref<StoreAPI> store, const Derivation & drv, const string & name, bool repair = false); /* Read a derivation from a file. */ Derivation readDerivation(const Path & drvPath); -/* Print a derivation. */ -string unparseDerivation(const Derivation & drv); - -/* Check whether a file name ends with the extensions for +/* Check whether a file name ends with the extension for derivations. */ bool isDerivation(const string & fileName); -/* Return true iff this is a fixed-output derivation. */ -bool isFixedOutputDrv(const Derivation & drv); - Hash hashDerivationModulo(StoreAPI & store, Derivation drv); /* Memoisation of hashDerivationModulo(). */ typedef std::map<Path, Hash> DrvHashes; -extern DrvHashes drvHashes; +extern DrvHashes drvHashes; // FIXME: global, not thread-safe /* Split a string specifying a derivation and a set of outputs (/nix/store/hash-foo!out1,out2,...) into the derivation path and @@ -95,8 +111,6 @@ Path makeDrvPathWithOutputs(const Path & drvPath, const std::set<string> & outpu bool wantOutput(const string & output, const std::set<string> & wanted); -PathSet outputPaths(const BasicDerivation & drv); - struct Source; struct Sink; |