diff options
Diffstat (limited to 'src/libstore/derivations.hh')
| -rw-r--r-- | src/libstore/derivations.hh | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/libstore/derivations.hh b/src/libstore/derivations.hh index 2ea4178c0..0bb565e8a 100644 --- a/src/libstore/derivations.hh +++ b/src/libstore/derivations.hh @@ -4,6 +4,7 @@ #include "types.hh" #include "hash.hh" #include "content-address.hh" +#include "sync.hh" #include <map> #include <variant> @@ -127,6 +128,13 @@ struct Derivation : BasicDerivation std::string unparse(const Store & store, bool maskOutputs, std::map<std::string, StringSet> * actualInputs = nullptr) const; + /* Return the underlying basic derivation but with + + 1. input drv outputs moved to input sources. + + 2. placeholders replaced with realized input store paths. */ + BasicDerivation resolve(Store & store); + Derivation() = default; Derivation(BasicDerivation && bd) : BasicDerivation(std::move(bd)) { } }; @@ -187,6 +195,16 @@ typedef std::map<StorePath, DrvHashModulo> DrvHashes; extern DrvHashes drvHashes; // FIXME: global, not thread-safe +/* Memoisation of `readDerivation(..).resove()`. */ +typedef std::map< + StorePath, + std::optional<StorePath> +> DrvPathResolutions; + +// FIXME: global, though at least thread-safe. +// FIXME: arguably overlaps with hashDerivationModulo memo table. +extern Sync<DrvPathResolutions> drvPathResolutions; + bool wantOutput(const string & output, const std::set<string> & wanted); struct Source; |