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Add detailed error mesage for coerceTo{String,Path}

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This commit is contained in:
Guillaume Maudoux 2022-03-04 21:47:58 +01:00
parent be1f069746
commit 3a5855353e
14 changed files with 79 additions and 66 deletions
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7
src/libexpr/eval.hh
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@ -262,17 +262,18 @@ public:
referenced paths are copied to the Nix store as a side effect. */
BackedStringView coerceToString(const Pos & pos, Value & v, PathSet & context,
bool coerceMore = false, bool copyToStore = true,
bool canonicalizePath = true);
bool canonicalizePath = true,
const std::string & errorCtx = "");
std::string copyPathToStore(PathSet & context, const Path & path);
/* Path coercion. Converts strings, paths and derivations to a
path. The result is guaranteed to be a canonicalised, absolute
path. Nothing is copied to the store. */
Path coerceToPath(const Pos & pos, Value & v, PathSet & context);
Path coerceToPath(const Pos & pos, Value & v, PathSet & context, const std::string & errorCtx);
/* Like coerceToPath, but the result must be a store path. */
StorePath coerceToStorePath(const Pos & pos, Value & v, PathSet & context);
StorePath coerceToStorePath(const Pos & pos, Value & v, PathSet & context, const std::string & errorCtx);
public: