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Add path flakeref variant

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Unlike file://<path>, this allows the path to be a dirty Git tree, so

  nix build /path/to/flake:attr

is a convenient way to test building a local flake.
This commit is contained in:
Eelco Dolstra 2019-04-08 22:46:25 +02:00
parent a9ceeeb4b0
commit 6a4c7fb975
6 changed files with 49 additions and 5 deletions
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13
src/libexpr/primops/flakeref.cc
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@ -106,6 +106,12 @@ FlakeRef::FlakeRef(const std::string & uri)
data = d;
}
else if (hasPrefix(uri, "/")) {
IsPath d;
d.path = canonPath(uri);
data = d;
}
else
throw Error("'%s' is not a valid flake reference", uri);
}
@ -135,6 +141,10 @@ std::string FlakeRef::to_string() const
(refData->rev ? "&rev=" + refData->rev->to_string(Base16, false) : "");
}
else if (auto refData = std::get_if<FlakeRef::IsPath>(&data)) {
return refData->path;
}
else abort();
}
@ -149,6 +159,9 @@ bool FlakeRef::isImmutable() const
else if (auto refData = std::get_if<FlakeRef::IsGit>(&data))
return (bool) refData->rev;
else if (std::get_if<FlakeRef::IsPath>(&data))
return false;
else abort();
}