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Accept empty directories

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This commit is contained in:
Eelco Dolstra 2019-05-01 20:38:41 +02:00
parent fa88f71520
commit a37436d792
2 changed files with 5 additions and 2 deletions
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2
src/libexpr/primops/flakeref.cc
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@ -107,7 +107,7 @@ FlakeRef::FlakeRef(const std::string & uri, bool allowRelative)
throw Error("invalid Git ref '%s'", value);
ref = value;
} else if (name == "dir") {
if (!std::regex_match(value, subDirRegex2))
if (value != "" && !std::regex_match(value, subDirRegex2))
throw Error("flake '%s' has invalid subdirectory '%s'", uri, value);
subdir = value;
} else