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Give a better error message when a flake path is not a directory

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This commit is contained in:
Eelco Dolstra 2020-01-24 13:01:07 +01:00
parent b430a81a1f
commit cd973fa07f
1 changed files with 3 additions and 0 deletions
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3
src/libexpr/flake/flakeref.cc
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@ -111,6 +111,9 @@ std::pair<FlakeRef, std::string> parseFlakeRefWithFragment(
throw BadURL("flake reference '%s' is not an absolute path", url); throw BadURL("flake reference '%s' is not an absolute path", url);
path = absPath(path, baseDir, true); path = absPath(path, baseDir, true);
if (!S_ISDIR(lstat(path).st_mode))
throw BadURL("path '%s' is not a flake (because it's not a directory)", path);
auto flakeRoot = path; auto flakeRoot = path;
std::string subdir; std::string subdir;