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Fix error message

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This fixes the error message

  error: file `' was not found in the Nix search path (add it using $NIX_PATH or -I)
This commit is contained in:
Eelco Dolstra 2012-02-09 18:56:48 +01:00
parent d5a5a83ad4
commit e9fc91df45
1 changed files with 4 additions and 3 deletions
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7
src/libexpr/common-opts.cc
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@ -47,9 +47,10 @@ bool parseSearchPathArg(const string & arg, Strings::iterator & i,
Path lookupFileArg(EvalState & state, string s) Path lookupFileArg(EvalState & state, string s)
{ {
if (s.size() > 2 && s.at(0) == '<' && s.at(s.size() - 1) == '>') { if (s.size() > 2 && s.at(0) == '<' && s.at(s.size() - 1) == '>') {
Path p = state.findFile(s.substr(1, s.size() - 2)); Path p = s.substr(1, s.size() - 2);
if (p == "") throw Error(format("file `%1%' was not found in the Nix search path (add it using $NIX_PATH or -I)") % p); Path p2 = state.findFile(p);
return p; if (p2 == "") throw Error(format("file `%1%' was not found in the Nix search path (add it using $NIX_PATH or -I)") % p);
return p2;
} else } else
return absPath(s); return absPath(s);
} }