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nix-env/nix-instantiate/nix-build: Support URIs

Browse source 
For instance, you can install Firefox from a specific Nixpkgs revision
like this:

  $ nix-env -f 63def04891.tar.gz -iA firefox

Or build a package from the latest nixpkgs-unstable channel:

  $ nix-build https://nixos.org/channels/nixpkgs-unstable/nixexprs.tar.xz -A hello
This commit is contained in:
Eelco Dolstra 2015-05-06 14:54:31 +02:00
parent 0705d04dfa
commit 6519f06f39
5 changed files with 19 additions and 14 deletions
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6
src/nix-instantiate/nix-instantiate.cc
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@ -183,10 +183,10 @@ int main(int argc, char * * argv)
} else if (files.empty() && !fromArgs)
files.push_back("./default.nix");
foreach (Strings::iterator, i, files) {
for (auto & i : files) {
Expr * e = fromArgs
? state.parseExprFromString(*i, absPath("."))
: state.parseExprFromFile(resolveExprPath(lookupFileArg(state, *i)));
? state.parseExprFromString(i, absPath("."))
: state.parseExprFromFile(resolveExprPath(lookupFileArg(state, i)));
processExpr(state, attrPaths, parseOnly, strict, autoArgs,
evalOnly, outputKind, xmlOutputSourceLocation, e);
}