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Allow URLs in the Nix search path

Browse source 
E.g. to install "hello" from the latest Nixpkgs:

  $ nix-build '<nixpkgs>' -A hello -I nixpkgs=https://nixos.org/channels/nixpkgs-unstable/nixexprs.tar.xz

Or to install a specific version of NixOS:

  $ nixos-rebuild switch -I nixpkgs=https://github.com/NixOS/nixpkgs/archive/63def04891a0abc328b1b0b3a78ec02c58f48583.tar.gz
This commit is contained in:
Eelco Dolstra 2015-05-05 17:09:42 +02:00
parent 35d30d67eb
commit 9451ef3731
6 changed files with 123 additions and 99 deletions
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4
src/nix-env/nix-env.cc
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@ -1423,6 +1423,8 @@ int main(int argc, char * * argv)
if (!op) throw UsageError("no operation specified");
store = openStore();
globals.state = std::shared_ptr<EvalState>(new EvalState(searchPath));
globals.state->repair = repair;
@ -1441,8 +1443,6 @@ int main(int argc, char * * argv)
: canonPath(settings.nixStateDir + "/profiles/default");
}
store = openStore();
op(globals, opFlags, opArgs);
globals.state->printStats();