nixpkgs/pkgs/build-support/fetchhg/default.nix
Profpatsch 61462c94e6 lib/fetchers.nix: factor out impure proxy vars (#18702)
Apparently everyone just copied those variables, instead of creating a
library constant for them. Some even removed the comment. -.-
2016-09-17 21:50:01 +02:00

23 lines
692 B
Nix

{stdenv, mercurial, nix}: {name ? null, url, rev ? null, md5 ? null, sha256 ? null, fetchSubrepos ? false}:
# TODO: statically check if mercurial as the https support if the url starts woth https.
stdenv.mkDerivation {
name = "hg-archive" + (if name != null then "-${name}" else "");
builder = ./builder.sh;
buildInputs = [mercurial];
impureEnvVars = stdenv.lib.fetchers.proxyImpureEnvVars;
# Nix <= 0.7 compatibility.
id = md5;
subrepoClause = if fetchSubrepos then "S" else "";
outputHashAlgo = if md5 != null then "md5" else "sha256";
outputHashMode = "recursive";
outputHash = if md5 != null then md5 else sha256;
inherit url rev;
preferLocalBuild = true;
}