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feat: add nix shell and fix nix env with new toolchain
Change-Id: I2032c4b55a9b78fa95249abbc896da3be9036b9e
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1 +1 @@ | ||
| 6.0.0 | ||
| 6.2.0 |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,33 @@ | ||
| # If you're on NixOS, use me! `nix-shell --pure`. | ||
| { sources ? import third_party/nix/sources.nix }: | ||
| let | ||
| pkgs = import sources.nixpkgs { }; | ||
| wrapper = with pkgs; writeScript "wrapper.sh" | ||
| '' | ||
| # Fancy colorful PS1 to make people notice easily they're in the Monogon Nix shell. | ||
| PS1='\[\033]0;\u/monogon:\w\007\]' | ||
| if type -P dircolors >/dev/null ; then | ||
| PS1+='\[\033[01;35m\]\u/monogon\[\033[01;36m\] \w \$\[\033[00m\] ' | ||
| fi | ||
| export PS1 | ||
| # Use Nix-provided cert store. | ||
| export NIX_SSL_CERT_FILE="${cacert}/etc/ssl/certs/ca-bundle.crt" | ||
| export SSL_CERT_FILE="${cacert}/etc/ssl/certs/ca-bundle.crt" | ||
| # Convince rules_go to use /bin/bash and not a NixOS store bash which has | ||
| # no idea how to resolve other things in the nix store once PATH is | ||
| # stripped by (host_)action_env. | ||
| export BAZEL_SH=/bin/bash | ||
| exec bash --noprofile --norc | ||
| ''; | ||
| in | ||
| (pkgs.buildFHSUserEnv { | ||
| name = "monogon-nix"; | ||
| targetPkgs = pkgs: with pkgs; [ | ||
| git | ||
| bazel_6 | ||
| ]; | ||
| runScript = wrapper; | ||
| }).env |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,14 @@ | ||
| { | ||
| "nixpkgs": { | ||
| "branch": "release-23.05", | ||
| "description": "Nix Packages collection", | ||
| "homepage": null, | ||
| "owner": "NixOS", | ||
| "repo": "nixpkgs", | ||
| "rev": "b9fc1843e64c11665ef440d02ecb6b3980a62756", | ||
| "sha256": "0krzc81cn1vfblhljw9wgx1wkfwlifh9dy3z3c64yhkh3xy6pfji", | ||
| "type": "tarball", | ||
| "url": "https://github.com/NixOS/nixpkgs/archive/b9fc1843e64c11665ef440d02ecb6b3980a62756.tar.gz", | ||
| "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz" | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,198 @@ | ||
| # This file has been generated by Niv. | ||
|
|
||
| let | ||
|
|
||
| # | ||
| # The fetchers. fetch_<type> fetches specs of type <type>. | ||
| # | ||
|
|
||
| fetch_file = pkgs: name: spec: | ||
| let | ||
| name' = sanitizeName name + "-src"; | ||
| in | ||
| if spec.builtin or true then | ||
| builtins_fetchurl { inherit (spec) url sha256; name = name'; } | ||
| else | ||
| pkgs.fetchurl { inherit (spec) url sha256; name = name'; }; | ||
|
|
||
| fetch_tarball = pkgs: name: spec: | ||
| let | ||
| name' = sanitizeName name + "-src"; | ||
| in | ||
| if spec.builtin or true then | ||
| builtins_fetchTarball { name = name'; inherit (spec) url sha256; } | ||
| else | ||
| pkgs.fetchzip { name = name'; inherit (spec) url sha256; }; | ||
|
|
||
| fetch_git = name: spec: | ||
| let | ||
| ref = | ||
| spec.ref or ( | ||
| if spec ? branch then "refs/heads/${spec.branch}" else | ||
| if spec ? tag then "refs/tags/${spec.tag}" else | ||
| abort "In git source '${name}': Please specify `ref`, `tag` or `branch`!" | ||
| ); | ||
| submodules = spec.submodules or false; | ||
| submoduleArg = | ||
| let | ||
| nixSupportsSubmodules = builtins.compareVersions builtins.nixVersion "2.4" >= 0; | ||
| emptyArgWithWarning = | ||
| if submodules | ||
| then | ||
| builtins.trace | ||
| ( | ||
| "The niv input \"${name}\" uses submodules " | ||
| + "but your nix's (${builtins.nixVersion}) builtins.fetchGit " | ||
| + "does not support them" | ||
| ) | ||
| { } | ||
| else { }; | ||
| in | ||
| if nixSupportsSubmodules | ||
| then { inherit submodules; } | ||
| else emptyArgWithWarning; | ||
| in | ||
| builtins.fetchGit | ||
| ({ url = spec.repo; inherit (spec) rev; inherit ref; } // submoduleArg); | ||
|
|
||
| fetch_local = spec: spec.path; | ||
|
|
||
| fetch_builtin-tarball = name: throw | ||
| ''[${name}] The niv type "builtin-tarball" is deprecated. You should instead use `builtin = true`. | ||
| $ niv modify ${name} -a type=tarball -a builtin=true''; | ||
|
|
||
| fetch_builtin-url = name: throw | ||
| ''[${name}] The niv type "builtin-url" will soon be deprecated. You should instead use `builtin = true`. | ||
| $ niv modify ${name} -a type=file -a builtin=true''; | ||
|
|
||
| # | ||
| # Various helpers | ||
| # | ||
|
|
||
| # https://github.com/NixOS/nixpkgs/pull/83241/files#diff-c6f540a4f3bfa4b0e8b6bafd4cd54e8bR695 | ||
| sanitizeName = name: | ||
| ( | ||
| concatMapStrings (s: if builtins.isList s then "-" else s) | ||
| ( | ||
| builtins.split "[^[:alnum:]+._?=-]+" | ||
| ((x: builtins.elemAt (builtins.match "\\.*(.*)" x) 0) name) | ||
| ) | ||
| ); | ||
|
|
||
| # The set of packages used when specs are fetched using non-builtins. | ||
| mkPkgs = sources: system: | ||
| let | ||
| sourcesNixpkgs = | ||
| import (builtins_fetchTarball { inherit (sources.nixpkgs) url sha256; }) { inherit system; }; | ||
| hasNixpkgsPath = builtins.any (x: x.prefix == "nixpkgs") builtins.nixPath; | ||
| hasThisAsNixpkgsPath = <nixpkgs> == ./.; | ||
| in | ||
| if builtins.hasAttr "nixpkgs" sources | ||
| then sourcesNixpkgs | ||
| else if hasNixpkgsPath && ! hasThisAsNixpkgsPath then | ||
| import <nixpkgs> { } | ||
| else | ||
| abort | ||
| '' | ||
| Please specify either <nixpkgs> (through -I or NIX_PATH=nixpkgs=...) or | ||
| add a package called "nixpkgs" to your sources.json. | ||
| ''; | ||
|
|
||
| # The actual fetching function. | ||
| fetch = pkgs: name: spec: | ||
|
|
||
| if ! builtins.hasAttr "type" spec then | ||
| abort "ERROR: niv spec ${name} does not have a 'type' attribute" | ||
| else if spec.type == "file" then fetch_file pkgs name spec | ||
| else if spec.type == "tarball" then fetch_tarball pkgs name spec | ||
| else if spec.type == "git" then fetch_git name spec | ||
| else if spec.type == "local" then fetch_local spec | ||
| else if spec.type == "builtin-tarball" then fetch_builtin-tarball name | ||
| else if spec.type == "builtin-url" then fetch_builtin-url name | ||
| else | ||
| abort "ERROR: niv spec ${name} has unknown type ${builtins.toJSON spec.type}"; | ||
|
|
||
| # If the environment variable NIV_OVERRIDE_${name} is set, then use | ||
| # the path directly as opposed to the fetched source. | ||
| replace = name: drv: | ||
| let | ||
| saneName = stringAsChars (c: if (builtins.match "[a-zA-Z0-9]" c) == null then "_" else c) name; | ||
| ersatz = builtins.getEnv "NIV_OVERRIDE_${saneName}"; | ||
| in | ||
| if ersatz == "" then drv else | ||
| # this turns the string into an actual Nix path (for both absolute and | ||
| # relative paths) | ||
| if builtins.substring 0 1 ersatz == "/" then /. + ersatz else /. + builtins.getEnv "PWD" + "/${ersatz}"; | ||
|
|
||
| # Ports of functions for older nix versions | ||
|
|
||
| # a Nix version of mapAttrs if the built-in doesn't exist | ||
| mapAttrs = builtins.mapAttrs or ( | ||
| f: set: with builtins; | ||
| listToAttrs (map (attr: { name = attr; value = f attr set.${attr}; }) (attrNames set)) | ||
| ); | ||
|
|
||
| # https://github.com/NixOS/nixpkgs/blob/0258808f5744ca980b9a1f24fe0b1e6f0fecee9c/lib/lists.nix#L295 | ||
| range = first: last: if first > last then [ ] else builtins.genList (n: first + n) (last - first + 1); | ||
|
|
||
| # https://github.com/NixOS/nixpkgs/blob/0258808f5744ca980b9a1f24fe0b1e6f0fecee9c/lib/strings.nix#L257 | ||
| stringToCharacters = s: map (p: builtins.substring p 1 s) (range 0 (builtins.stringLength s - 1)); | ||
|
|
||
| # https://github.com/NixOS/nixpkgs/blob/0258808f5744ca980b9a1f24fe0b1e6f0fecee9c/lib/strings.nix#L269 | ||
| stringAsChars = f: s: concatStrings (map f (stringToCharacters s)); | ||
| concatMapStrings = f: list: concatStrings (map f list); | ||
| concatStrings = builtins.concatStringsSep ""; | ||
|
|
||
| # https://github.com/NixOS/nixpkgs/blob/8a9f58a375c401b96da862d969f66429def1d118/lib/attrsets.nix#L331 | ||
| optionalAttrs = cond: as: if cond then as else { }; | ||
|
|
||
| # fetchTarball version that is compatible between all the versions of Nix | ||
| builtins_fetchTarball = { url, name ? null, sha256 }@attrs: | ||
| let | ||
| inherit (builtins) lessThan nixVersion fetchTarball; | ||
| in | ||
| if lessThan nixVersion "1.12" then | ||
| fetchTarball ({ inherit url; } // (optionalAttrs (name != null) { inherit name; })) | ||
| else | ||
| fetchTarball attrs; | ||
|
|
||
| # fetchurl version that is compatible between all the versions of Nix | ||
| builtins_fetchurl = { url, name ? null, sha256 }@attrs: | ||
| let | ||
| inherit (builtins) lessThan nixVersion fetchurl; | ||
| in | ||
| if lessThan nixVersion "1.12" then | ||
| fetchurl ({ inherit url; } // (optionalAttrs (name != null) { inherit name; })) | ||
| else | ||
| fetchurl attrs; | ||
|
|
||
| # Create the final "sources" from the config | ||
| mkSources = config: | ||
| mapAttrs | ||
| ( | ||
| name: spec: | ||
| if builtins.hasAttr "outPath" spec | ||
| then | ||
| abort | ||
| "The values in sources.json should not have an 'outPath' attribute" | ||
| else | ||
| spec // { outPath = replace name (fetch config.pkgs name spec); } | ||
| ) | ||
| config.sources; | ||
|
|
||
| # The "config" used by the fetchers | ||
| mkConfig = | ||
| { sourcesFile ? if builtins.pathExists ./sources.json then ./sources.json else null | ||
| , sources ? if sourcesFile == null then { } else builtins.fromJSON (builtins.readFile sourcesFile) | ||
| , system ? builtins.currentSystem | ||
| , pkgs ? mkPkgs sources system | ||
| }: rec { | ||
| # The sources, i.e. the attribute set of spec name to spec | ||
| inherit sources; | ||
|
|
||
| # The "pkgs" (evaluated nixpkgs) to use for e.g. non-builtin fetchers | ||
| inherit pkgs; | ||
| }; | ||
|
|
||
| in | ||
| mkSources (mkConfig { }) // { __functor = _: settings: mkSources (mkConfig settings); } |