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Diffstat (limited to '')
| -rw-r--r-- | nix/sources.json | 38 | ||||
| -rw-r--r-- | nix/sources.nix | 148 |
2 files changed, 186 insertions, 0 deletions
diff --git a/nix/sources.json b/nix/sources.json new file mode 100644 index 0000000..9047de2 --- /dev/null +++ b/nix/sources.json @@ -0,0 +1,38 @@ +{ + "tcm": { + "branch": "develop", + "description": "A collaborative web application (virtual office) presented as a 16-bit RPG video game", + "homepage": "https://workadventu.re", + "owner": "thecodingmachine", + "repo": "workadventure", + "rev": "8aeaf292b37fdb7b8b900053ef4ca1f61dbd3d3a", + "sha256": "1j5ym84qgqnwmg40bflplddl9pn29jcnjplbnh83l72r7z045ii5", + "type": "tarball", + "url": "https://github.com/thecodingmachine/workadventure/archive/8aeaf292b37fdb7b8b900053ef4ca1f61dbd3d3a.tar.gz", + "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz" + }, + "xce": { + "branch": "xce", + "description": "Experimental community edition of Workadventure. We regularly rebase pull-requests onto TCM's develop branch until they are merged.", + "homepage": "", + "owner": "workadventure-xce", + "repo": "workadventure-xce", + "rev": "7bf9a644bd605c89eb81457c82614dcfc0413205", + "sha256": "0s4lnz4xc70hf12ggwaknz9qg7mgnmk42apyh4ms29k01j3a2ipc", + "type": "tarball", + "url": "https://github.com/workadventure-xce/workadventure/archive/7bf9a644bd605c89eb81457c82614dcfc0413205.tar.gz", + "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz" + }, + "xce-unfederated": { + "branch": "xce-unfederated", + "description": "Experimental community edition of Workadventure. We regularly rebase pull-requests onto TCM's develop branch until they are merged.", + "homepage": "", + "owner": "workadventure-xce", + "repo": "workadventure-xce", + "rev": "8460bbaff59c5148b41149ba49bd9a1214e0bfee", + "sha256": "0j6m8fl30d0bg5ki16cnwg97hkijs5042xb4jdp0lp7n8b10jmw4", + "type": "tarball", + "url": "https://github.com/workadventure-xce/workadventure-xce/archive/8460bbaff59c5148b41149ba49bd9a1214e0bfee.tar.gz", + "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz" + } +} diff --git a/nix/sources.nix b/nix/sources.nix new file mode 100644 index 0000000..b64b8f8 --- /dev/null +++ b/nix/sources.nix @@ -0,0 +1,148 @@ +# This file has been generated by Niv. + +let + + # + # The fetchers. fetch_<type> fetches specs of type <type>. + # + + fetch_file = pkgs: spec: + if spec.builtin or true then + builtins_fetchurl { inherit (spec) url sha256; } + else + pkgs.fetchurl { inherit (spec) url sha256; }; + + fetch_tarball = pkgs: name: spec: + let + ok = str: ! builtins.isNull (builtins.match "[a-zA-Z0-9+-._?=]" str); + # sanitize the name, though nix will still fail if name starts with period + name' = stringAsChars (x: if ! ok x then "-" else x) "${name}-src"; + in + if spec.builtin or true then + builtins_fetchTarball { name = name'; inherit (spec) url sha256; } + else + pkgs.fetchzip { name = name'; inherit (spec) url sha256; }; + + fetch_git = spec: + builtins.fetchGit { url = spec.repo; inherit (spec) rev ref; }; + + fetch_local = spec: spec.path; + + fetch_builtin-tarball = name: throw + ''[${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 + # + + # The set of packages used when specs are fetched using non-builtins. + mkPkgs = sources: + let + sourcesNixpkgs = + import (builtins_fetchTarball { inherit (sources.nixpkgs) url sha256; }) {}; + 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 spec + else if spec.type == "tarball" then fetch_tarball pkgs name spec + else if spec.type == "git" then fetch_git 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 isNull (builtins.match "[a-zA-Z0-9]" c) then "_" else c) name; + ersatz = builtins.getEnv "NIV_OVERRIDE_${saneName}"; + in + if ersatz == "" then drv else ersatz; + + # Ports of functions for older nix versions + + # a Nix version of mapAttrs if the built-in doesn't exist + mapAttrs = builtins.mapAttrs or ( + f: set: with builtins; + listToAttrs (map (attr: { name = attr; value = f attr set.${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)); + concatStrings = builtins.concatStringsSep ""; + + # fetchTarball version that is compatible between all the versions of Nix + builtins_fetchTarball = { url, name, sha256 }@attrs: + let + inherit (builtins) lessThan nixVersion fetchTarball; + in + if lessThan nixVersion "1.12" then + fetchTarball { inherit name url; } + else + fetchTarball attrs; + + # fetchurl version that is compatible between all the versions of Nix + builtins_fetchurl = { url, sha256 }@attrs: + let + inherit (builtins) lessThan nixVersion fetchurl; + in + if lessThan nixVersion "1.12" then + fetchurl { inherit url; } + 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 isNull sourcesFile then {} else builtins.fromJSON (builtins.readFile sourcesFile) + , pkgs ? mkPkgs sources + }: 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); } |