diff options
author | tv <tv@krebsco.de> | 2018-06-19 21:23:35 +0200 |
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committer | tv <tv@krebsco.de> | 2018-06-19 23:56:22 +0200 |
commit | 1665703c4562ca454e5aafd62105715fb8561238 (patch) | |
tree | 43b55a7aa94536f7aa53c1da6404fe6dae853eca /krebs/5pkgs/writers.nix | |
parent | c19baeee138f9455ef570e609c045d312d6cc0f4 (diff) |
nix-writers: init submodule
Diffstat (limited to 'krebs/5pkgs/writers.nix')
-rw-r--r-- | krebs/5pkgs/writers.nix | 318 |
1 files changed, 0 insertions, 318 deletions
diff --git a/krebs/5pkgs/writers.nix b/krebs/5pkgs/writers.nix deleted file mode 100644 index 1939bf854..000000000 --- a/krebs/5pkgs/writers.nix +++ /dev/null @@ -1,318 +0,0 @@ -pkgs: oldpkgs: -with import <stockholm/lib>; - { - execve = name: { filename, argv ? null, envp ? {}, destination ? "" }: let - in pkgs.writeC name { inherit destination; } /* c */ '' - #include <unistd.h> - - static char *const filename = ${toC filename}; - - ${if argv == null - then /* Propagate arguments */ /* c */ '' - #define MAIN_ARGS int argc, char **argv - '' - else /* Provide fixed arguments */ /* c */ '' - #define MAIN_ARGS void - static char *const argv[] = ${toC (argv ++ [null])}; - ''} - - static char *const envp[] = ${toC ( - mapAttrsToList (k: v: "${k}=${v}") envp ++ [null] - )}; - - int main (MAIN_ARGS) { - execve(filename, argv, envp); - return -1; - } - ''; - - execveBin = name: cfg: - pkgs.execve name (cfg // { destination = "/bin/${name}"; }); - - makeScriptWriter = { interpreter, check ? null }: name: text: - assert (with types; either absolute-pathname filename).check name; - pkgs.writeOut (baseNameOf name) { - ${optionalString (types.absolute-pathname.check name) name} = { - inherit check; - executable = true; - text = "#! ${interpreter}\n${text}"; - }; - }; - - writeBash = name: text: - assert (with types; either absolute-pathname filename).check name; - pkgs.writeOut (baseNameOf name) { - ${optionalString (types.absolute-pathname.check name) name} = { - executable = true; - text = "#! ${pkgs.bash}/bin/bash\n${text}"; - }; - }; - - writeBashBin = name: - assert types.filename.check name; - pkgs.writeBash "/bin/${name}"; - - writeC = name: { destination ? "" }: text: pkgs.runCommand name { - inherit text; - passAsFile = [ "text" ]; - } /* sh */ '' - PATH=${makeBinPath (with pkgs; [ - # TODO remove if everyone migrated to 18.03 - (if hasAttr "binutils-unwrapped" pkgs then binutils-unwrapped else binutils) - coreutils - gcc - ])} - exe=$out${destination} - mkdir -p "$(dirname "$exe")" - gcc -O -Wall -o "$exe" -x c "$textPath" - strip --strip-unneeded "$exe" - ''; - - writeDash = pkgs.makeScriptWriter { - interpreter = "${pkgs.dash}/bin/dash"; - }; - - writeDashBin = name: - assert types.filename.check name; - pkgs.writeDash "/bin/${name}"; - - writeEximConfig = name: text: pkgs.runCommand name { - inherit text; - passAsFile = [ "text" ]; - } /* sh */ '' - # TODO validate exim config even with config.nix.useChroot == true - # currently doing so will fail because "user exim was not found" - #${pkgs.exim}/bin/exim -C "$textPath" -bV >/dev/null - mv "$textPath" $out - ''; - - writeOut = name: specs0: - let - writers.link = - { path - , link - }: - assert path == "" || types.absolute-pathname.check path; - assert types.package.check link; - { - install = /* sh */ '' - ${optionalString (path != "") /* sh */ '' - ${pkgs.coreutils}/bin/mkdir -p $out${dirOf path} - ''} - ${pkgs.coreutils}/bin/ln -s ${link} $out${path} - ''; - }; - - writers.text = - { path - , check ? null - , executable ? false - , mode ? if executable then "0755" else "0644" - , text - }: - assert path == "" || types.absolute-pathname.check path; - assert types.bool.check executable; - assert types.file-mode.check mode; - rec { - var = "file_${hashString "sha1" path}"; - val = text; - install = /* sh */ '' - ${optionalString (check != null) /* sh */ '' - ${check} ''$${var}Path - ''} - ${pkgs.coreutils}/bin/install \ - -m ${mode} \ - -D \ - ''$${var}Path $out${path} - ''; - }; - - write = spec: writers.${spec.type} (removeAttrs spec ["type"]); - - specs = - mapAttrsToList - (path: spec: let - known-types = [ "link" "text" ]; - found-types = attrNames (getAttrs known-types spec); - type = assert length found-types == 1; head found-types; - in spec // { inherit path type; }) - specs0; - - files = map write specs; - - filevars = genAttrs' (filter (hasAttr "var") files) - (spec: nameValuePair spec.var spec.val); - - env = filevars // { passAsFile = attrNames filevars; }; - in - # Use a subshell because <nixpkgs/stdenv/generic/setup.sh>'s genericBuild - # sources (or evaluates) the buildCommand and we don't want to modify its - # shell. In particular, exitHandler breaks in multiple ways with set -u. - pkgs.runCommand name env /* sh */ '' - ( - set -efu - ${concatMapStringsSep "\n" (getAttr "install") files} - ) - ''; - - writeHaskell = - k: - let - k' = parseDrvName k; - name = k'.name; - version = if k'.version != "" then k'.version else "0"; - in - { base-depends ? ["base"] - , executables ? {} - , ghc-options ? ["-Wall" "-O3" "-threaded" "-rtsopts"] - , haskellPackages ? pkgs.haskellPackages - , library ? null - , license ? "WTFPL" - }: - let - isExecutable = executables != {}; - isLibrary = library != null; - - cabal-file = pkgs.writeText "${name}-${version}.cabal" /* cabal */ '' - build-type: Simple - cabal-version: >= 1.2 - name: ${name} - version: ${version} - ${concatStringsSep "\n" (mapAttrsToList exe-section executables)} - ${optionalString isLibrary (lib-section library)} - ''; - - exe-install = - exe-name: - { file ? pkgs.writeText "${name}-${exe-name}.hs" text - , relpath ? "${exe-name}.hs" - , text - , ... }: - if types.filename.check exe-name - then /* sh */ "install -D ${file} $out/${relpath}" - else throw "argument ‘exe-name’ is not a ${types.filename.name}"; - - exe-section = - exe-name: - { build-depends ? base-depends ++ extra-depends - , extra-depends ? [] - , file ? pkgs.writeText "${name}-${exe-name}.hs" text - , relpath ? "${exe-name}.hs" - , text - , ... }: /* cabal */ '' - executable ${exe-name} - build-depends: ${concatStringsSep "," build-depends} - ghc-options: ${toString ghc-options} - main-is: ${relpath} - ''; - - get-depends = - { build-depends ? base-depends ++ extra-depends - , extra-depends ? [] - , ... - }: - build-depends; - - lib-install = - { exposed-modules - , ... }: - concatStringsSep "\n" (mapAttrsToList mod-install exposed-modules); - - lib-section = - { build-depends ? base-depends ++ extra-depends - , extra-depends ? [] - , exposed-modules - , ... }: /* cabal */ '' - library - build-depends: ${concatStringsSep "," build-depends} - ghc-options: ${toString ghc-options} - exposed-modules: ${concatStringsSep "," (attrNames exposed-modules)} - ''; - - mod-install = - mod-name: - { file ? pkgs.writeText "${name}-${mod-name}.hs" text - , relpath ? "${replaceStrings ["."] ["/"] mod-name}.hs" - , text - , ... }: - if types.haskell.modid.check mod-name - then /* sh */ "install -D ${file} $out/${relpath}" - else throw "argument ‘mod-name’ is not a ${types.haskell.modid.name}"; - in - haskellPackages.mkDerivation { - inherit isExecutable isLibrary license version; - executableHaskellDepends = - attrVals - (concatMap get-depends (attrValues executables)) - haskellPackages; - libraryHaskellDepends = - attrVals - (optionals isLibrary (get-depends library)) - haskellPackages; - pname = name; - src = pkgs.runCommand "${name}-${version}-src" {} /* sh */ '' - install -D ${cabal-file} $out/${cabal-file.name} - ${optionalString isLibrary (lib-install library)} - ${concatStringsSep "\n" (mapAttrsToList exe-install executables)} - ''; - }; - - writeJq = name: text: - assert (with types; either absolute-pathname filename).check name; - pkgs.writeOut (baseNameOf name) { - ${optionalString (types.absolute-pathname.check name) name} = { - check = pkgs.writeDash "jqcheck.sh" '' - exec ${pkgs.jq}/bin/jq -f "$1" < /dev/null - ''; - inherit text; - }; - }; - - writeJSON = name: value: pkgs.runCommand name { - json = toJSON value; - passAsFile = [ "json" ]; - } /* sh */ '' - ${pkgs.jq}/bin/jq . "$jsonPath" > "$out" - ''; - - writeNixFromCabal = - trace (toString [ - "The function `writeNixFromCabal` has been deprecated in favour of" - "`writeHaskell`." - ]) - (name: path: pkgs.runCommand name {} /* sh */ '' - ${pkgs.cabal2nix}/bin/cabal2nix ${path} > $out - ''); - - writePython2 = deps: - let - py = pkgs.python2.withPackages(ps: attrVals deps ps); - in - pkgs.makeScriptWriter { - interpreter = "${py}/bin/python"; - check = pkgs.writeDash "python2check.sh" '' - exec ${pkgs.python2Packages.flake8}/bin/flake8 --show-source "$1" - ''; - }; - - writePython2Bin = d: name: - pkgs.writePython2 d "/bin/${name}"; - - writePython3 = deps: - let - py = pkgs.python3.withPackages(ps: attrVals deps ps); - in - pkgs.makeScriptWriter { - interpreter = "${py}/bin/python"; - check = pkgs.writeDash "python3check.sh" '' - exec ${pkgs.python3Packages.flake8}/bin/flake8 --show-source "$1" - ''; - }; - - writePython3Bin = d: name: - pkgs.writePython3 d "/bin/${name}"; - - writeSed = pkgs.makeScriptWriter { - interpreter = "${pkgs.gnused}/bin/sed -f"; - }; - } |