httpd/lib/builders.nix

λpkgs, ports, filcc

Memory-safe bash script wrapper

8bashScript=

λname

λdeps?, code?, src?, excludeShellChecks?, bashOptions?

deps	default [ ]
code	default null
src	default null
excludeShellChecks	default [ ]
bashOptions	default "errexit" "nounset" "pipefail"

pkgs.writeShellApplication

22inherit

name excludeShellChecks bashOptions

23runtimeInputs=

deps

24text=

if src ≢ null then builtins.readFilesrc else code

25derivationArgs=

26postBuild=

substituteInPlace $out/bin/${name} \

--replace-fail '${pkgs.runtimeShell}' '${ports.bash}/bin/bash'

Memory-safe C/C++ program builder

34filcProgram=

λname

λdeps?, code?, src?, lang?

deps	default [ ]
code	default null
src	default null
lang	default "c++"

let

43extension=

if lang ≡ "c++" then "cpp" else "c"

used by sourceFile

44compiler=

if lang ≡ "c++" then "clang++" else "clang"

45sourceFile=

if src ≢ null then src else pkgs.writeText"${name}.${extension}" code

uses extension

pkgs.stdenv.mkDerivation

49inherit

name

50src=

sourceFile

51nativeBuildInputs=

filcc

52buildInputs=

deps

53unpackPhase=

"true"

55CFLAGS=

pkgs.lib.concatMapStringsSep" " dep: "-I${dep}/include" deps

57LDFLAGS=

pkgs.lib.concatMapStringsSep" " dep: "-L${dep}/lib" deps

59buildPhase=

${compiler} -o ${name} $src $CFLAGS $LDFLAGS -O2

63installPhase=

mkdir -p $out/bin

cp ${name} $out/bin/

Build CGI document root from attrset of scripts

70cgi-bin=

λscripts

pkgs.runCommand"cgi-bin" { }

mkdir -p $out

${pkgs.lib.concatStringsSep"\n" pkgs.lib.mapAttrsToListname: drv: '' ln -s ${drv}/bin/${name} $out/${name} '' scripts}

Build document root with both CGI scripts and static files

82www-root=

λscripts?, static?

scripts	default { }
static	default { }

pkgs.runCommand"www-root" { }

mkdir -p $out

${pkgs.lib.concatStringsSep"\n" pkgs.lib.mapAttrsToListname: drv: '' ln -s ${drv}/bin/${name} $out/${name} '' scripts}

${pkgs.lib.concatStringsSep"\n" pkgs.lib.mapAttrsToListname: file: '' ln -s ${file} $out/${name} '' static}