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{ lib, stdenv, callPackage, runCommand, ruby }@defs:
{
name
# gemdir is the location of the Gemfile{,.lock} and gemset.nix; usually ./.
, gemdir
# Exes is the list of executables provided by the gems in the Gemfile
, exes ? []
# Scripts are ruby programs depend on gems in the Gemfile (e.g. scripts/rails)
, scripts ? []
, ruby ? defs.ruby
, gemfile ? null
, lockfile ? null
, gemset ? null
, preferLocalBuild ? false
, allowSubstitutes ? false
, meta ? {}
, postBuild ? ""
}@args:
let
basicEnv = (callPackage ../bundled-common {}) args;
cmdArgs = removeAttrs args [ "name" "postBuild" ]
// { inherit preferLocalBuild allowSubstitutes; }; # pass the defaults
in
runCommand name cmdArgs ''
mkdir -p $out/bin; cd $out;
${(lib.concatMapStrings (x: "ln -s '${basicEnv}/bin/${x}' '${x}';\n") exes)}
${(lib.concatMapStrings (s: "makeWrapper $out/bin/$(basename ${s}) $srcdir/${s} " +
"--set BUNDLE_GEMFILE ${basicEnv.confFiles}/Gemfile "+
"--set BUNDLE_PATH ${basicEnv}/${ruby.gemPath} "+
"--set BUNDLE_FROZEN 1 "+
"--set GEM_HOME ${basicEnv}/${ruby.gemPath} "+
"--set GEM_PATH ${basicEnv}/${ruby.gemPath} "+
"--run \"cd $srcdir\";\n") scripts)}
${postBuild}
''
|