nixpkgs/pkgs/applications/editors/neovim/wrapper.nix
2020-03-15 12:55:06 +00:00

145 lines
5.8 KiB
Nix

{ stdenv, lib, makeWrapper
, vimUtils
, bundlerEnv, ruby
, nodejs
, nodePackages
, pythonPackages
, python3Packages
}:
with stdenv.lib;
neovim:
let
wrapper = {
extraMakeWrapperArgs ? ""
, withPython ? true, extraPythonPackages ? (_: []) /* the function you would have passed to python.withPackages */
, withPython3 ? true, extraPython3Packages ? (_: []) /* the function you would have passed to python.withPackages */
, withNodeJs? false
, withRuby ? true
, vimAlias ? false
, viAlias ? false
, configure ? {}
}:
let
rubyEnv = bundlerEnv {
name = "neovim-ruby-env";
gemdir = ./ruby_provider;
postBuild = ''
ln -sf ${ruby}/bin/* $out/bin
'';
};
/* for compatibility with passing extraPythonPackages as a list; added 2018-07-11 */
compatFun = funOrList: (if builtins.isList funOrList then
(_: lib.warn "passing a list as extraPythonPackages to the neovim wrapper is deprecated, pass a function as to python.withPackages instead" funOrList)
else funOrList);
extraPythonPackagesFun = compatFun extraPythonPackages;
extraPython3PackagesFun = compatFun extraPython3Packages;
requiredPlugins = vimUtils.requiredPlugins configure;
getDeps = attrname: map (plugin: plugin.${attrname} or (_:[]));
pluginPythonPackages = getDeps "pythonDependencies" requiredPlugins;
pythonEnv = pythonPackages.python.withPackages(ps:
[ ps.pynvim ]
++ (extraPythonPackagesFun ps)
++ (concatMap (f: f ps) pluginPythonPackages));
pluginPython3Packages = getDeps "python3Dependencies" requiredPlugins;
python3Env = python3Packages.python.withPackages (ps:
[ ps.pynvim ]
++ (extraPython3PackagesFun ps)
++ (concatMap (f: f ps) pluginPython3Packages));
binPath = makeBinPath (optionals withRuby [rubyEnv] ++ optionals withNodeJs [nodejs]);
in
stdenv.mkDerivation {
name = "neovim-${stdenv.lib.getVersion neovim}";
buildCommand = let bin="${neovim}/bin/nvim"; in ''
if [ ! -x "${bin}" ]
then
echo "cannot find executable file \`${bin}'"
exit 1
fi
makeWrapper "$(readlink -v --canonicalize-existing "${bin}")" \
"$out/bin/nvim" --add-flags " \
--cmd \"${if withNodeJs then "let g:node_host_prog='${nodePackages.neovim}/bin/neovim-node-host'" else "let g:loaded_node_provider=1"}\" \
--cmd \"${if withPython then "let g:python_host_prog='$out/bin/nvim-python'" else "let g:loaded_python_provider = 1"}\" \
--cmd \"${if withPython3 then "let g:python3_host_prog='$out/bin/nvim-python3'" else "let g:loaded_python3_provider = 1"}\" \
--cmd \"${if withRuby then "let g:ruby_host_prog='$out/bin/nvim-ruby'" else "let g:loaded_ruby_provider=1"}\" " \
--suffix PATH : ${binPath} \
${optionalString withRuby '' --set GEM_HOME ${rubyEnv}/${rubyEnv.ruby.gemPath}'' }
''
+ optionalString (!stdenv.isDarwin) ''
# copy icon and patch the original neovim.desktop file
mkdir -p $out/share/{applications,pixmaps}
ln -s ${neovim}/share/pixmaps/nvim.png $out/share/pixmaps/nvim.png
substitute ${neovim}/share/applications/nvim.desktop $out/share/applications/nvim.desktop \
--replace 'TryExec=nvim' "TryExec=$out/bin/nvim" \
--replace 'Name=Neovim' 'Name=WrappedNeovim'
''
+ optionalString withPython ''
makeWrapper ${pythonEnv}/bin/python $out/bin/nvim-python --unset PYTHONPATH
'' + optionalString withPython3 ''
makeWrapper ${python3Env}/bin/python3 $out/bin/nvim-python3 --unset PYTHONPATH
'' + optionalString withRuby ''
ln -s ${rubyEnv}/bin/neovim-ruby-host $out/bin/nvim-ruby
'' + optionalString vimAlias ''
ln -s $out/bin/nvim $out/bin/vim
'' + optionalString viAlias ''
ln -s $out/bin/nvim $out/bin/vi
'' + optionalString (configure != {}) ''
echo "Generating remote plugin manifest"
export NVIM_RPLUGIN_MANIFEST=$out/rplugin.vim
# Some plugins assume that the home directory is accessible for
# initializing caches, temporary files, etc. Even if the plugin isn't
# actively used, it may throw an error as soon as Neovim is launched
# (e.g., inside an autoload script), causing manifest generation to
# fail. Therefore, let's create a fake home directory before generating
# the manifest, just to satisfy the needs of these plugins.
#
# See https://github.com/Yggdroot/LeaderF/blob/v1.21/autoload/lfMru.vim#L10
# for an example of this behavior.
export HOME="$(mktemp -d)"
# Launch neovim with a vimrc file containing only the generated plugin
# code. Pass various flags to disable temp file generation
# (swap/viminfo) and redirect errors to stderr.
# Only display the log on error since it will contain a few normally
# irrelevant messages.
if ! $out/bin/nvim \
-u ${vimUtils.vimrcFile (configure // { customRC = ""; })} \
-i NONE -n \
-E -V1rplugins.log -s \
+UpdateRemotePlugins +quit! > outfile 2>&1; then
cat outfile
echo -e "\nGenerating rplugin.vim failed!"
exit 1
fi
unset NVIM_RPLUGIN_MANIFEST
# this relies on a patched neovim, see
# https://github.com/neovim/neovim/issues/9413
wrapProgram $out/bin/nvim \
--set NVIM_SYSTEM_RPLUGIN_MANIFEST $out/rplugin.vim \
--add-flags "-u ${vimUtils.vimrcFile configure}" ${extraMakeWrapperArgs}
'';
preferLocalBuild = true;
buildInputs = [makeWrapper];
passthru = { unwrapped = neovim; };
meta = neovim.meta // {
description = neovim.meta.description;
hydraPlatforms = [];
# prefer wrapper over the package
priority = (neovim.meta.priority or 0) - 1;
};
};
in
lib.makeOverridable wrapper