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Merge pull request #88110 from doronbehar/improve-neovim-wrapper

wrapNeovim: consolidate makeWrapper arguments and more
This commit is contained in:
Silvan Mosberger 2020-08-01 00:59:45 +02:00 committed by GitHub
commit c1f872bfa8
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@ -1,4 +1,4 @@
{ stdenv, lib, makeWrapper
{ stdenv, symlinkJoin, lib, makeWrapper
, vimUtils
, bundlerEnv, ruby
, nodejs
@ -55,44 +55,95 @@ let
binPath = makeBinPath (optionals withRuby [rubyEnv] ++ optionals withNodeJs [nodejs]);
# Mapping a boolean argument to a key that tells us whether to add or not to
# add to nvim's 'embedded rc' this:
#
# let g:<key>_host_prog=$out/bin/nvim-<key>
#
# Or this:
#
# let g:loaded_${prog}_provider=1
#
# While the later tells nvim that this provider is not available
#
hostprog_check_table = {
node = withNodeJs;
python = withPython;
python3 = withPython3;
ruby = withRuby;
};
## Here we calculate all of the arguments to the 1st call of `makeWrapper`
# We start with the executable itself NOTE we call this variable "initial"
# because if configure != {} we need to call makeWrapper twice, in order to
# avoid double wrapping, see comment near finalMakeWrapperArgs
initialMakeWrapperArgs =
let
flags = lib.concatLists (lib.mapAttrsToList (
prog:
withProg:
[
"--cmd"
(if withProg then
"let g:${prog}_host_prog='${placeholder "out"}/bin/nvim-${prog}'"
else
"let g:loaded_${prog}_provider=1"
)
]
) hostprog_check_table);
in [
"${neovim}/bin/nvim" "${placeholder "out"}/bin/nvim"
"--argv0" "$0"
"--add-flags" (lib.escapeShellArgs flags)
] ++ lib.optionals withRuby [
"--set" "GEM_HOME" "${rubyEnv}/${rubyEnv.ruby.gemPath}"
] ++ lib.optionals (binPath != "") [
"--suffix" "PATH" ":" binPath
];
# If configure != {}, we can't generate the rplugin.vim file with e.g
# NVIM_SYSTEM_RPLUGIN_MANIFEST *and* NVIM_RPLUGIN_MANIFEST env vars set in
# the wrapper. That's why only when configure != {} (tested both here and
# when postBuild is evaluated), we call makeWrapper once to generate a
# wrapper with most arguments we need, excluding those that cause problems to
# generate rplugin.vim, but still required for the final wrapper.
finalMakeWrapperArgs = initialMakeWrapperArgs
# this relies on a patched neovim, see
# https://github.com/neovim/neovim/issues/9413
++ lib.optionals (configure != {}) [
"--set" "NVIM_SYSTEM_RPLUGIN_MANIFEST" "${placeholder "out"}/rplugin.vim"
"--add-flags" "-u ${vimUtils.vimrcFile configure}"
]
;
in
stdenv.mkDerivation {
symlinkJoin {
name = "neovim-${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
postBuild = ''
# Remove the symlinks created by symlinkJoin which we need to perform
# extra actions upon
rm $out/share/applications/nvim.desktop $out/bin/nvim
makeWrapper ${lib.escapeShellArgs initialMakeWrapperArgs} ${extraMakeWrapperArgs}
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 ''
''
+ optionalString withPython3 ''
makeWrapper ${python3Env}/bin/python3 $out/bin/nvim-python3 --unset PYTHONPATH
'' + optionalString withRuby ''
''
+ optionalString withRuby ''
ln -s ${rubyEnv}/bin/neovim-ruby-host $out/bin/nvim-ruby
'' + optionalString vimAlias ''
''
+ optionalString withNodeJs ''
ln -s ${nodePackages.neovim}/bin/neovim-node $out/bin/nvim-node
''
+ optionalString vimAlias ''
ln -s $out/bin/nvim $out/bin/vim
'' + optionalString viAlias ''
''
+ optionalString viAlias ''
ln -s $out/bin/nvim $out/bin/vi
'' + optionalString (configure != {}) ''
''
+ optionalString (configure != {}) ''
echo "Generating remote plugin manifest"
export NVIM_RPLUGIN_MANIFEST=$out/rplugin.vim
# Some plugins assume that the home directory is accessible for
@ -119,22 +170,18 @@ let
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}
makeWrapper ${lib.escapeShellArgs finalMakeWrapperArgs} ${extraMakeWrapperArgs}
'';
paths = [ neovim ];
preferLocalBuild = true;
buildInputs = [makeWrapper];
passthru = { unwrapped = neovim; };
meta = neovim.meta // {
description = neovim.meta.description;
# To prevent builds on hydra
hydraPlatforms = [];
# prefer wrapper over the package
priority = (neovim.meta.priority or 0) - 1;