nixpkgs/pkgs/applications/editors/neovim/wrapper.nix
2022-11-30 18:54:29 +01:00

137 lines
4.9 KiB
Nix

{ stdenv, symlinkJoin, lib, makeWrapper
, writeText
, nodePackages
, python3
, python3Packages
, callPackage
}:
with lib;
neovim:
let
wrapper = {
extraName ? ""
# should contain all args but the binary. Can be either a string or list
, wrapperArgs ? []
, manifestRc ? null
, withPython2 ? false
, withPython3 ? true, python3Env ? python3
, withNodeJs ? false
, rubyEnv ? null
, vimAlias ? false
, viAlias ? false
# additional argument not generated by makeNeovimConfig
# it will append "-u <customRc>" to the wrapped arguments
# set to false if you want to control where to save the generated config
# (e.g., in ~/.config/init.vim or project/.nvimrc)
, wrapRc ? true
, neovimRcContent ? ""
, ...
}@args:
let
wrapperArgsStr = if isString wrapperArgs then wrapperArgs else lib.escapeShellArgs wrapperArgs;
# 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 =
[ "${neovim}/bin/nvim" "${placeholder "out"}/bin/nvim" ]
++ [ "--set" "NVIM_SYSTEM_RPLUGIN_MANIFEST" "${placeholder "out"}/rplugin.vim" ]
++ optionals wrapRc [ "--add-flags" "-u ${writeText "init.vim" neovimRcContent}" ]
;
in
assert withPython2 -> throw "Python2 support has been removed from the neovim wrapper, please remove withPython2 and python2Env.";
symlinkJoin {
name = "neovim-${lib.getVersion neovim}${extraName}";
# Remove the symlinks created by symlinkJoin which we need to perform
# extra actions upon
postBuild = lib.optionalString stdenv.isLinux ''
rm $out/share/applications/nvim.desktop
substitute ${neovim}/share/applications/nvim.desktop $out/share/applications/nvim.desktop \
--replace 'Name=Neovim' 'Name=Neovim wrapper'
''
+ optionalString withPython3 ''
makeWrapper ${python3Env.interpreter} $out/bin/nvim-python3 --unset PYTHONPATH
''
+ optionalString (rubyEnv != null) ''
ln -s ${rubyEnv}/bin/neovim-ruby-host $out/bin/nvim-ruby
''
+ optionalString withNodeJs ''
ln -s ${nodePackages.neovim}/bin/neovim-node-host $out/bin/nvim-node
''
+ optionalString vimAlias ''
ln -s $out/bin/nvim $out/bin/vim
''
+ optionalString viAlias ''
ln -s $out/bin/nvim $out/bin/vi
''
+ optionalString (manifestRc != null) (let
manifestWrapperArgs =
[ "${neovim}/bin/nvim" "${placeholder "out"}/bin/nvim-wrapper" ];
in ''
echo "Generating remote plugin manifest"
export NVIM_RPLUGIN_MANIFEST=$out/rplugin.vim
makeWrapper ${lib.escapeShellArgs manifestWrapperArgs} ${wrapperArgsStr}
# Some plugins assume that the home directory is accessible for
# initializing caches, temporary files, etc. Even if the plugin isn't
# actively used, it may throw an error as soon as Neovim is launched
# (e.g., inside an autoload script), causing manifest generation to
# fail. Therefore, let's create a fake home directory before generating
# the manifest, just to satisfy the needs of these plugins.
#
# See https://github.com/Yggdroot/LeaderF/blob/v1.21/autoload/lfMru.vim#L10
# for an example of this behavior.
export HOME="$(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-wrapper \
-u ${writeText "manifest.vim" manifestRc} \
-i NONE -n \
-V1rplugins.log \
+UpdateRemotePlugins +quit! > outfile 2>&1; then
cat outfile
echo -e "\nGenerating rplugin.vim failed!"
exit 1
fi
rm "${placeholder "out"}/bin/nvim-wrapper"
'')
+ ''
rm $out/bin/nvim
touch $out/rplugin.vim
makeWrapper ${lib.escapeShellArgs finalMakeWrapperArgs} ${wrapperArgsStr}
'';
paths = [ neovim ];
preferLocalBuild = true;
nativeBuildInputs = [ makeWrapper ];
passthru = {
unwrapped = neovim;
initRc = neovimRcContent;
tests = callPackage ./tests {
};
};
meta = neovim.meta // {
# To prevent builds on hydra
hydraPlatforms = [];
# prefer wrapper over the package
priority = (neovim.meta.priority or 0) - 1;
};
};
in
lib.makeOverridable wrapper