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lsp/rpc.lua: fix env application function

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Env vars must be merged with the current env.
This commit is contained in:
Justin M. Keyes
2020-02-09 00:05:48 -08:00
parent 4cf48dc329
commit a446fbc8fa
2 changed files with 22 additions and 33 deletions
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51
runtime/lua/vim/lsp/rpc.lua
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@@ -33,38 +33,25 @@ local function convert_NIL(v)
return v
end
-- If a dictionary is passed in, turn it into a list of string of "k=v"
-- Accepts a table which can be composed of k=v strings or map-like
-- specification, such as:
--
-- ```
-- {
-- "PRODUCTION=false";
-- "PATH=/usr/bin/";
-- PORT = 123;
-- HOST = "0.0.0.0";
-- }
-- ```
--
-- Non-string values will be cast with `tostring`
local function force_env_list(final_env)
if final_env then
local env = final_env
final_env = {}
for k,v in pairs(env) do
-- If it's passed in as a dict, then convert to list of "k=v"
if type(k) == "string" then
table.insert(final_env, k..'='..tostring(v))
elseif type(v) == 'string' then
table.insert(final_env, v)
else
-- TODO is this right or should I exception here?
-- Try to coerce other values to string.
table.insert(final_env, tostring(v))
end
end
return final_env
--- Merges current process env with the given env and returns the result as
--- a list of "k=v" strings.
---
--- Example:
---
--- { PRODUCTION="false", PATH="/usr/bin/", PORT=123, HOST="0.0.0.0", }
--- => { "PRODUCTION=false", "PATH=/usr/bin/", "PORT=123", "HOST=0.0.0.0", }
local function env_merge(env)
if env == nil then
return env
end
-- Merge.
env = vim.tbl_extend('force', vim.fn.environ(), env)
local final_env = {}
for k,v in pairs(env) do
assert(type(k) == 'string', 'env must be a dict')
table.insert(final_env, k..'='..tostring(v))
end
return final_env
end
local function format_message_with_content_length(encoded_message)
@@ -262,7 +249,7 @@ local function create_and_start_client(cmd, cmd_args, handlers, extra_spawn_para
if spawn_params.cwd then
assert(is_dir(spawn_params.cwd), "cwd must be a directory")
end
spawn_params.env = force_env_list(extra_spawn_params.env)
spawn_params.env = env_merge(extra_spawn_params.env)
end
handle, pid = uv.spawn(cmd, spawn_params, onexit)
end