diff --git a/book/src/languages.md b/book/src/languages.md index 133e6447941c..e45ef910a8d4 100644 --- a/book/src/languages.md +++ b/book/src/languages.md @@ -39,7 +39,7 @@ injection-regex = "^mylang$" file-types = ["mylang", "myl"] comment-token = "#" indent = { tab-width = 2, unit = " " } -language-server = { command = "mylang-lsp", args = ["--stdio"] } +language-server = { command = "mylang-lsp", args = ["--stdio"], environment = { "ENV1" = "value1", "ENV2" = "value2" } } formatter = { command = "mylang-formatter" , args = ["--stdin"] } ``` @@ -99,6 +99,7 @@ The `language-server` field takes the following keys: | `args` | A list of arguments to pass to the language server binary | | `timeout` | The maximum time a request to the language server may take, in seconds. Defaults to `20` | | `language-id` | The language name to pass to the language server. Some language servers support multiple languages and use this field to determine which one is being served in a buffer | +| `environment` | Any environment variables that will be used when starting the language server `{ "KEY1" = "Value1", "KEY2" = "Value2" }` | The top-level `config` field is used to configure the LSP initialization options. A `format` sub-table within `config` can be used to pass extra formatting options to diff --git a/helix-core/src/syntax.rs b/helix-core/src/syntax.rs index b567a8ab7339..bc64a79b499f 100644 --- a/helix-core/src/syntax.rs +++ b/helix-core/src/syntax.rs @@ -204,6 +204,8 @@ pub struct LanguageServerConfiguration { #[serde(default)] #[serde(skip_serializing_if = "Vec::is_empty")] pub args: Vec, + #[serde(default, skip_serializing_if = "HashMap::is_empty")] + pub environment: HashMap, #[serde(default = "default_timeout")] pub timeout: u64, pub language_id: Option, diff --git a/helix-lsp/src/client.rs b/helix-lsp/src/client.rs index 424cbabfa202..9c74ab2bd859 100644 --- a/helix-lsp/src/client.rs +++ b/helix-lsp/src/client.rs @@ -42,10 +42,12 @@ pub struct Client { impl Client { #[allow(clippy::type_complexity)] + #[allow(clippy::too_many_arguments)] pub fn start( cmd: &str, args: &[String], config: Option, + server_environment: HashMap, root_markers: &[String], id: usize, req_timeout: u64, @@ -55,6 +57,7 @@ impl Client { let cmd = which::which(cmd).map_err(|err| anyhow::anyhow!(err))?; let process = Command::new(cmd) + .envs(server_environment) .args(args) .stdin(Stdio::piped()) .stdout(Stdio::piped()) diff --git a/helix-lsp/src/lib.rs b/helix-lsp/src/lib.rs index 5de76c6cd8dc..adcdd39096dc 100644 --- a/helix-lsp/src/lib.rs +++ b/helix-lsp/src/lib.rs @@ -513,6 +513,7 @@ fn start_client( &ls_config.command, &ls_config.args, config.config.clone(), + ls_config.environment.clone(), &config.roots, id, ls_config.timeout,