Provide Zed Data Dir as a TaskVariable

crates/project/src/task_inventory.rs

@@ -18,7 +18,7 @@ use language::{
     language_settings::LanguageSettings,
 };
 use lsp::{LanguageServerId, LanguageServerName};
-use paths::{debug_task_file_name, task_file_name};
+use paths::{debug_task_file_name, extensions_dir, task_file_name};
 use settings::{InvalidSettingsError, parse_json_with_comments};
 use task::{
     DebugScenario, ResolvedTask, SharedTaskContext, TaskContext, TaskHook, TaskId, TaskTemplate,
@@ -1125,6 +1125,11 @@ impl ContextProvider for BasicContextProvider {
             task_variables.insert(VariableName::Language, language.name().to_string());
         }
 
+        task_variables.insert(
+            VariableName::ExtensionWorkDir,
+            extensions_dir().join("work").to_string_lossy().into_owned(),
+        );
+
         Task::ready(Ok(task_variables))
     }
 }

crates/task/src/task.rs

@@ -195,6 +195,8 @@ pub enum VariableName {
     GitRepositoryPath,
     /// Name of the Git ref (branch, remote ref, or tag) associated with the task context.
     GitRef,
+    /// Absolute path of the Zed extensions work directory
+    ExtensionWorkDir,
     /// Custom variable, provided by the plugin or other external source.
     /// Will be printed with `CUSTOM_` prefix to avoid potential conflicts with other variables.
     Custom(Cow<'static, str>),
@@ -236,6 +238,7 @@ impl FromStr for VariableName {
             "GIT_REPOSITORY_NAME" => Self::GitRepositoryName,
             "GIT_REPOSITORY_PATH" => Self::GitRepositoryPath,
             "GIT_REF" => Self::GitRef,
+            "EXTENSION_WORK_DIR" => Self::ExtensionWorkDir,
             _ => {
                 if let Some(custom_name) =
                     without_prefix.strip_prefix(ZED_CUSTOM_VARIABLE_NAME_PREFIX)
@@ -277,6 +280,7 @@ impl std::fmt::Display for VariableName {
             Self::GitRepositoryName => write!(f, "{ZED_VARIABLE_NAME_PREFIX}GIT_REPOSITORY_NAME"),
             Self::GitRepositoryPath => write!(f, "{ZED_VARIABLE_NAME_PREFIX}GIT_REPOSITORY_PATH"),
             Self::GitRef => write!(f, "{ZED_VARIABLE_NAME_PREFIX}GIT_REF"),
+            Self::ExtensionWorkDir => write!(f, "{ZED_VARIABLE_NAME_PREFIX}EXTENSION_WORK_DIR"),
             Self::Custom(s) => write!(
                 f,
                 "{ZED_VARIABLE_NAME_PREFIX}{ZED_CUSTOM_VARIABLE_NAME_PREFIX}{s}"

docs/src/tasks.md

@@ -98,6 +98,7 @@ These variables allow you to pull information from the current editor and use it
 - `ZED_WORKTREE_ROOT`: absolute path to the root of the current worktree. (e.g. `/Users/my-user/path/to/project`)
 - `ZED_MAIN_GIT_WORKTREE`: absolute path to the main git worktree's working directory. For normal checkouts this equals `ZED_WORKTREE_ROOT`; for linked git worktrees this is the original repository's working directory.
 - `ZED_CUSTOM_RUST_PACKAGE`: (Rust-specific) name of the parent package of $ZED_FILE source file.
+- `ZED_EXTENSION_WORK_DIR`: the absolute path to the Zed extension work directory
 
 To use a variable in a task, prefix it with a dollar sign (`$`):