Determine runtime dir based on executable location or env override.

1 files changed, 12 insertions, 0 deletions

diff --git a/helix-core/src/lib.rs b/helix-core/src/lib.rs
index dda9863b..e68dc186 100644
--- a/helix-core/src/lib.rs
+++ b/helix-core/src/lib.rs
@@ -44,6 +44,18 @@ pub(crate) fn find_first_non_whitespace_char(text: RopeSlice, line_num: usize) -
     None
 }
 
+pub fn runtime_dir() -> std::path::PathBuf {
+    // runtime env var || dir where binary is located
+    std::env::var("HELIX_RUNTIME")
+        .map(|path| path.into())
+        .unwrap_or_else(|_| {
+            std::env::current_exe()
+                .ok()
+                .and_then(|path| path.parent().map(|path| path.to_path_buf()))
+                .unwrap()
+        })
+}
+
 pub fn config_dir() -> std::path::PathBuf {
     // TODO: allow env var override
     let xdg_dirs =