set default SHELL and TERM for subprocesses

2 files changed, 16 insertions, 10 deletions

diff --git a/src/env.rs b/src/env.rs
index 4c461ff..6ac67f5 100644
--- a/src/env.rs
+++ b/src/env.rs
@@ -20,13 +20,19 @@ pub struct V0 {
 }
 
 impl Env {
-    pub fn new() -> Self {
-        Self::V0(V0 {
+    pub fn new() -> anyhow::Result<Self> {
+        let mut vars: std::collections::HashMap<
+            std::ffi::OsString,
+            std::ffi::OsString,
+        > = std::env::vars_os().collect();
+        vars.insert("SHELL".into(), std::env::current_exe()?.into());
+        vars.insert("TERM".into(), "screen".into());
+        Ok(Self::V0(V0 {
             idx: 0,
             latest_status: std::process::ExitStatus::from_raw(0),
-            pwd: std::env::current_dir().unwrap(),
-            vars: std::env::vars_os().collect(),
-        })
+            pwd: std::env::current_dir()?,
+            vars,
+        }))
     }
 
     pub fn idx(&self) -> usize {
diff --git a/src/shell/mod.rs b/src/shell/mod.rs
index e7160be..0547bae 100644
--- a/src/shell/mod.rs
+++ b/src/shell/mod.rs
@@ -146,7 +146,7 @@ pub async fn main() -> anyhow::Result<i32> {
         });
     }
 
-    let mut shell = Shell::new(crate::info::get_offset());
+    let mut shell = Shell::new(crate::info::get_offset())?;
     let mut prev_dir = shell.env.current_dir().to_path_buf();
     git_w.send(prev_dir.clone()).await.unwrap();
     let event_reader = event::Reader::new(event_r);
@@ -211,18 +211,18 @@ pub struct Shell {
 }
 
 impl Shell {
-    pub fn new(offset: time::UtcOffset) -> Self {
-        Self {
+    pub fn new(offset: time::UtcOffset) -> anyhow::Result<Self> {
+        Ok(Self {
             readline: readline::Readline::new(),
             history: history::History::new(),
-            env: Env::new(),
+            env: Env::new()?,
             git: None,
             focus: Focus::Readline,
             scene: Scene::Readline,
             escape: false,
             hide_readline: false,
             offset,
-        }
+        })
     }
 
     pub async fn render(