From 28709cff8a3b03937df161faba4f07138f7073a6 Mon Sep 17 00:00:00 2001
From: Brad Heller <brad@tower.dev>
Date: Wed, 14 Jan 2026 10:18:40 +0000
Subject: [PATCH 1/2] Add some commonly-used environment variables to child app
 environments (#160)

---
 crates/tower-uv/src/lib.rs | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)

diff --git a/crates/tower-uv/src/lib.rs b/crates/tower-uv/src/lib.rs
index 6afe6e3a..33daf16b 100644
--- a/crates/tower-uv/src/lib.rs
+++ b/crates/tower-uv/src/lib.rs
@@ -71,6 +71,38 @@ fn normalize_env_vars(env_vars: &HashMap<String, String>) -> HashMap<String, Str
         env_vars.insert("TMP".to_string(), tmp);
     }
 
+    #[cfg(not(windows))]
+    {
+        // Some downstream dependencies require a HOME environment variable to be set.
+        let home = std::env::var("HOME").unwrap_or_default();
+        env_vars.insert("HOME".to_string(), home);
+
+        // We also need a PATH environment variable often times, we really want the most basic
+        // thing we can get here but for now we'll pass in the currently-configured one.
+        let path = std::env::var("PATH").unwrap_or_default();
+        env_vars.insert("PATH".to_string(), path);
+
+        // On Unix systems, we also want to bring along the TMPDIR environment variable for temp
+        // files.
+        let tmpdir = std::env::var("TMPDIR").unwrap_or_default();
+        env_vars.insert("TMPDIR".to_string(), tmpdir);
+
+        // Also other potentially-set temp vars. These may not be set.
+        let temp = std::env::var("TEMP").unwrap_or_default();
+        env_vars.insert("TEMP".to_string(), temp);
+
+        let tmp = std::env::var("TMP").unwrap_or_default();
+        env_vars.insert("TMP".to_string(), tmp);
+
+        // Let's pass in TZ as well to propagate that to child processes.
+        let tz = std::env::var("TZ").unwrap_or_default();
+        env_vars.insert("TZ".to_string(), tz);
+
+        // And finally locale info, some peeps might need that.
+        let lang = std::env::var("LANG").unwrap_or_default();
+        env_vars.insert("LANG".to_string(), lang);
+    }
+
     env_vars
 }
 

From 8617d787e1e13a397d80ad238262ddd383827f08 Mon Sep 17 00:00:00 2001
From: Brad Heller <brad@tower.dev>
Date: Wed, 14 Jan 2026 10:20:18 +0000
Subject: [PATCH 2/2] Bump version to v0.3.40

---
 Cargo.lock     | 22 +++++++++++-----------
 Cargo.toml     |  2 +-
 pyproject.toml |  2 +-
 uv.lock        |  2 +-
 4 files changed, 14 insertions(+), 14 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index abe512d3..f815bb73 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -480,7 +480,7 @@ dependencies = [
 
 [[package]]
 name = "config"
-version = "0.3.39"
+version = "0.3.40"
 dependencies = [
  "base64",
  "chrono",
@@ -587,7 +587,7 @@ checksum = "d0a5c400df2834b80a4c3327b3aad3a4c4cd4de0629063962b03235697506a28"
 
 [[package]]
 name = "crypto"
-version = "0.3.39"
+version = "0.3.40"
 dependencies = [
  "aes-gcm",
  "base64",
@@ -3215,7 +3215,7 @@ dependencies = [
 
 [[package]]
 name = "testutils"
-version = "0.3.39"
+version = "0.3.40"
 dependencies = [
  "pem",
  "rsa",
@@ -3485,7 +3485,7 @@ checksum = "5d99f8c9a7727884afe522e9bd5edbfc91a3312b36a77b5fb8926e4c31a41801"
 
 [[package]]
 name = "tower"
-version = "0.3.39"
+version = "0.3.40"
 dependencies = [
  "tokio",
  "tower-api",
@@ -3510,7 +3510,7 @@ dependencies = [
 
 [[package]]
 name = "tower-api"
-version = "0.3.39"
+version = "0.3.40"
 dependencies = [
  "reqwest",
  "serde",
@@ -3522,7 +3522,7 @@ dependencies = [
 
 [[package]]
 name = "tower-cmd"
-version = "0.3.39"
+version = "0.3.40"
 dependencies = [
  "axum",
  "bytes",
@@ -3592,7 +3592,7 @@ checksum = "121c2a6cda46980bb0fcd1647ffaf6cd3fc79a013de288782836f6df9c48780e"
 
 [[package]]
 name = "tower-package"
-version = "0.3.39"
+version = "0.3.40"
 dependencies = [
  "async-compression",
  "config",
@@ -3611,7 +3611,7 @@ dependencies = [
 
 [[package]]
 name = "tower-runtime"
-version = "0.3.39"
+version = "0.3.40"
 dependencies = [
  "chrono",
  "config",
@@ -3632,7 +3632,7 @@ checksum = "8df9b6e13f2d32c91b9bd719c00d1958837bc7dec474d94952798cc8e69eeec3"
 
 [[package]]
 name = "tower-telemetry"
-version = "0.3.39"
+version = "0.3.40"
 dependencies = [
  "tracing",
  "tracing-appender",
@@ -3641,7 +3641,7 @@ dependencies = [
 
 [[package]]
 name = "tower-uv"
-version = "0.3.39"
+version = "0.3.40"
 dependencies = [
  "async-compression",
  "async_zip",
@@ -3655,7 +3655,7 @@ dependencies = [
 
 [[package]]
 name = "tower-version"
-version = "0.3.39"
+version = "0.3.40"
 dependencies = [
  "anyhow",
  "chrono",
diff --git a/Cargo.toml b/Cargo.toml
index 3d4dbb79..00342e04 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -4,7 +4,7 @@ resolver = "2"
 
 [workspace.package]
 edition = "2021"
-version = "0.3.39"
+version = "0.3.40"
 description = "Tower is the best way to host Python data apps in production"
 rust-version = "1.81"
 authors = ["Brad Heller <brad@tower.dev>"]
diff --git a/pyproject.toml b/pyproject.toml
index 705d2a3a..645e9d25 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "maturin"
 
 [project]
 name = "tower"
-version = "0.3.39"
+version = "0.3.40"
 description = "Tower CLI and runtime environment for Tower."
 authors = [{ name = "Tower Computing Inc.", email = "brad@tower.dev" }]
 readme = "README.md"
diff --git a/uv.lock b/uv.lock
index f6377fb7..0c9bb048 100644
--- a/uv.lock
+++ b/uv.lock
@@ -2744,7 +2744,7 @@ wheels = [
 
 [[package]]
 name = "tower"
-version = "0.3.39"
+version = "0.3.40"
 source = { editable = "." }
 dependencies = [
     { name = "attrs" },