Add `UV_` prefix to installer environment variables (#14964)

## Summary

Available as of https://github.com/astral-sh/cargo-dist/pull/46.

.github/workflows/release.yml

@@ -69,7 +69,7 @@ jobs:
         # we specify bash to get pipefail; it guards against the `curl` command
         # failing. otherwise `sh` won't catch that `curl` returned non-0
         shell: bash
-        run: "curl --proto '=https' --tlsv1.2 -LsSf https://github.com/astral-sh/cargo-dist/releases/download/v0.28.7-prerelease.1/cargo-dist-installer.sh | sh"
+        run: "curl --proto '=https' --tlsv1.2 -LsSf https://github.com/astral-sh/cargo-dist/releases/download/v0.28.7-prerelease.2/cargo-dist-installer.sh | sh"
       - name: Cache dist
         uses: actions/upload-artifact@6027e3dd177782cd8ab9af838c04fd81a07f1d47
         with:

crates/uv-static/src/env_vars.rs

@@ -731,9 +731,15 @@ impl EnvVars {
     /// the installer from modifying shell profiles or environment variables.
     pub const UV_UNMANAGED_INSTALL: &'static str = "UV_UNMANAGED_INSTALL";
 
+    /// The URL from which to download uv using the standalone installer. By default, installs from
+    /// uv's GitHub Releases. `INSTALLER_DOWNLOAD_URL` is also supported as an alias, for backwards
+    /// compatibility.
+    pub const UV_DOWNLOAD_URL: &'static str = "UV_DOWNLOAD_URL";
+
     /// Avoid modifying the `PATH` environment variable when installing uv using the standalone
-    /// installer and `self update` feature.
-    pub const INSTALLER_NO_MODIFY_PATH: &'static str = "INSTALLER_NO_MODIFY_PATH";
+    /// installer and `self update` feature. `INSTALLER_NO_MODIFY_PATH` is also supported as an
+    /// alias, for backwards compatibility.
+    pub const UV_NO_MODIFY_PATH: &'static str = "UV_NO_MODIFY_PATH";
 
     /// Skip writing `uv` installer metadata files (e.g., `INSTALLER`, `REQUESTED`, and `direct_url.json`) to site-packages `.dist-info` directories.
     pub const UV_NO_INSTALLER_METADATA: &'static str = "UV_NO_INSTALLER_METADATA";

dist-workspace.toml

@@ -4,7 +4,7 @@ members = ["cargo:."]
 # Config for 'dist'
 [dist]
 # The preferred dist version to use in CI (Cargo.toml SemVer syntax)
-cargo-dist-version = "0.28.7-prerelease.1"
+cargo-dist-version = "0.28.7-prerelease.2"
 # make a package being included in our releases opt-in instead of opt-out
 dist = false
 # CI backends to support

docs/getting-started/installation.md

@@ -151,7 +151,7 @@ $ uv self update
 !!! tip
 
     Updating uv will re-run the installer and can modify your shell profiles. To disable this
-    behavior, set `INSTALLER_NO_MODIFY_PATH=1`.
+    behavior, set `UV_NO_MODIFY_PATH=1`.
 
 When another installation method is used, self-updates are disabled. Use the package manager's
 upgrade method instead. For example, with `pip`:

docs/reference/environment.md

@@ -68,6 +68,12 @@ script, to include the name of the wrapper script in the output file.
 Equivalent to the `--default-index` command-line argument. If set, uv will use
 this URL as the default index when searching for packages.
 
+### `UV_DOWNLOAD_URL`
+
+The URL from which to download uv using the standalone installer. By default, installs from
+uv's GitHub Releases. `INSTALLER_DOWNLOAD_URL` is also supported as an alias, for backwards
+compatibility.
+
 ### `UV_ENV_FILE`
 
 `.env` files from which to load environment variables when executing `uv run` commands.
@@ -269,6 +275,12 @@ Skip writing `uv` installer metadata files (e.g., `INSTALLER`, `REQUESTED`, and
 
 Disable use of uv-managed Python versions.
 
+### `UV_NO_MODIFY_PATH`
+
+Avoid modifying the `PATH` environment variable when installing uv using the standalone
+installer and `self update` feature. `INSTALLER_NO_MODIFY_PATH` is also supported as an
+alias, for backwards compatibility.
+
 ### `UV_NO_PROGRESS`
 
 Equivalent to the `--no-progress` command-line argument. Disables all progress output. For
@@ -562,11 +574,6 @@ Proxy for HTTP requests.
 
 Timeout (in seconds) for HTTP requests. Equivalent to `UV_HTTP_TIMEOUT`.
 
-### `INSTALLER_NO_MODIFY_PATH`
-
-Avoid modifying the `PATH` environment variable when installing uv using the standalone
-installer and `self update` feature.
-
 ### `JPY_SESSION_NAME`
 
 Used to detect when running inside a Jupyter notebook.

docs/reference/installer.md

@@ -23,14 +23,14 @@ To change the installation path, use `UV_INSTALL_DIR`:
 ## Disabling shell modifications
 
 The installer may also update your shell profiles to ensure the uv binary is on your `PATH`. To
-disable this behavior, use `INSTALLER_NO_MODIFY_PATH`. For example:
+disable this behavior, use `UV_NO_MODIFY_PATH`. For example:
 
 ```console
-$ curl -LsSf https://astral.sh/uv/install.sh | env INSTALLER_NO_MODIFY_PATH=1 sh
+$ curl -LsSf https://astral.sh/uv/install.sh | env UV_NO_MODIFY_PATH=1 sh
 ```
 
-If installed with `INSTALLER_NO_MODIFY_PATH`, subsequent operations, like `uv self update`, will not
-modify your shell profiles.
+If installed with `UV_NO_MODIFY_PATH`, subsequent operations, like `uv self update`, will not modify
+your shell profiles.
 
 ## Unmanaged installations