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uv/docs/configuration/installer.md
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Reza Gharibi d4e8df9b94 Fix PowerShell code blocks (#13511)
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## Summary

The PowerShell prompt is not `$`, so it is not detected as a
`Generic.Prompt` token by Pygments lexers. Therefore, the JavaScript
code does not strip the prompt when copying from PowerShell code blocks,
such as
[here](https://docs.astral.sh/uv/getting-started/installation/#__tabbed_5_2).

Other places in the docs have removed the prompt completely to address
this issue:
* https://docs.astral.sh/uv/guides/projects/#__tabbed_1_2
* https://docs.astral.sh/uv/guides/integration/jupyter/#__tabbed_1_2

This PR updates the PowerShell prompt to `PS>` and changes the code
fence language to `pwsh-session` to match the lexer name from
[Pygments](https://pygments.org/docs/lexers/#pygments.lexers.shell.PowerShellSessionLexer).
This allows the prompt to be correctly detected as a `Generic.Prompt`
token and is stripped during copy.

Related: https://github.com/astral-sh/uv/pull/12520
2025-05-17 21:06:48 -05:00

54 lines
1.7 KiB
Markdown

# Configuring the uv installer
## Changing the install path
By default, uv is installed to `~/.local/bin`. If `XDG_BIN_HOME` is set, it will be used instead.
Similarly, if `XDG_DATA_HOME` is set, the target directory will be inferred as
`XDG_DATA_HOME/../bin`.
To change the installation path, use `UV_INSTALL_DIR`:
=== "macOS and Linux"
```console
$ curl -LsSf https://astral.sh/uv/install.sh | env UV_INSTALL_DIR="/custom/path" sh
```
=== "Windows"
```pwsh-session
PS> powershell -ExecutionPolicy ByPass -c {$env:UV_INSTALL_DIR = "C:\Custom\Path";irm https://astral.sh/uv/install.ps1 | iex}
```
## 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:
```console
$ curl -LsSf https://astral.sh/uv/install.sh | env INSTALLER_NO_MODIFY_PATH=1 sh
```
If installed with `INSTALLER_NO_MODIFY_PATH`, subsequent operations, like `uv self update`, will not
modify your shell profiles.
## Unmanaged installations
In ephemeral environments like CI, use `UV_UNMANAGED_INSTALL` to install uv to a specific path while
preventing the installer from modifying shell profiles or environment variables:
```console
$ curl -LsSf https://astral.sh/uv/install.sh | env UV_UNMANAGED_INSTALL="/custom/path" sh
```
The use of `UV_UNMANAGED_INSTALL` will also disable self-updates (via `uv self update`).
## Passing options to the install script
Using environment variables is recommended because they are consistent across platforms. However,
options can be passed directly to the install script. For example, to see the available options:
```console
$ curl -LsSf https://astral.sh/uv/install.sh | sh -s -- --help
```