Working on Windows - Jujutsu docs

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# Working on Windows

Jujutsu works the same on all platforms, but there are some caveats that Windows users should be aware of.

## Line endings are not converted

Jujutsu does not currently honor `.gitattributes` and does not have a setting like Git's `core.autocrlf`. This means that line endings will be checked out exactly as they are committed and committed exactly as authored. This is true on all platforms, but Windows users are most likely to miss CRLF conversion.

Your Git repository may expect Windows users to have `core.autocrlf` set to `true`, so that files are checked out with line endings converted from LF to CRLF but committed with line endings converted from CRLF back to LF. Jujutsu doesn't understand this and preserves CRLF line endings in files when committing.

After creating a colocated repository on Windows, you most likely want to set `core.autocrlf` to `input`, then `jj abandon` to convert all files on disk to LF line endings:

    PS> git config core.autocrlf input

    # Abandoning the working copy will cause Jujutsu to overwrite all files with
    # CRLF line endings with the line endings they are committed with, probably LF
    PS> jj abandon

This setting ensures Git will check out files with LF line endings without converting them to CRLF. You'll want to make sure any tooling you use, especially IDEs, preserve LF line endings.

## Pagination

On Windows, `jj` will use its integrated pager called `streampager` by default, unless the environment variable `%PAGER%` or the config `ui.pager` is explicitly set. See the pager section of the config docs for more details.

If the built-in pager doesn't meet your needs and you have Git installed, you can switch to using Git's pager as follows:

    PS> jj config set --user ui.pager '["C:\\Program Files\\Git\\usr\\bin\\less.exe", "-FRX"]'
    PS> jj config set --user ui.paginate auto

## Typing `@` in PowerShell

PowerShell uses `@` as part the array sub-expression operator, so it often needs to be escaped or quoted in commands:

    PS> jj log -r `@
    PS> jj log -r '@'

One solution is to create a revset alias. For example, to make `HEAD` an alias for `@`:

    PS> jj config set --user revset-aliases.HEAD '@'
    PS> jj log -r HEAD

## WSL sets the execute bit on all files

When viewing a Windows drive from WSL (via /mnt/c or a similar path), Windows exposes all files with the execute bit set. Since Jujutsu automatically records changes to the working copy, this sets the execute bit on all files committed in your repository.

If you only need to access the repository in WSL, the best solution is to clone the repository in the Linux file system (for example, in `~/my-repo`).

If you need to use the repository in both WSL and Windows, one solution is to create a workspace in the Linux file system:

    PS> jj workspace add --name wsl ~/my-repo

Then only use the `~/my-repo` workspace from Linux.

## Symbolic link support

`jj` supports symlinks on Windows only when they are enabled by the operating system. This requires Windows 10 version 14972 or higher, as well as Developer Mode. If those conditions are not satisfied, `jj` will materialize symlinks as ordinary files.

For colocated repositories, Git support must also be enabled using the `git config` option `core.symlinks=true`.