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Updated CLI in rez-env warning
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j0yu authored and Joseph Yu committed Mar 18, 2021
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36 changes: 18 additions & 18 deletions wiki/pages/Installation.md
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Expand Up @@ -37,29 +37,29 @@ The environment variables to activate `rez` will be slightly different:
- Add `/opt/rez/bin` to `PATH`
- Add `/opt/rez` to `PYTHONPATH`

Alternatively, if you already have `rez` setup and have `pip>=19` available,
Alternatively, if you already have `rez` setup and have `pip>=19` available,
you can then install `rez` as a `rez` package by using:

]$ rez-pip --install .

However, these methods comes with a caveat - rez command line tools _are not
guaranteed to work correctly_ once inside a rez environment (ie after using the
`rez-env` command). The reasons are given in the next section.

Pip installation is adequate however, if all you require is the rez API, or you
don't require its command line tools to be available within a resolved environment.

Note that running pip-installed rez command line tools will print a warning like so:

```
Pip-based rez installation detected. Please be aware that rez command line tools
are not guaranteed to function correctly in this case. See
https://github.com/nerdvegas/rez/wiki/Installation#why-not-pip-for-production
for futher details.
```


## Why Not Pip For Production?
don't require its command line tools (`rez-context`, `rez-search`, `rez-view`,
etc) to be available within a resolved environment.

> [[media/icons/warning.png]] For these pip based installs, rez command line
> tools _are not guaranteed to work correctly_ once inside a rez environment
> (ie after using the `rez-env` command).
>
> See [Why Not Pip For Production?](#why-not-pip-for-production) below.
> You will also be warned with the following message in the terminal:
> ```
> Pip-based rez installation detected. Please be aware that rez command line tools
> are not guaranteed to function correctly in this case. See
> https://github.com/nerdvegas/rez/wiki/Installation#why-not-pip-for-production
> for further details.
> ```
### Why Not Pip For Production?

Rez is not a normal python package. Although it can successfully be installed
using standard mechanisms such as pip, this comes with a number of caveats.
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