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Rollup merge of #22256 - brson:installer-next, r=alexcrichton

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Highlights:

* Adds an 'uninstall.sh' script to `/usr/local/lib/rustlib/uninstall.sh`, the path to which is printed during installation.
* Components can be deselected during install, like `install.sh --without=rust-docs`.
* Components can be listed with `install.sh --list-components`.
* Vastly reduces spew during install (but supporting a `--verbose` option).

Typicall install run looks like:

```
brian@brianX1:~/dev/multirust⟫ sudo ./install.sh
[sudo] password for brian:
install: creating uninstall script at /usr/local/lib/rustlib/uninstall.sh
install: installing component 'rustc'
install: installing component 'cargo'
install: installing component 'rust-docs'

    Rust is ready to roll.
```

Needs to be merged right before corresponding PRs to cargo and rust-packaging.

Fixes https://github.com/rust-lang/rust/issues/21117
Fixes https://github.com/rust-lang/rust/issues/20283
This commit is contained in:
Manish Goregaokar 2015-02-15 18:36:35 +05:30
commit 97503e1c1e
4 changed files with 18 additions and 26 deletions
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6
src/doc/trpl/installing-rust.md
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@ -24,11 +24,11 @@ installer](https://static.rust-lang.org/dist/rust-nightly-x86_64-pc-windows-gnu.
and run it.
If you decide you don't want Rust anymore, we'll be a bit sad, but that's okay.
Not every programming language is great for everyone. Just pass an argument to
the script:
Not every programming language is great for everyone. Just run the uninstall
script:
```bash
$ curl -s https://static.rust-lang.org/rustup.sh | sudo sh -s -- --uninstall
$ sudo /usr/local/lib/rustlib/uninstall.sh
```
If you used the Windows installer, just re-run the `.exe` and it will give you