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allow installation of multiple packages in one line #2585

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kindlychung opened this issue Apr 16, 2016 · 4 comments · Fixed by #4216
Closed

allow installation of multiple packages in one line #2585

kindlychung opened this issue Apr 16, 2016 · 4 comments · Fixed by #4216
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@kindlychung
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Currently cargo install racer rustfmt would produce an error.
@alexcrichton
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Sounds fine to me! We can't easily parallelize the compilation just yet, but sequencing should be easy enough.

@pwoolcoc pwoolcoc mentioned this issue Apr 21, 2016
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pwoolcoc pushed a commit to pwoolcoc/cargo that referenced this issue May 26, 2016
Closes rust-lang#2585
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@cyplo
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cyplo commented Jul 9, 2016

Hi ! Currently cargo install racer and cargo install rustfmt take a lot of time. It seems that most of the dependencies are duplicated, i.e. racer and rustfmt use same crates in the same versions and would benefit from shared compilation cache. Is that part of the envisioned solution here ?

@alexcrichton
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@cyplo I'd be ok if it weren't part of the first solution, but I think as a long term goal that's definitely something to strive for!

@durka
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durka commented Jun 23, 2017

Seems like two PRs #2601 #3075 have stalled out trying to implement this. I'm going to try to pick it up, wish me luck!

@durka durka mentioned this issue Jun 23, 2017
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bors added a commit that referenced this issue Jul 28, 2017
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Auto merge of #4216 - durka:install-multi, r=alexcrichton
3751e68 
cargo install multiple crates

rust-lang/rustup#986 for `cargo install`

Revives #2601 @pwoolcoc, replaces #3075 @esclear, closes #2585 @kindlychung @cyplo

Avoids the sticking point of the previous two PRs (multiple registry updates) by threading through a first-run boolean flag to decide whether `select_pkg` needs to call `source.update()`.

There is still the issue that flags such as `--git` and `--vers` are "global" to the multiple packages you may be installing. The workaround is just to run `cargo install` separately. In the future we could add syntax like `cargo install foo=1.0 bar=2.5 quux=git://github.com/durka/quux#dev-branch` or something.
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cargo install multiple crates durka/cargo
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@durka @alexcrichton @cyplo @kindlychung