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Feature request: add possibility to separate dependency fetching and building steps #358

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jauhien opened this issue Aug 9, 2014 · 5 comments
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Feature request: add possibility to separate dependency fetching and building steps #358

jauhien opened this issue Aug 9, 2014 · 5 comments
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A-new-subcommand Area: new subcommand A-tooling Area: interaction with other tools

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@jauhien
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jauhien commented Aug 9, 2014

Please, add a possibility to separate these steps:

  • dependency fetching
  • dependency building
  • project building

It is may be not necessary when you are building your project by hand during development, but it is really needed in some automatic builds.

An example is ongoing integration of rust related stuff in Gentoo, where fetching and building phases should be separated even for packages that use git live versions, see https://github.com/Heather/gentoo-rust/issues/25
@vosen vosen mentioned this issue Sep 8, 2014
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@sfackler
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This'd also be nice to easily set up the dependency cache for offline development without having to go through a full build.

@alexcrichton alexcrichton mentioned this issue Sep 12, 2014
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alexcrichton added a commit to alexcrichton/cargo that referenced this issue Sep 16, 2014
@alexcrichton
Implement a cargo fetch command
2dff1ed 
This command is used to download all dependencies of a package ahead of time to
ensure that no more network communication will be necessary as part of a build.

cc rust-lang#358
bors added a commit that referenced this issue Sep 16, 2014
@bors
auto merge of #570 : alexcrichton/cargo/fetch, r=brson
ac40f52 
This command is used to download all dependencies of a package ahead of time to
ensure that no more network communication will be necessary as part of a build.

cc #358
@SimonSapin
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Is this fixed by #570?

@alexcrichton
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Almost! I think this still needs to be able to separate building dependencies and building the main package itself. @jauhien, does that sound right?

@jauhien
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jauhien commented Sep 22, 2014

@alexcrichton, it would be nice. Not critical for my usage though, but generally useful.

@alexcrichton alexcrichton added the A-new-subcommand Area: new subcommand label Oct 13, 2014
@SimonSapin SimonSapin mentioned this issue Dec 10, 2014
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@alexcrichton alexcrichton added A-configuration Area: cargo config files and env vars A-tooling Area: interaction with other tools and removed A-configuration Area: cargo config files and env vars labels Jan 14, 2015
@alexcrichton
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With cargo fetch plus cargo build -p I believe this is fixed now.

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