Improved and expanded Rust examples #325
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I have updated the examples to |
The registry filesystem format and the git repositories work across platforms, no need to maintain runner-specific caches for these.
As the packed crate sources are stored under ~/.cargo/registry/cache, it's redundant to archive the unpacked sources. The sufficient local state of the git dependencies is in ~/.cargo/git/db. Cargo automatically checks out the source trees if missing.
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This example could be used by projects that build Rust end product crates on an OS matrix, but share the cargo cache. To avoid fetching the dependencies from the network in each matrix job in case of a cache miss, a dedicated job pre-populates the cache on Linux, to be reused by the jobs in the matrix. Also demonstrate separate proximate caching of the registry index.
No Cargo.lock in the checkout, so the workflow has to generate it first.
This speeds up builds unless the target directory is also cached. Conveniently, the simple example which features such caching omits the build step.
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This was referenced Jul 10, 2020
This was referenced Nov 13, 2020
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Examples are intended to be minimal as you can see from other languages. Please make another repo to include them there, because github will likely not maintain big examples. |
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Cargo.lockchecked in.