actions/golangci-lint-action
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docs: improve info about performance

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Denis Isaev 2020-05-05 17:51:32 +03:00
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@ -2,9 +2,10 @@
[![Build Status](https://github.com/golangci/golangci-lint-action/workflows/build-and-test/badge.svg)](https://github.com/golangci/golangci-lint-action/actions)
![GitHub Annotations](./static/annotations.png)
It's the official GitHub action for [golangci-lint](https://github.com/golangci/golangci-lint) from it's authors.
The action runs [golangci-lint](https://github.com/golangci/golangci-lint) and reports issues from linters.
The action that runs [golangci-lint](https://github.com/golangci/golangci-lint) and reports issues from linters.
![GitHub Annotations](./static/annotations.png)
## How to use
@ -57,13 +58,12 @@ The action was implemented with performance in mind:
2. We don't use Docker because image pulling is slow.
3. We do as much as we can in parallel, e.g. we download cache, go and golangci-lint binary in parallel.
For example, in a repository of [golangci-lint](https://github.com/golangci/golangci-lint) running this action without the cache takes 35s, but with cache takes 800ms.
But the total execution time of the action on [golangci-lint](https://github.com/golangci/golangci-lint) repository is 14s:
For example, in a repository of [golangci-lint](https://github.com/golangci/golangci-lint) running this action without the cache takes 50s, but with cache takes 14s:
* in parallel:
* 13s to download Go
* 3.7s to restore 50 MB of cache
* 4s to restore 50 MB of cache
* 1s to find and install `golangci-lint`
* 1s to run `golangci-lint`
* 1s to run `golangci-lint` (it takes 35s without cache)
## Internals