X-Git-Url: https://git.madduck.net/etc/vim.git/blobdiff_plain/565f9c92b79a72deb7faec7503749979c791b6e1..d038a24ca200da9dacc1dcb05090c9e5b45b7869:/docs/contributing/gauging_changes.md?ds=sidebyside diff --git a/docs/contributing/gauging_changes.md b/docs/contributing/gauging_changes.md index 3cfa98b..59c40eb 100644 --- a/docs/contributing/gauging_changes.md +++ b/docs/contributing/gauging_changes.md @@ -9,51 +9,16 @@ enough to cause frustration to projects that are already "black formatted". ## black-primer -`black-primer` is a tool built for CI (and humans) to have _Black_ `--check` a number of -Git accessible projects in parallel. (configured in `primer.json`) _(A PR will be -accepted to add Mercurial support.)_ - -### Run flow - -- Ensure we have a `black` + `git` in PATH -- Load projects from `primer.json` -- Run projects in parallel with `--worker` workers (defaults to CPU count / 2) - - Checkout projects - - Run black and record result - - Clean up repository checkout _(can optionally be disabled via `--keep`)_ -- Display results summary to screen -- Default to cleaning up `--work-dir` (which defaults to tempfile schemantics) -- Return - - 0 for successful run - - \< 0 for environment / internal error - - \> 0 for each project with an error - -### Speed up runs 🏎 - -If you're running locally yourself to test black on lots of code try: - -- Using `-k` / `--keep` + `-w` / `--work-dir` so you don't have to re-checkout the repo - each run - -### CLI arguments - -```{program-output} black-primer --help - -``` +`black-primer` is an obsolete tool (now replaced with `diff-shades`) that was used to +gauge the impact of changes in _Black_ on open-source code. It is no longer used +internally and will be removed from the _Black_ repository in the future. ## diff-shades -diff-shades is a tool similar to black-primer, it also runs _Black_ across a list of Git -cloneable OSS projects recording the results. The intention is to eventually fully -replace black-primer with diff-shades as it's much more feature complete and supports -our needs better. - -The main highlight feature of diff-shades is being able to compare two revisions of -_Black_. This is incredibly useful as it allows us to see what exact changes will occur, -say merging a certain PR. Black-primer's results would usually be filled with changes -caused by pre-existing code in Black drowning out the (new) changes we want to see. It -operates similarly to black-primer but crucially it saves the results as a JSON file -which allows for the rich comparison features alluded to above. +diff-shades is a tool that runs _Black_ across a list of Git cloneable OSS projects +recording the results. The main highlight feature of diff-shades is being able to +compare two revisions of _Black_. This is incredibly useful as it allows us to see what +exact changes will occur, say merging a certain PR. For more information, please see the [diff-shades documentation][diff-shades]. @@ -74,7 +39,7 @@ to further information. If there's a pre-existing diff-shades comment, it'll be instead the next time the workflow is triggered on the same PR. The workflow uploads 3-4 artifacts upon completion: the two generated analyses (they -have the .json file extension), `diff.html`, and `.pr-comment-body.md` if triggered by a +have the .json file extension), `diff.html`, and `.pr-comment.json` if triggered by a PR. The last one is downloaded by the `diff-shades-comment` workflow and shouldn't be downloaded locally. `diff.html` comes in handy for push-based or manually triggered runs. And the analyses exist just in case you want to do further analysis using the