getchanges is a utility for retrieving changelogs
getchanges aims to be a CLI tool for finding and retrieving changelogs for any package. That means:
- system packages (apt, zypper, pacman, brew, …)
- language packages (pip, gem, cargo, …)
- ad-hoc scripts (curl https://foo.bar > /bin/foobar, …)
This project is a Work In-Progress! Expect very little for now and avoid the disappointment.
If you’re looking to contribute – that’s fantastic, I’m always open to getting some helping hands! Feel free to dive right in.
The rough end goal is to have:
$ changes [-sSOURCE] [--from FROM_VERSION] [--to TO_VERSION] NAME
OPTIONS: <NAME> Sets the name (of package / command) to search. -s, --source <SOURCE> Provides a source language restriction/hint. -f, --from <FROM> Outputs the Changelog beginning with this version. -t, --to <FROM> Outputs the Changelog ending with this version.
My plan is to start by requiring source hints, which will let me build up a library of package-source-parsers:
$ changes -spy coveralls # parses https://pypi.org/project/coveralls/ # finds https://github.com/coveralls-clients/coveralls-python/blob/master/CHANGELOG.md $ changes -sbrew ripgrep # parses https://github.com/Homebrew/homebrew-core/blob/master/Formula/awscli.rb # finds https://github.com/aws/aws-cli # locates https://github.com/aws/aws-cli/blob/develop/CHANGELOG.rst
I’ll also want to expand this to cover packages whose names do not match their cli commands, eg. so utilities can be looked up directly:
$ changes -sbrew rg # determines rg -> ripgrep # parses https://github.com/Homebrew/homebrew-core/blob/master/Formula/ripgrep.rb # finds https://github.com/BurntSushi/ripgrep # locates https://github.com/BurntSushi/ripgrep/blob/master/CHANGELOG.md
Once that has some coverage, I’ll expand the “Changelog locator” chunk:
$ changes -spy coverage # parses https://pypi.org/project/coverage/ # finds https://bitbucket.org/ned/coveragepy # links to https://github.com/nedbat/coveragepy # locates https://github.com/nedbat/coveragepy/blob/master/CHANGES.rst $ changes -sgem mailchimp-api # parses https://rubygems.org/gems/mailchimp-api # finds https://bitbucket.org/mailchimp/mailchimp-api-ruby/ # locates https://bitbucket.org/mailchimp/mailchimp-api-ruby/compare/2.0.6..2.0.5
By now, it will probably be obvious that some projects will simply refuse to be easy to work with, so I’ll probably try to come up with a decently straightforward way to drop-in overrides. Hopefully, I’ll have been keeping the various pieces separate enough to avoid letting this step turn into too much of a headache.
At that point, I can work on changelog parsers – I realize there are infinite possible options here, but a bit of best-effort parsing of .md, .rst, NEWS, GitHub releases, and commit logs should be a decent 80% – especially if I focus on various “standards” such as conventional changelogs.
This will allow me to add version range flags with a reasonable chance of working:
$ changes -srust clap --from v2.31.2 # parses https://github.com/clap-rs/clap/blob/master/CHANGELOG.md
And, finally, a more general search function can get played with until I end up with my rough end goal:
$ changes hub --from 2.4.0 --to 2.5.1 # parses https://github.com/github/hub/releases
- bump setup.py:version
- clog -C CHANGELOG.md -F –setversion=x.y.z
- git add setup.py CHANGELOG.md
- git commit -m ‘chore(release): bump version’
- git tag -a x.y.z –cleanup=whitespace
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