Add release checklist for maintainers

doc/release-checklist.md

@@ -0,0 +1,63 @@
+# Release checklist
+
+This file can be used as-is, or copied into the GitHub PR description which includes
+necessary changes for the upcoming release.
+
+## Version bump
+
+- [ ] Create a new branch for the required changes for this release.
+- [ ] Update version in `Cargo.toml`. Run `cargo build` to update `Cargo.lock`.
+      Make sure to `git add` the `Cargo.lock` changes as well.
+- [ ] Find the current min. supported Rust version by running
+      `grep '^\s*MIN_SUPPORTED_RUST_VERSION' .github/workflows/CICD.yml`.
+- [ ] Update the `fd` version and the min. supported Rust version in `README.md`.
+- [ ] Update `CHANGELOG.md`. Change the heading of the *"Upcoming release"* section
+      to the version of this release.
+
+## Pre-release checks and updates
+
+- [ ] Install the latest version (`cargo install --locked -f --path .`) and make
+      sure that it is available on the `PATH` (`fd --version` should show the
+      new version).
+- [ ] Review `-h`, `--help`, and the `man` page.
+- [ ] Run `fd -h` and copy the output to the *"Command-line options"* section in
+      the README
+- [ ] Push all changes and wait for CI to succeed (before continuing with the
+      next section).
+- [ ] Optional: manually test the new features and command-line options described
+      in the `CHANGELOG.md`.
+- [ ] Run `cargo publish --dry-run` to make sure that it will succeed later
+      (after creating the GitHub release).
+
+## Release
+
+- [ ] Create a tag and push it: `git tag vX.Y.Z; git push origin tag vX.Y.Z`.
+      This will trigger the deployment via GitHub Actions.
+      REMINDER: If your `origin` is a fork, don't forget to push to e.g. `upstream`
+      instead.
+- [ ] Go to https://github.com/sharkdp/fd/releases/new to create the new
+      release. Select the new tag and also use it as the release title. For the
+      release notes, copy the corresponding section from `CHANGELOG.md` and
+      possibly add additional remarks for package maintainers.
+      Publish the release.
+- [ ] Check if the binary deployment works (archives and Debian packages should
+      appear when the CI run *for the Git tag* has finished).
+- [ ] Publish to crates.io by running `cargo publish` in a *clean* repository.
+      One way to do this is to clone a fresh copy.
+
+## Post-release
+
+- [ ] Prepare a new *"Upcoming release"* section at the top of `CHANGELOG.md`.
+      Put this at the top:
+      ```
+      # Upcoming release
+
+      ## Features
+
+      ## Bugfixes
+
+      ## Changes
+
+      ## Other
+
+      ```