feat: add nightly releases via GoReleaser and Homebrew tap

[gtrrz-victor]

Summary

• Add nightly cron workflow (.github/workflows/nightly.yml) that creates daily prerelease tags when new commits exist
• Nightly tags bump the patch version: stable v0.5.4 → nightly v0.5.5-nightly.20260406.<commit>
• Add entire@nightly Homebrew cask with conditional skip_upload using GoReleaser's .Prerelease template variable
• Add conflicts between entire and entire@nightly casks to prevent both being installed
• Add release.prerelease: auto so nightly GitHub releases are marked as prereleases
• Update release workflow to generate release notes from git log for prerelease tags (stable releases still require CHANGELOG entry)
• Skip Discord announcements for nightly releases
• Add independent version check channels: nightly users get notified about newer nightlies, stable users about newer stable releases

How it works

• Nightly workflow creates a tag → existing release workflow picks it up automatically
• .Prerelease routes uploads: stable tags → entire cask, nightly tags → entire@nightly cask
• Casks conflict with each other — users must uninstall one before installing the other
• Version check uses /releases/latest for stable, /releases (filtered) for nightly

brew install --cask entireio/tap/entire          # stable
brew install --cask entireio/tap/entire@nightly   # nightly

Version scheme

Stable:  v0.5.4                              → entire cask
Nightly: v0.5.5-nightly.20260406.<commit>    → entire@nightly cask

Note

The scripts/install.sh curl-based installer does not support the nightly channel.

Test plan

• Verify goreleaser config parses: goreleaser release --snapshot --clean
• Test nightly tag creation with manual workflow_dispatch
• Verify stable release still works (skip_upload doesn't affect non-prerelease tags)
• Confirm nightly cask appears in entireio/homebrew-tap after first nightly run
• Run version check tests: go test ./cmd/entire/cli/versioncheck/ -v

🤖 Generated with Claude Code

[Copilot]

Pull request overview

Adds automated nightly prerelease publishing that reuses the existing release pipeline, while routing package uploads/announcements differently for prereleases vs stable releases.

Changes:

• Add a scheduled + manual “nightly” workflow that creates a daily vX.Y.Z-nightly.YYYYMMDD tag when new commits exist.
• Update GoReleaser config to publish nightly builds to separate Homebrew/Scoop artifacts (entire-nightly) and to skip Discord announcements for prereleases.
• Update the release workflow to generate prerelease notes from git log while still requiring CHANGELOG entries for stable releases.

Reviewed changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated 2 comments.

File	Description
.goreleaser.yaml	Adds nightly Homebrew cask + Scoop manifest and conditional upload/announce logic based on .Prerelease.
.github/workflows/release.yml	Generates release notes differently for prerelease vs stable tags and keeps stable CHANGELOG enforcement.
.github/workflows/nightly.yml	New scheduled workflow that creates/pushes a nightly prerelease tag when appropriate.

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[gtrrz-victor]

Note: The scripts/install.sh curl-based installer does not support the nightly channel. Nightly builds are only distributed via Homebrew cask (brew install --cask entireio/tap/entire@nightly). If we want install.sh support for nightlies in the future, it would need to be updated to resolve nightly tags.

[gtrrz-victor]

Fix: nightly tag push won't trigger release workflow

• The default GITHUB_TOKEN cannot trigger other workflows (GitHub anti-recursion policy)
• Added GitHub App token generation (actions/create-github-app-token) to nightly.yml
• Passed the token to actions/checkout so git push uses the App identity
• Tag push from the App token will now correctly trigger release.yml

Note: the App needs contents: write on the cli repo — verify this is configured.

[gtrrz-victor]

Refactor: split release notes into separate steps

• Stable and nightly release notes are now generated in independent GitHub Actions steps with if: conditionals
• Nightly changelog only shows commits since the last nightly tag (falls back to latest stable if first nightly)
• Fixed git describe to use HEAD instead of HEAD^ per review feedback

[gtrrz-victor]

Added mise run release vX.X.X task

• Creates stable tag + nightly tag on the same commit using scripts/create-nightly-tag.sh
• Skips nightly gracefully if one already exists for the commit
• Validates version format and clean working tree before tagging

[gtrrz-victor]

Addressed PR review findings (6 fixes)

Critical:

• Stable tag now pushed before nightly in mise-tasks/release to avoid race
• Removed 2>/dev/null stderr suppression on nightly script call
• Simplified error handling in nightly.yml ($? instead of || EXIT_CODE=$?)

Important:

• Removed unnecessary fetchErr intermediate in versioncheck.go
• Fixed tag glob to v*-nightly.*.${SHORT_COMMIT} (anchored on dot)
• Changed --sort=-v:refname to --sort=-creatordate in release.yml
• Added t.Parallel() to TestIsNightly (fetch tests can't be parallel — they mutate global vars)