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pj
a08d8b262c
The manual pipeline promotes the commit that release was cut from, so it needs the tag as well as the next version. Claude-Session: https://claude.ai/code/session_01ShuAy8q8ZfPi8KHxwc8JpQ
70 lines
2.4 KiB
Bash
Executable File
70 lines
2.4 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Resolves the version a release is cutting. The tags this repo carries are the
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# record of what has been released, so the version is counted off them and
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# nothing in the tree holds it: no commit has to land on master to advance a
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# version, and a release cannot disagree with a package.json someone edited.
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#
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# BUMP is major, minor or patch. VERSION overrides it with a version named
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# outright. Writes `version`, `tag` and `released_tag` to $GITHUB_OUTPUT when it
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# is set; `released_tag` is the release this one follows, and is empty in a
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# repository that has never cut one.
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set -euo pipefail
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bump="${BUMP:-patch}"
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named="${VERSION:-}"
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semver='^[0-9]+\.[0-9]+\.[0-9]+(-[0-9A-Za-z]+(\.[0-9A-Za-z]+)*)?$'
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# Only a stable tag counts as a release. v0.0.1-rc4 is a candidate for 0.0.1, so
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# counting a patch off it would skip the very version it was a candidate for.
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# `sort -V` puts 0.10.0 above 0.9.0, which a lexical sort does not, and
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# `sed -n p` reports no matches as an empty line rather than as the failure
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# `grep` would return under pipefail.
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released="$(git tag -l 'v*' \
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| sed -n 's/^v\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\)$/\1/p' \
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| sort -V \
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| tail -1)"
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released_tag=""
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[ -n "$released" ] && released_tag="v$released"
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if [ -n "$named" ]; then
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if [[ ! "$named" =~ $semver ]]; then
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echo "next-version: '$named' is not a version this releases" >&2
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echo "next-version: a version is MAJOR.MINOR.PATCH with an optional -prerelease, e.g. 0.1.0 or 1.0.0-rc1" >&2
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exit 1
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fi
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version="$named"
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from="named outright"
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else
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base="${released:-0.0.0}"
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from="a $bump off ${base}"
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IFS=. read -r major minor patch <<<"$base"
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case "$bump" in
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major) version="$((major + 1)).0.0" ;;
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minor) version="$major.$((minor + 1)).0" ;;
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patch) version="$major.$minor.$((patch + 1))" ;;
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*)
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echo "next-version: '$bump' is not a bump; use major, minor or patch" >&2
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exit 1
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;;
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esac
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fi
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tag="v$version"
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# A tag that is already there means this version was already cut. Moving it
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# would relabel a release that people have installed.
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if git rev-parse -q --verify "refs/tags/$tag" >/dev/null; then
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echo "next-version: $tag is already tagged, so there is nothing to release at $version" >&2
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exit 1
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fi
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echo "next-version: releasing $version, $from"
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if [ -n "${GITHUB_OUTPUT:-}" ]; then
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{
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echo "version=$version"
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echo "tag=$tag"
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echo "released_tag=$released_tag"
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} >> "$GITHUB_OUTPUT"
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fi
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