feat(release): auto-promote [Unreleased] into [<version>] on release workflow run (#436)

Fixes the silent-sparse-release-notes failure mode that surfaced on
v0.9.5: the Release workflow used to do a literal
`extract-release-notes.mjs <version>` lookup with an `[Unreleased]`
fallback. The fallback only triggered when the `[<version>]` block
DIDN'T exist at all — and in practice maintainers sometimes had a
sparse `[<version>]` block pre-populated (e.g. one early fix
documented before the rest of the work landed). The workflow then
extracted that sparse block, ignoring the much-larger `[Unreleased]`
section above it. Result: the published v0.9.5 release notes were
missing the shared MCP daemon, the per-file staleness banner, the
Objective-C indexing, AND the Mixed iOS/RN/Expo bridging.

The fix is a new `scripts/prepare-release.mjs` step that runs at the
start of the workflow:

  Case A — `[<version>]` does not yet exist:
    Rename `[Unreleased]` → `[<version>] - <today>`. Add a fresh
    empty `[Unreleased]` above. The common path.

  Case B — `[<version>]` exists AND `[Unreleased]` has content:
    Merge `[Unreleased]`'s sub-sections (### Added / ### Fixed /
    ### Changed / ### Removed / ### Deprecated / ### Security) into
    the corresponding sub-sections of `[<version>]`. Unmatched
    sub-sections are appended. Then empty `[Unreleased]`.

  Case C — `[Unreleased]` is empty:
    No-op. Re-runs of the workflow are safe.

After the script runs, the workflow auto-commits + pushes the
CHANGELOG.md change back to main (with a `[skip ci]` tag in the
commit body) so future runs and human eyes both see the same
on-disk truth.

9 unit tests (`__tests__/prepare-release.test.ts`) cover all three
cases, idempotency, version-source precedence, and an
extract-release-notes.mjs integration check.

Workflow comment header rewritten to reflect the new flow.

Trigger reminder going forward: bump package.json. CHANGELOG entries
can live under `[Unreleased]` — the workflow takes care of moving
them.

937/939 existing tests pass (2 pre-existing skips); +9 new tests.

Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
This commit is contained in:
Colby Mchenry
2026-05-26 03:21:06 -05:00
committed by GitHub
co-authored by Claude Opus 4.7
parent 5a4fcd56b7
commit b77af782c5
3 changed files with 476 additions and 10 deletions
+43 -10
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@@ -2,25 +2,33 @@ name: Release
# Manually triggered ("Run workflow"). On trigger it:
# 1. reads the version from package.json,
# 2. builds a self-contained bundle for every platform (one runner — there's no
# 2. promotes `## [Unreleased]` content into `## [<version>]` in
# CHANGELOG.md (and commits + pushes that change back to main), so
# the published release notes are never sparse just because the
# maintainer didn't pre-stage the [<version>] block by hand,
# 3. builds a self-contained bundle for every platform (one runner — there's no
# native compilation, so cross-packaging is fine),
# 3. creates the GitHub Release (tag v<version>) with all archives, using the
# 4. creates the GitHub Release (tag v<version>) with all archives, using the
# release notes from CHANGELOG.md,
# 4. publishes the npm thin-installer (shim + per-platform packages).
# 5. publishes the npm thin-installer (shim + per-platform packages).
#
# Before triggering: bump package.json and make sure CHANGELOG.md has the matching
# section (## [<version>], or ## [Unreleased]). Set the NPM_TOKEN repo secret.
# Before triggering: bump package.json. CHANGELOG.md entries can live under
# `## [Unreleased]` — step 2 takes care of moving them. Set the NPM_TOKEN secret.
on:
workflow_dispatch: {}
permissions:
contents: write # create the GitHub Release + tag
contents: write # create the GitHub Release + tag, push the CHANGELOG promote
jobs:
release:
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v6
with:
# Default checkout is detached at a SHA; we need an actual branch
# so the CHANGELOG-promote commit knows where to push.
ref: ${{ github.ref }}
- uses: actions/setup-node@v6
with:
node-version: 22
@@ -29,6 +37,32 @@ jobs:
- name: Ensure zip/unzip
run: sudo apt-get update -qq && sudo apt-get install -y -qq zip unzip
- name: Resolve version
id: ver
run: echo "version=$(node -p "require('./package.json').version")" >> "$GITHUB_OUTPUT"
- name: Promote [Unreleased] → [<version>] in CHANGELOG.md
# Idempotent: a no-op if [Unreleased] is empty OR if the previous
# run already moved everything. Auto-commit + push the change back
# so the version block on main is the source of truth going
# forward (and so subsequent extract-release-notes.mjs calls
# surface the full content even if this run is re-triggered).
run: |
set -euo pipefail
V="${{ steps.ver.outputs.version }}"
before=$(git rev-parse HEAD)
node scripts/prepare-release.mjs "$V"
if git diff --quiet -- CHANGELOG.md; then
echo "CHANGELOG.md unchanged — nothing to commit."
else
git config user.name "github-actions[bot]"
git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
git add CHANGELOG.md
git commit -m "docs(changelog): promote [Unreleased] into [${V}]" -m "[skip ci] Auto-generated by Release workflow."
# Push to the branch the workflow was triggered on (main).
git push origin "HEAD:${GITHUB_REF#refs/heads/}"
fi
- name: Build all platform bundles
run: |
for t in darwin-arm64 darwin-x64 linux-x64 linux-arm64 win32-x64 win32-arm64; do
@@ -43,11 +77,10 @@ jobs:
( cd release && sha256sum codegraph-* > SHA256SUMS )
cat release/SHA256SUMS
- name: Resolve version
id: ver
run: echo "version=$(node -p "require('./package.json').version")" >> "$GITHUB_OUTPUT"
- name: Release notes from CHANGELOG.md
# The [<version>] block was guaranteed-populated by the
# "Promote" step above, so the [Unreleased] fallback should
# never be needed in practice. Kept for defense-in-depth.
run: |
V="${{ steps.ver.outputs.version }}"
node scripts/extract-release-notes.mjs "$V" > notes.md 2>/dev/null \
+187
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@@ -0,0 +1,187 @@
/**
* Unit tests for `scripts/prepare-release.mjs`.
*
* The script reads CHANGELOG.md and package.json from `process.cwd()`,
* so the tests run it via `node` in a temp directory after staging
* those files. Real script, real fs — keeps the test honest about what
* the workflow will actually do.
*/
import { describe, it, expect, beforeEach, afterEach } from 'vitest';
import { execFileSync } from 'node:child_process';
import * as fs from 'node:fs';
import * as path from 'node:path';
import * as os from 'node:os';
const SCRIPT = path.resolve(__dirname, '..', 'scripts', 'prepare-release.mjs');
function run(cwd: string, ...args: string[]) {
const out = execFileSync('node', [SCRIPT, ...args], { cwd, encoding: 'utf8' });
return out.trim();
}
function setup(changelog: string, version = '1.2.3') {
const dir = fs.mkdtempSync(path.join(os.tmpdir(), 'prepare-release-'));
fs.writeFileSync(path.join(dir, 'CHANGELOG.md'), changelog);
fs.writeFileSync(path.join(dir, 'package.json'), JSON.stringify({ name: 'x', version }));
return dir;
}
const HEADER = `# Changelog
Some intro.
`;
describe('prepare-release.mjs', () => {
let dir: string;
afterEach(() => {
if (dir && fs.existsSync(dir)) fs.rmSync(dir, { recursive: true, force: true });
});
describe('Case A: [version] block does not yet exist', () => {
it('renames [Unreleased] to [version] - <today> and adds a fresh empty [Unreleased]', () => {
dir = setup(
HEADER +
`## [Unreleased]\n\n### Added\n- New feature foo\n- New feature bar\n\n### Fixed\n- Fixed thing\n\n## [1.2.2] - 2026-01-01\n\n### Added\n- Old entry\n`,
);
const out = run(dir);
expect(out).toMatch(/renamed \[Unreleased\] to \[1\.2\.3\]/);
const result = fs.readFileSync(path.join(dir, 'CHANGELOG.md'), 'utf8');
// [Unreleased] is now empty and at the top.
expect(result).toMatch(/## \[Unreleased\]\n\n\n## \[1\.2\.3\]/);
// [1.2.3] gets a date.
expect(result).toMatch(/## \[1\.2\.3\] - \d{4}-\d{2}-\d{2}/);
// Promoted content lives under [1.2.3].
const v123Section = result.split('## [1.2.3]')[1].split('## [1.2.2]')[0];
expect(v123Section).toContain('### Added');
expect(v123Section).toContain('- New feature foo');
expect(v123Section).toContain('- New feature bar');
expect(v123Section).toContain('### Fixed');
expect(v123Section).toContain('- Fixed thing');
// [1.2.2] is intact.
expect(result).toContain('## [1.2.2] - 2026-01-01');
expect(result).toContain('- Old entry');
});
});
describe('Case B: [version] already exists AND [Unreleased] has content', () => {
it('merges Unreleased sub-sections into the matching [version] sub-sections', () => {
// The v0.9.5 scenario verbatim: sparse [0.9.5] with two Fixed
// entries, full [Unreleased] above it with Added + more Fixed.
dir = setup(
HEADER +
`## [Unreleased]\n\n### Added\n- Big feature 1\n- Big feature 2\n\n### Fixed\n- Watcher fix\n- Worktree fix\n\n## [1.2.3] - 2026-02-02\n\n### Fixed\n- Old fix A\n- Old fix B\n\n## [1.2.2] - 2026-01-01\n`,
);
const out = run(dir);
expect(out).toMatch(/merged \d+ Unreleased entries/);
const result = fs.readFileSync(path.join(dir, 'CHANGELOG.md'), 'utf8');
// [Unreleased] is emptied.
const unrelSection = result.split('## [Unreleased]')[1].split('## [1.2.3]')[0];
expect(unrelSection.trim()).toBe('');
// [1.2.3] now has BOTH the original Fixed entries AND the
// Unreleased Fixed entries, plus the new Added sub-section.
const v123Section = result.split('## [1.2.3]')[1].split('## [1.2.2]')[0];
expect(v123Section).toContain('### Added');
expect(v123Section).toContain('- Big feature 1');
expect(v123Section).toContain('- Big feature 2');
expect(v123Section).toContain('### Fixed');
expect(v123Section).toContain('- Old fix A');
expect(v123Section).toContain('- Old fix B');
expect(v123Section).toContain('- Watcher fix');
expect(v123Section).toContain('- Worktree fix');
// Date on [1.2.3] is preserved (we don't re-stamp it).
expect(result).toContain('## [1.2.3] - 2026-02-02');
});
it('appends sub-sections that exist only in [Unreleased] to the [version] block', () => {
dir = setup(
HEADER +
`## [Unreleased]\n\n### Security\n- CVE patch\n\n## [1.2.3] - 2026-02-02\n\n### Fixed\n- Old fix\n`,
);
run(dir);
const result = fs.readFileSync(path.join(dir, 'CHANGELOG.md'), 'utf8');
const v123 = result.split('## [1.2.3]')[1];
expect(v123).toContain('### Fixed');
expect(v123).toContain('- Old fix');
expect(v123).toContain('### Security');
expect(v123).toContain('- CVE patch');
});
});
describe('Case C: [Unreleased] has no entries', () => {
it('is a no-op when [Unreleased] is empty', () => {
dir = setup(HEADER + `## [Unreleased]\n\n## [1.2.3] - 2026-02-02\n\n### Fixed\n- thing\n`);
const before = fs.readFileSync(path.join(dir, 'CHANGELOG.md'), 'utf8');
const out = run(dir);
expect(out).toMatch(/nothing to do/);
const after = fs.readFileSync(path.join(dir, 'CHANGELOG.md'), 'utf8');
expect(after).toBe(before);
});
it('is a no-op when [Unreleased] has only sub-section headings with no bullets', () => {
dir = setup(
HEADER + `## [Unreleased]\n\n### Added\n\n### Fixed\n\n## [1.2.3] - 2026-02-02\n`,
);
const before = fs.readFileSync(path.join(dir, 'CHANGELOG.md'), 'utf8');
const out = run(dir);
expect(out).toMatch(/nothing to do/);
const after = fs.readFileSync(path.join(dir, 'CHANGELOG.md'), 'utf8');
expect(after).toBe(before);
});
});
describe('idempotency', () => {
it('running twice produces the same output as running once', () => {
dir = setup(
HEADER +
`## [Unreleased]\n\n### Added\n- Thing A\n\n## [1.2.2] - 2026-01-01\n\n### Added\n- Old\n`,
);
run(dir); // first run promotes
const afterFirst = fs.readFileSync(path.join(dir, 'CHANGELOG.md'), 'utf8');
const out2 = run(dir); // second run should be a no-op
const afterSecond = fs.readFileSync(path.join(dir, 'CHANGELOG.md'), 'utf8');
expect(out2).toMatch(/nothing to do/);
expect(afterSecond).toBe(afterFirst);
});
});
describe('version source', () => {
it('reads the target version from package.json by default', () => {
dir = setup(HEADER + `## [Unreleased]\n\n### Added\n- x\n`, '9.9.9');
run(dir);
const result = fs.readFileSync(path.join(dir, 'CHANGELOG.md'), 'utf8');
expect(result).toContain('## [9.9.9]');
});
it('accepts an explicit version argument that overrides package.json', () => {
dir = setup(HEADER + `## [Unreleased]\n\n### Added\n- x\n`, '9.9.9');
run(dir, '5.5.5');
const result = fs.readFileSync(path.join(dir, 'CHANGELOG.md'), 'utf8');
expect(result).toContain('## [5.5.5]');
expect(result).not.toContain('## [9.9.9]');
});
});
describe('extractor integration', () => {
it('the resulting [version] block is what extract-release-notes.mjs would surface', () => {
// Run prepare, then extract — confirm the output contains all the
// promoted entries.
dir = setup(
HEADER +
`## [Unreleased]\n\n### Added\n- Feature A\n- Feature B\n\n### Fixed\n- Bug fix\n\n## [1.2.2] - 2026-01-01\n`,
);
run(dir);
const extractor = path.resolve(__dirname, '..', 'scripts', 'extract-release-notes.mjs');
const notes = execFileSync('node', [extractor, '1.2.3'], { cwd: dir, encoding: 'utf8' });
expect(notes).toContain('### Added');
expect(notes).toContain('Feature A');
expect(notes).toContain('Feature B');
expect(notes).toContain('### Fixed');
expect(notes).toContain('Bug fix');
});
});
});
+246
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@@ -0,0 +1,246 @@
#!/usr/bin/env node
/**
* Promote `## [Unreleased]` content into `## [<version>]` in CHANGELOG.md
* so the release.yml workflow's `extract-release-notes.mjs <version>` call
* picks up everything that landed since the last release.
*
* **Why this exists:** the release workflow used to do a literal
* `extract-release-notes.mjs <version>` lookup with an `[Unreleased]`
* fallback. The fallback only triggers if the `[<version>]` block
* doesn't exist at all — and in practice maintainers sometimes had a
* sparse `[<version>]` block pre-populated (e.g. one early fix
* documented before the rest of the work landed). The workflow then
* extracted that sparse block, ignoring the much larger `[Unreleased]`
* section above it — so the published release notes were missing most
* of what shipped. See v0.9.5 for the canonical post-mortem.
*
* **What it does**, idempotently:
*
* Case A — `[<version>]` does not exist yet:
* Rename the `[Unreleased]` header to `[<version>] - <YYYY-MM-DD>`
* and add a fresh empty `## [Unreleased]` block above it. This is
* the common case.
*
* Case B — `[<version>]` exists AND `[Unreleased]` has content:
* Merge `[Unreleased]`'s sub-sections (### Added / ### Fixed /
* ### Changed / ### Removed / ### Deprecated / ### Security) into
* the corresponding sub-sections of `[<version>]`. Unmatched
* sub-sections are appended to `[<version>]`. The `[Unreleased]`
* block is then emptied.
*
* Case C — `[Unreleased]` has no content:
* No-op. Exit 0. Re-runs of the workflow are safe.
*
* **Where the date comes from:** for Case A, `<YYYY-MM-DD>` is the
* UTC date at run time. Matches the existing CHANGELOG convention.
*
* **Usage:**
*
* node scripts/prepare-release.mjs # reads version from package.json
* node scripts/prepare-release.mjs 1.2.3 # explicit version
*
* **Output:**
*
* Writes CHANGELOG.md in place. Prints a summary line to stdout
* like `prepare-release: 0.9.5 — promoted 6 Unreleased entries`.
* Exits non-zero on parse failures.
*/
import { readFileSync, writeFileSync } from 'node:fs';
import { resolve } from 'node:path';
const CHANGELOG_PATH = resolve(process.cwd(), 'CHANGELOG.md');
function readPackageVersion() {
const pkg = JSON.parse(readFileSync(resolve(process.cwd(), 'package.json'), 'utf8'));
if (!pkg.version) throw new Error('package.json has no "version" field');
return pkg.version;
}
function todayUtcIsoDate() {
// YYYY-MM-DD in UTC. Matches the CHANGELOG's existing convention
// (the existing dated entries don't disclose a timezone, but UTC is
// stable across runners and is what the workflow's runner produces
// by default anyway).
return new Date().toISOString().slice(0, 10);
}
/**
* Split the CHANGELOG into a header preface + an ordered list of
* version blocks `{ header, body[] }`, preserving line content
* verbatim so we can re-join without surprises.
*/
function parseChangelog(text) {
const lines = text.split('\n');
const versionHeaderRe = /^## \[([^\]]+)\](?:\s+-\s+(.+))?\s*$/;
const preface = [];
const blocks = []; // { header: string, name: string, body: string[] }
let cur = null;
for (const line of lines) {
const m = line.match(versionHeaderRe);
if (m) {
if (cur) blocks.push(cur);
cur = { header: line, name: m[1], date: m[2] ?? null, body: [] };
} else if (cur) {
cur.body.push(line);
} else {
preface.push(line);
}
}
if (cur) blocks.push(cur);
return { preface, blocks };
}
function joinChangelog({ preface, blocks }) {
const parts = [preface.join('\n')];
for (const b of blocks) {
// Reconstruct: header + body. The block body INCLUDES the blank
// line after the header (it was captured verbatim).
parts.push([b.header, ...b.body].join('\n'));
}
return parts.join('\n');
}
/**
* Split a block body into ordered sub-sections keyed by their
* `### Heading`. Lines before the first `### Heading` go in
* `leading`. Preserves the original (line-array) body inside each
* sub-section so we can splice cleanly when merging.
*/
function splitSubsections(body) {
const subsectionRe = /^### (\w+)\s*$/;
const leading = [];
const subs = []; // { heading: 'Added' | 'Fixed' | …, headerLine: string, body: string[] }
let cur = null;
for (const line of body) {
const m = line.match(subsectionRe);
if (m) {
if (cur) subs.push(cur);
cur = { heading: m[1], headerLine: line, body: [] };
} else if (cur) {
cur.body.push(line);
} else {
leading.push(line);
}
}
if (cur) subs.push(cur);
return { leading, subs };
}
function rebuildBody({ leading, subs }) {
const parts = [];
if (leading.length) parts.push(leading.join('\n'));
for (const s of subs) {
parts.push([s.headerLine, ...s.body].join('\n'));
}
return parts.join('\n').split('\n');
}
/**
* Return true when the block has any meaningful entries (a bullet line
* starting with `-`, `*`, or a digit) — vs. being empty / just
* whitespace / just sub-section headers with nothing under them.
*/
function blockHasContent(body) {
for (const line of body) {
if (/^\s*([-*]|\d+\.)\s+/.test(line)) return true;
}
return false;
}
/**
* Trim trailing blank lines from an array of lines, then return.
* Keeps the output tidy when merging.
*/
function trimTrailingBlank(arr) {
let i = arr.length;
while (i > 0 && /^\s*$/.test(arr[i - 1])) i--;
return arr.slice(0, i);
}
function main() {
const versionArg = process.argv[2];
const version = versionArg || readPackageVersion();
const text = readFileSync(CHANGELOG_PATH, 'utf8');
const parsed = parseChangelog(text);
const unrelIdx = parsed.blocks.findIndex((b) => b.name === 'Unreleased');
const verIdx = parsed.blocks.findIndex((b) => b.name === version);
if (unrelIdx === -1) {
console.log(`prepare-release: no [Unreleased] block — nothing to do`);
return;
}
const unrel = parsed.blocks[unrelIdx];
if (!blockHasContent(unrel.body)) {
console.log(`prepare-release: [Unreleased] is empty — nothing to do`);
return;
}
if (verIdx === -1) {
// Case A — promote Unreleased → [version].
const today = todayUtcIsoDate();
const promoted = {
header: `## [${version}] - ${today}`,
name: version,
date: today,
body: trimTrailingBlank(unrel.body).concat(['']), // single trailing blank
};
const emptied = {
header: `## [Unreleased]`,
name: 'Unreleased',
date: null,
body: ['', ''], // two blank lines for the next round of entries
};
parsed.blocks.splice(unrelIdx, 1, emptied, promoted);
writeFileSync(CHANGELOG_PATH, joinChangelog(parsed));
console.log(`prepare-release: ${version} — renamed [Unreleased] to [${version}] - ${today}`);
return;
}
// Case B — merge Unreleased sub-sections into the existing
// [version] sub-sections. New sub-section headings encountered in
// Unreleased that don't exist in [version] get appended.
const ver = parsed.blocks[verIdx];
const unrelSubs = splitSubsections(unrel.body);
const verSubs = splitSubsections(ver.body);
let merged = 0;
for (const us of unrelSubs.subs) {
const target = verSubs.subs.find((s) => s.heading === us.heading);
const usBody = trimTrailingBlank(us.body);
if (usBody.length === 0) continue;
if (target) {
// Append Unreleased's entries to the end of the version's matching
// sub-section, keeping their original ordering. Insert a separating
// blank line if the existing sub-section doesn't already end in one.
const existing = trimTrailingBlank(target.body);
const sep = existing.length && !/^\s*$/.test(existing[existing.length - 1]) ? [''] : [];
target.body = existing.concat(sep, usBody, ['']);
} else {
// Append the whole sub-section to the end.
verSubs.subs.push({
heading: us.heading,
headerLine: us.headerLine,
body: usBody.concat(['']),
});
}
merged += usBody.filter((l) => /^\s*([-*]|\d+\.)\s+/.test(l)).length;
}
ver.body = rebuildBody(verSubs);
// Empty out Unreleased.
unrel.body = ['', ''];
writeFileSync(CHANGELOG_PATH, joinChangelog(parsed));
console.log(`prepare-release: ${version} — merged ${merged} Unreleased entries into existing [${version}] block`);
}
try {
main();
} catch (err) {
console.error(`prepare-release: ${err?.message ?? err}`);
process.exit(1);
}