From 44f299096a3a1d745a91e21f0d2f6eb916f2adb8 Mon Sep 17 00:00:00 2001 From: "Jonathan D.A. Jewell" <6759885+hyperpolymath@users.noreply.github.com> Date: Thu, 1 Oct 2026 06:56:34 +0100 Subject: [PATCH] docs: add Signed commits section to CONTRIBUTING Owner ruling D218. See docs/SIGNING-POLICY.adoc in hyperpolymath/standards. Co-Authored-By: Claude Opus 5.5 Claude-Session: https://claude.ai/code/session_01WRvDivYwLSeVCJUrfjic3f --- .github/CONTRIBUTING.md | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/.github/CONTRIBUTING.md b/.github/CONTRIBUTING.md index cecaddf..e927214 100644 --- a/.github/CONTRIBUTING.md +++ b/.github/CONTRIBUTING.md @@ -86,3 +86,20 @@ Conduct](CODE_OF_CONDUCT.md). By contributing, you agree that your contributions will be licensed under the same licenses as the project: code under MPL-2.0 and documentation under CC-BY-SA-4.0 (see LICENSE and LICENSES/). + +## Signed commits + +Every commit that reaches the default branch must be signed; a ruleset refuses +unsigned pushes. Estate policy: +[SIGNING-POLICY](https://github.com/hyperpolymath/standards/blob/main/docs/SIGNING-POLICY.adoc). + +- **People and interactive agents** sign with an SSH key registered on GitHub + as a *signing* key (`gpg.format=ssh`, `user.signingkey=.pub`, + `commit.gpgsign=true`). The committer email must be verified on that account. +- **Apps, bots and workflows** never `git push` local commits. They write + through the API (`createCommitOnBranch` or the estate `signed-push` action) + so that GitHub signs each commit. +- Merge PRs with **squash**. The ruleset checks every commit on the PR branch, + not just the result, so one unsigned commit blocks the merge. Re-create such a + branch with signed commits (`git cherry-pick -S`) and open a new PR. + Rebase-merge replays commits unsigned and is disabled.