From 4cdf40c7f3d3330b5e1b48c1cba519ba941296c9 Mon Sep 17 00:00:00 2001 From: "Jonathan D.A. Jewell" <6759885+hyperpolymath@users.noreply.github.com> Date: Thu, 1 Oct 2026 07:58:28 +0100 Subject: [PATCH 1/2] 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 bb7aa60..48450a5 100644 --- a/.github/CONTRIBUTING.md +++ b/.github/CONTRIBUTING.md @@ -69,3 +69,20 @@ Conduct](CODE_OF_CONDUCT.md). By contributing, you agree that your contributions will be licensed under the same license as the project (see LICENSE). + +## 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. From ed0f31b354172fbc72e94aedc067357a1740ed9a Mon Sep 17 00:00:00 2001 From: "Jonathan D.A. Jewell" <6759885+hyperpolymath@users.noreply.github.com> Date: Thu, 1 Oct 2026 21:16:04 +0100 Subject: [PATCH 2/2] Update .github/CONTRIBUTING.md Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com> Signed-off-by: Jonathan D.A. Jewell <6759885+hyperpolymath@users.noreply.github.com> --- .github/CONTRIBUTING.md | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/.github/CONTRIBUTING.md b/.github/CONTRIBUTING.md index 48450a5..7ac3a3a 100644 --- a/.github/CONTRIBUTING.md +++ b/.github/CONTRIBUTING.md @@ -79,7 +79,8 @@ unsigned pushes. Estate policy: - **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 +- **Apps, bots and workflows** never use `git push` to update GitHub branches + with locally created commits. They write those commits 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,