omnigraph/scripts/apply-branch-protection.sh
Ragnor Comerford cc2412dc65
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Rename repo terminology to graph (#118)
2026-05-24 16:46:00 +01:00

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#!/usr/bin/env bash
# Apply branch protection rules to the main branch.
#
# Requires:
# - `gh` CLI authenticated.
# - Repository-admin or org-admin permissions on ModernRelay/omnigraph.
#
# This script is idempotent: re-running applies whatever is currently
# declared in .github/branch-protection.json. The JSON file is the
# source of truth; this script is the apply mechanism.
#
# Usage:
# ./scripts/apply-branch-protection.sh # apply to main
# REPO=ModernRelay/omnigraph BRANCH=main ./scripts/... # explicit
# DRY_RUN=1 ./scripts/apply-branch-protection.sh # show what would apply
set -euo pipefail
REPO="${REPO:-ModernRelay/omnigraph}"
BRANCH="${BRANCH:-main}"
HERE="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
POLICY_FILE="${POLICY_FILE:-$HERE/../.github/branch-protection.json}"
if [ ! -f "$POLICY_FILE" ]; then
echo "error: policy file not found: $POLICY_FILE" >&2
exit 1
fi
# Strip the _comment field — the GitHub API rejects unknown keys.
PAYLOAD="$(mktemp)"
trap 'rm -f "$PAYLOAD"' EXIT
jq 'del(._comment)' "$POLICY_FILE" > "$PAYLOAD"
if [ "${DRY_RUN:-0}" = "1" ]; then
echo "DRY RUN — would apply to $REPO/$BRANCH:"
echo
cat "$PAYLOAD"
exit 0
fi
echo "Applying branch protection to $REPO/$BRANCH from $POLICY_FILE"
gh api -X PUT "repos/$REPO/branches/$BRANCH/protection" \
--input "$PAYLOAD" \
-H "Accept: application/vnd.github+json" \
> /dev/null
echo "OK"
# Verify by reading back.
echo
echo "Current policy on $REPO/$BRANCH:"
gh api "repos/$REPO/branches/$BRANCH/protection" \
--jq '{
required_status_checks: .required_status_checks.contexts,
strict_status_checks: .required_status_checks.strict,
required_approvals: .required_pull_request_reviews.required_approving_review_count,
require_code_owner_reviews: .required_pull_request_reviews.require_code_owner_reviews,
enforce_admins: .enforce_admins.enabled,
linear_history: .required_linear_history.enabled,
force_pushes_allowed: .allow_force_pushes.enabled,
deletions_allowed: .allow_deletions.enabled,
conversation_resolution_required: .required_conversation_resolution.enabled
}'