fix(rm-03): make CI queue guard fail on asserted non-readiness (#1032)
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Co-authored-by: coder-mos1 <[email protected]>
This commit was merged in pull request #1032.
This commit is contained in:
2026-08-01 18:55:26 +00:00
committed by mos-dt-0
parent f4fd5967fc
commit 58b971aba3
28 changed files with 1074 additions and 219 deletions
+42 -58
View File
@@ -1,6 +1,6 @@
#!/bin/bash
# pr-merge.sh - Merge pull requests on Gitea or GitHub
# Usage: pr-merge.sh -n PR_NUMBER [-m squash] [-d] [--skip-queue-guard]
# Usage: pr-merge.sh -n PR_NUMBER [-m squash] [-d]
set -euo pipefail
@@ -12,8 +12,8 @@ source "$SCRIPT_DIR/detect-platform.sh"
PR_NUMBER=""
MERGE_METHOD="squash"
DELETE_BRANCH=false
SKIP_QUEUE_GUARD=false
DRY_RUN=false
EXPECT_HEAD=""
usage() {
cat <<EOF
@@ -25,15 +25,14 @@ Options:
-n, --number NUMBER PR number to merge (required)
-m, --method METHOD Merge method: squash only (default: squash)
-d, --delete-branch Delete the head branch after merge
--skip-queue-guard Skip CI queue guard wait before merge
--dry-run Run metadata/login preflight without merging
--expect-head SHA Refuse unless the PR head matches this full commit SHA
-h, --help Show this help message
Examples:
$(basename "$0") -n 42 # Merge PR #42
$(basename "$0") -n 42 -m squash # Squash merge
$(basename "$0") -n 42 -d # Squash merge and delete branch
$(basename "$0") -n 42 --skip-queue-guard # Skip queue guard wait
EOF
exit "${1:-1}"
}
@@ -53,15 +52,14 @@ while [[ $# -gt 0 ]]; do
DELETE_BRANCH=true
shift
;;
--skip-queue-guard)
SKIP_QUEUE_GUARD=true
shift
;;
--dry-run)
DRY_RUN=true
SKIP_QUEUE_GUARD=true
shift
;;
--expect-head)
EXPECT_HEAD="$2"
shift 2
;;
-h|--help)
usage 0
;;
@@ -86,18 +84,36 @@ if [[ "$MERGE_METHOD" != "squash" ]]; then
echo "Error: Mosaic policy enforces squash merge only. Received '$MERGE_METHOD'." >&2
exit 1
fi
if [[ -n "$EXPECT_HEAD" && ! "$EXPECT_HEAD" =~ ^[0-9a-fA-F]{40}$ ]]; then
echo "Error: --expect-head must be a full 40-character hexadecimal commit SHA." >&2
exit 1
fi
PR_METADATA="$("$SCRIPT_DIR/pr-metadata.sh" -n "$PR_NUMBER")"
BASE_BRANCH="$(printf '%s' "$PR_METADATA" | python3 -c 'import json, sys; print((json.load(sys.stdin).get("baseRefName") or "").strip())')"
HEAD_BRANCH="$(printf '%s' "$PR_METADATA" | python3 -c 'import json, sys; print((json.load(sys.stdin).get("headRefName") or "").strip())')"
HEAD_SHA="$(printf '%s' "$PR_METADATA" | python3 -c 'import json, sys; print((json.load(sys.stdin).get("headRefOid") or "").strip())')"
HEAD_REPO="$(printf '%s' "$PR_METADATA" | python3 -c 'import json, sys; value=json.load(sys.stdin).get("headRepository") or ""; print((value.get("nameWithOwner") or value.get("full_name") or "") if isinstance(value, dict) else str(value).strip())')"
if [[ "$BASE_BRANCH" != "main" ]]; then
echo "Error: Mosaic policy allows merges only for PRs targeting 'main' (found '$BASE_BRANCH')." >&2
exit 1
fi
if [[ "$SKIP_QUEUE_GUARD" != true ]]; then
if [[ -z "$HEAD_BRANCH" || -z "$HEAD_REPO" || ! "$HEAD_SHA" =~ ^[0-9a-fA-F]{40}$ ]]; then
echo "Error: Could not resolve the PR head branch, repository, and full commit SHA for queue inspection." >&2
exit 1
fi
if [[ -n "$EXPECT_HEAD" && "$HEAD_SHA" != "$EXPECT_HEAD" ]]; then
echo "Error: PR head moved: expected $EXPECT_HEAD, found $HEAD_SHA." >&2
exit 1
fi
if [[ "$DRY_RUN" != true ]]; then
"$SCRIPT_DIR/ci-queue-wait.sh" \
--purpose merge \
-B "$BASE_BRANCH" \
-B "$HEAD_BRANCH" \
-R "$HEAD_REPO" \
--sha "$HEAD_SHA" \
-t "${MOSAIC_CI_QUEUE_TIMEOUT_SEC:-900}" \
-i "${MOSAIC_CI_QUEUE_POLL_SEC:-15}"
fi
@@ -106,31 +122,22 @@ PLATFORM=$(detect_platform)
OWNER=$(get_repo_owner)
REPO=$(get_repo_name)
is_known_tea_empty_identity_failure() {
local error_file="$1"
python3 - "$error_file" <<'PY'
import re
import sys
with open(sys.argv[1], encoding="utf-8", errors="replace") as handle:
error = handle.read()
known_empty_identity = re.search(
r"user does not exist.*\[.*uid:\s*0,\s*name:\s*\]",
error,
flags=re.IGNORECASE | re.DOTALL,
)
raise SystemExit(0 if known_empty_identity else 1)
PY
}
merge_gitea_with_api() {
local host="$1" api_url token basic_auth body_file raw_code payload
api_url="https://${host}/api/v1/repos/${OWNER}/${REPO}/pulls/${PR_NUMBER}/merge"
mkdir -p "${AGENT_WORK_ROOT:-${HOME:-/tmp}/mosaic/agent-work}"
body_file=$(mktemp "${AGENT_WORK_ROOT:-${HOME:-/tmp}/mosaic/agent-work}/pr-merge-api-response.XXXXXX")
payload='{"Do":"squash"}'
payload=$(python3 - "$HEAD_SHA" "$DELETE_BRANCH" <<'PY'
import json
import sys
head_sha, delete_branch = sys.argv[1:]
payload = {"Do": "squash", "head_commit_id": head_sha}
if delete_branch == "true":
payload["delete_branch_after_merge"] = True
print(json.dumps(payload, separators=(",", ":")))
PY
)
token=$(get_gitea_token "$host" || true)
if [[ -n "$token" ]]; then
@@ -202,7 +209,7 @@ fi
case "$PLATFORM" in
github)
cmd=(gh pr merge "$PR_NUMBER" --squash)
cmd=(gh pr merge "$PR_NUMBER" --squash --match-head-commit "$HEAD_SHA")
[[ "$DELETE_BRANCH" == true ]] && cmd+=(--delete-branch)
"${cmd[@]}"
;;
@@ -211,32 +218,9 @@ case "$PLATFORM" in
echo "Error: Cannot determine host from origin remote URL" >&2
exit 1
}
TEA_LOGIN="$(get_gitea_login_for_host "$HOST" || true)"
if [[ -n "$TEA_LOGIN" ]]; then
mkdir -p "${AGENT_WORK_ROOT:-${HOME:-/tmp}/mosaic/agent-work}"
TEA_ERROR_FILE=$(mktemp "${AGENT_WORK_ROOT:-${HOME:-/tmp}/mosaic/agent-work}/pr-merge-tea-error.XXXXXX")
if tea pr merge "$PR_NUMBER" --style squash --repo "$OWNER/$REPO" --login "$TEA_LOGIN" 2> "$TEA_ERROR_FILE"; then
rm -f "$TEA_ERROR_FILE"
elif is_known_tea_empty_identity_failure "$TEA_ERROR_FILE"; then
cat "$TEA_ERROR_FILE" >&2
echo "Known tea empty identity failure detected; using authenticated Gitea API merge fallback." >&2
rm -f "$TEA_ERROR_FILE"
merge_gitea_with_api "$HOST"
else
cat "$TEA_ERROR_FILE" >&2
rm -f "$TEA_ERROR_FILE"
exit 1
fi
else
echo "No tea login configured for $HOST; using authenticated Gitea API merge fallback." >&2
merge_gitea_with_api "$HOST"
fi
# Delete branch after merge if requested
if [[ "$DELETE_BRANCH" == true ]]; then
echo "Note: Branch deletion after merge may need to be done separately with tea" >&2
fi
# Gitea's API head_commit_id is an atomic compare-and-merge precondition.
# tea cannot express it, so exact-head merges use the authenticated API path.
merge_gitea_with_api "$HOST"
;;
*)
echo "Error: Could not detect git platform" >&2