85 lines
3.1 KiB
Bash
85 lines
3.1 KiB
Bash
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#!/usr/bin/env bash
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# Guard the trap in .gitea/workflows.
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#
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# Gitea uses .gitea/workflows IF IT EXISTS, and falls back to .github/workflows
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# only when it does not. It never merges them. So a workflow that lives only in
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# .github/ simply does not run on Gitea — no error, no run to click on. It
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# looks exactly like a runner that has not picked the job up, so you wait, and
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# waiting never fixes it.
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#
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# Workflows that must behave identically on both forges are therefore kept
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# byte-identical in both roots, and this script fails when they drift or when
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# one appears in only one root without a stated reason.
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set -euo pipefail
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cd "$(dirname "$0")/.."
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# Workflows that are deliberately single-forge, and why.
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declare -A only_on=(
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["auto-merge.yml"]="github: it drives the GitHub merge API. Gitea merges the owner's green PRs itself."
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["release.yml"]="both, but different: each publishes to the forge it runs on, and Gitea is where the update feed lives."
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)
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fail=0
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for root in .github .gitea; do
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[ -d "$root/workflows" ] || { echo "$root/workflows is missing."; fail=1; }
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done
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for f in .github/workflows/*.yml .gitea/workflows/*.yml; do
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[ -e "$f" ] || continue
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name=$(basename "$f")
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gh=".github/workflows/$name"
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gt=".gitea/workflows/$name"
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case "${only_on[$name]:-}" in
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github:*)
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[ -f "$gt" ] && { echo "$name is marked GitHub-only but exists in .gitea/workflows too."; fail=1; }
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continue
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;;
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both,*|"both, "*)
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# Present in both, intentionally different. Both copies must exist.
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{ [ -f "$gh" ] && [ -f "$gt" ]; } \
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|| { echo "$name is expected in both roots, but one copy is missing."; fail=1; }
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continue
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;;
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esac
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if [ ! -f "$gh" ] || [ ! -f "$gt" ]; then
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echo "$name exists in only one workflow root and is not listed in ci/workflows-in-sync.sh."
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echo " A workflow missing from .gitea/workflows does not run on Gitea, silently."
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fail=1
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continue
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fi
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if ! cmp -s "$gh" "$gt"; then
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echo "$name has drifted between the two roots:"
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diff -u "$gh" "$gt" || true
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fail=1
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fi
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done
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# Measured on Gitea 1.27.2: a workflow-level `concurrency:` block produced no
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# run at all — not a failed one, not a cancelled one. It may have been fixed
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# since, but the cost of keeping the rule is nil and the cost of rediscovering
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# it is an afternoon of blaming the runner.
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if grep -rn '^concurrency:' .gitea/workflows/ 2>/dev/null; then
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echo "A workflow-level concurrency: block can stop a Gitea workflow from running at all."
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fail=1
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fi
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# A workflow that does not parse produces no run — the same symptom as every
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# other trap in this file. ci.yml cannot catch its own syntax error this way,
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# but release.yml and compat.yml can be caught here rather than on the tag.
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if python3 -c 'import yaml' 2>/dev/null; then
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for f in .github/workflows/*.yml .gitea/workflows/*.yml; do
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[ -e "$f" ] || continue
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python3 -c 'import sys,yaml; yaml.safe_load(open(sys.argv[1]))' "$f" \
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|| { echo "$f is not valid YAML, so it will simply never run."; fail=1; }
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done
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else
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echo "(PyYAML is not installed here, so the workflow files were not parsed.)"
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fi
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[ "$fail" = 0 ] || exit 1
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echo "Workflows: in sync."
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