feat: improved block production with polkadot-stable2603 #98

	name: weight-diff

	on:
	pull_request:

	permissions:
	pull-requests: write
	contents: read

	jobs:
	weight-diff:
	name: Weight diff
	runs-on: ubuntu-latest
	steps:
	- name: Checkout PR
	uses: actions/checkout@v4

	- name: Fetch master
	run: git fetch --no-tags --depth=1 origin master:refs/remotes/origin/master

	- name: Materialize master weights into a temp dir
	run: \|
	mkdir -p /tmp/weights-master/runtime/hydradx/src/weights
	# Extract weights from master. If the path doesn't exist on master
	# (e.g. brand-new directory in this PR), proceed with an empty dir.
	git archive origin/master runtime/hydradx/src/weights 2>/dev/null \
	\| tar -x -C /tmp/weights-master \|\| true

	- name: Generate weight diff report
	id: diff
	run: \|
	set -euo pipefail
	python3 scripts/weight-diff/weight_diff.py \
	--old /tmp/weights-master/runtime/hydradx/src/weights \
	--new runtime/hydradx/src/weights \
	> weight-diff-report.md

	if grep -q 'No weight changes detected' weight-diff-report.md; then
	echo "has_changes=false" >> "$GITHUB_OUTPUT"
	else
	echo "has_changes=true" >> "$GITHUB_OUTPUT"
	fi

	echo "----- report preview -----"
	head -40 weight-diff-report.md

	- name: Post weight diff comment
	if: steps.diff.outputs.has_changes == 'true'
	uses: marocchino/sticky-pull-request-comment@v2.1.0
	with:
	header: weight-diff
	path: weight-diff-report.md

	- name: Remove stale weight-diff comment when no changes
	if: steps.diff.outputs.has_changes == 'false'
	uses: marocchino/sticky-pull-request-comment@v2.1.0
	with:
	header: weight-diff
	delete: true

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