github-cooker2rolling

#!/bin/sh
json() {
	python -c "
import json,sys
try:
	print(json.load(sys.stdin)$@)
except (IndexError, KeyError, TypeError):
	pass
"
}

# Print a GitHub GraphQL/REST error body to stderr.
# Exit 0 only when the payload has data.organization.
graphql_ok() {
	python -c '
import json, sys
raw = sys.stdin.read()
try:
	payload = json.loads(raw)
except Exception:
	sys.stderr.write(raw[:800] + "\n")
	sys.exit(1)
message = payload.get("message")
if message:
	sys.stderr.write(message + "\n")
for err in payload.get("errors") or []:
	sys.stderr.write(str(err.get("message", err)) + "\n")
if not (payload.get("data") or {}).get("organization"):
	sys.exit(1)
'
}

github_graphql() {
	curl -sS \
		-H "Authorization: Bearer $OAUTH_TOKEN" \
		-H "Content-Type: application/json" \
		-H "User-Agent: OpenMandriva-infra-scripts" \
		-X POST -d "$1" https://api.github.com/graphql
}

token_usable() {
	_probe="$(curl -sS \
		-H "Authorization: Bearer $1" \
		-H "Content-Type: application/json" \
		-H "User-Agent: OpenMandriva-infra-scripts" \
		-d '{"query":"{ viewer { login } }"}' \
		https://api.github.com/graphql)"
	echo "$_probe" | python -c '
import json, sys
try:
	payload = json.load(sys.stdin)
except Exception:
	sys.exit(1)
sys.exit(0 if (payload.get("data") or {}).get("viewer") else 1)
'
}

if [ -n "$OAUTH_TOKEN" ] && ! token_usable "$OAUTH_TOKEN"; then
	echo "OAUTH_TOKEN was rejected by GitHub (bad or expired credentials)." >&2
	OAUTH_TOKEN=""
fi
if [ -z "$OAUTH_TOKEN" ] && [ -n "$GH_TOKEN" ] && token_usable "$GH_TOKEN"; then
	OAUTH_TOKEN="$GH_TOKEN"
fi
if [ -z "$OAUTH_TOKEN" ] && command -v gh >/dev/null 2>&1; then
	_gh="$(gh auth token 2>/dev/null)" || _gh=""
	if [ -n "$_gh" ] && token_usable "$_gh"; then
		echo "Using GitHub token from: gh auth token" >&2
		OAUTH_TOKEN="$_gh"
	fi
fi
if [ -z "$OAUTH_TOKEN" ]; then
	echo "Before running this script, set OAUTH_TOKEN to a token"
	echo "generated using https://github.com/settings/tokens"
	echo "or authenticate with: gh auth login"
	exit 1
fi

MYDIR="$(realpath $(dirname $0))"
TEMP="`mktemp -d /tmp/ghc2rXXXXXX`"
cd $TEMP

START=""
PERPAGE=100
COUNT=0
for org in OpenMandrivaAssociation; do
	while true; do
		QUERY="{\"query\": \"query {organization(login:\\\"$org\\\") { id name repositories(first:$PERPAGE $START) { edges { node { id name } cursor } pageInfo { endCursor hasNextPage } } } }\""
		if ! REPOS="$(github_graphql "$QUERY")"; then
			echo "$QUERY failed" >&2
			break
		fi
		if [ -z "$REPOS" ]; then
			echo "$QUERY failed" >&2
			break
		fi
		if ! echo "$REPOS" | graphql_ok; then
			echo "$QUERY failed" >&2
			exit 1
		fi
		for i in $(seq 0 $((PERPAGE-1))); do
			R="$(echo "$REPOS" | json "['data']['organization']['repositories']['edges'][$i]['node']['name']")"
			[ "$R" = "distro-release" -o "$R" = "distro-release-desktop-Plasma6" -o "$R" = "distro-release-desktop-Plasma-Mobile" -o "$R" = "openmandriva-repos" -o "$R" = "lsb-release" -o "$R" = "om-midna-sddm" ] && continue
			if [ -z "$R" ]; then
				echo "No more repositories at $QUERY $i" >&2
				break
			fi
			COUNT=$((COUNT+1))
			echo "Retagging $org/$R"
			cd "$TEMP"
			git clone "git@github.com:$org/$R"
			if [ -d "$R" ]; then
				cd "$R"
				git checkout -b rolling origin/master
				git push --force origin rolling
				cd ..
				rm -rf "$R"
			fi
		done
		[ "$(echo "$REPOS" | json "['data']['organization']['repositories']['pageInfo']['hasNextPage']")" != "True" ] && break
		START="after:\\\"$(echo "$REPOS" | json "['data']['organization']['repositories']['pageInfo']['endCursor']")\\\""
	done
done
echo "$COUNT repositories retagged."

cd "$MYDIR"
rm -rf "$TEMP"