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#!/usr/bin/env bash
#
# This script sets up cigocacher, but should never fail the build if unsuccessful.
# It expects to run on a GitHub-hosted runner, and connects to cigocached over a
# private Azure network that is configured at the runner group level in GitHub.
#
# Usage: ./action.sh
# Inputs:
# URL: The cigocached server URL.
# HOST: The cigocached server host to dial.
# Outputs:
# success: Whether cigocacher was set up successfully.
set -euo pipefail
if [ -z "${GITHUB_ACTIONS:-}" ]; then
echo "This script is intended to run within GitHub Actions"
exit 1
fi
if [ -z "${URL:-}" ]; then
echo "No cigocached URL is set, skipping cigocacher setup"
exit 0
fi
GOPATH=$(command -v go || true)
if [ -z "${GOPATH}" ]; then
if [ ! -f "tool/go" ]; then
echo "Go not available, unable to proceed"
exit 1
fi
GOPATH="./tool/go"
fi
BIN_PATH="${RUNNER_TEMP:-/tmp}/cigocacher$(${GOPATH} env GOEXE)"
if [ -d "cmd/cigocacher" ]; then
echo "cmd/cigocacher found locally, building from local source"
"${GOPATH}" build -o "${BIN_PATH}" ./cmd/cigocacher
else
echo "cmd/cigocacher not found locally, fetching from tailscale.com/cmd/cigocacher"
"${GOPATH}" build -o "${BIN_PATH}" tailscale.com/cmd/cigocacher
fi
CIGOCACHER_TOKEN="$("${BIN_PATH}" --auth --cigocached-url "${URL}" --cigocached-host "${HOST}" )"
if [ -z "${CIGOCACHER_TOKEN:-}" ]; then
echo "Failed to fetch cigocacher token, skipping cigocacher setup"
exit 0
fi
echo "Fetched cigocacher token successfully"
echo "::add-mask::${CIGOCACHER_TOKEN}"
echo "GOCACHEPROG=${BIN_PATH} --cache-dir ${CACHE_DIR} --cigocached-url ${URL} --cigocached-host ${HOST} --token ${CIGOCACHER_TOKEN}" >> "${GITHUB_ENV}"
echo "success=true" >> "${GITHUB_OUTPUT}"
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