From f78d6e210d61bce2463ab604661b25dfc09bddd0 Mon Sep 17 00:00:00 2001
From: Starbeamrainbowlabs <sbrl@starbeamrainbowlabs.com>
Date: Thu, 16 Feb 2023 22:30:48 +0000
Subject: [PATCH] build.sh: write initial script for CI

---
 build.sh | 140 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 140 insertions(+)
 create mode 100755 build.sh

diff --git a/build.sh b/build.sh
new file mode 100755
index 0000000..f6b05c8
--- /dev/null
+++ b/build.sh
@@ -0,0 +1,140 @@
+#!/usr/bin/env bash
+# Make sure the current directory is the location of this script to simplify matters
+cd "$(dirname "$(readlink -f "$0")")" || { echo "Error: Failed to cd to script directory (wat?)." >&2; exit 1; };
+################
+### Settings ###
+################
+
+# The name of this project
+project_name="tfsummaryvis";
+
+# The path to the lantern build engine git submodule
+lantern_path="./lantern-build-engine";
+
+###
+# Custom Settings
+###
+
+# Put any custom settings here.
+dirpath_output="./dist";
+
+# Deployment settings
+deploy_ssh_user="ci";
+deploy_ssh_host="starbeamrainbowlabs.com";
+deploy_ssh_port=2403;
+
+deploy_root_dir="tfsummaryvis";
+
+###############################################################################
+
+# Check out the lantern git submodule if needed
+if [ ! -f "${lantern_path}/lantern.sh" ]; then git submodule update --init "${lantern_path}"; fi
+
+source "${lantern_path}/lantern.sh";
+
+if [[ "$#" -lt 1 ]]; then
+	echo -e "${FBLE}${project_name}${RS} build script";
+	echo -e "    by Starbeamrainbowlabs";
+	#shellcheck disable=SC2154
+	echo -e "${LC}Powered by the lantern build engine, v${version}${RS}";
+	echo -e "";
+	echo -e "${CSECTION}Usage${RS}";
+	echo -e "    ./build ${CTOKEN}{action}${RS} ${CTOKEN}{action}${RS} ${CTOKEN}{action}${RS} ...";
+	echo -e "";
+	echo -e "${CSECTION}Available actions${RS}";
+	echo -e "    ${CACTION}setup${RS}         - Perform initial setup";
+	echo -e "    ${CACTION}build${RS}         - Build the site with esbuild";
+	echo -e "    ${CACTION}archive${RS}       - Create an archive of CI artifacts";
+	echo -e "    ${CACTION}ci${RS}            - Do CI tasks";
+	echo -e "";
+	
+	exit 1;
+fi
+
+###############################################################################
+
+task_setup() {
+	
+	task_begin "Checking environment";
+	check_command git true;
+	check_command node true;
+	check_command npm true;
+	task_end $?;
+	
+	task_begin "Initialising submodules";
+	git submodule update --init;
+	task_end $? "Failed to initialise submodules";
+	
+	task_begin "Installing dependencies";
+	npm install;
+	task_end $? "Failed to install dependencies";
+}
+
+task_build() {
+	task_begin "Rendering site";
+	npm run build;
+	task_end $? "Failed to render site";
+}
+
+task_archive() {
+	task_begin "Packing archive";
+	tar caf "${ARCHIVE}/${project_name}.tar.bz2" "${dirpath_output}";
+	task_end $?;
+}
+
+task_deploy() {
+	stage_begin "Deploying to ${deploy_ssh_host}....";
+	if [ "${SSH_KEY_PATH}" == "" ]; then
+		echo "${FRED}${HC}Error: Can't find the SSH key as the environment variable SSH_KEY_PATH isn't set.${RS}" >&2;
+		stage_end 1;
+	fi
+	
+	task_begin "Preparing upload";
+	subtask_begin "Unwinding symlinks";
+	find "${dirpath_output}" -type l -exec bash -c 'ln -f "$(readlink -m "$0")" "$0"' {} \;
+	subtask_end $?;
+	task_end $?;
+	
+	# Acquire an exclusive project-wide lock so that we only upload stuff one-at-a-time
+	task_begin "Acquiring upload lock";
+	exec 9<"${WORKSPACE}";
+	flock --exclusive 9;
+	task_end $? "Failed to acquire lock!";
+	
+	task_begin "Cleaning up old release";
+	lftp_commands_filename="$(mktemp --suffix "-commands.lftp")";
+	(
+		echo "set sftp:connect-program 'ssh -x -i ${SSH_KEY_PATH}'";
+		# We have an extra : before the @ here to avoid the password prompt
+		echo "connect sftp://${deploy_ssh_user}:@${deploy_ssh_host}:${deploy_ssh_port}";
+		echo "rm -r \"${deploy_root_dir}/www\"";
+		echo "bye";
+	) >"${lftp_commands_filename}";
+	
+	execute lftp --version;
+	execute cat "${lftp_commands_filename}";
+	execute lftp -f "${lftp_commands_filename}";
+	task_end $? "Failed to cleanup old release";
+	
+	task_begin "Uploading new release";
+	sftp -i "${SSH_KEY_PATH}" -P "${deploy_ssh_port}" -o PasswordAuthentication=no "${deploy_ssh_user}@${deploy_ssh_host}" << SFTPCOMMANDS
+mkdir ${deploy_root_dir}/www
+put -r ${dirpath_output}/* ${deploy_root_dir}/www/
+bye
+SFTPCOMMANDS
+	task_end $? "Failed to upload new release";
+
+	subtask_begin "Releasing lock";
+	exec 9>&- # Close file descriptor 9 and release the lock
+	subtask_end $?;
+	
+	stage_end $? "Failed to deploy to ${deploy_ssh_host}.";
+}
+
+task_ci() {
+	tasks_run setup build archive deploy;
+}
+
+###############################################################################
+
+tasks_run "$@";