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Add build script for Circle CI
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‎circle.yml‎

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# Customize the test machine:
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machine:
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# Version of Node.js to use:
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node:
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version: 6
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# Custom environment dependencies:
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dependencies:
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override:
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- 'nvm install 0.10 && nvm use 0.10 && npm update -g npm'
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- 'nvm install 0.12 && nvm use 0.12 && npm update -g npm'
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- 'nvm install 1 && nvm use 1 && npm update -g npm'
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- 'nvm install 2 && nvm use 2 && npm update -g npm'
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- 'nvm install 3 && nvm use 3 && npm update -g npm'
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- 'nvm install 4 && nvm use 4 && npm update -g npm'
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- 'nvm install 5 && nvm use 5 && npm update -g npm'
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- 'nvm install 6 && nvm use 6 && npm update -g npm'
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- 'nvm install node && nvm use node && npm update -g npm'
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- 'nvm install 6 && nvm use 6 && npm update -g npm'
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- 'nvm install 5 && nvm use 5 && npm update -g npm'
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- 'nvm install 4 && nvm use 4 && npm update -g npm'
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- 'nvm install 3 && nvm use 3 && npm update -g npm'
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- 'nvm install 2 && nvm use 2 && npm update -g npm'
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- 'nvm install 1 && nvm use 1 && npm update -g npm'
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- 'nvm install 0.12 && nvm use 0.12 && npm update -g npm'
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- 'nvm install 0.10 && nvm use 0.10 && npm update -g npm'
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# Custom test commands:
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test:
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override:
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- 'nvm use 0.10 && rm -rf node_modules && npm install && make examples'
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- 'nvm use 0.12 && rm -rf node_modules && npm install && make examples'
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- 'nvm use 1 && rm -rf node_modules && npm install && make examples'
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- 'nvm use 2 && rm -rf node_modules && npm install && make examples'
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- 'nvm use 3 && rm -rf node_modules && npm install && make examples'
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- 'nvm use 4 && rm -rf node_modules && npm install && make examples'
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- 'nvm use 5 && rm -rf node_modules && npm install && make examples'
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- 'nvm use 6 && rm -rf node_modules && npm install && make examples'
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- 'nvm use node && rm -rf node_modules && npm install && make examples'
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- chmod +x ./tools/ci/circle
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- ./tools/ci/circle

‎tools/ci/circle‎

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#!/usr/bin/env bash
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#
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# Build script to run continuous integration on [Circle CI][1].
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#
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# [1]: https://circleci.com
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# VARIABLES #
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# Define a username:
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username="${CIRCLE_USERNAME}"
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# Get the total number of VMs (parallelism):
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total_nodes="${CIRCLE_NODE_TOTAL}"
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# Get the VM index:
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index="${CIRCLE_NODE_INDEX}"
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# Define an output file to store log output:
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log_file='/var/log/circle-ci.log'
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# Define a heartbeat interval to periodically print messages in order to prevent Circle CI from prematurely ending a build due to long running commands:
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heartbeat_interval='30s'
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# Declare a variable for storing the heartbeat process id:
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heartbeat_pid=""
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# Define the number of lines of logged output to print upon completion:
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tail_num_lines=4000
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# FUNCTIONS #
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# Defines an error handler.
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#
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# $1 - error status
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on_error() {
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echo 'ERROR: An error was encountered during execution.' >&2
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cleanup
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exit "$1"
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}
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# Runs clean-up tasks.
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cleanup() {
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tail_output "${log_file}" "${tail_num_lines}"
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stop_heartbeat
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}
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# Starts a heartbeat.
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#
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# $1 - heartbeat interval
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start_heartbeat() {
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echo 'Starting heartbeat...' >&2
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# Create a heartbeat and send to background:
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heartbeat "$1" &
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# Capture the heartbeat pid:
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heartbeat_pid=$!
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echo "Heartbeat pid: ${heartbeat_pid}" >&2
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}
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# Runs an infinite print loop.
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#
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# $1 - heartbeat interval
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heartbeat() {
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while true; do
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echo "$(date) - heartbeat..." >&2;
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sleep "$1";
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done
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}
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# Stops the heartbeat print loop.
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stop_heartbeat() {
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echo 'Stopping heartbeat...' >&2
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kill "${heartbeat_pid}"
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}
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# Tails a log file.
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#
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# $1 - log file to tail
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# $2 - number of lines to tail
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tail_output() {
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echo "Printing the last $2 lines of log output..." >&2
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tail -"$2" "$1"
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}
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# Creates an output log file.
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#
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# $1 - log file path
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create_log_file() {
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echo "Creating an output log file: $1." >&2
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sudo touch "$1"
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sudo chown "${username}" "$1"
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}
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# Prints a success message.
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print_success() {
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echo 'Success!' >&2
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}
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# Sets the Node.js version.
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#
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# $1 - version
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node_version() {
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echo "Switching to Node.js version: $1..." >&2
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nvm use "$1"
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}
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# Remove node modules.
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#
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# $1 - log file
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clean_node() {
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echo 'Removing node module dependencies...' >&2
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make clean-node >> "$1" 2>&1
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if [[ "$?" -ne 0 ]]; then
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echo 'Error when attempting to remove dependencies.' >&2
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return 1
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fi
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echo 'Dependencies successfully removed.' >&2
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return 0
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}
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# Installs dependencies.
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#
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# $1 - log file
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install() {
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echo 'Installing...' >&2
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make install >> "$1" 2>&1
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if [[ "$?" -ne 0 ]]; then
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echo 'Error occurred during install.' >&2
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return 1
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fi
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echo 'Install successful.' >&2
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return 0
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}
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# Initializes the Node.js environment.
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#
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# $1 - Node.js version
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# $2 - log file
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init() {
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node_version "$1"
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clean_node "$2"
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if [[ "$?" -ne 0 ]]; then
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return 1
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fi
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install "$2"
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if [[ "$?" -ne 0 ]]; then
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return 1
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fi
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return 0
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}
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# Checks dependencies.
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#
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# $1 - log file
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check_deps() {
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echo 'Checking dependencies...' >&2
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make check-deps >> "$1" 2>&1
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if [[ "$?" -ne 0 ]]; then
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echo 'Dependencies are out-of-date.' >&2
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return 1
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fi
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echo 'Dependencies are up-to-date.' >&2
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return 0
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}
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# Performs lint tasks.
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#
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# $1 - log file
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lint() {
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echo 'Linting filenames...' >&2
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make lint-filenames >> "$1" 2>&1
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if [[ "$?" -ne 0 ]]; then
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echo 'Linting failed.' >&2
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return 1
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fi
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echo 'Linting passed.' >&2
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return 0
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}
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# Main execution sequence.
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main() {
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create_log_file "${log_file}"
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start_heartbeat "${heartbeat_interval}"
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# Initialize the Node.js environment:
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init stable "${log_file}"
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if [[ "$?" -ne 0 ]]; then
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on_error 1
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fi
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# Assign nodes (VMs) initial tasks:
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if [[ "${index}" = "0" ]]; then
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check_deps "${log_file}"
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if [[ "$?" -ne 0 ]]; then
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on_error 1
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fi
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elif [[ "${index}" = "1" ]]; then
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lint "${log_file}"
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if [[ "$?" -ne 0 ]]; then
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on_error 1
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fi
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fi
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cleanup
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print_success
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exit 0
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}
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# Run main:
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main

‎tools/ci/travis‎

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@@ -185,11 +185,6 @@ main() {
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echo "Task: ${task}." >&2
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if [[ "${task}" = "test" ]]; then
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# FIXME: remove checking deps once separate build environment
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check_deps "${log_file}"
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if [[ "$?" -ne 0 ]]; then
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on_error 1
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fi
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run_tests "${log_file}"
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if [[ "$?" -ne 0 ]]; then
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on_error 1

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