clash auto start and update subcribe configuration

clash-start

#!/bin/bash
# save this file to /usr/local/bin/clash-start
# save pid file
echo $$ > ${HOME}/.config/clash/clash.pid

CLASH_URL="your subscribe address" # NEED EDIT!

CLASH_REMOTE_CFG="${HOME}/.config/clash/config-remote.yaml"
CLASH_LOCAL_CFG="${HOME}/.config/clash/config-local.yaml"
CLASH_TMP_CFG="/tmp/clash-config.yaml"
CLASH_TARGET_CFG="${HOME}/.config/clash/config.yaml"

curl -s -o "${CLASH_REMOTE_CFG}" "${CLASH_URL}"

merge-yaml ${CLASH_LOCAL_CFG} ${CLASH_REMOTE_CFG} > ${CLASH_TMP_CFG}

if $(diff ${CLASH_TARGET_CFG} ${CLASH_TMP_CFG}); then
    clash
else
    TIME=`date '+%Y%m%d%H%M%S'`
    cp ${CLASH_TARGET_CFG} "${CLASH_TARGET_CFG}.${TIME}.bak"
    mv ${CLASH_TMP_CFG} ${CLASH_TARGET_CFG}
    clash
fi

clash-stop

#!/bin/bash
# save this file to /usr/local/bin/clash-stop

# read pid file
PID=`cat ${HOME}/.config/clash/clash.pid`
kill -9 ${PID}
rm ${HOME}/.config/clash/clash.pid

clash.service

# edit and save this file to /usr/lib/systemd/system/clash.service
[Unit]
Description=Clash
After=network.target

[Service]
ExecStart=/usr/local/bin/clash-start
ExecStop=/usr/local/bin/clash-stop
Environment="HOME=/root/"
User=root

[Install]
WantedBy=multi-user.target

config-local.yaml

# save in ${HOME}/.config/clash/config-local.yaml
port: 0
socks-port: 0
mixed-port: 7890
external-controller: :9090
allow-lan: true

# git clone https://github.com/Dreamacro/clash-dashboard.git ${HOME}/.config/clash/clash-dashboard
external-ui: clash-dashboard
secret: "A-Secret-Password" # NEED EDIT!

merge-yaml

#!/usr/bin/python3
# save in /usr/local/bin/merge-yaml
import yaml
import sys

def merge_yaml_files(input_files):
    merged_data = {}

    # Iterate through each input file
    for file_path in input_files:
        with open(file_path, 'r', encoding='utf-8') as file:
            yaml_data = yaml.safe_load(file)

        # Merge the array fields (lists)
        for key, value in yaml_data.items():
            if isinstance(value, list):
                if key in merged_data:
                    merged_data[key].extend(value)
                else:
                    merged_data[key] = value

        # Replace the key-value fields (dictionaries)
        for key, value in yaml_data.items():
            if not isinstance(value, list):
                if key not in merged_data:
                    merged_data[key] = value

    # Convert the merged data to YAML
    merged_yaml = yaml.dump(merged_data, allow_unicode=True)

    # Output the merged YAML content in UTF-8 encoding
    sys.stdout.buffer.write(merged_yaml.encode('utf-8'))

# Example usage
if __name__ == '__main__':
    # Check if input file paths are provided
    if len(sys.argv) < 2:
        sys.exit("Please provide at least one input file path.")

    input_files = sys.argv[1:]

    merge_yaml_files(input_files)