Zjmainstay学习笔记

安装

# install for mac
brew install watchman

使用

使用过程分两步：

1、监听项目目录

# watchman watch-project /path/to/project
watchman watch-project /www/watch-demo
示例返回：
{
    "version": "2021.12.06.00",
    "watch": "/www/watch-demo",
    "watcher": "fsevents"
}

2、注册触发器

2.1 编辑触发器配置内容 /www/watch-demo/watch-config.json

[
    "trigger",
    "/www/watch-demo",
    {
        "name": "watch-demo",
        "expression":
        [
            "pcre",
            "\\.go$"
        ],
        "command":
        [
            "sh", "/www/watch-demo/restart.sh"
        ]
    }
]

2.2 编辑项目自动编译重启命令shell /www/watch-demo/restart.sh

#!/bin/sh
shell_name="watch-demo.run"
#关闭旧进程
if [ `ps aux | grep ${shell_name} | grep -v grep | awk '{print $2}'` ]; then
  ps aux | grep ${shell_name} | grep -v grep | awk '{print $2}' | xargs kill
fi
cd /www/watch-demo
go build -o ${shell_name} ./main.go
./${shell_name} 2>&1 &
rm -f ${shell_name}

2.3 注册触发器，内容变更自动编译重启

watchman -j < /www/watch-demo/watch-config.json
示例返回：
{
    "version": "2021.12.06.00",
    "triggerid": "watch-demo",
    "disposition": "created"
}
可能报错：
{
    "version": "2021.12.06.00",
    "error": "watchman::RootResolveError: RootResolveError: unable to resolve root /www/watch-demo: RootResolveError: directory /www/watch-demo is not watched"
}
原因：未执行监听项目目录命令 watchman watch-project /www/watch-demo
解决：执行监听项目目录命令

至此，我们就添加好/www/watch-demo/项目目录下文件变更的自动编译重启监控，每次修改内容，watchman都会自动调用我们的restart.sh命令进行处理。

查看监控运行日志

# ps aux| grep watchman 请查看--logfile关联的日志文件
tail -f /opt/homebrew/var/run/watchman/macbok-state/log

查看监控列表

watchman trigger-list /www/watch-demo
示例返回：
{
    "version": "2021.12.06.00",
    "triggers": [
        {
            "command": [
                "sh",
                "/www/watch-demo/restart.sh"
            ],
            "expression": [
                "pcre",
                "\\.go$"
            ],
            "name": "watch-demo"
        }
    ]
}

删除监控

watchman trigger-del /www/watch-demo watch-demo
示例返回：
{
    "version": "2021.12.06.00",
    "deleted": true,
    "trigger": "watch-demo"
}

更多

watchman还有更多功能，感兴趣的朋友，点击下面项目地址去挖掘一下吧~ o_O

项目地址

https://facebook.github.io/watchman/

示例代码

watchman监听golang项目自动重启demo