wandercn / hotbuild

a cross platform hot compilation tool for golang

hotbuild

A cross platform hot compilation tool

By monitoring the modification of the project directory file, the recompilation and running are automatically triggered. Running directory and monitoring change directory can be different. Monitor the file modification in all recursive subdirectories under the project path.

Install

go get -u github.com/wandercn/hotbuild@latest 

Initialize

wander$ cd $your_project_dir/
wander$ hotbuild initconf
2021/07/28 11:10:03 create config file: .hotbuild.toml

Run

wander$ cd $your_project_dir/
wander$ hotbuild run
 _   _  ___ _____   ____  _   _ ___ _     ____
| | | |/ _ \_   _| | __ )| | | |_ _| |   |  _ \
| |_| | | | || |   |  _ \| | | || || |   | | | |
|  _  | |_| || |   | |_) | |_| || || |___| |_| |
|_| |_|\___/ |_|   |____/ \___/|___|_____|____/ v1.0.5, built with Go 1.16.5

.............................. ( Start rebuilding ) .................................
.............................. [ Build successfully ] ...............................
.............................. { Start running } ....................................
2021/07/06 09:56:26.913 [I] [asm_amd64.s:1371]  http server Running on http://0.0.0.0:8080
2021/07/06 09:56:26.913 [I] [asm_amd64.s:1371]  Admin server Running on :8088

Custom configuration

Auto create default configuration file in $your_project_dir/.hotbuild.toml,you can modify the configuration yourself.

wander$ cd $your_project_dir/
wander$ cat .hotbuild.toml
buildcmd = "go build -o ./tmp_bin"
excludedir = [".git", "tmp", "docs", "vendor"]
projectdir = "/Users/apple/workspace/src/example.com/"
runcmd = "./tmp_bin"

	en	zh-cn
buildcmd	Compile command	编译命令
excludedir	Exclude tracked folders	排除跟踪的文件夹
projectdir	Project directory to track	需要跟踪的项目目录
runcmd	Run command	运行命令

FAQ

1. the "Too many open files" error of MacOSX

# maxfiles is 256 too small.

wander$ launchctl limit
  cpu         unlimited      unlimited
  filesize    unlimited      unlimited
  data        unlimited      unlimited
  stack       8388608        67104768
  core        0              unlimited
  rss         unlimited      unlimited
  memlock     unlimited      unlimited
  maxproc     2784           4176
  maxfiles    256           10240

# change maxfiles to 4096.

wander$ sudo launchctl limit maxfiles 4096 unlimited
wander$ launchctl limit
  cpu         unlimited      unlimited
  filesize    unlimited      unlimited
  data        unlimited      unlimited
  stack       8388608        67104768
  core        0              unlimited
  rss         unlimited      unlimited
  memlock     unlimited      unlimited
  maxproc     2784           4176
  maxfiles    4096           10240

remind:

Some terminal modifications cannot take effect immediately and need to be restarted, such as iterm2.

hotbuild's Issues

hotbuild init config

• 增加命令参数 init 初始化配置

Run Failed:CombinedOutput failed: exec: "./tmp_bin": file does not exist

environment
Golang : 1.17.5
os: windows 11

error description

1. Follow instruction on hotbuild
2. run comand : hotbuild run

then i get that error.

hotbuild run 命令行改造

• 增加run参数作为启动命令