How to embed information at build time

golang-buildTime-information.md

# PowerShell
go run `
  -ldflags="
    -X 'main.version=$(git name-rev --tags --name-only --always --no-undefined $(git rev-parse HEAD))' `
    -X 'main.commitInfo=$(if (git status --porcelain=v2 --untracked-files=no) {Write-Output "*"} else {Write-Output "clean"})' `
    -X 'main.buildTime=tomorrow.afternoon'" `
  .\playground\versionInject\main.go

# sh
go run \
  -ldflags=\
    -X 'main.version=$(git name-rev --tags --name-only --always --no-undefined $(git rev-parse HEAD))' \
    -X 'main.commitInfo=$(git status --porcelain=v2 --untracked-files=no)' \
    -X 'main.buildTime=tomorrow.afternoon'" \
  .\playground\versionInject\main.go