【golang】编译golang项目添加git信息

编译命令示例：

date
GOOS=linux GOARCH=amd64 go env GOOS GOARCH GOPROXY
GOOS=linux GOARCH=amd64 go mod vendor
time GOOS=linux GOARCH=amd64 go build -mod=vendor -ldflags="-X 'main.buildDate=`TZ='Asia/Shanghai' date +"%FT%T,%A"`' -X main.gitBranch=`git rev-parse --abbrev-ref HEAD` -X main.gitCommitID=`git rev-parse HEAD` -X 'main.gitCommitDate=`git log --pretty='%cI' -n 1`' -X 'main.gitCommitSubject=`git log --pretty='%s' -n 1 | tr -d \'`'" -o bin/main main.go

代码中需接收变量值：

package main

var (
    buildDate        = "date"        // -X 'main.buildDate=`TZ='Asia/Shanghai' date +"%FT%T,%A"`'
    gitBranch        = "branch"      // -X main.gitBranch=`git rev-parse --abbrev-ref HEAD`
    gitCommitID      = "dev"         // -X main.gitCommitID=`git rev-parse HEAD`
    gitCommitDate    = "commit_date" // -X 'main.gitCommitDate=`git log --pretty='%cI' -n 1`'
    gitCommitSubject = "subject"     // -X 'main.gitCommitSubject=`git log --pretty='%s' -n 1`'
)

func main() {
    printWelcome()
}

func printWelcome() {
    if gitCommitID == "" {
       gitCommitID = "dev"
    }
    log.Info("-------- Welcome to use xxx Server --------")
    log.Infof("Build Date : %s", buildDate)
    log.Infof("Git Branch : %s", gitBranch)
    log.Infof("Git Commit ID : %s", gitCommitID)
    log.Infof("Git Commit Date : %s", gitCommitDate)
    log.Infof("Git Commit Subject : %s", gitCommitSubject)
    log.Infof("node name : %s", os.Getenv("NODE_ID"))
    log.Info("------------------------------------")
}

docker Makefile示例（假如git tag了最新的commit，则push）：

.PHONY: docker-build
docker-build: build ## Build docker image with the manager.
    cp bin/controller .
    $(CONTAINER_TOOL) build --push --platform linux/amd64 -t ${IMG} -f Dockerfile.local .
    rm controller

.PHONY: push-release
push-release:
    docker tag $(IMG) $(IMG_RELEASE):latest
    docker push $(IMG_RELEASE):latest

    @\
    TAG=$(shell tagged="$$(git describe --tags --match='v*' --abbrev=0)"; if [ "$$tagged" ] && [ "$$(git rev-list -n1 HEAD)" = "$$(git rev-list -n1 $$tagged)" ]; then echo $$tagged; fi); \
    if [ -n "$$TAG" ]; then \
       echo ""; \
       echo "latest branch tag with $$TAG, push it"; \
       echo "docker tag $(IMG) $(IMG_RELEASE):$$TAG"; \
       docker tag $(IMG) $(IMG_RELEASE):$$TAG; \
       echo "docker push $(IMG_RELEASE):$$TAG"; \
       docker push $(IMG_RELEASE):$$TAG; \
    fi