docs: add openim scripts deployment system

Signed-off-by: Xinwei Xiong(cubxxw) <3293172751nss@gmail.com>

pkg/common/version/version.go

@@ -0,0 +1,57 @@
+package version
+
+import (
+	"fmt"
+	"runtime"
+
+	"gopkg.in/src-d/go-git.v4"
+)
+
+// Get returns the overall codebase version. It's for detecting
+// what code a binary was built from.
+func Get() Info {
+	// These variables typically come from -ldflags settings and in
+	// their absence fallback to the settings in ./base.go
+	return Info{
+		Major:      gitMajor,
+		Minor:      gitMinor,
+		GitVersion: gitVersion,
+		GitCommit:  gitCommit,
+		BuildDate:  buildDate,
+		GoVersion:  runtime.Version(),
+		Compiler:   runtime.Compiler,
+		Platform:   fmt.Sprintf("%s/%s", runtime.GOOS, runtime.GOARCH),
+	}
+}
+
+// GetClientVersion returns the git version of the OpenIM client repository
+func GetClientVersion() (*OpenIMClientVersion, error) {
+	clientVersion, err := getClientVersion()
+	if err != nil {
+		return nil, err
+	}
+	return &OpenIMClientVersion{
+		ClientVersion: clientVersion,
+	}, nil
+}
+
+func getClientVersion() (string, error) {
+	repo, err := git.PlainClone("/tmp/openim-sdk-core", false, &git.CloneOptions{
+		URL: "https://github.com/OpenIMSDK/openim-sdk-core",
+	})
+	if err != nil {
+		return "", fmt.Errorf("error cloning repository: %w", err)
+	}
+
+	ref, err := repo.Head()
+	if err != nil {
+		return "", fmt.Errorf("error getting head reference: %w", err)
+	}
+
+	return ref.Hash().String(), nil
+}
+
+// GetSingleVersion returns single version of sealer
+func GetSingleVersion() string {
+	return gitVersion
+}