initial release

internal/version/version.go

@@ -0,0 +1,42 @@
+package version // import "github.com/pomerium/pomerium/internal/version"
+
+import (
+	"fmt"
+	"runtime"
+	"strings"
+)
+
+var (
+	// ProjectName is the canonical project name set by ldl flags
+	ProjectName = ""
+	// ProjectURL is the canonical project url  set by ldl flags
+	ProjectURL = ""
+	// Version specifies Semantic versioning increment (MAJOR.MINOR.PATCH).
+	Version = "v0.0.0"
+	// GitCommit specifies the git commit sha, set by the compiler.
+	GitCommit = ""
+	// BuildMeta specifies release type (dev,rc1,beta,etc)
+	BuildMeta = ""
+
+	runtimeVersion = runtime.Version()
+)
+
+// FullVersion returns a version string.
+func FullVersion() string {
+	var sb strings.Builder
+	sb.Grow(len(Version) + len(GitCommit) + len(BuildMeta) + len("-") + len("+"))
+	sb.WriteString(Version)
+	if BuildMeta != "" {
+		sb.WriteString("-" + BuildMeta)
+	}
+	if GitCommit != "" {
+		sb.WriteString("+" + GitCommit)
+	}
+	return sb.String()
+}
+
+// UserAgent returns a user-agent string as specified in RFC 2616:14.43
+// https://tools.ietf.org/html/rfc2616
+func UserAgent() string {
+	return fmt.Sprintf("%s/%s (+%s; %s; %s)", ProjectName, Version, ProjectURL, GitCommit, runtimeVersion)
+}