fix: add buildinfo

Author: singl3focus

cmd/pmp/buildinfo.go

@@ -0,0 +1,72 @@
+package main
+
+import (
+	"runtime/debug"
+
+	"github.com/singl3focus/pmp/cli"
+)
+
+var readBuildInfo = debug.ReadBuildInfo
+
+func resolveVersionInfo(version, commit, date string) cli.VersionInfo {
+	build := cli.VersionInfo{
+		Version: version,
+		Commit:  commit,
+		Date:    date,
+	}
+
+	info, ok := readBuildInfo()
+	if !ok {
+		return build
+	}
+
+	if build.Version == "" || build.Version == "dev" {
+		if resolvedVersion := resolveModuleVersion(info); resolvedVersion != "" {
+			build.Version = resolvedVersion
+		}
+	}
+
+	if build.Commit == "" || build.Commit == "none" {
+		if resolvedCommit := buildSetting(info, "vcs.revision"); resolvedCommit != "" {
+			build.Commit = resolvedCommit
+		}
+	}
+
+	if build.Date == "" || build.Date == "unknown" {
+		if resolvedDate := buildSetting(info, "vcs.time"); resolvedDate != "" {
+			build.Date = resolvedDate
+		}
+	}
+
+	return build
+}
+
+func resolveModuleVersion(info *debug.BuildInfo) string {
+	if info == nil {
+		return ""
+	}
+
+	if isTaggedVersion(info.Main.Version) {
+		return info.Main.Version
+	}
+
+	return ""
+}
+
+func isTaggedVersion(version string) bool {
+	return version != "" && version != "(devel)"
+}
+
+func buildSetting(info *debug.BuildInfo, key string) string {
+	if info == nil {
+		return ""
+	}
+
+	for _, setting := range info.Settings {
+		if setting.Key == key {
+			return setting.Value
+		}
+	}
+
+	return ""
+}

cmd/pmp/buildinfo_test.go

@@ -0,0 +1,96 @@
+package main
+
+import (
+	"runtime/debug"
+	"testing"
+)
+
+func TestResolveVersionInfoPrefersLdflags(t *testing.T) {
+	t.Cleanup(func() {
+		readBuildInfo = debug.ReadBuildInfo
+	})
+
+	readBuildInfo = func() (*debug.BuildInfo, bool) {
+		return &debug.BuildInfo{
+			Main: debug.Module{
+				Path:    "github.com/singl3focus/pmp/cmd/pmp",
+				Version: "v0.2.0",
+			},
+			Settings: []debug.BuildSetting{
+				{Key: "vcs.revision", Value: "deadbeef"},
+				{Key: "vcs.time", Value: "2026-04-05T12:00:00Z"},
+			},
+		}, true
+	}
+
+	build := resolveVersionInfo("v9.9.9", "abc123", "2026-04-01T00:00:00Z")
+	if build.Version != "v9.9.9" {
+		t.Fatalf("expected ldflags version to win, got %q", build.Version)
+	}
+	if build.Commit != "abc123" {
+		t.Fatalf("expected ldflags commit to win, got %q", build.Commit)
+	}
+	if build.Date != "2026-04-01T00:00:00Z" {
+		t.Fatalf("expected ldflags date to win, got %q", build.Date)
+	}
+}
+
+func TestResolveVersionInfoFallsBackToBuildInfo(t *testing.T) {
+	t.Cleanup(func() {
+		readBuildInfo = debug.ReadBuildInfo
+	})
+
+	readBuildInfo = func() (*debug.BuildInfo, bool) {
+		return &debug.BuildInfo{
+			Main: debug.Module{
+				Path:    "github.com/singl3focus/pmp/cmd/pmp",
+				Version: "v0.2.0",
+			},
+			Settings: []debug.BuildSetting{
+				{Key: "vcs.revision", Value: "deadbeef"},
+				{Key: "vcs.time", Value: "2026-04-05T12:00:00Z"},
+			},
+		}, true
+	}
+
+	build := resolveVersionInfo("dev", "none", "unknown")
+	if build.Version != "v0.2.0" {
+		t.Fatalf("expected module version from build info, got %q", build.Version)
+	}
+	if build.Commit != "deadbeef" {
+		t.Fatalf("expected vcs revision from build info, got %q", build.Commit)
+	}
+	if build.Date != "2026-04-05T12:00:00Z" {
+		t.Fatalf("expected vcs time from build info, got %q", build.Date)
+	}
+}
+
+func TestResolveVersionInfoKeepsDevWhenBuildInfoIsDevel(t *testing.T) {
+	t.Cleanup(func() {
+		readBuildInfo = debug.ReadBuildInfo
+	})
+
+	readBuildInfo = func() (*debug.BuildInfo, bool) {
+		return &debug.BuildInfo{
+			Main: debug.Module{
+				Path:    "github.com/singl3focus/pmp/cmd/pmp",
+				Version: "(devel)",
+			},
+			Settings: []debug.BuildSetting{
+				{Key: "vcs.revision", Value: "deadbeef"},
+				{Key: "vcs.time", Value: "2026-04-05T12:00:00Z"},
+			},
+		}, true
+	}
+
+	build := resolveVersionInfo("dev", "none", "unknown")
+	if build.Version != "dev" {
+		t.Fatalf("expected dev version to remain for local builds, got %q", build.Version)
+	}
+	if build.Commit != "deadbeef" {
+		t.Fatalf("expected vcs revision from build info, got %q", build.Commit)
+	}
+	if build.Date != "2026-04-05T12:00:00Z" {
+		t.Fatalf("expected vcs time from build info, got %q", build.Date)
+	}
+}

cmd/pmp/main.go

@@ -16,11 +16,7 @@ var (
 func main() {
 	initConsole()
 
-	if err := cli.Execute(os.Args[1:], cli.VersionInfo{
-		Version: version,
-		Commit:  commit,
-		Date:    date,
-	}); err != nil {
+	if err := cli.Execute(os.Args[1:], resolveVersionInfo(version, commit, date)); err != nil {
 		fmt.Fprintln(os.Stderr, err)
 		os.Exit(1)
 	}