cmd/xesite: fix public API metadata

Signed-off-by: Xe Iaso <me@xeiaso.net>

1 files changed, 14 insertions, 6 deletions

diff --git a/cmd/xesite/api.go b/cmd/xesite/api.go
index 35bb5ae..958396f 100644
--- a/cmd/xesite/api.go
+++ b/cmd/xesite/api.go
@@ -5,6 +5,7 @@ import (
 	"os"
 	"os/exec"
 	"runtime"
+	"strings"
 
 	"github.com/twitchtv/twirp"
 	"google.golang.org/protobuf/types/known/emptypb"
@@ -13,16 +14,23 @@ import (
 	"xeiaso.net/v4/pb"
 )
 
+var denoVersion string
+
+func init() {
+	cmd := exec.Command("deno", "--version")
+	out, err := cmd.CombinedOutput()
+	if err != nil {
+		denoVersion = "unknown"
+		return
+	}
+	denoVersion = strings.Split(strings.TrimSpace(string(out)), "\n")[0]
+}
+
 type MetaServer struct {
 	fs *lume.FS
 }
 
 func (ms *MetaServer) Metadata(ctx context.Context, _ *emptypb.Empty) (*pb.BuildInfo, error) {
-	deno, err := exec.LookPath("deno")
-	if err != nil {
-		return nil, twirp.InternalErrorf("can't find deno in $PATH: %w", err)
-	}
-
 	commit, err := ms.fs.Commit()
 	if err != nil {
 		return nil, twirp.InternalErrorf("can't get commit hash: %w", err)
@@ -31,7 +39,7 @@ func (ms *MetaServer) Metadata(ctx context.Context, _ *emptypb.Empty) (*pb.Build
 	result := &pb.BuildInfo{
 		Commit:        commit,
 		GoVersion:     runtime.Version(),
-		DenoVersion:   deno,
+		DenoVersion:   denoVersion,
 		XesiteVersion: os.Args[0],
 		BuildTime:     timestamppb.New(ms.fs.BuildTime()),
 	}