add an external API

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

1 files changed, 44 insertions, 0 deletions

diff --git a/cmd/xesite/api.go b/cmd/xesite/api.go
new file mode 100644
index 0000000..35bb5ae
--- /dev/null
+++ b/cmd/xesite/api.go
@@ -0,0 +1,44 @@
+package main
+
+import (
+	"context"
+	"os"
+	"os/exec"
+	"runtime"
+
+	"github.com/twitchtv/twirp"
+	"google.golang.org/protobuf/types/known/emptypb"
+	"google.golang.org/protobuf/types/known/timestamppb"
+	"xeiaso.net/v4/internal/lume"
+	"xeiaso.net/v4/pb"
+)
+
+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)
+	}
+
+	result := &pb.BuildInfo{
+		Commit:        commit,
+		GoVersion:     runtime.Version(),
+		DenoVersion:   deno,
+		XesiteVersion: os.Args[0],
+		BuildTime:     timestamppb.New(ms.fs.BuildTime()),
+	}
+
+	if *devel {
+		result.XesiteVersion = "devel"
+	}
+
+	return result, nil
+}