add an external API

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

1 files changed, 24 insertions, 0 deletions

diff --git a/internal/lume/lume.go b/internal/lume/lume.go
index d4139c0..dd12cf1 100644
--- a/internal/lume/lume.go
+++ b/internal/lume/lume.go
@@ -69,6 +69,8 @@ type FS struct {
 
 	fs   fs.FS
 	lock sync.Mutex
+
+	lastBuildTime time.Time
 }
 
 func (f *FS) Close() error {
@@ -86,6 +88,27 @@ func (f *FS) Close() error {
 	return nil
 }
 
+func (f *FS) Commit() (string, error) {
+	f.lock.Lock()
+	defer f.lock.Unlock()
+
+	commit, err := f.repo.Head()
+	if err != nil {
+		return "", fmt.Errorf("lume: can't get head: %w", err)
+	}
+
+	result := commit.Hash().String()
+
+	return result, nil
+}
+
+func (f *FS) BuildTime() time.Time {
+	f.lock.Lock()
+	defer f.lock.Unlock()
+
+	return f.lastBuildTime
+}
+
 func (f *FS) Open(name string) (fs.File, error) {
 	fin, err := f.fs.Open(name)
 	if err != nil {
@@ -205,6 +228,7 @@ func New(ctx context.Context, o *Options) (*FS, error) {
 			}
 		}()
 	}
+	fs.lastBuildTime = time.Now()
 
 	return fs, nil
 }