feat: support tiff images

closes #126

cliphist.go

@@ -22,6 +22,7 @@ import (
 
 	"go.senan.xyz/flagconf"
 	_ "golang.org/x/image/bmp"
+	_ "golang.org/x/image/tiff"
 
 	bolt "go.etcd.io/bbolt"
 )

cliphist_test.go

@@ -15,6 +15,7 @@ import (
 
 	"github.com/rogpeppe/go-internal/testscript"
 	"golang.org/x/image/bmp"
+	"golang.org/x/image/tiff"
 )
 
 func TestMain(m *testing.M) {
@@ -39,10 +40,11 @@ func TestMain(m *testing.M) {
 			return 0
 		},
 
-		"gif": func() int { _ = gif.Encode(os.Stdout, testImage, nil); return 0 },
-		"jpg": func() int { _ = jpeg.Encode(os.Stdout, testImage, nil); return 0 },
-		"png": func() int { _ = png.Encode(os.Stdout, testImage); return 0 },
-		"bmp": func() int { _ = bmp.Encode(os.Stdout, testImage); return 0 },
+		"gif":  func() int { _ = gif.Encode(os.Stdout, testImage, nil); return 0 },
+		"jpg":  func() int { _ = jpeg.Encode(os.Stdout, testImage, nil); return 0 },
+		"png":  func() int { _ = png.Encode(os.Stdout, testImage); return 0 },
+		"bmp":  func() int { _ = bmp.Encode(os.Stdout, testImage); return 0 },
+		"tiff": func() int { _ = tiff.Encode(os.Stdout, testImage, nil); return 0 },
 	}))
 }
 

testdata/test-image-and-preview-tiff.txtar

@@ -0,0 +1,19 @@
+exec tiff
+cp stdout in.tiff
+
+stdin stdout
+exec cliphist store
+
+# check we render preview
+exec cliphist list
+stdout '\[\[ binary data \d+ KiB tiff 20x20 \]\]'
+
+stdin query
+exec cliphist decode
+cp stdout out.tiff
+
+# check we didn't lose any bytes
+cmp in.tiff out.tiff
+
+-- query --
+1