Make filename globs case-insensitive (#196)

cmd/run.go

@@ -546,11 +546,11 @@ func FilterGlob(vs []string, matcher string) []string {
 		return vs
 	}
 
-	g := glob.MustCompile(matcher)
+	g := glob.MustCompile(strings.ToLower(matcher))
 
 	vsf := make([]string, 0)
 	for _, v := range vs {
-		if res := g.Match(v); res {
+		if res := g.Match(strings.ToLower(v)); res {
 			vsf = append(vsf, v)
 		}
 	}

cmd/run_test.go

@@ -0,0 +1,16 @@
+package cmd
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestFilterGlob(t *testing.T) {
+	files := []string{"path/to/file.jpg", "path/to/file.png", "path/to/file.go", "path/to/another-file.JPG"}
+	pattern := "*.{jpg,PNG}"
+	result := FilterGlob(files, pattern)
+
+	expected := []string{"path/to/file.jpg", "path/to/file.png", "path/to/another-file.JPG"}
+	assert.ElementsMatch(t, expected, result)
+}