Update glob.go

- Rename glob() to globs()
- Add glob() which handles a single glob pattern
- Change glob() and globs() so that they do not return directoreis

internal/status/checksum.go

@@ -28,7 +28,7 @@ func (c *Checksum) IsUpToDate() (bool, error) {
 	data, _ := ioutil.ReadFile(checksumFile)
 	oldMd5 := strings.TrimSpace(string(data))
 
-	sources, err := glob(c.Dir, c.Sources)
+	sources, err := globs(c.Dir, c.Sources)
 	if err != nil {
 		return false, err
 	}

internal/status/glob.go

@@ -1,6 +1,7 @@
 package status
 
 import (
+	"os"
 	"path/filepath"
 	"sort"
 
@@ -9,21 +10,42 @@ import (
 	"github.com/mattn/go-zglob"
 )
 
-func glob(dir string, globs []string) (files []string, err error) {
+func globs(dir string, globs []string) ([]string, error){
+	files := make([]string, 0)
 	for _, g := range globs {
-		if !filepath.IsAbs(g) {
+		f, err := glob(dir, g)
-			g = filepath.Join(dir, g)
-		}
-		g, err = execext.Expand(g)
-		if err != nil {
-			return nil, err
-		}
-		f, err := zglob.Glob(g)
 		if err != nil {
 			continue
 		}
 		files = append(files, f...)
 	}
 	sort.Strings(files)
-	return
+	return files, nil
+}
+
+func glob(dir string, g string) ([]string, error) {
+	files := make([]string, 0)
+	if !filepath.IsAbs(g) {
+		g = filepath.Join(dir, g)
+	}
+	g, err := execext.Expand(g)
+	if err != nil {
+		return nil, err
+	}
+	fs, err := zglob.Glob(g)
+	if err != nil {
+		return nil, err
+	}
+	for _, f := range fs {
+		info, err := os.Stat(f)
+		if err != nil {
+			continue
+		}
+		if info.IsDir() {
+			continue
+		}
+		files = append(files, f)
+	}
+	sort.Strings(files)
+	return files, nil
 }

internal/status/timestamp.go

@@ -19,11 +19,11 @@ func (t *Timestamp) IsUpToDate() (bool, error) {
 		return false, nil
 	}
 
-	sources, err := glob(t.Dir, t.Sources)
+	sources, err := globs(t.Dir, t.Sources)
 	if err != nil {
 		return false, nil
 	}
-	generates, err := glob(t.Dir, t.Generates)
+	generates, err := globs(t.Dir, t.Generates)
 	if err != nil {
 		return false, nil
 	}