lxd-imagebuilder: Fixed multiple sys files not copied issue

Driver like vioinput has multiple sys files `viohidkmdf.sys` and `vioinput.sys`,
without `vioinput.sys` copied, the vioinput driver not work correctly.

The fix add the multiple files copied back.

Signed-off-by: JUN JIE NAN <[email protected]>
(cherry picked from commit 44f0a4f35072aeada023fa5bd3a0094d51fce055)
Signed-off-by: Din Music <[email protected]>
License: Apache-2.0

lxd-imagebuilder/main_repack-windows.go

@@ -481,25 +481,29 @@ func (c *cmdRepackWindows) injectDrivers(infDir, driversDir, filerepositoryDir,
 		}
 
 		for ext, dir := range map[string]string{"inf": infDir, "cat": driversDir, "dll": driversDir, "sys": driversDir} {
-			driverPath, err := shared.FindFirstMatch(sourceDir, fmt.Sprintf("*.%s", ext))
+			sourceMatches, err := shared.FindAllMatches(sourceDir, fmt.Sprintf("*.%s", ext))
 			if err != nil {
 				logger.Debugf("failed to find first match %q %q", driverName, ext)
 				continue
 			}
 
-			targetName := filepath.Base(driverPath)
-			if err = shared.Copy(driverPath, filepath.Join(targetBaseDir, targetName)); err != nil {
-				return err
-			}
+			for _, sourcePath := range sourceMatches {
+				targetName := filepath.Base(sourcePath)
+				targetPath := filepath.Join(targetBaseDir, targetName)
+				if err = shared.Copy(sourcePath, targetPath); err != nil {
+					return err
+				}
 
-			if ext == "cat" {
-				continue
-			} else if ext == "inf" {
-				targetName = infFilename
-			}
+				if ext == "cat" {
+					continue
+				} else if ext == "inf" {
+					targetName = infFilename
+				}
 
-			if err = shared.Copy(driverPath, filepath.Join(dir, targetName)); err != nil {
-				return err
+				targetPath = filepath.Join(dir, targetName)
+				if err = shared.Copy(sourcePath, targetPath); err != nil {
+					return err
+				}
 			}
 		}
 

shared/util.go

@@ -68,15 +68,26 @@ func CaseInsensitive(s string) (pattern string) {
 	return
 }
 
-// FindFirstMatch find the first file case insensitive.
+// FindFirstMatch find the first matched file case insensitive.
 func FindFirstMatch(dir string, elem ...string) (found string, err error) {
+	matches, err := FindAllMatches(dir, elem...)
+	if err != nil {
+		return
+	}
+
+	found = matches[0]
+	return
+}
+
+// FindAllMatches find all the matched files case insensitive.
+func FindAllMatches(dir string, elem ...string) (matches []string, err error) {
 	names := []string{dir}
 	for _, name := range elem {
 		names = append(names, CaseInsensitive(name))
 	}
 
 	pattern := filepath.Join(names...)
-	matches, err := filepath.Glob(pattern)
+	matches, err = filepath.Glob(pattern)
 	if err != nil {
 		return
 	}
@@ -86,7 +97,6 @@ func FindFirstMatch(dir string, elem ...string) (found string, err error) {
 		return
 	}
 
-	found = matches[0]
 	return
 }
 

shared/util_test.go

@@ -4,6 +4,7 @@ import (
 	"log"
 	"os"
 	"path/filepath"
+	"slices"
 	"testing"
 
 	"github.com/flosch/pongo2/v4"
@@ -241,6 +242,43 @@ func TestCaseInsensitive(t *testing.T) {
 	}
 }
 
+func findMatchHelper(t *testing.T, filenames ...string) (dir string, actuals []string, rb func()) {
+	t.Helper()
+	dir, err := os.MkdirTemp("", "findmatch*")
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	actuals = make([]string, len(filenames))
+	for i, filename := range filenames {
+		filename = filepath.Join(dir, filename)
+		err = os.MkdirAll(filepath.Dir(filename), 0755)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		file, err := os.Create(filename)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		err = file.Close()
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		actuals[i] = filename
+	}
+
+	rb = func() {
+		err = os.RemoveAll(dir)
+		if err != nil {
+			t.Fatal(err)
+		}
+	}
+	return
+}
+
 func TestFindFirstMatch(t *testing.T) {
 	tcs := []struct {
 		name   string
@@ -254,35 +292,42 @@ func TestFindFirstMatch(t *testing.T) {
 
 	for _, tc := range tcs {
 		t.Run(tc.name, func(t *testing.T) {
-			dir, err := filepath.Abs("testing")
-			if err != nil {
-				t.Fatal(err)
-			}
-
-			actual := filepath.Join(dir, tc.actual)
-			err = os.MkdirAll(filepath.Dir(actual), 0755)
+			dir, actuals, rb := findMatchHelper(t, tc.actual)
+			defer rb()
+			actual := actuals[0]
+			want, err := FindFirstMatch(dir, tc.name)
 			if err != nil {
 				t.Fatal(err)
 			}
 
-			f, err := os.Create(actual)
-			if err != nil {
-				t.Fatal(err)
+			if want != actual {
+				t.Fatal(want, actual)
 			}
+		})
+	}
+}
 
-			err = f.Close()
-			if err != nil {
-				t.Fatal(err)
-			}
+func TestFindAllMatches(t *testing.T) {
+	tcs := []struct {
+		name      string
+		filenames []string
+	}{
+		{"*.inf", []string{"vioinput.inf"}},
+		{"*.sys", []string{"viohidkmdf.sys", "vioinput.sys"}},
+		{"*.cat", []string{"vioinput.cat"}},
+	}
 
-			defer os.RemoveAll(dir)
-			want, err := FindFirstMatch(dir, tc.name)
+	for _, tc := range tcs {
+		t.Run(tc.name, func(t *testing.T) {
+			dir, actuals, rb := findMatchHelper(t, tc.filenames...)
+			defer rb()
+			matches, err := FindAllMatches(dir, tc.name)
 			if err != nil {
 				t.Fatal(err)
 			}
 
-			if want != actual {
-				t.Fatal(want, actual)
+			if !slices.Equal(matches, actuals) {
+				t.Fatal(matches, actuals)
 			}
 		})
 	}