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Support atomic directory promotion across platforms

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This commit is contained in:
Eric Rakestraw
2026-08-10 01:58:52 +00:00
parent ef8dae776e
commit 665039f4dc
14 changed files with 215 additions and 36 deletions
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35
internal/fileops/directory_test.go
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@@ -1,3 +1,5 @@
//go:build linux || darwin || windows
package fileops
import (
@@ -5,6 +7,7 @@ import (
"os"
"path/filepath"
"reflect"
"runtime"
"strings"
"testing"
)
@@ -32,22 +35,24 @@ func TestPromoteDirectoryCopiesNestedRegularTree(t *testing.T) {
assertFileBytes(t, filepath.Join(dst, "nested", "binary.dat"), []byte{0, 1, 2, 0xff})
assertFileBytes(t, filepath.Join(dst, "z-last.txt"), []byte("last"))
for _, path := range []string{dst, filepath.Join(dst, "nested"), filepath.Join(dst, "empty")} {
info, err := os.Stat(path)
if err != nil {
t.Fatalf("Stat(%q) error = %v", path, err)
if runtime.GOOS != "windows" {
for _, path := range []string{dst, filepath.Join(dst, "nested"), filepath.Join(dst, "empty")} {
info, err := os.Stat(path)
if err != nil {
t.Fatalf("Stat(%q) error = %v", path, err)
}
if got := info.Mode().Perm(); got != promotedDirectoryMode {
t.Fatalf("directory mode for %q = %o, want %o", path, got, promotedDirectoryMode)
}
}
if got := info.Mode().Perm(); got != promotedDirectoryMode {
t.Fatalf("directory mode for %q = %o, want %o", path, got, promotedDirectoryMode)
}
}
for _, path := range []string{filepath.Join(dst, "a-first.txt"), filepath.Join(dst, "nested", "binary.dat"), filepath.Join(dst, "z-last.txt")} {
info, err := os.Stat(path)
if err != nil {
t.Fatalf("Stat(%q) error = %v", path, err)
}
if got := info.Mode().Perm(); got != promotedFileMode {
t.Fatalf("file mode for %q = %o, want %o", path, got, promotedFileMode)
for _, path := range []string{filepath.Join(dst, "a-first.txt"), filepath.Join(dst, "nested", "binary.dat"), filepath.Join(dst, "z-last.txt")} {
info, err := os.Stat(path)
if err != nil {
t.Fatalf("Stat(%q) error = %v", path, err)
}
if got := info.Mode().Perm(); got != promotedFileMode {
t.Fatalf("file mode for %q = %o, want %o", path, got, promotedFileMode)
}
}
}