feat: initial goget release — modern IPv6-first download utility

internal/output/atomic.go

@@ -0,0 +1,29 @@
+//go:build linux || freebsd
+// +build linux freebsd
+
+package output
+
+import (
+	"os"
+	"path/filepath"
+)
+
+// CreateTempFile creates a temporary file in the specified directory for atomic writes.
+func CreateTempFile(dir, pattern string) (*os.File, error) {
+	return os.CreateTemp(dir, pattern)
+}
+
+// AtomicReplace atomically renames a temporary file to its final destination.
+func AtomicReplace(tempPath, finalPath string) error {
+	return os.Rename(tempPath, finalPath)
+}
+
+// CleanupTempFile removes a temporary file at the given path.
+func CleanupTempFile(path string) error {
+	return os.Remove(path)
+}
+
+// GetTempDir returns the directory portion of the given path for temporary file placement.
+func GetTempDir(path string) string {
+	return filepath.Dir(path)
+}