Initial upload of HyprArch releng configuration

airootfs/usr/include/libcalamares/utils/UMask.h

@@ -0,0 +1,50 @@
+/* === This file is part of Calamares - <https://calamares.io> ===
+ *
+ *   SPDX-FileCopyrightText: 2019 Adriaan de Groot <groot@kde.org>
+ *   SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ *
+ *   Calamares is Free Software: see the License-Identifier above.
+ *
+ *
+ */
+#ifndef UTILS_UMASK_H
+#define UTILS_UMASK_H
+
+#include "DllMacro.h"
+
+#include <sys/types.h>
+
+namespace Calamares
+{
+/** @brief Wrapper for umask(2)
+ *
+ * Like umask(2), sets the umask and returns the previous value of the mask.
+ */
+DLLEXPORT mode_t setUMask( mode_t u );
+
+/** @brief RAII for setting and re-setting umask.
+ *
+ * Create an object of this class to set the umask,
+ * and the umask is reset to its original value when
+ * the object goes out of scope.
+ */
+class DLLEXPORT UMask
+{
+public:
+    UMask( mode_t u );
+    ~UMask();
+
+    /** @brief a "safe" umask
+     *
+     * This umask will switch off group- and other- permissions for
+     * files, so that the file cannot be read, written, or executed
+     * except by the owner.
+     */
+    static constexpr mode_t Safe = 077;  // octal!
+private:
+    mode_t m_mode;
+};
+}  // namespace Calamares
+
+#endif