Add REUSE-compliant copyright headers

.gitignore

@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: 2021 Yoran Heling <projects@yorhel.nl>
+# SPDX-License-Identifier: MIT
+
 *.swp
 *~
 ncdu.1

COPYING

@@ -1,20 +0,0 @@
-Copyright (c) 2007-2021 Yoran Heling
-
-Permission is hereby granted, free of charge, to any person obtaining
-a copy of this software and associated documentation files (the
-"Software"), to deal in the Software without restriction, including
-without limitation the rights to use, copy, modify, merge, publish,
-distribute, sublicense, and/or sell copies of the Software, and to
-permit persons to whom the Software is furnished to do so, subject to
-the following conditions:
-
-The above copyright notice and this permission notice shall be included
-in all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
-IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
-CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
-TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
-SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

ChangeLog

@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: 2021 Yoran Heling <projects@yorhel.nl>
+# SPDX-License-Identifier: MIT
+
 1.15.1 - 2020-06-10
 	- (Linux) Fix build on older Linux systems (Christian Göttsche)
 	- (MacOS) Revert "Exclude firmlinks by default" behavior (until we have a better solution)

LICENSES/MIT.txt

@@ -0,0 +1,9 @@
+MIT License
+
+Copyright (c) <year> <copyright holders>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

Makefile

@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: 2021 Yoran Heling <projects@yorhel.nl>
+# SPDX-License-Identifier: MIT
+
 # Optional semi-standard Makefile with some handy tools.
 # Ncdu itself can be built with just the zig build system.
 
@@ -7,12 +10,12 @@ MANDIR ?= ${PREFIX}/share/man/man1
 
 NCDU_VERSION=$(shell grep 'program_version = "' src/main.zig | sed -e 's/^.*"\(.\+\)".*$$/\1/')
 
-debug:
-	zig build
-
 release:
 	zig build -Drelease-fast
 
+debug:
+	zig build
+
 clean:
 	rm -rf zig-cache zig-out
 

README.md

@@ -1,3 +1,8 @@
+<!--
+SPDX-FileCopyrightText: 2021 Yoran Heling <projects@yorhel.nl>
+SPDX-License-Identifier: MIT
+-->
+
 # ncdu-zig
 
 ## Description

build.zig

@@ -1,3 +1,6 @@
+// SPDX-FileCopyrightText: 2021 Yoran Heling <projects@yorhel.nl>
+// SPDX-License-Identifier: MIT
+
 const std = @import("std");
 
 pub fn build(b: *std.build.Builder) void {

ncdu.pod

@@ -1,3 +1,6 @@
+SPDX-FileCopyrightText: 2021 Yoran Heling <projects@yorhel.nl>
+SPDX-License-Identifier: MIT
+
 =head1 NAME
 
 B<ncdu> - NCurses Disk Usage

src/browser.zig

@@ -1,3 +1,6 @@
+// SPDX-FileCopyrightText: 2021 Yoran Heling <projects@yorhel.nl>
+// SPDX-License-Identifier: MIT
+
 const std = @import("std");
 const main = @import("main.zig");
 const model = @import("model.zig");

src/delete.zig

@@ -1,3 +1,6 @@
+// SPDX-FileCopyrightText: 2021 Yoran Heling <projects@yorhel.nl>
+// SPDX-License-Identifier: MIT
+
 const std = @import("std");
 const main = @import("main.zig");
 const model = @import("model.zig");

src/main.zig

@@ -1,3 +1,6 @@
+// SPDX-FileCopyrightText: 2021 Yoran Heling <projects@yorhel.nl>
+// SPDX-License-Identifier: MIT
+
 pub const program_version = "2.0-dev";
 
 const std = @import("std");

src/model.zig

@@ -1,3 +1,6 @@
+// SPDX-FileCopyrightText: 2021 Yoran Heling <projects@yorhel.nl>
+// SPDX-License-Identifier: MIT
+
 const std = @import("std");
 const main = @import("main.zig");
 const ui = @import("ui.zig");

src/ncurses_refs.c

@@ -1,3 +1,7 @@
+/* SPDX-FileCopyrightText: 2021 Yoran Heling <projects@yorhel.nl>
+ * SPDX-License-Identifier: MIT
+ */
+
 #include <curses.h>
 
 /* Zig @cImport() has problems with the ACS_* macros. Two, in fact:

src/scan.zig

@@ -1,3 +1,6 @@
+// SPDX-FileCopyrightText: 2021 Yoran Heling <projects@yorhel.nl>
+// SPDX-License-Identifier: MIT
+
 const std = @import("std");
 const main = @import("main.zig");
 const model = @import("model.zig");

src/ui.zig

@@ -1,3 +1,6 @@
+// SPDX-FileCopyrightText: 2021 Yoran Heling <projects@yorhel.nl>
+// SPDX-License-Identifier: MIT
+
 // Ncurses wrappers and TUI helper functions.
 
 const std = @import("std");

src/util.zig

@@ -1,3 +1,6 @@
+// SPDX-FileCopyrightText: 2021 Yoran Heling <projects@yorhel.nl>
+// SPDX-License-Identifier: MIT
+
 const std = @import("std");
 
 pub fn saturateAdd(a: anytype, b: @TypeOf(a)) @TypeOf(a) {