contributing: Use SPDX copyright tags in individually resolved file headers

display/d.legend.vect/draw.c

@@ -4,10 +4,9 @@
  * background. With do_bg=0 compute position of all legend graphic item and draw
  * all.
  *
- * Copyright (C) 2016 by Adam Laza, GSoC 2016, and the GRASS Development Team
- *
- * This program is free software under the GPL (>=v2) Read the COPYING
- * file that comes with GRASS for details.
+ * SPDX-FileCopyrightText: 2016 Adam Laza, GSoC 2016
+ * SPDX-FileCopyrightText: Other GRASS authors
+ * SPDX-License-Identifier: GPL-2.0-or-later
  */
 
 #include <string.h>

display/d.legend/draw.c

@@ -3,9 +3,9 @@
  *    Extracted from original d.legend/main.c for background purpose
  *    Moving to separate file: Adam Laza, GSoC 2016
  *
- *    Copyright (C) 2014 by Hamish Bowman, and the GRASS Development Team*
- *    This program is free software under the GPL (>=v2)
- *    Read the COPYING file that comes with GRASS for details.
+ *    SPDX-FileCopyrightText: 2014 Hamish Bowman
+ *    SPDX-FileCopyrightText: Other GRASS authors
+ *    SPDX-License-Identifier: GPL-2.0-or-later
  */
 
 #include <stdlib.h>

display/d.legend/histogram.c

@@ -2,9 +2,9 @@
  *    Draws a histogram along the left side of a smooth gradient legend
  *    (stats fetching code adapted from d.histogram)
  *
- *    Copyright (C) 2014 by Hamish Bowman, and the GRASS Development Team*
- *    This program is free software under the GPL (>=v2)
- *    Read the COPYING file that comes with GRASS for details.
+ *    SPDX-FileCopyrightText: 2014 Hamish Bowman
+ *    SPDX-FileCopyrightText: Other GRASS authors
+ *    SPDX-License-Identifier: GPL-2.0-or-later
  */
 
 #include <grass/gis.h>

gui/wxpython/gui_core/forms.py

@@ -32,10 +32,8 @@
 .. todo::
     verify option value types
 
-Copyright(C) 2000-2015 by the GRASS Development Team
-
-This program is free software under the GPL(>=v2) Read the file
-COPYING coming with GRASS for details.
+SPDX-FileCopyrightText: 2000-2015 Other GRASS authors
+SPDX-License-Identifier: GPL-2.0-or-later
 
 @author Jan-Oliver Wagner <jan@intevation.de>
 @author Bernhard Reiter <bernhard@intevation.de>

gui/wxpython/xml/grass-gxm.dtd

@@ -1,10 +1,8 @@
 <!--	grass-gxm.dtd
 
-	Copyright (C) 2010 by the GRASS Development Team
+	SPDX-FileCopyrightText: 2010 Other GRASS authors
+	SPDX-License-Identifier: GPL-2.0-or-later
 	Author: Martin Landa <landa.martin gmail.com>
-
-	This program is free software under the GPL (>=v2)
-	Read the file COPYING coming with GRASS for details.
 -->
 
 

gui/wxpython/xml/grass-gxw.dtd

@@ -1,10 +1,8 @@
 <!--	grass-gxw.dtd
 
-	Copyright (C) 2007-2008 by the GRASS Development Team
+	SPDX-FileCopyrightText: 2007-2008 Other GRASS authors
+	SPDX-License-Identifier: GPL-2.0-or-later
 	Author: Martin Landa <landa.martin gmail.com>
-
-	This program is free software under the GPL (>=v2)
-	Read the file COPYING coming with GRASS for details.
 -->
 
 

imagery/i.svm.train/fill.c

@@ -1,12 +1,11 @@
 /*
  * i.svm.train Functions filling svm_problem struct
  *
- *   Copyright 2023 by Maris Nartiss, and the GRASS Development Team
+ *   SPDX-FileCopyrightText: 2023 Maris Nartiss
+ *   SPDX-FileCopyrightText: Other GRASS authors
+ *   SPDX-License-Identifier: GPL-2.0-or-later
  *   Author: Maris Nartiss
  *
- *   This program is free software licensed under the GPL (>=v2).
- *   Read the COPYING file that comes with GRASS for details.
- *
  */
 #include <grass/raster.h>
 #include <grass/glocale.h>

imagery/i.svm.train/fill.h

@@ -1,12 +1,11 @@
 /*
  * i.svm.train Functions filling svm_problem struct
  *
- *   Copyright 2023 by Maris Nartiss, and the GRASS Development Team
+ *   SPDX-FileCopyrightText: 2023 Maris Nartiss
+ *   SPDX-FileCopyrightText: Other GRASS authors
+ *   SPDX-License-Identifier: GPL-2.0-or-later
  *   Author: Maris Nartiss
  *
- *   This program is free software licensed under the GPL (>=v2).
- *   Read the COPYING file that comes with GRASS for details.
- *
  */
 
 #include <grass/config.h>

lib/cairodriver/draw.c

@@ -3,10 +3,10 @@
 
    \brief GRASS cairo display driver
 
-   (C) 2007-2008 by Lars Ahlzen, Glynn Clements and the GRASS Development Team
-
-   This program is free software under the GNU General Public License
-   (>=v2). Read the file COPYING that comes with GRASS for details.
+   SPDX-FileCopyrightText: 2007-2008 Lars Ahlzen
+   SPDX-FileCopyrightText: 2007-2008 Glynn Clements
+   SPDX-FileCopyrightText: Other GRASS authors
+   SPDX-License-Identifier: GPL-2.0-or-later
 
    \author Lars Ahlzen <lars ahlzen.com> (original contributor)
    \author Glynn Clements

lib/datetime/between.c

@@ -1,8 +1,8 @@
 /*
- * Copyright (C) 1995.  Bill Brown <brown@gis.uiuc.edu> & Michael Shapiro
- *
- * This program is free software under the GPL (>=v2)
- * Read the file GPL.TXT coming with GRASS for details.
+ * SPDX-FileCopyrightText: 1995 Bill Brown <brown@gis.uiuc.edu>
+ * SPDX-FileCopyrightText: 1995 Michael Shapiro
+ * SPDX-FileCopyrightText: Other GRASS authors
+ * SPDX-License-Identifier: GPL-2.0-or-later
  */
 int datetime_is_between(int x, int a, int b)
 {

lib/datetime/change.c

@@ -1,8 +1,8 @@
 /*
- * Copyright (C) 1995.  Bill Brown <brown@gis.uiuc.edu> & Michael Shapiro
- *
- * This program is free software under the GPL (>=v2)
- * Read the file GPL.TXT coming with GRASS for details.
+ * SPDX-FileCopyrightText: 1995 Bill Brown <brown@gis.uiuc.edu>
+ * SPDX-FileCopyrightText: 1995 Michael Shapiro
+ * SPDX-FileCopyrightText: Other GRASS authors
+ * SPDX-License-Identifier: GPL-2.0-or-later
  */
 #include <grass/datetime.h>
 

lib/datetime/copy.c

@@ -1,8 +1,8 @@
 /*
- * Copyright (C) 1995.  Bill Brown <brown@gis.uiuc.edu> & Michael Shapiro
- *
- * This program is free software under the GPL (>=v2)
- * Read the file GPL.TXT coming with GRASS for details.
+ * SPDX-FileCopyrightText: 1995 Bill Brown <brown@gis.uiuc.edu>
+ * SPDX-FileCopyrightText: 1995 Michael Shapiro
+ * SPDX-FileCopyrightText: Other GRASS authors
+ * SPDX-License-Identifier: GPL-2.0-or-later
  */
 #include <string.h>
 #include <grass/datetime.h>

lib/datetime/diff.c

@@ -1,8 +1,8 @@
 /*
- * Copyright (C) 1995.  Bill Brown <brown@gis.uiuc.edu> & Michael Shapiro
- *
- * This program is free software under the GPL (>=v2)
- * Read the file GPL.TXT coming with GRASS for details.
+ * SPDX-FileCopyrightText: 1995 Bill Brown <brown@gis.uiuc.edu>
+ * SPDX-FileCopyrightText: 1995 Michael Shapiro
+ * SPDX-FileCopyrightText: Other GRASS authors
+ * SPDX-License-Identifier: GPL-2.0-or-later
  */
 #include <stdlib.h>
 #include <grass/datetime.h>

lib/datetime/error.c

@@ -1,8 +1,8 @@
 /*
- * Copyright (C) 1995.  Bill Brown <brown@gis.uiuc.edu> & Michael Shapiro
- *
- * This program is free software under the GPL (>=v2)
- * Read the file GPL.TXT coming with GRASS for details.
+ * SPDX-FileCopyrightText: 1995 Bill Brown <brown@gis.uiuc.edu>
+ * SPDX-FileCopyrightText: 1995 Michael Shapiro
+ * SPDX-FileCopyrightText: Other GRASS authors
+ * SPDX-License-Identifier: GPL-2.0-or-later
  */
 #include <string.h>
 

lib/datetime/format.c

@@ -1,8 +1,8 @@
 /*
- * Copyright (C) 1995.  Bill Brown <brown@gis.uiuc.edu> & Michael Shapiro
- *
- * This program is free software under the GPL (>=v2)
- * Read the file GPL.TXT coming with GRASS for details.
+ * SPDX-FileCopyrightText: 1995 Bill Brown <brown@gis.uiuc.edu>
+ * SPDX-FileCopyrightText: 1995 Michael Shapiro
+ * SPDX-FileCopyrightText: Other GRASS authors
+ * SPDX-License-Identifier: GPL-2.0-or-later
  */
 #include <stdio.h>
 #include <string.h>

lib/datetime/incr1.c

@@ -1,8 +1,8 @@
 /*
- * Copyright (C) 1995.  Bill Brown <brown@gis.uiuc.edu> & Michael Shapiro
- *
- * This program is free software under the GPL (>=v2)
- * Read the file GPL.TXT coming with GRASS for details.
+ * SPDX-FileCopyrightText: 1995 Bill Brown <brown@gis.uiuc.edu>
+ * SPDX-FileCopyrightText: 1995 Michael Shapiro
+ * SPDX-FileCopyrightText: Other GRASS authors
+ * SPDX-License-Identifier: GPL-2.0-or-later
  */
 #include <grass/datetime.h>
 

lib/datetime/incr2.c

@@ -1,8 +1,8 @@
 /*
- * Copyright (C) 1995.  Bill Brown <brown@gis.uiuc.edu> & Michael Shapiro
- *
- * This program is free software under the GPL (>=v2)
- * Read the file GPL.TXT coming with GRASS for details.
+ * SPDX-FileCopyrightText: 1995 Bill Brown <brown@gis.uiuc.edu>
+ * SPDX-FileCopyrightText: 1995 Michael Shapiro
+ * SPDX-FileCopyrightText: Other GRASS authors
+ * SPDX-License-Identifier: GPL-2.0-or-later
  */
 #include <grass/datetime.h>
 

lib/datetime/incr3.c

@@ -1,8 +1,8 @@
 /*
- * Copyright (C) 1995.  Bill Brown <brown@gis.uiuc.edu> & Michael Shapiro
- *
- * This program is free software under the GPL (>=v2)
- * Read the file GPL.TXT coming with GRASS for details.
+ * SPDX-FileCopyrightText: 1995 Bill Brown <brown@gis.uiuc.edu>
+ * SPDX-FileCopyrightText: 1995 Michael Shapiro
+ * SPDX-FileCopyrightText: Other GRASS authors
+ * SPDX-License-Identifier: GPL-2.0-or-later
  */
 #include <grass/datetime.h>
 

lib/datetime/local.c

@@ -1,8 +1,8 @@
 /*
- * Copyright (C) 1995.  Bill Brown <brown@gis.uiuc.edu> & Michael Shapiro
- *
- * This program is free software under the GPL (>=v2)
- * Read the file GPL.TXT coming with GRASS for details.
+ * SPDX-FileCopyrightText: 1995 Bill Brown <brown@gis.uiuc.edu>
+ * SPDX-FileCopyrightText: 1995 Michael Shapiro
+ * SPDX-FileCopyrightText: Other GRASS authors
+ * SPDX-License-Identifier: GPL-2.0-or-later
  */
 #include <time.h>
 #include <grass/datetime.h>

lib/datetime/misc.c

@@ -1,8 +1,8 @@
 /*
- * Copyright (C) 1995.  Bill Brown <brown@gis.uiuc.edu> & Michael Shapiro
- *
- * This program is free software under the GPL (>=v2)
- * Read the file GPL.TXT coming with GRASS for details.
+ * SPDX-FileCopyrightText: 1995 Bill Brown <brown@gis.uiuc.edu>
+ * SPDX-FileCopyrightText: 1995 Michael Shapiro
+ * SPDX-FileCopyrightText: Other GRASS authors
+ * SPDX-License-Identifier: GPL-2.0-or-later
  */
 #include <grass/datetime.h>
 

lib/datetime/same.c

@@ -1,8 +1,8 @@
 /*
- * Copyright (C) 1995.  Bill Brown <brown@gis.uiuc.edu> & Michael Shapiro
- *
- * This program is free software under the GPL (>=v2)
- * Read the file GPL.TXT coming with GRASS for details.
+ * SPDX-FileCopyrightText: 1995 Bill Brown <brown@gis.uiuc.edu>
+ * SPDX-FileCopyrightText: 1995 Michael Shapiro
+ * SPDX-FileCopyrightText: Other GRASS authors
+ * SPDX-License-Identifier: GPL-2.0-or-later
  */
 #include <string.h>
 #include <grass/datetime.h>

lib/datetime/scan.c

@@ -1,8 +1,8 @@
 /*
- * Copyright (C) 1995.  Bill Brown <brown@gis.uiuc.edu> & Michael Shapiro
- *
- * This program is free software under the GPL (>=v2)
- * Read the file GPL.TXT coming with GRASS for details.
+ * SPDX-FileCopyrightText: 1995 Bill Brown <brown@gis.uiuc.edu>
+ * SPDX-FileCopyrightText: 1995 Michael Shapiro
+ * SPDX-FileCopyrightText: Other GRASS authors
+ * SPDX-License-Identifier: GPL-2.0-or-later
  */
 #include <stdio.h>
 #include <string.h>

lib/datetime/sign.c

@@ -1,8 +1,8 @@
 /*
- * Copyright (C) 1995.  Bill Brown <brown@gis.uiuc.edu> & Michael Shapiro
- *
- * This program is free software under the GPL (>=v2)
- * Read the file GPL.TXT coming with GRASS for details.
+ * SPDX-FileCopyrightText: 1995 Bill Brown <brown@gis.uiuc.edu>
+ * SPDX-FileCopyrightText: 1995 Michael Shapiro
+ * SPDX-FileCopyrightText: Other GRASS authors
+ * SPDX-License-Identifier: GPL-2.0-or-later
  */
 #include <grass/datetime.h>
 

lib/datetime/type.c

@@ -1,8 +1,8 @@
 /*
- * Copyright (C) 1995.  Bill Brown <brown@gis.uiuc.edu> & Michael Shapiro
- *
- * This program is free software under the GPL (>=v2)
- * Read the file GPL.TXT coming with GRASS for details.
+ * SPDX-FileCopyrightText: 1995 Bill Brown <brown@gis.uiuc.edu>
+ * SPDX-FileCopyrightText: 1995 Michael Shapiro
+ * SPDX-FileCopyrightText: Other GRASS authors
+ * SPDX-License-Identifier: GPL-2.0-or-later
  */
 #include <grass/datetime.h>
 

lib/datetime/tz1.c

@@ -1,8 +1,8 @@
 /*
- * Copyright (C) 1995.  Bill Brown <brown@gis.uiuc.edu> & Michael Shapiro
- *
- * This program is free software under the GPL (>=v2)
- * Read the file GPL.TXT coming with GRASS for details.
+ * SPDX-FileCopyrightText: 1995 Bill Brown <brown@gis.uiuc.edu>
+ * SPDX-FileCopyrightText: 1995 Michael Shapiro
+ * SPDX-FileCopyrightText: Other GRASS authors
+ * SPDX-License-Identifier: GPL-2.0-or-later
  */
 #include <grass/datetime.h>
 

lib/datetime/tz2.c

@@ -1,8 +1,8 @@
 /*
- * Copyright (C) 1995.  Bill Brown <brown@gis.uiuc.edu> & Michael Shapiro
- *
- * This program is free software under the GPL (>=v2)
- * Read the file GPL.TXT coming with GRASS for details.
+ * SPDX-FileCopyrightText: 1995 Bill Brown <brown@gis.uiuc.edu>
+ * SPDX-FileCopyrightText: 1995 Michael Shapiro
+ * SPDX-FileCopyrightText: Other GRASS authors
+ * SPDX-License-Identifier: GPL-2.0-or-later
  */
 #include <grass/datetime.h>
 

lib/datetime/values.c

@@ -1,8 +1,8 @@
 /*
- * Copyright (C) 1995.  Bill Brown <brown@gis.uiuc.edu> & Michael Shapiro
- *
- * This program is free software under the GPL (>=v2)
- * Read the file GPL.TXT coming with GRASS for details.
+ * SPDX-FileCopyrightText: 1995 Bill Brown <brown@gis.uiuc.edu>
+ * SPDX-FileCopyrightText: 1995 Michael Shapiro
+ * SPDX-FileCopyrightText: Other GRASS authors
+ * SPDX-License-Identifier: GPL-2.0-or-later
  */
 #include <grass/datetime.h>
 

lib/db/README.md

@@ -29,14 +29,11 @@ Further authors:
 
 ### Copyright
 
-(C) 2003-2024 by the GRASS Development Team
+SPDX-FileCopyrightText: 2003-2024 Other GRASS authors
+SPDX-License-Identifier: GPL-2.0-or-later
 
 ### License
 
-This program is free software under the GNU General Public
-License (>=v2). Read the file COPYING that comes with GRASS
-for details.
-
 ### Directory contents
 
 - `dbmi/`: DataBase Management Interface (`db_*()` functions)

lib/gis/asprintf.c

@@ -8,11 +8,9 @@
  * Rewritten by Glynn Clements, Sat, 6 Feb 2010
  * Assumes that vsnprintf() is available
  *
- * (C) 2002-2014 by the GRASS Development Team
- * (C) 2010 by Glynn Clements
- *
- * This program is free software under the GNU General Public License
- * (>=v2). Read the file COPYING that comes with GRASS for details.
+ * SPDX-FileCopyrightText: 2010 Glynn Clements
+ * SPDX-FileCopyrightText: Other GRASS authors
+ * SPDX-License-Identifier: GPL-2.0-or-later
  */
 
 #define _GNU_SOURCE /* enable asprintf */