Clarify licensing

src/glacier

@@ -1,12 +1,20 @@
 #!/bin/sh
 # Glacier - manage installed packages on a Linux system
-# This program is free software - you can distribute it
-# under the terms of the GNU General Public License v3.0,
-# or at your option, any later version.
+#
+# This file is part of Glacier.
+#
+# Glacier is free software: you can redistribute it
+# and/or modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation, either version 3
+# of the License, or (at your option) any later version.
+#
+# Glacier is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+# See the GNU General Public License for more details.
 
-# A copy of the GNU General Public License should have been
-# recieved along with this program. If not, see
-# <https://www.gnu.org/licenses>
+# You should have received a copy of the GNU General Public License
+# along with Glacier. If not, see <https://www.gnu.org/licenses/>. 
 
 source /etc/glacier/hooks
 

src/glacier-mkimg/glacier-mkimg

@@ -1,4 +1,20 @@
 #!/bin/sh
+# glacier-mkimg - Generate a root filesystem image
+#
+# This file is part of Glacier.
+#
+# Glacier is free software: you can redistribute it
+# and/or modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation, either version 3
+# of the License, or (at your option) any later version.
+#
+# Glacier is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+# See the GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with Glacier. If not, see <https://www.gnu.org/licenses/>.
 
 get_toolchain() {
 	printf ">> Downloading toolchain sources...\n"

src/int-check/main.c

@@ -1,6 +1,19 @@
-/* Glacier Integrity Check
- * Small program to check file checksums
- */
+/* Copyright (C) 2022-2023 Everest Linux Developers
+
+   This file is part Glacier.
+
+   Glacier is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License
+   as published by the Free Software Foundation, either version 3
+   of the License, or (at your option) any later version.
+
+   Glacier is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+   See the GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with Glacier. If not, see <https://www.gnu.org/licenses/>.	*/
 
 #include <stdio.h>
 #include<string.h>