The GtkRadiant sources as originally released under the GPL license.

setup/linux/setup_image/setup.data/postinstall.sh.in

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+dnl `uname -m` quoting is a nightmare
+dnl <sander> TTimo: You could do:  &#96;uname -a&#96;
+changequote([, ])
+
+#!/bin/sh
+# post installation script, finalize everything
+
+# The install path is the first argument of the script
+install_path="$1"
+
+# Return the appropriate architecture string
+function DetectARCH {
+	status=1
+	case `uname -m` in
+		i?86)  echo "x86"
+			status=0;;
+		*) case `uname -p` in
+			powerpc) echo "ppc"
+				status=0;;
+			*) echo "unknown"
+				status=0;;
+		esac
+	esac
+	return $status
+}
+arch=`DetectARCH`
+
+# Create a wrapper script
+cat <<__EOF__ >"$install_path/radiant"
+#!/bin/sh
+# Needed to make symlinks/shortcuts work.
+# Run map editor with some default arguments
+
+cd "$install_path"
+radiant="./radiant.$arch"
+# gcc 3.x, trying to reduce ABI issues
+export LD_LIBRARY_PATH=.:\$LD_LIBRARY_PATH
+"\$radiant" \$*
+exit \$?
+__EOF__
+
+chmod 755 "$install_path/radiant"
+
+# Create a q3map2 wrapper script
+cat <<__EOF__ >"$install_path/q3map2"
+#!/bin/sh
+# Needed to make symlinks/shortcuts work.
+
+cd "$install_path"
+q3map2="./q3map2.$arch"
+# gcc 3.x, trying to reduce ABI issues
+export LD_LIBRARY_PATH=.:\$LD_LIBRARY_PATH
+"\$q3map2" \$*
+exit \$?
+__EOF__
+
+chmod 755 "$install_path/q3map2"
+
+# setup the safe guard
+echo "M4_VER_MAJOR" > $install_path/RADIANT_MAJOR
+echo "M4_VER_MINOR" > $install_path/RADIANT_MINOR
+
+# why the fuck is openurl.sh not +x by default anyway
+chmod 755 "$install_path/openurl.sh"