Set a main function

winboot

@@ -1,8 +1,20 @@
 #!/bin/sh
 
-GRUB_DEFAULT_PATH='/etc/default/grub'
-GRUB_DEFAULT_DIR='/etc/default/grub.d'
-WIN_GRUB="2"
+# This script set a specific grub entry (winLOOSE…) for the next boot.
+# Then reboot the host
+
+# Vars {{{
+readonly PROGNAME=$(basename "${0}")
+readonly PROGDIR=$(readlink -m $(dirname "${0}"))
+readonly ARGS="${*}"
+readonly NBARGS="${#}"
+
+readonly GRUB_DEFAULT_PATH='/etc/default/grub'
+readonly GRUB_DEFAULT_DIR='/etc/default/grub.d'
+readonly WIN_GRUB="2"
+# }}}
+
+main() {                                                        # {{{
 
 	# First check in Grub default dir if saved mode is set
 	if grep -q -E -R -- "^GRUB_DEFAULT=saved" "${GRUB_DEFAULT_DIR}"
@@ -25,7 +37,11 @@ else
 		GRUB_DEFAULT_ENTRY=$(grep -E -- "#GRUB_DEFAULT=" "${GRUB_DEFAULT_PATH}" | cut -d"=" -f2)
 		sudo grub-set-default "${GRUB_DEFAULT_ENTRY}"
 		sudo update-grub
-	printf '%b' "Please launch this script once again.\\n"
+		printf '%b' "Please launch this script (${PROGDIR}/${PROGNAME} ${ARGS}) once again.\\n"
 	fi
+}
+# }}}
+
+main
 
 exit 0