Support GRUB_DISABLE_SUBMENU config.

Inspired by patch from Prarit Bhargava.

ChangeLog

@@ -1,3 +1,9 @@
+2013-11-04  Vladimir Serbinenko  <phcoder@gmail.com>
+
+	Support GRUB_DISABLE_SUBMENU config.
+
+	Inspired by patch from Prarit Bhargava.
+
 2013-11-03  Vladimir Serbinenko  <phcoder@gmail.com>
 
 	* docs/grub.texi: Mention RSA support.

util/grub-mkconfig.in

@@ -215,7 +215,8 @@ export GRUB_DEFAULT \
   GRUB_INIT_TUNE \
   GRUB_SAVEDEFAULT \
   GRUB_ENABLE_CRYPTODISK \
-  GRUB_BADRAM
+  GRUB_BADRAM \
+  GRUB_DISABLE_SUBMENU
 
 if test "x${grub_cfg}" != "x"; then
   rm -f "${grub_cfg}.new"

util/grub.d/10_hurd.in

@@ -151,29 +151,29 @@ title_correction_code=
 # Extra indentation to add to menu entries in a submenu. We're not in a submenu
 # yet, so it's empty. In a submenu it will be equal to '\t' (one tab).
 submenu_indentation=""
-is_first_entry=true
+is_top_level=true
 
 while [ "x$kernels" != "x" ] ; do
   kernel=`version_find_latest $kernels`
 
-  if [ "x$is_first_entry" = xtrue ]; then
+  if [ "x$is_top_level" = xtrue ] && [ "x${GRUB_DISABLE_SUBMENU}" != xy ]; then
       hurd_entry "$kernel" simple
       submenu_indentation="$grub_tab"
     
       # TRANSLATORS: %s is replaced with an OS name
       echo "submenu '$(gettext_printf "Advanced options for %s" "${OS}" | grub_quote)' \$menuentry_id_option 'gnuhurd-advanced-$(grub_get_device_id "${GRUB_DEVICE_BOOT}")' {"
+      is_top_level=false
   fi
 
   hurd_entry "$kernel" advanced
   hurd_entry "$kernel" recovery
 
   kernels=`echo $kernels | tr ' ' '\n' | grep -vx $kernel | tr '\n' ' '`
-  is_first_entry=false
 done
 
 # If at least one kernel was found, then we need to
 # add a closing '}' for the submenu command.
-if [ x"$is_first_entry" != xtrue ]; then
+if [ x"$is_top_level" != xtrue ]; then
   echo '}'
 fi
 

util/grub.d/10_kfreebsd.in

@@ -154,7 +154,7 @@ title_correction_code=
 # yet, so it's empty. In a submenu it will be equal to '\t' (one tab).
 submenu_indentation=""
 
-is_first_entry=true
+is_top_level=true
 
 while [ "x$list" != "x" ] ; do
   kfreebsd=`version_find_latest $list`
@@ -211,7 +211,7 @@ while [ "x$list" != "x" ] ; do
     module_dir_rel=$(make_system_path_relative_to_its_root $module_dir)
   fi
 
-  if [ "x$is_first_entry" = xtrue ]; then
+  if [ "x$is_top_level" = xtrue ] && [ "x${GRUB_DISABLE_SUBMENU}" != xy ]; then
       kfreebsd_entry "${OS}" "${version}" simple
       submenu_indentation="$grub_tab"
     
@@ -220,6 +220,7 @@ while [ "x$list" != "x" ] ; do
       fi
       # TRANSLATORS: %s is replaced with an OS name
       echo "submenu '$(gettext_printf "Advanced options for %s" "${OS}" | grub_quote)' \$menuentry_id_option 'kfreebsd-advanced-$boot_device_id' {"
+      is_top_level=false
   fi
 
   kfreebsd_entry "${OS}" "${version}" advanced
@@ -228,12 +229,11 @@ while [ "x$list" != "x" ] ; do
   fi
 
   list=`echo $list | tr ' ' '\n' | grep -vx $kfreebsd | tr '\n' ' '`
-  is_first_entry=false
 done
 
 # If at least one kernel was found, then we need to
 # add a closing '}' for the submenu command.
-if [ x"$is_first_entry" != xtrue ]; then
+if [ x"$is_top_level" != xtrue ]; then
   echo '}'
 fi
 

util/grub.d/10_linux.in

@@ -179,7 +179,7 @@ title_correction_code=
 # yet, so it's empty. In a submenu it will be equal to '\t' (one tab).
 submenu_indentation=""
 
-is_first_entry=true
+is_top_level=true
 while [ "x$list" != "x" ] ; do
   linux=`version_find_latest $list`
   gettext_printf "Found linux image: %s\n" "$linux" >&2
@@ -226,7 +226,7 @@ while [ "x$list" != "x" ] ; do
     linux_root_device_thisversion=${GRUB_DEVICE}
   fi
 
-  if [ "x$is_first_entry" = xtrue ]; then
+  if [ "x$is_top_level" = xtrue ] && [ "x${GRUB_DISABLE_SUBMENU}" != xy ]; then
     linux_entry "${OS}" "${version}" simple \
     "${GRUB_CMDLINE_LINUX} ${GRUB_CMDLINE_LINUX_DEFAULT}"
 
@@ -237,6 +237,7 @@ while [ "x$list" != "x" ] ; do
     fi
     # TRANSLATORS: %s is replaced with an OS name
     echo "submenu '$(gettext_printf "Advanced options for %s" "${OS}" | grub_quote)' \$menuentry_id_option 'gnulinux-advanced-$boot_device_id' {"
+    is_top_level=false
   fi
 
   linux_entry "${OS}" "${version}" advanced \
@@ -247,12 +248,11 @@ while [ "x$list" != "x" ] ; do
   fi
 
   list=`echo $list | tr ' ' '\n' | grep -vx $linux | tr '\n' ' '`
-  is_first_entry=false
 done
 
 # If at least one kernel was found, then we need to
 # add a closing '}' for the submenu command.
-if [ x"$is_first_entry" != xtrue ]; then
+if [ x"$is_top_level" != xtrue ]; then
   echo '}'
 fi
 

util/grub.d/10_netbsd.in

@@ -146,7 +146,7 @@ pattern="^ELF[^,]*executable.*statically linked"
 # yet, so it's empty. In a submenu it will be equal to '\t' (one tab).
 submenu_indentation=""
 
-is_first_entry=true
+is_top_level=true
 for k in /netbsd $(ls -t /netbsd?* 2>/dev/null) ; do
   if ! grub_file_is_not_garbage "$k" ; then
     continue
@@ -157,7 +157,7 @@ for k in /netbsd $(ls -t /netbsd?* 2>/dev/null) ; do
 
   gettext_printf "Found NetBSD kernel: %s\n" "$k" >&2
 
-  if [ "x$is_first_entry" = xtrue ]; then
+  if [ "x$is_top_level" = xtrue ] && [ "x${GRUB_DISABLE_SUBMENU}" != xy ]; then
       netbsd_entry "knetbsd"   "$k" simple "${GRUB_CMDLINE_NETBSD_DEFAULT}"
     submenu_indentation="$grub_tab"
     
@@ -166,6 +166,7 @@ for k in /netbsd $(ls -t /netbsd?* 2>/dev/null) ; do
     fi
     # TRANSLATORS: %s is replaced with an OS name
     echo "submenu '$(gettext_printf "Advanced options for %s" "${OS}" | grub_quote)' \$menuentry_id_option 'netbsd-advanced-$boot_device_id' {"
+    is_top_level=false
   fi
 
   netbsd_entry "knetbsd"   "$k" advanced "${GRUB_CMDLINE_NETBSD_DEFAULT}"
@@ -174,12 +175,11 @@ for k in /netbsd $(ls -t /netbsd?* 2>/dev/null) ; do
     netbsd_entry "knetbsd"   "$k" recovery "-s"
     netbsd_entry "multiboot" "$k" recovery "-s"
   fi
-  is_first_entry=false
 done
 
 # If at least one kernel was found, then we need to
 # add a closing '}' for the submenu command.
-if [ x"$is_first_entry" != xtrue ]; then
+if [ x"$is_top_level" != xtrue ]; then
   echo '}'
 fi
 

util/grub.d/20_linux_xen.in

@@ -193,7 +193,7 @@ esac
 # yet, so it's empty. In a submenu it will be equal to '\t' (one tab).
 submenu_indentation=""
 
-is_first_entry=true
+is_top_level=true
 
 while [ "x${xen_list}" != "x" ] ; do
     list="${linux_list}"
@@ -205,7 +205,7 @@ while [ "x${xen_list}" != "x" ] ; do
     if [ -z "$boot_device_id" ]; then
 	boot_device_id="$(grub_get_device_id "${GRUB_DEVICE}")"
     fi
-    if [ "x$is_first_entry" != xtrue ]; then
+    if [ "x$is_top_level" != xtrue ]; then
 	echo "	submenu '$(gettext_printf "Xen hypervisor, version %s" "${xen_version}" | grub_quote)' \$menuentry_id_option 'xen-hypervisor-$xen_version-$boot_device_id' {"
     fi
     while [ "x$list" != "x" ] ; do
@@ -239,7 +239,7 @@ while [ "x${xen_list}" != "x" ] ; do
 	    linux_root_device_thisversion=${GRUB_DEVICE}
 	fi
 
-	if [ "x$is_first_entry" = xtrue ]; then
+	if [ "x$is_top_level" = xtrue ] && [ "x${GRUB_DISABLE_SUBMENU}" != xy ]; then
 	    linux_entry "${OS}" "${version}" "${xen_version}" simple \
 		"${GRUB_CMDLINE_LINUX} ${GRUB_CMDLINE_LINUX_DEFAULT}" "${GRUB_CMDLINE_XEN} ${GRUB_CMDLINE_XEN_DEFAULT}"
 
@@ -251,8 +251,8 @@ while [ "x${xen_list}" != "x" ] ; do
             # TRANSLATORS: %s is replaced with an OS name
 	    echo "submenu '$(gettext_printf "Advanced options for %s (with Xen hypervisor)" "${OS}" | grub_quote)' \$menuentry_id_option 'gnulinux-advanced-$boot_device_id' {"
 	echo "	submenu '$(gettext_printf "Xen hypervisor, version %s" "${xen_version}" | grub_quote)' \$menuentry_id_option 'xen-hypervisor-$xen_version-$boot_device_id' {"
+	   is_top_level=false
 	fi
-	is_first_entry=false
 
 	linux_entry "${OS}" "${version}" "${xen_version}" advanced \
 	    "${GRUB_CMDLINE_LINUX} ${GRUB_CMDLINE_LINUX_DEFAULT}" "${GRUB_CMDLINE_XEN} ${GRUB_CMDLINE_XEN_DEFAULT}"
@@ -263,7 +263,7 @@ while [ "x${xen_list}" != "x" ] ; do
 
 	list=`echo $list | tr ' ' '\n' | grep -vx $linux | tr '\n' ' '`
     done
-    if [ x"$is_first_entry" != xtrue ]; then
+    if [ x"$is_top_level" != xtrue ]; then
 	echo '	}'
     fi
     xen_list=`echo $xen_list | tr ' ' '\n' | grep -vx $current_xen | tr '\n' ' '`
@@ -271,7 +271,7 @@ done
 
 # If at least one kernel was found, then we need to
 # add a closing '}' for the submenu command.
-if [ x"$is_first_entry" != xtrue ]; then
+if [ x"$is_top_level" != xtrue ]; then
   echo '}'
 fi
 

util/grub.d/30_os-prober.in

@@ -179,7 +179,7 @@ EOF
       fi
       prepare_boot_cache=
       boot_device_id=
-      is_first_entry=true
+      is_top_level=true
       title_correction_code=
       OS="${LONGNAME}"
 
@@ -215,7 +215,7 @@ EOF
 	  prepare_boot_cache="$(prepare_grub_to_access_device ${LBOOT} | grub_add_tab)"
 	fi
 
-	if [ "x$is_first_entry" = xtrue ]; then
+	if [ "x$is_top_level" = xtrue ] && [ "x${GRUB_DISABLE_SUBMENU}" != xy ]; then
             cat << EOF
 menuentry '$(echo "$OS $onstr" | grub_quote)' --class gnu-linux --class gnu --class os \$menuentry_id_option 'osprober-gnulinux-simple-$boot_device_id' {
 EOF
@@ -233,7 +233,7 @@ EOF
 }
 EOF
 	    echo "submenu '$(gettext_printf "Advanced options for %s" "${OS} $onstr" | grub_quote)' \$menuentry_id_option 'osprober-gnulinux-advanced-$boot_device_id' {"
-	    is_first_entry=false
+	    is_top_level=false
 	fi
 	title="${LLABEL} $onstr"
         cat << EOF
@@ -259,7 +259,7 @@ EOF
 	    grub_warn "$(gettext_printf "Please don't use old title \`%s' for GRUB_DEFAULT, use \`%s' (for versions before 2.00) or \`%s' (for 2.00 or later)" "$GRUB_ACTUAL_DEFAULT" "$replacement_title" "gnulinux-advanced-$boot_device_id>gnulinux-$version-$type-$boot_device_id")"
 	fi
       done
-      if [ x"$is_first_entry" != xtrue ]; then
+      if [ x"$is_top_level" != xtrue ]; then
 	  echo '}'
       fi
       echo "$title_correction_code"