Generate alternative init entries in advanced menu

Add fallback boot entries for alternative installed init systems.  Based
on patches from Michael Biebl and Didier Roche.

Bug-Debian: https://bugs.debian.org/757298
Bug-Debian: https://bugs.debian.org/773173
Forwarded: no
Last-Update: 2017-06-23

Patch-Name: mkconfig-other-inits.patch

diff --git a/util/grub.d/10_linux.in b/util/grub.d/10_linux.in
index 8a74c677bc012d83c38bbae95205b2afbd5f4d69..0cd4cf5c0f8f207c4adbdac25b96071b8700ac9d 100644 (file)
--- a/util/grub.d/10_linux.in
+++ b/util/grub.d/10_linux.in
@@ -32,6 +32,7 @@ export TEXTDOMAIN=@PACKAGE@
 export TEXTDOMAINDIR="@localedir@"
 
 CLASS="--class gnu-linux --class gnu --class os"
+SUPPORTED_INITS="sysvinit:/lib/sysvinit/init systemd:/lib/systemd/systemd upstart:/sbin/upstart"
 
 if [ "x${GRUB_DISTRIBUTOR}" = "x" ] ; then
   OS=GNU/Linux
@@ -127,6 +128,8 @@ linux_entry ()
       case $type in
          recovery)
              title="$(gettext_printf "%s, with Linux %s (%s)" "${os}" "${version}" "$(gettext "${GRUB_RECOVERY_TITLE}")")" ;;
+         init-*)
+             title="$(gettext_printf "%s, with Linux %s (%s)" "${os}" "${version}" "${type#init-}")" ;;
          *)
              title="$(gettext_printf "%s, with Linux %s" "${os}" "${version}")" ;;
       esac
@@ -381,6 +384,13 @@ while [ "x$list" != "x" ] ; do
 
   linux_entry "${OS}" "${version}" advanced \
               "${GRUB_CMDLINE_LINUX} ${GRUB_CMDLINE_LINUX_DEFAULT}"
+  for supported_init in ${SUPPORTED_INITS}; do
+    init_path="${supported_init#*:}"
+    if [ -x "${init_path}" ] && [ "$(readlink -f /sbin/init)" != "$(readlink -f "${init_path}")" ]; then
+      linux_entry "${OS}" "${version}" "init-${supported_init%%:*}" \
+                 "${GRUB_CMDLINE_LINUX} ${GRUB_CMDLINE_LINUX_DEFAULT} init=${init_path}"
+    fi
+  done
   if [ "x${GRUB_DISABLE_RECOVERY}" != "xtrue" ]; then
     linux_entry "${OS}" "${version}" recovery \
                 "${GRUB_CMDLINE_LINUX_RECOVERY} ${GRUB_CMDLINE_LINUX}"

diff --git a/util/grub.d/20_linux_xen.in b/util/grub.d/20_linux_xen.in
index f2ee0532bd6892d7c7191581b006838c504933c4..81e5f0d7e47d42483bcb2671bb0ea0f715630167 100644 (file)
--- a/util/grub.d/20_linux_xen.in
+++ b/util/grub.d/20_linux_xen.in
@@ -27,6 +27,7 @@ export TEXTDOMAIN=@PACKAGE@
 export TEXTDOMAINDIR="@localedir@"
 
 CLASS="--class gnu-linux --class gnu --class os --class xen"
+SUPPORTED_INITS="sysvinit:/lib/sysvinit/init systemd:/lib/systemd/systemd upstart:/sbin/upstart"
 
 if [ "x${GRUB_DISTRIBUTOR}" = "x" ] ; then
   OS=GNU/Linux
@@ -106,6 +107,8 @@ linux_entry ()
   if [ x$type != xsimple ] ; then
       if [ x$type = xrecovery ] ; then
          title="$(gettext_printf "%s, with Xen %s and Linux %s (%s)" "${os}" "${xen_version}" "${version}" "$(gettext "${GRUB_RECOVERY_TITLE}")")"
+      elif [ "${type#init-}" != "$type" ] ; then
+         title="$(gettext_printf "%s, with Xen %s and Linux %s (%s)" "${os}" "${xen_version}" "${version}" "${type#init-}")"
       else
          title="$(gettext_printf "%s, with Xen %s and Linux %s" "${os}" "${xen_version}" "${version}")"
       fi
@@ -310,6 +313,14 @@ while [ "x${xen_list}" != "x" ] ; do
 
        linux_entry "${OS}" "${version}" "${xen_version}" advanced \
            "${GRUB_CMDLINE_LINUX} ${GRUB_CMDLINE_LINUX_DEFAULT}" "${GRUB_CMDLINE_XEN} ${GRUB_CMDLINE_XEN_DEFAULT}"
+       for supported_init in ${SUPPORTED_INITS}; do
+           init_path="${supported_init#*:}"
+           if [ -x "${init_path}" ] && [ "$(readlink -f /sbin/init)" != "$(readlink -f "${init_path}")" ]; then
+               linux_entry "${OS}" "${version}" "${xen_version}" "init-${supported_init%%:*}" \
+                   "${GRUB_CMDLINE_LINUX} ${GRUB_CMDLINE_LINUX_DEFAULT} init=${init_path}" "${GRUB_CMDLINE_XEN} ${GRUB_CMDLINE_XEN_DEFAULT}"
+
+           fi
+       done
        if [ "x${GRUB_DISABLE_RECOVERY}" != "xtrue" ]; then
            linux_entry "${OS}" "${version}" "${xen_version}" recovery \
                "single ${GRUB_CMDLINE_LINUX}" "${GRUB_CMDLINE_XEN}"