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-rw-r--r--util/grub-mkconfig_lib.in375
1 files changed, 375 insertions, 0 deletions
diff --git a/util/grub-mkconfig_lib.in b/util/grub-mkconfig_lib.in
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--- /dev/null
+++ b/util/grub-mkconfig_lib.in
@@ -0,0 +1,375 @@
+# Helper library for grub-mkconfig
+# Copyright (C) 2007,2008,2009,2010 Free Software Foundation, Inc.
+#
+# GRUB 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.
+#
+# GRUB 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 GRUB. If not, see <http://www.gnu.org/licenses/>.
+
+prefix="@prefix@"
+exec_prefix="@exec_prefix@"
+datarootdir="@datarootdir@"
+datadir="@datadir@"
+bindir="@bindir@"
+sbindir="@sbindir@"
+if [ "x$pkgdatadir" = x ]; then
+ pkgdatadir="${datadir}/@PACKAGE@"
+fi
+
+if test "x$grub_probe" = x; then
+ grub_probe="${sbindir}/@grub_probe@"
+fi
+if test "x$grub_file" = x; then
+ grub_file="${bindir}/@grub_file@"
+fi
+if test "x$grub_mkrelpath" = x; then
+ grub_mkrelpath="${bindir}/@grub_mkrelpath@"
+fi
+
+if command -v gettext >/dev/null; then
+ :
+else
+ gettext () {
+ printf "%s" "$@"
+ }
+fi
+
+grub_warn ()
+{
+ echo "$(gettext "Warning:")" "$@" >&2
+}
+
+make_system_path_relative_to_its_root ()
+{
+ "${grub_mkrelpath}" "$1"
+}
+
+is_path_readable_by_grub ()
+{
+ path="$1"
+
+ # abort if path doesn't exist
+ if test -e "$path" ; then : ;else
+ return 1
+ fi
+
+ # abort if file is in a filesystem we can't read
+ if "${grub_probe}" -t fs "$path" > /dev/null 2>&1 ; then : ; else
+ return 1
+ fi
+
+ # ... or if we can't figure out the abstraction module, for example if
+ # memberlist fails on an LVM volume group.
+ if abstractions="`"${grub_probe}" -t abstraction "$path"`" 2> /dev/null ; then
+ :
+ else
+ return 1
+ fi
+
+ if [ x$GRUB_ENABLE_CRYPTODISK = xy ]; then
+ return 0
+ fi
+
+ for abstraction in $abstractions; do
+ if [ "x$abstraction" = xcryptodisk ]; then
+ return 1
+ fi
+ done
+
+ return 0
+}
+
+convert_system_path_to_grub_path ()
+{
+ path="$1"
+
+ grub_warn "convert_system_path_to_grub_path() is deprecated. Use prepare_grub_to_access_device() instead."
+
+ # abort if GRUB can't access the path
+ if is_path_readable_by_grub "${path}" ; then : ; else
+ return 1
+ fi
+
+ if drive="`"${grub_probe}" -t drive "$path"`" ; then : ; else
+ return 1
+ fi
+
+ if relative_path="`make_system_path_relative_to_its_root "$path"`" ; then : ; else
+ return 1
+ fi
+
+ echo "${drive}${relative_path}"
+}
+
+save_default_entry ()
+{
+ if [ "x${GRUB_SAVEDEFAULT}" = "xtrue" ] ; then
+ cat << EOF
+savedefault
+EOF
+ fi
+}
+
+prepare_grub_to_access_device ()
+{
+ old_ifs="$IFS"
+ IFS='
+'
+ partmap="`"${grub_probe}" --device $@ --target=partmap`"
+ for module in ${partmap} ; do
+ case "${module}" in
+ netbsd | openbsd)
+ echo "insmod part_bsd";;
+ *)
+ echo "insmod part_${module}";;
+ esac
+ done
+
+ # Abstraction modules aren't auto-loaded.
+ abstraction="`"${grub_probe}" --device $@ --target=abstraction`"
+ for module in ${abstraction} ; do
+ echo "insmod ${module}"
+ done
+
+ fs="`"${grub_probe}" --device $@ --target=fs`"
+ for module in ${fs} ; do
+ echo "insmod ${module}"
+ done
+
+ if [ x$GRUB_ENABLE_CRYPTODISK = xy ]; then
+ for uuid in `"${grub_probe}" --device $@ --target=cryptodisk_uuid`; do
+ echo "cryptomount -u $uuid"
+ done
+ fi
+
+ # If there's a filesystem UUID that GRUB is capable of identifying, use it;
+ # otherwise set root as per value in device.map.
+ fs_hint="`"${grub_probe}" --device $@ --target=compatibility_hint`"
+ if [ "x$fs_hint" != x ]; then
+ echo "set root='$fs_hint'"
+ fi
+ if [ "x${GRUB_DISABLE_UUID}" != "xtrue" ] && fs_uuid="`"${grub_probe}" --device $@ --target=fs_uuid 2> /dev/null`" ; then
+ hints="`"${grub_probe}" --device $@ --target=hints_string 2> /dev/null`" || hints=
+ if [ "x$hints" != x ]; then
+ echo "if [ x\$feature_platform_search_hint = xy ]; then"
+ echo " search --no-floppy --fs-uuid --set=root ${hints} ${fs_uuid}"
+ echo "else"
+ echo " search --no-floppy --fs-uuid --set=root ${fs_uuid}"
+ echo "fi"
+ else
+ echo "search --no-floppy --fs-uuid --set=root ${fs_uuid}"
+ fi
+ fi
+ IFS="$old_ifs"
+}
+
+grub_get_device_id ()
+{
+ old_ifs="$IFS"
+ IFS='
+'
+ device="$1"
+ if [ "x${GRUB_DISABLE_UUID}" != "xtrue" ] && fs_uuid="`"${grub_probe}" --device ${device} --target=fs_uuid 2> /dev/null`" ; then
+ echo "$fs_uuid";
+ else
+ echo $device |sed 's, ,_,g'
+ fi
+ IFS="$old_ifs"
+}
+
+grub_file_is_not_garbage ()
+{
+ if test -f "$1" ; then
+ case "$1" in
+ *.dpkg-*) return 1 ;; # debian dpkg
+ *.rpmsave|*.rpmnew) return 1 ;;
+ README*|*/README*) return 1 ;; # documentation
+ *.sig) return 1 ;; # signatures
+ esac
+ else
+ return 1
+ fi
+ return 0
+}
+
+version_sort ()
+{
+ case $version_sort_sort_has_v in
+ yes)
+ LC_ALL=C sort -V;;
+ no)
+ LC_ALL=C sort -n;;
+ *)
+ if sort -V </dev/null > /dev/null 2>&1; then
+ version_sort_sort_has_v=yes
+ LC_ALL=C sort -V
+ else
+ version_sort_sort_has_v=no
+ LC_ALL=C sort -n
+ fi;;
+ esac
+}
+
+version_test_numeric ()
+{
+ version_test_numeric_a="$1"
+ version_test_numeric_cmp="$2"
+ version_test_numeric_b="$3"
+ if [ "$version_test_numeric_a" = "$version_test_numeric_b" ] ; then
+ case "$version_test_numeric_cmp" in
+ ge|eq|le) return 0 ;;
+ gt|lt) return 1 ;;
+ esac
+ fi
+ if [ "$version_test_numeric_cmp" = "lt" ] ; then
+ version_test_numeric_c="$version_test_numeric_a"
+ version_test_numeric_a="$version_test_numeric_b"
+ version_test_numeric_b="$version_test_numeric_c"
+ fi
+ if (echo "$version_test_numeric_a" ; echo "$version_test_numeric_b") | version_sort | head -n 1 | grep -qx "$version_test_numeric_b" ; then
+ return 0
+ else
+ return 1
+ fi
+}
+
+version_test_gt ()
+{
+ version_test_gt_a="`echo "$1" | sed -e "s/[^-]*-//"`"
+ version_test_gt_b="`echo "$2" | sed -e "s/[^-]*-//"`"
+ version_test_gt_cmp=gt
+ if [ "x$version_test_gt_b" = "x" ] ; then
+ return 0
+ fi
+ case "$version_test_gt_a:$version_test_gt_b" in
+ *.old:*.old) ;;
+ *.old:*) version_test_gt_a="`echo "$version_test_gt_a" | sed -e 's/\.old$//'`" ; version_test_gt_cmp=gt ;;
+ *:*.old) version_test_gt_b="`echo "$version_test_gt_b" | sed -e 's/\.old$//'`" ; version_test_gt_cmp=ge ;;
+ esac
+ version_test_numeric "$version_test_gt_a" "$version_test_gt_cmp" "$version_test_gt_b"
+ return "$?"
+}
+
+version_find_latest ()
+{
+ version_find_latest_a=""
+ for i in "$@" ; do
+ if version_test_gt "$i" "$version_find_latest_a" ; then
+ version_find_latest_a="$i"
+ fi
+ done
+ echo "$version_find_latest_a"
+}
+
+# One layer of quotation is eaten by "" and the second by sed; so this turns
+# ' into \'.
+grub_quote () {
+ sed "s/'/'\\\\''/g"
+}
+
+gettext_quoted () {
+ gettext "$@" | grub_quote
+}
+
+# Run the first argument through gettext, and then pass that and all
+# remaining arguments to printf. This is a useful abbreviation and tends to
+# be easier to type.
+gettext_printf () {
+ gettext_printf_format="$1"
+ shift
+ printf "$(gettext "$gettext_printf_format")" "$@"
+}
+
+uses_abstraction () {
+ device="$1"
+ old_ifs="$IFS"
+ IFS='
+'
+
+ abstraction="`"${grub_probe}" --device ${device} --target=abstraction`"
+ for module in ${abstraction}; do
+ if test "x${module}" = "x$2"; then
+ IFS="$old_ifs"
+ return 0
+ fi
+ done
+ IFS="$old_ifs"
+ return 1
+}
+
+print_option_help () {
+ if test x$print_option_help_wc = x; then
+ if wc -L </dev/null > /dev/null 2>&1; then
+ print_option_help_wc=-L
+ elif wc -m </dev/null > /dev/null 2>&1; then
+ print_option_help_wc=-m
+ else
+ print_option_help_wc=-b
+ fi
+ fi
+ if test x$grub_have_fmt = x; then
+ if fmt -w 40 </dev/null > /dev/null 2>&1; then
+ grub_have_fmt=y;
+ else
+ grub_have_fmt=n;
+ fi
+ fi
+ print_option_help_lead=" $1"
+ print_option_help_lspace="$(echo "$print_option_help_lead" | wc $print_option_help_wc)"
+ print_option_help_fill="$((26 - print_option_help_lspace))"
+ printf "%s" "$print_option_help_lead"
+ if test $print_option_help_fill -le 0; then
+ print_option_help_nl=y
+ echo
+ else
+ print_option_help_i=0;
+ while test $print_option_help_i -lt $print_option_help_fill; do
+ printf " "
+ print_option_help_i=$((print_option_help_i+1))
+ done
+ print_option_help_nl=n
+ fi
+ if test x$grub_have_fmt = xy; then
+ print_option_help_split="$(echo "$2" | fmt -w 50)"
+ else
+ print_option_help_split="$2"
+ fi
+ if test x$print_option_help_nl = xy; then
+ echo "$print_option_help_split" | awk \
+ '{ print " " $0; }'
+ else
+ echo "$print_option_help_split" | awk 'BEGIN { n = 0 }
+ { if (n == 1) print " " $0; else print $0; n = 1 ; }'
+ fi
+}
+
+grub_fmt () {
+ if test x$grub_have_fmt = x; then
+ if fmt -w 40 < /dev/null > /dev/null; then
+ grub_have_fmt=y;
+ else
+ grub_have_fmt=n;
+ fi
+ fi
+
+ if test x$grub_have_fmt = xy; then
+ fmt
+ else
+ cat
+ fi
+}
+
+grub_tab=" "
+
+grub_add_tab () {
+ sed -e "s/^/$grub_tab/"
+}
+
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