1 # Helper library for grub-mkconfig
2 # Copyright (C) 2007,2008,2009,2010 Free Software Foundation, Inc.
4 # GRUB is free software: you can redistribute it and/or modify
5 # it under the terms of the GNU General Public License as published by
6 # the Free Software Foundation, either version 3 of the License, or
7 # (at your option) any later version.
9 # GRUB is distributed in the hope that it will be useful,
10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 # GNU General Public License for more details.
14 # You should have received a copy of the GNU General Public License
15 # along with GRUB. If not, see <http://www.gnu.org/licenses/>.
17 transform="@program_transform_name@"
20 exec_prefix="@exec_prefix@"
21 datarootdir="@datarootdir@"
25 pkgdatadir="${datadir}/@PACKAGE@"
27 if test "x$grub_probe" = x; then
28 grub_probe="${sbindir}/`echo grub-probe | sed "${transform}"`"
30 if test "x$grub_mkrelpath" = x; then
31 grub_mkrelpath="${bindir}/`echo grub-mkrelpath | sed "${transform}"`"
34 if which gettext >/dev/null 2>/dev/null; then
44 echo "$(gettext "Warning:")" "$@" >&2
47 make_system_path_relative_to_its_root ()
49 "${grub_mkrelpath}" "$1"
52 is_path_readable_by_grub ()
56 # abort if path doesn't exist
57 if test -e "$path" ; then : ;else
61 # abort if file is in a filesystem we can't read
62 if "${grub_probe}" -t fs "$path" > /dev/null 2>&1 ; then : ; else
66 # ... or if we can't figure out the abstraction module, for example if
67 # memberlist fails on an LVM volume group.
68 if abstractions="`"${grub_probe}" -t abstraction "$path"`" 2>&1 ; then
74 if [ x$GRUB_CRYPTODISK_ENABLE = xy ]; then
78 for abstraction in $abstractions; do
79 if [ "x$abstraction" = xcryptodisk ]; then
87 convert_system_path_to_grub_path ()
91 grub_warn "convert_system_path_to_grub_path() is deprecated. Use prepare_grub_to_access_device() instead."
93 # abort if GRUB can't access the path
94 if is_path_readable_by_grub "${path}" ; then : ; else
98 if drive="`"${grub_probe}" -t drive "$path"`" ; then : ; else
102 if relative_path="`make_system_path_relative_to_its_root "$path"`" ; then : ; else
106 echo "${drive}${relative_path}"
109 save_default_entry ()
111 if [ "x${GRUB_SAVEDEFAULT}" = "xtrue" ] ; then
118 prepare_grub_to_access_device ()
122 partmap="`"${grub_probe}" --device "${device}" --target=partmap`"
123 for module in ${partmap} ; do
126 echo "insmod part_bsd";;
128 echo "insmod part_${module}";;
132 # Abstraction modules aren't auto-loaded.
133 abstraction="`"${grub_probe}" --device "${device}" --target=abstraction`"
134 for module in ${abstraction} ; do
135 echo "insmod ${module}"
138 fs="`"${grub_probe}" --device "${device}" --target=fs`"
139 for module in ${fs} ; do
140 echo "insmod ${module}"
143 if [ x$GRUB_CRYPTODISK_ENABLE = xy ]; then
144 for uuid in "`"${grub_probe}" --device "${device}" --target=cryptodisk_uuid`"; do
145 echo "cryptomount -u $uuid"
149 # If there's a filesystem UUID that GRUB is capable of identifying, use it;
150 # otherwise set root as per value in device.map.
151 fs_hint="`"${grub_probe}" --device "${device}" --target=compatibility_hint`"
152 if [ "x$fs_hint" != x ]; then
153 echo "set root='$fs_hint'"
155 if fs_uuid="`"${grub_probe}" --device "${device}" --target=fs_uuid 2> /dev/null`" ; then
156 hints="`"${grub_probe}" --device "${device}" --target=hints_string 2> /dev/null`" || hints=
157 echo "if [ x\$feature_platform_search_hint = xy ]; then"
158 echo " search --no-floppy --fs-uuid --set=root ${hints} ${fs_uuid}"
160 echo " search --no-floppy --fs-uuid --set=root ${fs_uuid}"
165 grub_get_device_id ()
168 if fs_uuid="`"${grub_probe}" --device "${device}" --target=fs_uuid 2> /dev/null`" ; then
175 grub_file_is_not_garbage ()
177 if test -f "$1" ; then
179 *.dpkg-*) return 1 ;; # debian dpkg
180 *.rpmsave|*.rpmnew) return 1 ;;
181 README*|*/README*) return 1 ;; # documentation
191 case $version_sort_sort_has_v in
197 if sort -V </dev/null > /dev/null 2>&1; then
198 version_sort_sort_has_v=yes
201 version_sort_sort_has_v=no
207 version_test_numeric ()
209 version_test_numeric_a="$1"
210 version_test_numeric_cmp="$2"
211 version_test_numeric_b="$3"
212 if [ "$version_test_numeric_a" = "$version_test_numeric_b" ] ; then
213 case "$version_test_numeric_cmp" in
214 ge|eq|le) return 0 ;;
218 if [ "$version_test_numeric_cmp" = "lt" ] ; then
219 version_test_numeric_c="$version_test_numeric_a"
220 version_test_numeric_a="$version_test_numeric_b"
221 version_test_numeric_b="$version_test_numeric_c"
223 if (echo "$version_test_numeric_a" ; echo "$version_test_numeric_b") | version_sort | head -n 1 | grep -qx "$version_test_numeric_b" ; then
232 version_test_gt_a="`echo "$1" | sed -e "s/[^-]*-//"`"
233 version_test_gt_b="`echo "$2" | sed -e "s/[^-]*-//"`"
234 version_test_gt_cmp=gt
235 if [ "x$version_test_gt_b" = "x" ] ; then
238 case "$version_test_gt_a:$version_test_gt_b" in
240 *.old:*) version_test_gt_a="`echo -n "$version_test_gt_a" | sed -e 's/\.old$//'`" ; version_test_gt_cmp=gt ;;
241 *:*.old) version_test_gt_b="`echo -n "$version_test_gt_b" | sed -e 's/\.old$//'`" ; version_test_gt_cmp=ge ;;
243 version_test_numeric "$version_test_gt_a" "$version_test_gt_cmp" "$version_test_gt_b"
247 version_find_latest ()
249 version_find_latest_a=""
251 if version_test_gt "$i" "$version_find_latest_a" ; then
252 version_find_latest_a="$i"
255 echo "$version_find_latest_a"
258 # One layer of quotation is eaten by "" and the second by
259 # sed; so this turns ' into \'. Note that you must use the output of
260 # this function in a printf format string.
267 gettext "$@" | grub_quote
270 # Run the first argument through gettext, and then pass that and all
271 # remaining arguments to printf. This is a useful abbreviation and tends to
274 gettext_printf_format="$1"
276 printf "$(gettext "$gettext_printf_format")" "$@"
279 uses_abstraction () {
282 abstraction="`"${grub_probe}" --device "${device}" --target=abstraction`"
283 for module in ${abstraction}; do
284 if test "x${module}" = "x$2"; then
291 print_option_help () {
292 if test x$print_option_help_wc = x; then
293 if wc -L </dev/null > /dev/null 2>&1; then
294 print_option_help_wc=-L
295 elif wc -m </dev/null > /dev/null 2>&1; then
296 print_option_help_wc=-m
298 print_option_help_wc=-b
301 if test x$grub_have_fmt = x; then
302 if fmt -w 40 </dev/null > /dev/null 2>&1; then
308 print_option_help_lead=" $1"
309 print_option_help_lspace="$(echo "$print_option_help_lead" | wc $print_option_help_wc)"
310 print_option_help_fill="$((26 - print_option_help_lspace))"
311 printf "%s" "$print_option_help_lead"
312 if test $print_option_help_fill -le 0; then
313 print_option_help_nl=y
316 print_option_help_i=0;
317 while test $print_option_help_i -lt $print_option_help_fill; do
319 print_option_help_i=$((print_option_help_i+1))
321 print_option_help_nl=n
323 if test x$grub_have_fmt = xy; then
324 print_option_help_split="$(echo "$2" | fmt -w 50)"
326 print_option_help_split="$2"
328 if test x$print_option_help_nl = xy; then
329 echo "$print_option_help_split" | awk \
332 echo "$print_option_help_split" | awk 'BEGIN { n = 0 }
333 { if (n == 1) print " " $0; else print $0; n = 1 ; }'
338 if test x$grub_have_fmt = x; then
339 if fmt -w 40 < /dev/null > /dev/null; then
346 if test x$grub_have_fmt = xy; then