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/>.
18 exec_prefix="@exec_prefix@"
19 datarootdir="@datarootdir@"
23 if [ "x$pkgdatadir" = x ]; then
24 pkgdatadir="${datadir}/@PACKAGE@"
27 if test "x$grub_probe" = x; then
28 grub_probe="${sbindir}/@grub_probe@"
30 if test "x$grub_file" = x; then
31 grub_file="${bindir}/@grub_file@"
33 if test "x$grub_mkrelpath" = x; then
34 grub_mkrelpath="${bindir}/@grub_mkrelpath@"
37 if which gettext >/dev/null 2>/dev/null; then
47 echo "$(gettext "Warning:")" "$@" >&2
50 make_system_path_relative_to_its_root ()
52 "${grub_mkrelpath}" "$1"
55 is_path_readable_by_grub ()
59 # abort if path doesn't exist
60 if test -e "$path" ; then : ;else
64 # abort if file is in a filesystem we can't read
65 if "${grub_probe}" -t fs "$path" > /dev/null 2>&1 ; then : ; else
69 # ... or if we can't figure out the abstraction module, for example if
70 # memberlist fails on an LVM volume group.
71 if abstractions="`"${grub_probe}" -t abstraction "$path"`" 2> /dev/null ; then
77 if [ x$GRUB_ENABLE_CRYPTODISK = xy ]; then
81 for abstraction in $abstractions; do
82 if [ "x$abstraction" = xcryptodisk ]; then
90 convert_system_path_to_grub_path ()
94 grub_warn "convert_system_path_to_grub_path() is deprecated. Use prepare_grub_to_access_device() instead."
96 # abort if GRUB can't access the path
97 if is_path_readable_by_grub "${path}" ; then : ; else
101 if drive="`"${grub_probe}" -t drive "$path"`" ; then : ; else
105 if relative_path="`make_system_path_relative_to_its_root "$path"`" ; then : ; else
109 echo "${drive}${relative_path}"
112 save_default_entry ()
114 if [ "x${GRUB_SAVEDEFAULT}" = "xtrue" ] ; then
121 prepare_grub_to_access_device ()
126 partmap="`"${grub_probe}" --device $@ --target=partmap`"
127 for module in ${partmap} ; do
130 echo "insmod part_bsd";;
132 echo "insmod part_${module}";;
136 # Abstraction modules aren't auto-loaded.
137 abstraction="`"${grub_probe}" --device $@ --target=abstraction`"
138 for module in ${abstraction} ; do
139 echo "insmod ${module}"
142 fs="`"${grub_probe}" --device $@ --target=fs`"
143 for module in ${fs} ; do
144 echo "insmod ${module}"
147 if [ x$GRUB_ENABLE_CRYPTODISK = xy ]; then
148 for uuid in `"${grub_probe}" --device $@ --target=cryptodisk_uuid`; do
149 echo "cryptomount -u $uuid"
153 # If there's a filesystem UUID that GRUB is capable of identifying, use it;
154 # otherwise set root as per value in device.map.
155 fs_hint="`"${grub_probe}" --device $@ --target=compatibility_hint`"
156 if [ "x$fs_hint" != x ]; then
157 echo "set root='$fs_hint'"
159 if fs_uuid="`"${grub_probe}" --device $@ --target=fs_uuid 2> /dev/null`" ; then
160 hints="`"${grub_probe}" --device $@ --target=hints_string 2> /dev/null`" || hints=
161 echo "if [ x\$feature_platform_search_hint = xy ]; then"
162 echo " search --no-floppy --fs-uuid --set=root ${hints} ${fs_uuid}"
164 echo " search --no-floppy --fs-uuid --set=root ${fs_uuid}"
170 grub_get_device_id ()
176 if fs_uuid="`"${grub_probe}" --device ${device} --target=fs_uuid 2> /dev/null`" ; then
179 echo $device |sed 's, ,_,g'
184 grub_file_is_not_garbage ()
186 if test -f "$1" ; then
188 *.dpkg-*) return 1 ;; # debian dpkg
189 *.rpmsave|*.rpmnew) return 1 ;;
190 README*|*/README*) return 1 ;; # documentation
191 *.sig) return 1 ;; # signatures
201 case $version_sort_sort_has_v in
207 if sort -V </dev/null > /dev/null 2>&1; then
208 version_sort_sort_has_v=yes
211 version_sort_sort_has_v=no
217 version_test_numeric ()
219 version_test_numeric_a="$1"
220 version_test_numeric_cmp="$2"
221 version_test_numeric_b="$3"
222 if [ "$version_test_numeric_a" = "$version_test_numeric_b" ] ; then
223 case "$version_test_numeric_cmp" in
224 ge|eq|le) return 0 ;;
228 if [ "$version_test_numeric_cmp" = "lt" ] ; then
229 version_test_numeric_c="$version_test_numeric_a"
230 version_test_numeric_a="$version_test_numeric_b"
231 version_test_numeric_b="$version_test_numeric_c"
233 if (echo "$version_test_numeric_a" ; echo "$version_test_numeric_b") | version_sort | head -n 1 | grep -qx "$version_test_numeric_b" ; then
242 version_test_gt_a="`echo "$1" | sed -e "s/[^-]*-//"`"
243 version_test_gt_b="`echo "$2" | sed -e "s/[^-]*-//"`"
244 version_test_gt_cmp=gt
245 if [ "x$version_test_gt_b" = "x" ] ; then
248 case "$version_test_gt_a:$version_test_gt_b" in
250 *.old:*) version_test_gt_a="`echo "$version_test_gt_a" | sed -e 's/\.old$//'`" ; version_test_gt_cmp=gt ;;
251 *:*.old) version_test_gt_b="`echo "$version_test_gt_b" | sed -e 's/\.old$//'`" ; version_test_gt_cmp=ge ;;
253 version_test_numeric "$version_test_gt_a" "$version_test_gt_cmp" "$version_test_gt_b"
257 version_find_latest ()
259 version_find_latest_a=""
261 if version_test_gt "$i" "$version_find_latest_a" ; then
262 version_find_latest_a="$i"
265 echo "$version_find_latest_a"
268 # One layer of quotation is eaten by "" and the second by sed; so this turns
275 gettext "$@" | grub_quote
278 # Run the first argument through gettext, and then pass that and all
279 # remaining arguments to printf. This is a useful abbreviation and tends to
282 gettext_printf_format="$1"
284 printf "$(gettext "$gettext_printf_format")" "$@"
287 uses_abstraction () {
293 abstraction="`"${grub_probe}" --device ${device} --target=abstraction`"
294 for module in ${abstraction}; do
295 if test "x${module}" = "x$2"; then
304 print_option_help () {
305 if test x$print_option_help_wc = x; then
306 if wc -L </dev/null > /dev/null 2>&1; then
307 print_option_help_wc=-L
308 elif wc -m </dev/null > /dev/null 2>&1; then
309 print_option_help_wc=-m
311 print_option_help_wc=-b
314 if test x$grub_have_fmt = x; then
315 if fmt -w 40 </dev/null > /dev/null 2>&1; then
321 print_option_help_lead=" $1"
322 print_option_help_lspace="$(echo "$print_option_help_lead" | wc $print_option_help_wc)"
323 print_option_help_fill="$((26 - print_option_help_lspace))"
324 printf "%s" "$print_option_help_lead"
325 if test $print_option_help_fill -le 0; then
326 print_option_help_nl=y
329 print_option_help_i=0;
330 while test $print_option_help_i -lt $print_option_help_fill; do
332 print_option_help_i=$((print_option_help_i+1))
334 print_option_help_nl=n
336 if test x$grub_have_fmt = xy; then
337 print_option_help_split="$(echo "$2" | fmt -w 50)"
339 print_option_help_split="$2"
341 if test x$print_option_help_nl = xy; then
342 echo "$print_option_help_split" | awk \
345 echo "$print_option_help_split" | awk 'BEGIN { n = 0 }
346 { if (n == 1) print " " $0; else print $0; n = 1 ; }'
351 if test x$grub_have_fmt = x; then
352 if fmt -w 40 < /dev/null > /dev/null; then
359 if test x$grub_have_fmt = xy; then
369 sed -e "s/^/$grub_tab/"