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777f2db0 HH |
1 | #!/bin/bash |
2 | # | |
561eb42f | 3 | # functions used only by dracut and dracut modules |
777f2db0 HH |
4 | # |
5 | # Copyright 2005-2009 Red Hat, Inc. All rights reserved. | |
6 | # | |
7 | # This program is free software; you can redistribute it and/or modify | |
8 | # it under the terms of the GNU General Public License as published by | |
9 | # the Free Software Foundation; either version 2 of the License, or | |
10 | # (at your option) any later version. | |
11 | # | |
12 | # This program is distributed in the hope that it will be useful, | |
13 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | # GNU General Public License for more details. | |
16 | # | |
17 | # You should have received a copy of the GNU General Public License | |
18 | # along with this program. If not, see <http://www.gnu.org/licenses/>. | |
19 | # | |
20 | export LC_MESSAGES=C | |
21 | ||
561eb42f HH |
22 | # is_func <command> |
23 | # Check whether $1 is a function. | |
24 | is_func() { | |
25 | [[ "$(type -t "$1")" = "function" ]] | |
26 | } | |
27 | ||
28 | if ! [[ $dracutbasedir ]]; then | |
29 | dracutbasedir=${BASH_SOURCE[0]%/*} | |
30 | [[ $dracutbasedir = dracut-functions* ]] && dracutbasedir="." | |
31 | [[ $dracutbasedir ]] || dracutbasedir="." | |
32 | dracutbasedir="$(readlink -f $dracutbasedir)" | |
33 | fi | |
34 | ||
35 | if ! is_func dinfo >/dev/null 2>&1; then | |
36 | . "$dracutbasedir/dracut-logger.sh" | |
37 | dlog_init | |
38 | fi | |
39 | ||
40 | if ! [[ $initdir ]]; then | |
41 | dfatal "initdir not set" | |
42 | exit 1 | |
43 | fi | |
44 | ||
45 | if ! [[ -d $initdir ]]; then | |
46 | mkdir -p "$initdir" | |
47 | fi | |
48 | ||
777f2db0 HH |
49 | if [[ $DRACUT_KERNEL_LAZY ]] && ! [[ $DRACUT_KERNEL_LAZY_HASHDIR ]]; then |
50 | if ! [[ -d "$initdir/.kernelmodseen" ]]; then | |
51 | mkdir -p "$initdir/.kernelmodseen" | |
52 | fi | |
53 | DRACUT_KERNEL_LAZY_HASHDIR="$initdir/.kernelmodseen" | |
54 | fi | |
55 | ||
561eb42f HH |
56 | if ! [[ $kernel ]]; then |
57 | kernel=$(uname -r) | |
58 | export kernel | |
59 | fi | |
60 | ||
61 | srcmods="/lib/modules/$kernel/" | |
62 | ||
63 | [[ $drivers_dir ]] && { | |
64 | if ! command -v kmod &>/dev/null && vercmp "$(modprobe --version | cut -d' ' -f3)" lt 3.7; then | |
65 | dfatal 'To use --kmoddir option module-init-tools >= 3.7 is required.' | |
66 | exit 1 | |
67 | fi | |
68 | srcmods="$drivers_dir" | |
69 | } | |
70 | export srcmods | |
71 | ||
72 | # export standard hookdirs | |
73 | [[ $hookdirs ]] || { | |
74 | hookdirs="cmdline pre-udev pre-trigger netroot " | |
75 | hookdirs+="initqueue initqueue/settled initqueue/online initqueue/finished initqueue/timeout " | |
76 | hookdirs+="pre-mount pre-pivot cleanup mount " | |
77 | hookdirs+="emergency shutdown-emergency pre-shutdown shutdown " | |
78 | export hookdirs | |
79 | } | |
80 | ||
456f299a HH |
81 | . $dracutbasedir/dracut-functions.sh |
82 | ||
561eb42f HH |
83 | # Detect lib paths |
84 | if ! [[ $libdirs ]] ; then | |
85 | if [[ "$(ldd /bin/sh)" == */lib64/* ]] &>/dev/null \ | |
86 | && [[ -d /lib64 ]]; then | |
87 | libdirs+=" /lib64" | |
88 | [[ -d /usr/lib64 ]] && libdirs+=" /usr/lib64" | |
89 | else | |
90 | libdirs+=" /lib" | |
91 | [[ -d /usr/lib ]] && libdirs+=" /usr/lib" | |
92 | fi | |
93 | ||
94 | libdirs+=" $(ldconfig_paths)" | |
95 | ||
96 | export libdirs | |
777f2db0 HH |
97 | fi |
98 | ||
561eb42f HH |
99 | # helper function for check() in module-setup.sh |
100 | # to check for required installed binaries | |
101 | # issues a standardized warning message | |
102 | require_binaries() { | |
103 | local _module_name="${moddir##*/}" | |
104 | local _ret=0 | |
105 | ||
106 | if [[ "$1" = "-m" ]]; then | |
107 | _module_name="$2" | |
108 | shift 2 | |
109 | fi | |
110 | ||
111 | for cmd in "$@"; do | |
112 | if ! find_binary "$cmd" &>/dev/null; then | |
113 | dinfo "dracut module '${_module_name#[0-9][0-9]}' will not be installed, because command '$cmd' could not be found!" | |
114 | ((_ret++)) | |
115 | fi | |
116 | done | |
117 | return $_ret | |
118 | } | |
119 | ||
120 | require_any_binary() { | |
121 | local _module_name="${moddir##*/}" | |
122 | local _ret=1 | |
123 | ||
124 | if [[ "$1" = "-m" ]]; then | |
125 | _module_name="$2" | |
126 | shift 2 | |
127 | fi | |
128 | ||
129 | for cmd in "$@"; do | |
130 | if find_binary "$cmd" &>/dev/null; then | |
131 | _ret=0 | |
132 | break | |
133 | fi | |
134 | done | |
135 | ||
136 | if (( $_ret != 0 )); then | |
137 | dinfo "$_module_name: Could not find any command of '$@'!" | |
138 | return 1 | |
139 | fi | |
140 | ||
141 | return 0 | |
142 | } | |
143 | ||
144 | dracut_need_initqueue() { | |
145 | >"$initdir/lib/dracut/need-initqueue" | |
146 | } | |
147 | ||
148 | dracut_module_included() { | |
149 | [[ " $mods_to_load $modules_loaded " == *\ $*\ * ]] | |
150 | } | |
151 | ||
152 | if ! [[ $DRACUT_INSTALL ]]; then | |
153 | DRACUT_INSTALL=$(find_binary dracut-install) | |
154 | fi | |
155 | ||
156 | if ! [[ $DRACUT_INSTALL ]] && [[ -x $dracutbasedir/dracut-install ]]; then | |
157 | DRACUT_INSTALL=$dracutbasedir/dracut-install | |
158 | elif ! [[ $DRACUT_INSTALL ]] && [[ -x $dracutbasedir/install/dracut-install ]]; then | |
159 | DRACUT_INSTALL=$dracutbasedir/install/dracut-install | |
160 | fi | |
161 | ||
162 | if ! [[ -x $DRACUT_INSTALL ]]; then | |
163 | dfatal "dracut-install not found!" | |
164 | exit 10 | |
165 | fi | |
166 | ||
167 | [[ $DRACUT_RESOLVE_LAZY ]] || export DRACUT_RESOLVE_DEPS=1 | |
168 | inst_dir() { | |
169 | [[ -e ${initdir}/"$1" ]] && return 0 # already there | |
170 | $DRACUT_INSTALL ${initdir:+-D "$initdir"} -d "$@" | |
ff8f7026 | 171 | (($? != 0)) && derror FAILED: $DRACUT_INSTALL ${initdir:+-D "$initdir"} -d "$@" || : |
561eb42f HH |
172 | } |
173 | ||
174 | inst() { | |
175 | local _hostonly_install | |
176 | if [[ "$1" == "-H" ]]; then | |
177 | _hostonly_install="-H" | |
178 | shift | |
179 | fi | |
180 | [[ -e ${initdir}/"${2:-$1}" ]] && return 0 # already there | |
181 | $DRACUT_INSTALL ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${DRACUT_RESOLVE_DEPS:+-l} ${DRACUT_FIPS_MODE:+-f} ${_hostonly_install:+-H} "$@" | |
ff8f7026 | 182 | (($? != 0)) && derror FAILED: $DRACUT_INSTALL ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${DRACUT_RESOLVE_DEPS:+-l} ${DRACUT_FIPS_MODE:+-f} ${_hostonly_install:+-H} "$@" || : |
561eb42f HH |
183 | } |
184 | ||
185 | inst_simple() { | |
186 | local _hostonly_install | |
187 | if [[ "$1" == "-H" ]]; then | |
188 | _hostonly_install="-H" | |
189 | shift | |
190 | fi | |
191 | [[ -e ${initdir}/"${2:-$1}" ]] && return 0 # already there | |
192 | [[ -e $1 ]] || return 1 # no source | |
193 | $DRACUT_INSTALL ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${_hostonly_install:+-H} "$@" | |
ff8f7026 | 194 | (($? != 0)) && derror FAILED: $DRACUT_INSTALL ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${_hostonly_install:+-H} "$@" || : |
561eb42f HH |
195 | } |
196 | ||
197 | inst_symlink() { | |
198 | local _hostonly_install | |
199 | if [[ "$1" == "-H" ]]; then | |
200 | _hostonly_install="-H" | |
201 | shift | |
202 | fi | |
203 | [[ -e ${initdir}/"${2:-$1}" ]] && return 0 # already there | |
204 | [[ -L $1 ]] || return 1 | |
205 | $DRACUT_INSTALL ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${DRACUT_RESOLVE_DEPS:+-l} ${DRACUT_FIPS_MODE:+-f} ${_hostonly_install:+-H} "$@" | |
ff8f7026 | 206 | (($? != 0)) && derror FAILED: $DRACUT_INSTALL ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${DRACUT_RESOLVE_DEPS:+-l} ${DRACUT_FIPS_MODE:+-f} ${_hostonly_install:+-H} "$@" || : |
561eb42f HH |
207 | } |
208 | ||
209 | inst_multiple() { | |
210 | local _ret | |
211 | $DRACUT_INSTALL ${initdir:+-D "$initdir"} -a ${loginstall:+-L "$loginstall"} ${DRACUT_RESOLVE_DEPS:+-l} ${DRACUT_FIPS_MODE:+-f} "$@" | |
212 | _ret=$? | |
ff8f7026 | 213 | (($_ret != 0)) && derror FAILED: $DRACUT_INSTALL ${initdir:+-D "$initdir"} -a ${loginstall:+-L "$loginstall"} ${DRACUT_RESOLVE_DEPS:+-l} ${DRACUT_FIPS_MODE:+-f} ${_hostonly_install:+-H} "$@" || : |
561eb42f HH |
214 | return $_ret |
215 | } | |
216 | ||
217 | dracut_install() { | |
218 | inst_multiple "$@" | |
219 | } | |
220 | ||
794b2d2c | 221 | dracut_instmods() { |
fa295f0b HH |
222 | local _silent=0; |
223 | local i; | |
794b2d2c | 224 | [[ $no_kernel = yes ]] && return |
fa295f0b HH |
225 | for i in "$@"; do |
226 | [[ $i == "--silent" ]] && silent=1 | |
227 | done | |
228 | ||
794b2d2c HH |
229 | $DRACUT_INSTALL \ |
230 | ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${hostonly:+-H} ${omit_drivers:+-N "$omit_drivers"} ${srcmods:+--kerneldir "$srcmods"} -m "$@" | |
fa295f0b | 231 | (($? != 0)) && (($silent == 0)) && derror FAILED: $DRACUT_INSTALL ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${hostonly:+-H} ${omit_drivers:+-N "$omit_drivers"} ${srcmods:+--kerneldir "$srcmods"} -m "$@" || : |
794b2d2c HH |
232 | } |
233 | ||
561eb42f HH |
234 | inst_library() { |
235 | local _hostonly_install | |
236 | if [[ "$1" == "-H" ]]; then | |
237 | _hostonly_install="-H" | |
238 | shift | |
239 | fi | |
240 | [[ -e ${initdir}/"${2:-$1}" ]] && return 0 # already there | |
241 | [[ -e $1 ]] || return 1 # no source | |
242 | $DRACUT_INSTALL ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${DRACUT_RESOLVE_DEPS:+-l} ${DRACUT_FIPS_MODE:+-f} ${_hostonly_install:+-H} "$@" | |
ff8f7026 | 243 | (($? != 0)) && derror FAILED: $DRACUT_INSTALL ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${DRACUT_RESOLVE_DEPS:+-l} ${DRACUT_FIPS_MODE:+-f} ${_hostonly_install:+-H} "$@" || : |
561eb42f HH |
244 | } |
245 | ||
246 | inst_binary() { | |
247 | $DRACUT_INSTALL ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${DRACUT_RESOLVE_DEPS:+-l} ${DRACUT_FIPS_MODE:+-f} "$@" | |
ff8f7026 | 248 | (($? != 0)) && derror FAILED: $DRACUT_INSTALL ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${DRACUT_RESOLVE_DEPS:+-l} ${DRACUT_FIPS_MODE:+-f} "$@" || : |
561eb42f HH |
249 | } |
250 | ||
251 | inst_script() { | |
252 | $DRACUT_INSTALL ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${DRACUT_RESOLVE_DEPS:+-l} ${DRACUT_FIPS_MODE:+-f} "$@" | |
ff8f7026 | 253 | (($? != 0)) && derror FAILED: $DRACUT_INSTALL ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${DRACUT_RESOLVE_DEPS:+-l} ${DRACUT_FIPS_MODE:+-f} "$@" || : |
561eb42f HH |
254 | } |
255 | ||
256 | mark_hostonly() { | |
257 | for i in "$@"; do | |
258 | echo "$i" >> "$initdir/lib/dracut/hostonly-files" | |
259 | done | |
260 | } | |
261 | ||
262 | # find symlinks linked to given library file | |
263 | # $1 = library file | |
264 | # Function searches for symlinks by stripping version numbers appended to | |
265 | # library filename, checks if it points to the same target and finally | |
266 | # prints the list of symlinks to stdout. | |
267 | # | |
268 | # Example: | |
269 | # rev_lib_symlinks libfoo.so.8.1 | |
270 | # output: libfoo.so.8 libfoo.so | |
271 | # (Only if libfoo.so.8 and libfoo.so exists on host system.) | |
272 | rev_lib_symlinks() { | |
273 | [[ ! $1 ]] && return 0 | |
274 | ||
275 | local fn="$1" orig="$(readlink -f "$1")" links='' | |
276 | ||
277 | [[ ${fn} == *.so.* ]] || return 1 | |
278 | ||
279 | until [[ ${fn##*.} == so ]]; do | |
280 | fn="${fn%.*}" | |
281 | [[ -L ${fn} && $(readlink -f "${fn}") == ${orig} ]] && links+=" ${fn}" | |
282 | done | |
283 | ||
284 | echo "${links}" | |
285 | } | |
286 | ||
287 | # attempt to install any programs specified in a udev rule | |
288 | inst_rule_programs() { | |
289 | local _prog _bin | |
290 | ||
374ef3ed | 291 | for _prog in $(sed -nr 's/.*PROGRAM==?"([^ "]+).*/\1/p' "$1"); do |
06a1d076 VS |
292 | _bin="" |
293 | if [ -x ${udevdir}/$_prog ]; then | |
294 | _bin=${udevdir}/$_prog | |
295 | elif [[ "${_prog/\$env\{/}" == "$_prog" ]]; then | |
296 | _bin=$(find_binary "$_prog") || { | |
297 | dinfo "Skipping program $_prog using in udev rule ${1##*/} as it cannot be found" | |
298 | continue; | |
299 | } | |
300 | fi | |
301 | ||
302 | [[ $_bin ]] && inst_binary "$_bin" | |
303 | done | |
374ef3ed | 304 | for _prog in $(sed -nr 's/.*RUN[+=]=?"([^ "]+).*/\1/p' "$1"); do |
06a1d076 VS |
305 | _bin="" |
306 | if [ -x ${udevdir}/$_prog ]; then | |
307 | _bin=${udevdir}/$_prog | |
308 | elif [[ "${_prog/\$env\{/}" == "$_prog" ]] && [[ "${_prog}" != "/sbin/initqueue" ]]; then | |
309 | _bin=$(find_binary "$_prog") || { | |
310 | dinfo "Skipping program $_prog using in udev rule ${1##*/} as it cannot be found" | |
311 | continue; | |
312 | } | |
313 | fi | |
314 | ||
315 | [[ $_bin ]] && inst_binary "$_bin" | |
316 | done | |
374ef3ed | 317 | for _prog in $(sed -nr 's/.*IMPORT\{program\}==?"([^ "]+).*/\1/p' "$1"); do |
06a1d076 VS |
318 | _bin="" |
319 | if [ -x ${udevdir}/$_prog ]; then | |
320 | _bin=${udevdir}/$_prog | |
321 | elif [[ "${_prog/\$env\{/}" == "$_prog" ]]; then | |
322 | _bin=$(find_binary "$_prog") || { | |
323 | dinfo "Skipping program $_prog using in udev rule ${1##*/} as it cannot be found" | |
324 | continue; | |
325 | } | |
326 | fi | |
327 | ||
328 | [[ $_bin ]] && dracut_install "$_bin" | |
329 | done | |
561eb42f HH |
330 | } |
331 | ||
332 | # attempt to install any programs specified in a udev rule | |
333 | inst_rule_group_owner() { | |
334 | local i | |
335 | ||
374ef3ed | 336 | for i in $(sed -nr 's/.*OWNER=?"([^ "]+).*/\1/p' "$1"); do |
06a1d076 VS |
337 | if ! grep -Eq "^$i:" "$initdir/etc/passwd" 2>/dev/null; then |
338 | grep -E "^$i:" /etc/passwd 2>/dev/null >> "$initdir/etc/passwd" | |
339 | fi | |
340 | done | |
341 | for i in $(sed -nr 's/.*GROUP=?"([^ "]+).*/\1/p' "$1"); do | |
342 | if ! grep -Eq "^$i:" "$initdir/etc/group" 2>/dev/null; then | |
343 | grep -E "^$i:" /etc/group 2>/dev/null >> "$initdir/etc/group" | |
344 | fi | |
345 | done | |
561eb42f HH |
346 | } |
347 | ||
348 | inst_rule_initqueue() { | |
349 | if grep -q -F initqueue "$1"; then | |
350 | dracut_need_initqueue | |
351 | fi | |
352 | } | |
353 | ||
354 | # udev rules always get installed in the same place, so | |
355 | # create a function to install them to make life simpler. | |
356 | inst_rules() { | |
357 | local _target=/etc/udev/rules.d _rule _found | |
358 | ||
359 | inst_dir "${udevdir}/rules.d" | |
360 | inst_dir "$_target" | |
361 | for _rule in "$@"; do | |
362 | if [ "${_rule#/}" = "$_rule" ]; then | |
363 | for r in ${udevdir}/rules.d ${hostonly:+/etc/udev/rules.d}; do | |
364 | [[ -e $r/$_rule ]] || continue | |
365 | _found="$r/$_rule" | |
366 | inst_rule_programs "$_found" | |
367 | inst_rule_group_owner "$_found" | |
368 | inst_rule_initqueue "$_found" | |
369 | inst_simple "$_found" | |
370 | done | |
371 | fi | |
372 | for r in '' $dracutbasedir/rules.d/; do | |
373 | # skip rules without an absolute path | |
374 | [[ "${r}$_rule" != /* ]] && continue | |
375 | [[ -f ${r}$_rule ]] || continue | |
376 | _found="${r}$_rule" | |
377 | inst_rule_programs "$_found" | |
378 | inst_rule_group_owner "$_found" | |
379 | inst_rule_initqueue "$_found" | |
380 | inst_simple "$_found" "$_target/${_found##*/}" | |
381 | done | |
382 | [[ $_found ]] || dinfo "Skipping udev rule: $_rule" | |
383 | done | |
384 | } | |
385 | ||
386 | inst_rules_wildcard() { | |
387 | local _target=/etc/udev/rules.d _rule _found | |
388 | ||
389 | inst_dir "${udevdir}/rules.d" | |
390 | inst_dir "$_target" | |
391 | for _rule in ${udevdir}/rules.d/$1 ${dracutbasedir}/rules.d/$1 ; do | |
392 | [[ -e $_rule ]] || continue | |
393 | inst_rule_programs "$_rule" | |
394 | inst_rule_group_owner "$_rule" | |
395 | inst_rule_initqueue "$_rule" | |
396 | inst_simple "$_rule" | |
397 | _found=$_rule | |
398 | done | |
399 | if [[ -n ${hostonly} ]] ; then | |
400 | for _rule in ${_target}/$1 ; do | |
401 | [[ -f $_rule ]] || continue | |
402 | inst_rule_programs "$_rule" | |
403 | inst_rule_group_owner "$_rule" | |
404 | inst_rule_initqueue "$_rule" | |
405 | inst_simple "$_rule" | |
406 | _found=$_rule | |
407 | done | |
408 | fi | |
409 | [[ $_found ]] || dinfo "Skipping udev rule: $_rule" | |
410 | } | |
411 | ||
412 | prepare_udev_rules() { | |
413 | [ -z "$UDEVVERSION" ] && export UDEVVERSION=$(udevadm --version) | |
414 | ||
415 | for f in "$@"; do | |
416 | f="${initdir}/etc/udev/rules.d/$f" | |
417 | [ -e "$f" ] || continue | |
418 | while read line || [ -n "$line" ]; do | |
419 | if [ "${line%%IMPORT PATH_ID}" != "$line" ]; then | |
420 | if [ $UDEVVERSION -ge 174 ]; then | |
421 | printf '%sIMPORT{builtin}="path_id"\n' "${line%%IMPORT PATH_ID}" | |
422 | else | |
423 | printf '%sIMPORT{program}="path_id %%p"\n' "${line%%IMPORT PATH_ID}" | |
424 | fi | |
425 | elif [ "${line%%IMPORT BLKID}" != "$line" ]; then | |
426 | if [ $UDEVVERSION -ge 176 ]; then | |
427 | printf '%sIMPORT{builtin}="blkid"\n' "${line%%IMPORT BLKID}" | |
428 | else | |
429 | printf '%sIMPORT{program}="/sbin/blkid -o udev -p $tempnode"\n' "${line%%IMPORT BLKID}" | |
430 | fi | |
431 | else | |
432 | echo "$line" | |
433 | fi | |
434 | done < "${f}" > "${f}.new" | |
435 | mv "${f}.new" "$f" | |
436 | done | |
437 | } | |
438 | ||
439 | # install function specialized for hooks | |
440 | # $1 = type of hook, $2 = hook priority (lower runs first), $3 = hook | |
441 | # All hooks should be POSIX/SuS compliant, they will be sourced by init. | |
442 | inst_hook() { | |
443 | if ! [[ -f $3 ]]; then | |
444 | dfatal "Cannot install a hook ($3) that does not exist." | |
445 | dfatal "Aborting initrd creation." | |
446 | exit 1 | |
447 | elif ! [[ "$hookdirs" == *$1* ]]; then | |
448 | dfatal "No such hook type $1. Aborting initrd creation." | |
449 | exit 1 | |
450 | fi | |
451 | inst_simple "$3" "/lib/dracut/hooks/${1}/${2}-${3##*/}" | |
452 | } | |
453 | ||
454 | # install any of listed files | |
455 | # | |
456 | # If first argument is '-d' and second some destination path, first accessible | |
457 | # source is installed into this path, otherwise it will installed in the same | |
458 | # path as source. If none of listed files was installed, function return 1. | |
459 | # On first successful installation it returns with 0 status. | |
460 | # | |
461 | # Example: | |
462 | # | |
463 | # inst_any -d /bin/foo /bin/bar /bin/baz | |
464 | # | |
465 | # Lets assume that /bin/baz exists, so it will be installed as /bin/foo in | |
466 | # initramfs. | |
467 | inst_any() { | |
468 | local to f | |
469 | ||
470 | [[ $1 = '-d' ]] && to="$2" && shift 2 | |
471 | ||
472 | for f in "$@"; do | |
473 | [[ -e $f ]] || continue | |
474 | [[ $to ]] && inst "$f" "$to" && return 0 | |
475 | inst "$f" && return 0 | |
476 | done | |
477 | ||
478 | return 1 | |
479 | } | |
480 | ||
481 | ||
482 | # inst_libdir_file [-n <pattern>] <file> [<file>...] | |
483 | # Install a <file> located on a lib directory to the initramfs image | |
484 | # -n <pattern> install matching files | |
485 | inst_libdir_file() { | |
486 | local _files | |
487 | if [[ "$1" == "-n" ]]; then | |
488 | local _pattern=$2 | |
489 | shift 2 | |
490 | for _dir in $libdirs; do | |
491 | for _i in "$@"; do | |
492 | for _f in "$_dir"/$_i; do | |
493 | [[ "$_f" =~ $_pattern ]] || continue | |
494 | [[ -e "$_f" ]] && _files+="$_f " | |
495 | done | |
496 | done | |
497 | done | |
498 | else | |
499 | for _dir in $libdirs; do | |
500 | for _i in "$@"; do | |
501 | for _f in "$_dir"/$_i; do | |
502 | [[ -e "$_f" ]] && _files+="$_f " | |
503 | done | |
504 | done | |
505 | done | |
506 | fi | |
507 | [[ $_files ]] && inst_multiple $_files | |
508 | } | |
509 | ||
510 | ||
511 | # install function decompressing the target and handling symlinks | |
512 | # $@ = list of compressed (gz or bz2) files or symlinks pointing to such files | |
513 | # | |
514 | # Function install targets in the same paths inside overlay but decompressed | |
515 | # and without extensions (.gz, .bz2). | |
516 | inst_decompress() { | |
517 | local _src _cmd | |
518 | ||
519 | for _src in $@ | |
520 | do | |
521 | case ${_src} in | |
522 | *.gz) _cmd='gzip -f -d' ;; | |
523 | *.bz2) _cmd='bzip2 -d' ;; | |
524 | *) return 1 ;; | |
525 | esac | |
526 | inst_simple ${_src} | |
527 | # Decompress with chosen tool. We assume that tool changes name e.g. | |
528 | # from 'name.gz' to 'name'. | |
529 | ${_cmd} "${initdir}${_src}" | |
530 | done | |
531 | } | |
532 | ||
533 | # It's similar to above, but if file is not compressed, performs standard | |
534 | # install. | |
535 | # $@ = list of files | |
536 | inst_opt_decompress() { | |
537 | local _src | |
538 | ||
539 | for _src in $@; do | |
540 | inst_decompress "${_src}" || inst "${_src}" | |
541 | done | |
542 | } | |
543 | ||
544 | # module_check <dracut module> | |
545 | # execute the check() function of module-setup.sh of <dracut module> | |
546 | # or the "check" script, if module-setup.sh is not found | |
547 | # "check $hostonly" is called | |
548 | module_check() { | |
549 | local _moddir=$(echo ${dracutbasedir}/modules.d/??${1} | { read a b; echo "$a"; }) | |
550 | local _ret | |
551 | local _forced=0 | |
552 | local _hostonly=$hostonly | |
553 | [ $# -eq 2 ] && _forced=$2 | |
554 | [[ -d $_moddir ]] || return 1 | |
555 | if [[ ! -f $_moddir/module-setup.sh ]]; then | |
556 | # if we do not have a check script, we are unconditionally included | |
557 | [[ -x $_moddir/check ]] || return 0 | |
558 | [ $_forced -ne 0 ] && unset hostonly | |
559 | $_moddir/check $hostonly | |
560 | _ret=$? | |
561 | else | |
562 | unset check depends cmdline install installkernel | |
563 | check() { true; } | |
564 | . $_moddir/module-setup.sh | |
565 | is_func check || return 0 | |
566 | [ $_forced -ne 0 ] && unset hostonly | |
567 | moddir=$_moddir check $hostonly | |
568 | _ret=$? | |
569 | unset check depends cmdline install installkernel | |
570 | fi | |
571 | hostonly=$_hostonly | |
572 | return $_ret | |
573 | } | |
574 | ||
575 | # module_check_mount <dracut module> | |
576 | # execute the check() function of module-setup.sh of <dracut module> | |
577 | # or the "check" script, if module-setup.sh is not found | |
578 | # "mount_needs=1 check 0" is called | |
579 | module_check_mount() { | |
580 | local _moddir=$(echo ${dracutbasedir}/modules.d/??${1} | { read a b; echo "$a"; }) | |
581 | local _ret | |
582 | mount_needs=1 | |
583 | [[ -d $_moddir ]] || return 1 | |
584 | if [[ ! -f $_moddir/module-setup.sh ]]; then | |
585 | # if we do not have a check script, we are unconditionally included | |
586 | [[ -x $_moddir/check ]] || return 0 | |
587 | mount_needs=1 $_moddir/check 0 | |
588 | _ret=$? | |
589 | else | |
590 | unset check depends cmdline install installkernel | |
591 | check() { false; } | |
592 | . $_moddir/module-setup.sh | |
593 | moddir=$_moddir check 0 | |
594 | _ret=$? | |
595 | unset check depends cmdline install installkernel | |
596 | fi | |
597 | unset mount_needs | |
598 | return $_ret | |
599 | } | |
600 | ||
601 | # module_depends <dracut module> | |
602 | # execute the depends() function of module-setup.sh of <dracut module> | |
603 | # or the "depends" script, if module-setup.sh is not found | |
604 | module_depends() { | |
605 | local _moddir=$(echo ${dracutbasedir}/modules.d/??${1} | { read a b; echo "$a"; }) | |
606 | local _ret | |
607 | [[ -d $_moddir ]] || return 1 | |
608 | if [[ ! -f $_moddir/module-setup.sh ]]; then | |
609 | # if we do not have a check script, we have no deps | |
610 | [[ -x $_moddir/check ]] || return 0 | |
611 | $_moddir/check -d | |
612 | return $? | |
613 | else | |
614 | unset check depends cmdline install installkernel | |
615 | depends() { true; } | |
616 | . $_moddir/module-setup.sh | |
617 | moddir=$_moddir depends | |
618 | _ret=$? | |
619 | unset check depends cmdline install installkernel | |
620 | return $_ret | |
621 | fi | |
622 | } | |
623 | ||
624 | # module_cmdline <dracut module> | |
625 | # execute the cmdline() function of module-setup.sh of <dracut module> | |
626 | # or the "cmdline" script, if module-setup.sh is not found | |
627 | module_cmdline() { | |
628 | local _moddir=$(echo ${dracutbasedir}/modules.d/??${1} | { read a b; echo "$a"; }) | |
629 | local _ret | |
630 | [[ -d $_moddir ]] || return 1 | |
631 | if [[ ! -f $_moddir/module-setup.sh ]]; then | |
632 | [[ -x $_moddir/cmdline ]] && . "$_moddir/cmdline" | |
633 | return $? | |
634 | else | |
635 | unset check depends cmdline install installkernel | |
636 | cmdline() { true; } | |
637 | . $_moddir/module-setup.sh | |
638 | moddir=$_moddir cmdline | |
639 | _ret=$? | |
640 | unset check depends cmdline install installkernel | |
641 | return $_ret | |
642 | fi | |
643 | } | |
644 | ||
645 | # module_install <dracut module> | |
646 | # execute the install() function of module-setup.sh of <dracut module> | |
647 | # or the "install" script, if module-setup.sh is not found | |
648 | module_install() { | |
649 | local _moddir=$(echo ${dracutbasedir}/modules.d/??${1} | { read a b; echo "$a"; }) | |
650 | local _ret | |
651 | [[ -d $_moddir ]] || return 1 | |
652 | if [[ ! -f $_moddir/module-setup.sh ]]; then | |
653 | [[ -x $_moddir/install ]] && . "$_moddir/install" | |
654 | return $? | |
655 | else | |
656 | unset check depends cmdline install installkernel | |
657 | install() { true; } | |
658 | . $_moddir/module-setup.sh | |
659 | moddir=$_moddir install | |
660 | _ret=$? | |
661 | unset check depends cmdline install installkernel | |
662 | return $_ret | |
663 | fi | |
664 | } | |
665 | ||
666 | # module_installkernel <dracut module> | |
667 | # execute the installkernel() function of module-setup.sh of <dracut module> | |
668 | # or the "installkernel" script, if module-setup.sh is not found | |
669 | module_installkernel() { | |
670 | local _moddir=$(echo ${dracutbasedir}/modules.d/??${1} | { read a b; echo "$a"; }) | |
671 | local _ret | |
672 | [[ -d $_moddir ]] || return 1 | |
673 | if [[ ! -f $_moddir/module-setup.sh ]]; then | |
674 | [[ -x $_moddir/installkernel ]] && . "$_moddir/installkernel" | |
675 | return $? | |
676 | else | |
677 | unset check depends cmdline install installkernel | |
678 | installkernel() { true; } | |
679 | . $_moddir/module-setup.sh | |
680 | moddir=$_moddir installkernel | |
681 | _ret=$? | |
682 | unset check depends cmdline install installkernel | |
683 | return $_ret | |
684 | fi | |
685 | } | |
686 | ||
687 | # check_mount <dracut module> | |
688 | # check_mount checks, if a dracut module is needed for the given | |
689 | # device and filesystem types in "${host_fs_types[@]}" | |
690 | check_mount() { | |
691 | local _mod=$1 | |
692 | local _moddir=$(echo ${dracutbasedir}/modules.d/??${1} | { read a b; echo "$a"; }) | |
693 | local _ret | |
694 | local _moddep | |
695 | ||
696 | [ "${#host_fs_types[@]}" -le 0 ] && return 1 | |
697 | ||
698 | # If we are already scheduled to be loaded, no need to check again. | |
699 | [[ " $mods_to_load " == *\ $_mod\ * ]] && return 0 | |
700 | [[ " $mods_checked_as_dep " == *\ $_mod\ * ]] && return 1 | |
701 | ||
702 | # This should never happen, but... | |
703 | [[ -d $_moddir ]] || return 1 | |
704 | ||
705 | [[ $2 ]] || mods_checked_as_dep+=" $_mod " | |
706 | ||
707 | if [[ " $omit_dracutmodules " == *\ $_mod\ * ]]; then | |
708 | return 1 | |
709 | fi | |
710 | ||
711 | if [[ " $dracutmodules $add_dracutmodules $force_add_dracutmodules" == *\ $_mod\ * ]]; then | |
712 | module_check_mount $_mod; ret=$? | |
713 | ||
714 | # explicit module, so also accept ret=255 | |
715 | [[ $ret = 0 || $ret = 255 ]] || return 1 | |
716 | else | |
717 | # module not in our list | |
718 | if [[ $dracutmodules = all ]]; then | |
719 | # check, if we can and should install this module | |
720 | module_check_mount $_mod || return 1 | |
721 | else | |
722 | # skip this module | |
723 | return 1 | |
724 | fi | |
725 | fi | |
726 | ||
727 | for _moddep in $(module_depends $_mod); do | |
728 | # handle deps as if they were manually added | |
729 | [[ " $dracutmodules " == *\ $_mod\ * ]] \ | |
730 | && [[ " $dracutmodules " != *\ $_moddep\ * ]] \ | |
731 | && dracutmodules+=" $_moddep " | |
732 | [[ " $add_dracutmodules " == *\ $_mod\ * ]] \ | |
733 | && [[ " $add_dracutmodules " != *\ $_moddep\ * ]] \ | |
734 | && add_dracutmodules+=" $_moddep " | |
735 | [[ " $force_add_dracutmodules " == *\ $_mod\ * ]] \ | |
736 | && [[ " $force_add_dracutmodules " != *\ $_moddep\ * ]] \ | |
737 | && force_add_dracutmodules+=" $_moddep " | |
738 | # if a module we depend on fail, fail also | |
739 | if ! check_module $_moddep; then | |
740 | derror "dracut module '$_mod' depends on '$_moddep', which can't be installed" | |
741 | return 1 | |
742 | fi | |
743 | done | |
744 | ||
745 | [[ " $mods_to_load " == *\ $_mod\ * ]] || \ | |
746 | mods_to_load+=" $_mod " | |
747 | ||
748 | return 0 | |
749 | } | |
750 | ||
751 | # check_module <dracut module> [<use_as_dep>] | |
752 | # check if a dracut module is to be used in the initramfs process | |
753 | # if <use_as_dep> is set, then the process also keeps track | |
754 | # that the modules were checked for the dependency tracking process | |
755 | check_module() { | |
756 | local _mod=$1 | |
757 | local _moddir=$(echo ${dracutbasedir}/modules.d/??${1} | { read a b; echo "$a"; }) | |
758 | local _ret | |
759 | local _moddep | |
760 | # If we are already scheduled to be loaded, no need to check again. | |
761 | [[ " $mods_to_load " == *\ $_mod\ * ]] && return 0 | |
762 | [[ " $mods_checked_as_dep " == *\ $_mod\ * ]] && return 1 | |
763 | ||
764 | # This should never happen, but... | |
765 | [[ -d $_moddir ]] || return 1 | |
766 | ||
767 | [[ $2 ]] || mods_checked_as_dep+=" $_mod " | |
768 | ||
769 | if [[ " $omit_dracutmodules " == *\ $_mod\ * ]]; then | |
770 | dinfo "dracut module '$_mod' will not be installed, because it's in the list to be omitted!" | |
771 | return 1 | |
772 | fi | |
773 | ||
774 | if [[ " $dracutmodules $add_dracutmodules $force_add_dracutmodules" == *\ $_mod\ * ]]; then | |
775 | if [[ " $dracutmodules $force_add_dracutmodules " == *\ $_mod\ * ]]; then | |
776 | module_check $_mod 1; ret=$? | |
777 | else | |
778 | module_check $_mod 0; ret=$? | |
779 | fi | |
780 | # explicit module, so also accept ret=255 | |
781 | [[ $ret = 0 || $ret = 255 ]] || return 1 | |
782 | else | |
783 | # module not in our list | |
784 | if [[ $dracutmodules = all ]]; then | |
785 | # check, if we can and should install this module | |
786 | module_check $_mod; ret=$? | |
787 | if [[ $ret != 0 ]]; then | |
788 | [[ $2 ]] && return 1 | |
789 | [[ $ret != 255 ]] && return 1 | |
790 | fi | |
791 | else | |
792 | # skip this module | |
793 | return 1 | |
794 | fi | |
795 | fi | |
796 | ||
797 | for _moddep in $(module_depends $_mod); do | |
798 | # handle deps as if they were manually added | |
799 | [[ " $dracutmodules " == *\ $_mod\ * ]] \ | |
800 | && [[ " $dracutmodules " != *\ $_moddep\ * ]] \ | |
801 | && dracutmodules+=" $_moddep " | |
802 | [[ " $add_dracutmodules " == *\ $_mod\ * ]] \ | |
803 | && [[ " $add_dracutmodules " != *\ $_moddep\ * ]] \ | |
804 | && add_dracutmodules+=" $_moddep " | |
805 | [[ " $force_add_dracutmodules " == *\ $_mod\ * ]] \ | |
806 | && [[ " $force_add_dracutmodules " != *\ $_moddep\ * ]] \ | |
807 | && force_add_dracutmodules+=" $_moddep " | |
808 | # if a module we depend on fail, fail also | |
809 | if ! check_module $_moddep; then | |
810 | derror "dracut module '$_mod' depends on '$_moddep', which can't be installed" | |
811 | return 1 | |
812 | fi | |
813 | done | |
814 | ||
815 | [[ " $mods_to_load " == *\ $_mod\ * ]] || \ | |
816 | mods_to_load+=" $_mod " | |
817 | ||
818 | return 0 | |
819 | } | |
820 | ||
821 | # for_each_module_dir <func> | |
822 | # execute "<func> <dracut module> 1" | |
823 | for_each_module_dir() { | |
824 | local _modcheck | |
825 | local _mod | |
826 | local _moddir | |
827 | local _func | |
828 | _func=$1 | |
829 | for _moddir in "$dracutbasedir/modules.d"/[0-9][0-9]*; do | |
830 | [[ -d $_moddir ]] || continue; | |
831 | [[ -e $_moddir/install || -e $_moddir/installkernel || \ | |
832 | -e $_moddir/module-setup.sh ]] || continue | |
833 | _mod=${_moddir##*/}; _mod=${_mod#[0-9][0-9]} | |
834 | $_func $_mod 1 | |
835 | done | |
836 | ||
837 | # Report any missing dracut modules, the user has specified | |
838 | _modcheck="$add_dracutmodules $force_add_dracutmodules" | |
839 | [[ $dracutmodules != all ]] && _modcheck="$_modcheck $dracutmodules" | |
840 | for _mod in $_modcheck; do | |
841 | [[ " $mods_to_load " == *\ $_mod\ * ]] && continue | |
842 | ||
843 | [[ " $force_add_dracutmodules " != *\ $_mod\ * ]] \ | |
844 | && [[ " $dracutmodules " != *\ $_mod\ * ]] \ | |
845 | && [[ " $omit_dracutmodules " == *\ $_mod\ * ]] \ | |
846 | && continue | |
847 | ||
848 | derror "dracut module '$_mod' cannot be found or installed." | |
849 | [[ " $force_add_dracutmodules " == *\ $_mod\ * ]] && exit 1 | |
850 | [[ " $dracutmodules " == *\ $_mod\ * ]] && exit 1 | |
851 | [[ " $add_dracutmodules " == *\ $_mod\ * ]] && exit 1 | |
852 | done | |
853 | } | |
854 | ||
855 | # Install a single kernel module along with any firmware it may require. | |
856 | # $1 = full path to kernel module to install | |
857 | install_kmod_with_fw() { | |
858 | # no need to go further if the module is already installed | |
859 | ||
860 | [[ -e "${initdir}/lib/modules/$kernel/${1##*/lib/modules/$kernel/}" ]] \ | |
861 | && return 0 | |
862 | ||
561eb42f HH |
863 | if [[ $omit_drivers ]]; then |
864 | local _kmod=${1##*/} | |
865 | _kmod=${_kmod%.ko*} | |
866 | _kmod=${_kmod/-/_} | |
867 | if [[ "$_kmod" =~ $omit_drivers ]]; then | |
868 | dinfo "Omitting driver $_kmod" | |
869 | return 0 | |
870 | fi | |
871 | if [[ "${1##*/lib/modules/$kernel/}" =~ $omit_drivers ]]; then | |
872 | dinfo "Omitting driver $_kmod" | |
873 | return 0 | |
874 | fi | |
875 | fi | |
876 | ||
877 | if [[ $silent_omit_drivers ]]; then | |
878 | local _kmod=${1##*/} | |
879 | _kmod=${_kmod%.ko*} | |
880 | _kmod=${_kmod/-/_} | |
881 | [[ "$_kmod" =~ $silent_omit_drivers ]] && return 0 | |
882 | [[ "${1##*/lib/modules/$kernel/}" =~ $silent_omit_drivers ]] && return 0 | |
883 | fi | |
884 | ||
885 | inst_simple "$1" "/lib/modules/$kernel/${1##*/lib/modules/$kernel/}" | |
886 | ret=$? | |
561eb42f HH |
887 | (($ret != 0)) && return $ret |
888 | ||
889 | local _modname=${1##*/} _fwdir _found _fw | |
890 | _modname=${_modname%.ko*} | |
891 | for _fw in $(modinfo -k $kernel -F firmware $1 2>/dev/null); do | |
892 | _found='' | |
893 | for _fwdir in $fw_dir; do | |
894 | [[ -d $_fwdir && -f $_fwdir/$_fw ]] || continue | |
895 | inst_simple "$_fwdir/$_fw" "/lib/firmware/$_fw" | |
896 | _found=yes | |
897 | done | |
898 | if [[ $_found != yes ]]; then | |
899 | if ! [[ -d $(echo /sys/module/${_modname//-/_}|{ read a b; echo $a; }) ]]; then | |
900 | dinfo "Possible missing firmware \"${_fw}\" for kernel module" \ | |
901 | "\"${_modname}.ko\"" | |
902 | else | |
903 | dwarn "Possible missing firmware \"${_fw}\" for kernel module" \ | |
904 | "\"${_modname}.ko\"" | |
905 | fi | |
906 | fi | |
907 | done | |
908 | return 0 | |
909 | } | |
910 | ||
911 | # Do something with all the dependencies of a kernel module. | |
912 | # Note that kernel modules depend on themselves using the technique we use | |
913 | # $1 = function to call for each dependency we find | |
914 | # It will be passed the full path to the found kernel module | |
915 | # $2 = module to get dependencies for | |
916 | # rest of args = arguments to modprobe | |
917 | # _fderr specifies FD passed from surrounding scope | |
918 | for_each_kmod_dep() { | |
919 | local _func=$1 _kmod=$2 _cmd _modpath _options | |
920 | shift 2 | |
921 | modprobe "$@" --ignore-install --show-depends $_kmod 2>&${_fderr} | ( | |
922 | while read _cmd _modpath _options || [ -n "$_cmd" ]; do | |
923 | [[ $_cmd = insmod ]] || continue | |
924 | $_func ${_modpath} || exit $? | |
925 | done | |
926 | ) | |
927 | } | |
928 | ||
929 | dracut_kernel_post() { | |
930 | local _moddirname=${srcmods%%/lib/modules/*} | |
931 | local _pid | |
932 | ||
561eb42f HH |
933 | for _f in modules.builtin.bin modules.builtin modules.order; do |
934 | [[ $srcmods/$_f ]] && inst_simple "$srcmods/$_f" "/lib/modules/$kernel/$_f" | |
935 | done | |
936 | ||
937 | # generate module dependencies for the initrd | |
938 | if [[ -d $initdir/lib/modules/$kernel ]] && \ | |
939 | ! depmod -a -b "$initdir" $kernel; then | |
940 | dfatal "\"depmod -a $kernel\" failed." | |
941 | exit 1 | |
942 | fi | |
943 | ||
561eb42f HH |
944 | } |
945 | ||
561eb42f | 946 | instmods() { |
794b2d2c HH |
947 | # instmods [-c [-s]] <kernel module> [<kernel module> ... ] |
948 | # instmods [-c [-s]] <kernel subsystem> | |
949 | # install kernel modules along with all their dependencies. | |
950 | # <kernel subsystem> can be e.g. "=block" or "=drivers/usb/storage" | |
951 | # -c check | |
952 | # -s silent | |
953 | local _optional="-o" | |
954 | local _silent | |
955 | local _ret | |
9bb030c5 | 956 | |
561eb42f | 957 | [[ $no_kernel = yes ]] && return |
9bb030c5 | 958 | |
561eb42f | 959 | if [[ $1 = '-c' ]]; then |
9bb030c5 | 960 | unset _optional |
561eb42f HH |
961 | shift |
962 | fi | |
561eb42f | 963 | if [[ $1 = '-s' ]]; then |
794b2d2c | 964 | _silent=1 |
561eb42f HH |
965 | shift |
966 | fi | |
9bb030c5 | 967 | |
794b2d2c HH |
968 | if (($# == 0)); then |
969 | read -r -d '' -a args | |
970 | set -- "${args[@]}" | |
971 | fi | |
9bb030c5 HH |
972 | |
973 | $DRACUT_INSTALL \ | |
974 | ${initdir:+-D "$initdir"} \ | |
975 | ${loginstall:+-L "$loginstall"} \ | |
976 | ${hostonly:+-H} \ | |
977 | ${omit_drivers:+-N "$omit_drivers"} \ | |
978 | ${srcmods:+--kerneldir "$srcmods"} \ | |
979 | ${_optional:+-o} \ | |
980 | ${_silent:+--silent} \ | |
981 | -m "$@" | |
561eb42f | 982 | _ret=$? |
9bb030c5 HH |
983 | |
984 | if (($_ret != 0)) && [[ -z "$_silent" ]]; then | |
985 | derror "FAILED: " \ | |
986 | $DRACUT_INSTALL \ | |
987 | ${initdir:+-D "$initdir"} \ | |
988 | ${loginstall:+-L "$loginstall"} \ | |
989 | ${hostonly:+-H} \ | |
990 | ${omit_drivers:+-N "$omit_drivers"} \ | |
991 | ${srcmods:+--kerneldir "$srcmods"} \ | |
992 | ${_optional:+-o} \ | |
993 | ${_silent:+--silent} \ | |
994 | -m "$@" | |
995 | fi | |
996 | ||
794b2d2c | 997 | [[ "$optional" ]] && return 0 |
561eb42f HH |
998 | return $_ret |
999 | } |