1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
|
#!/bin/bash
#
# inst bits ruthlessly and viciously stolen from dracut
[ -z "$DESTDIR" ] || exit 0
[ -z "$PLYMOUTH_LIBEXECDIR" ] && PLYMOUTH_LIBEXECDIR="@PLYMOUTH_LIBEXECDIR@"
[ -z "$PLYMOUTH_DATADIR" ] && PLYMOUTH_DATADIR="@PLYMOUTH_DATADIR@"
[ -z "$PLYMOUTH_PLUGIN_PATH" ] && PLYMOUTH_PLUGIN_PATH="$(plymouth --get-splash-plugin-path)"
[ -z "$PLYMOUTH_LOGO_FILE" ] && PLYMOUTH_LOGO_FILE="@PLYMOUTH_LOGO_FILE@"
[ -n "$PLYMOUTH_THEME_NAME" ] && THEME_OVERRIDE=1
[ -z "$PLYMOUTH_THEME_NAME" ] && PLYMOUTH_THEME_NAME=$(plymouth-set-default-theme)
[ -z "$PLYMOUTH_CONFDIR" ] && PLYMOUTH_CONFDIR="@PLYMOUTH_CONF_DIR@"
[ -z "$PLYMOUTH_POLICYDIR" ] && PLYMOUTH_POLICYDIR="@PLYMOUTH_POLICY_DIR@"
[ -z "$PLYMOUTH_DAEMON_PATH" ] && PLYMOUTH_DAEMON_PATH="@PLYMOUTH_DAEMON_DIR@/plymouthd"
[ -z "$PLYMOUTH_CLIENT_PATH" ] && PLYMOUTH_CLIENT_PATH="@PLYMOUTH_CLIENT_DIR@/plymouth"
[ -z "$SYSTEMD_UNIT_DIR" ] && SYSTEMD_UNIT_DIR="@SYSTEMD_UNIT_DIR@"
# Generic substring function. If $2 is in $1, return 0.
strstr() { [ "${1#*$2*}" != "$1" ]; }
ddebug() {
[ "$verbose" = "true" ] && echo "$@"
}
# normalize_path <path>
# Prints the normalized path, where it removes any duplicated
# and trailing slashes.
# Example:
# $ normalize_path ///test/test//
# /test/test
normalize_path() {
shopt -q -s extglob
set -- "${1//+(\/)//}"
shopt -q -u extglob
echo "${1%/}"
}
# convert_abs_rel <from> <to>
# Prints the relative path, when creating a symlink to <to> from <from>.
# Example:
# $ convert_abs_rel /usr/bin/test /bin/test-2
# ../../bin/test-2
# $ ln -s $(convert_abs_rel /usr/bin/test /bin/test-2) /usr/bin/test
convert_abs_rel() {
local __current __absolute __abssize __cursize __newpath
local -i __i __level
set -- "$(normalize_path "$1")" "$(normalize_path "$2")"
# corner case #1 - self looping link
[[ "$1" == "$2" ]] && { echo "${1##*/}"; return; }
# corner case #2 - own dir link
[[ "${1%/*}" == "$2" ]] && { echo "."; return; }
IFS="/" __current=($1)
IFS="/" __absolute=($2)
__abssize=${#__absolute[@]}
__cursize=${#__current[@]}
while [[ ${__absolute[__level]} == ${__current[__level]} ]]
do
(( __level++ ))
if (( __level > __abssize || __level > __cursize ))
then
break
fi
done
for ((__i = __level; __i < __cursize-1; __i++))
do
if ((__i > __level))
then
__newpath=$__newpath"/"
fi
__newpath=$__newpath".."
done
for ((__i = __level; __i < __abssize; __i++))
do
if [[ -n $__newpath ]]
then
__newpath=$__newpath"/"
fi
__newpath=$__newpath${__absolute[__i]}
done
echo "$__newpath"
}
# Install a directory, keeping symlinks as on the original system.
# Example: if /lib points to /lib64 on the host, "inst_dir /lib/file"
# will create ${initdir}/lib64, ${initdir}/lib64/file,
# and a symlink ${initdir}/lib -> lib64.
inst_dir() {
[[ -e ${initdir}/"$1" ]] && return 0 # already there
local _dir="$1" _part="${1%/*}" _file
while [[ "$_part" != "${_part%/*}" ]] && ! [[ -e "${initdir}/${_part}" ]]; do
_dir="$_part $_dir"
_part=${_part%/*}
done
# iterate over parent directories
for _file in $_dir; do
[[ -e "${initdir}/$_file" ]] && continue
if [[ -L $_file ]]; then
inst_symlink "$_file"
else
# create directory
mkdir -m 0755 -p "${initdir}/$_file" || return 1
[[ -e "$_file" ]] && chmod --reference="$_file" "${initdir}/$_file"
chmod u+w "${initdir}/$_file"
fi
done
}
# $1 = file to copy to ramdisk
# $2 (optional) Name for the file on the ramdisk
# Location of the image dir is assumed to be $initdir
# We never overwrite the target if it exists.
inst_simple() {
[[ -f "$1" ]] || return 1
strstr "$1" "/" || return 1
local _src=$1 target="${2:-$1}"
if ! [[ -d ${initdir}/$target ]]; then
[[ -e ${initdir}/$target ]] && return 0
[[ -L ${initdir}/$target ]] && return 0
[[ -d "${initdir}/${target%/*}" ]] || inst_dir "${target%/*}"
fi
# install checksum files also
if [[ -e "${_src%/*}/.${_src##*/}.hmac" ]]; then
inst "${_src%/*}/.${_src##*/}.hmac" "${target%/*}/.${target##*/}.hmac"
fi
ddebug "Installing $_src"
cp --sparse=always -pfL "$_src" "${initdir}/$target"
}
# find symlinks linked to given library file
# $1 = library file
# Function searches for symlinks by stripping version numbers appended to
# library filename, checks if it points to the same target and finally
# prints the list of symlinks to stdout.
#
# Example:
# rev_lib_symlinks libfoo.so.8.1
# output: libfoo.so.8 libfoo.so
# (Only if libfoo.so.8 and libfoo.so exists on host system.)
rev_lib_symlinks() {
[[ ! $1 ]] && return 0
local fn="$1" orig="$(readlink -f "$1")" links=''
[[ ${fn} =~ .*\.so\..* ]] || return 1
until [[ ${fn##*.} == so ]]; do
fn="${fn%.*}"
[[ -L ${fn} && $(readlink -f "${fn}") == ${orig} ]] && links+=" ${fn}"
done
echo "${links}"
}
# Same as above, but specialized to handle dynamic libraries.
# It handles making symlinks according to how the original library
# is referenced.
inst_library() {
local _src="$1" _dest=${2:-$1} _lib _reallib _symlink
strstr "$1" "/" || return 1
[[ -e $initdir/$_dest ]] && return 0
if [[ -L $_src ]]; then
# install checksum files also
if [[ -e "${_src%/*}/.${_src##*/}.hmac" ]]; then
inst "${_src%/*}/.${_src##*/}.hmac" "${_dest%/*}/.${_dest##*/}.hmac"
fi
_reallib=$(readlink -f "$_src")
inst_simple "$_reallib" "$_reallib"
inst_dir "${_dest%/*}"
[[ -d "${_dest%/*}" ]] && _dest=$(readlink -f "${_dest%/*}")/${_dest##*/}
ln -sfn $(convert_abs_rel "${_dest}" "${_reallib}") "${initdir}/${_dest}"
else
inst_simple "$_src" "$_dest"
fi
# Create additional symlinks. See rev_symlinks description.
for _symlink in $(rev_lib_symlinks $_src) $(rev_lib_symlinks $_reallib); do
[[ ! -e $initdir/$_symlink ]] && {
ddebug "Creating extra symlink: $_symlink"
inst_symlink $_symlink
}
done
}
# find a binary. If we were not passed the full path directly,
# search in the usual places to find the binary.
find_binary() {
if [[ -z ${1##/*} ]]; then
if [[ -x $1 ]] || { strstr "$1" ".so" && ldd $1 &>/dev/null; }; then
echo $1
return 0
fi
fi
type -P $1
}
# Same as above, but specialized to install binary executables.
# Install binary executable, and all shared library dependencies, if any.
inst_binary() {
local _bin _target
_bin=$(find_binary "$1") || return 1
_target=${2:-$_bin}
[[ -e $initdir/$_target ]] && return 0
[[ -L $_bin ]] && inst_symlink $_bin $_target && return 0
local _file _line
local _so_regex='([^ ]*/lib[^/]*/[^ ]*\.so[^ ]*)'
# I love bash!
LC_ALL=C ldd "$_bin" 2>/dev/null | while read _line; do
[[ $_line = 'not a dynamic executable' ]] && break
if [[ $_line =~ $_so_regex ]]; then
_file=${BASH_REMATCH[1]}
[[ -e ${initdir}/$_file ]] && continue
inst_library "$_file"
continue
fi
if [[ $_line =~ not\ found ]]; then
dfatal "Missing a shared library required by $_bin."
dfatal "Run \"ldd $_bin\" to find out what it is."
dfatal "$_line"
dfatal "dracut cannot create an initrd."
exit 1
fi
done
inst_simple "$_bin" "$_target"
}
# same as above, except for shell scripts.
# If your shell script does not start with shebang, it is not a shell script.
inst_script() {
local _bin
_bin=$(find_binary "$1") || return 1
shift
local _line _shebang_regex
read -r -n 80 _line <"$_bin"
# If debug is set, clean unprintable chars to prevent messing up the term
[[ $debug ]] && _line=$(echo -n "$_line" | tr -c -d '[:print:][:space:]')
_shebang_regex='(#! *)(/[^ ]+).*'
[[ $_line =~ $_shebang_regex ]] || return 1
inst "${BASH_REMATCH[2]}" && inst_simple "$_bin" "$@"
}
# same as above, but specialized for symlinks
inst_symlink() {
local _src=$1 _target=${2:-$1} _realsrc
strstr "$1" "/" || return 1
[[ -L $1 ]] || return 1
[[ -L $initdir/$_target ]] && return 0
_realsrc=$(readlink -f "$_src")
if ! [[ -e $initdir/$_realsrc ]]; then
if [[ -d $_realsrc ]]; then
inst_dir "$_realsrc"
else
inst "$_realsrc"
fi
fi
[[ ! -e $initdir/${_target%/*} ]] && inst_dir "${_target%/*}"
[[ -d ${_target%/*} ]] && _target=$(readlink -f ${_target%/*})/${_target##*/}
ln -sfn $(convert_abs_rel "${_target}" "${_realsrc}") "$initdir/$_target"
}
# general purpose installation function
# Same args as above.
inst() {
local _x
case $# in
1) ;;
2) [[ ! $initdir && -d $2 ]] && export initdir=$2
[[ $initdir = $2 ]] && set $1;;
3) [[ -z $initdir ]] && export initdir=$2
set $1 $3;;
*) dfatal "inst only takes 1 or 2 or 3 arguments"
exit 1;;
esac
for _x in inst_symlink inst_script inst_binary inst_simple; do
$_x "$@" && return 0
done
return 1
}
# install function specialized for hooks
# $1 = type of hook, $2 = hook priority (lower runs first), $3 = hook
# All hooks should be POSIX/SuS compliant, they will be sourced by init.
inst_hook() {
if ! [[ -f $3 ]]; then
dfatal "Cannot install a hook ($3) that does not exist."
dfatal "Aborting initrd creation."
exit 1
elif ! strstr "$hookdirs" "$1"; then
dfatal "No such hook type $1. Aborting initrd creation."
exit 1
fi
inst_simple "$3" "/lib/dracut/hooks/${1}/${2}${3##*/}"
}
# install any of listed files
#
# If first argument is '-d' and second some destination path, first accessible
# source is installed into this path, otherwise it will installed in the same
# path as source. If none of listed files was installed, function return 1.
# On first successful installation it returns with 0 status.
#
# Example:
#
# inst_any -d /bin/foo /bin/bar /bin/baz
#
# Lets assume that /bin/baz exists, so it will be installed as /bin/foo in
# initramfs.
inst_any() {
local to f
[[ $1 = '-d' ]] && to="$2" && shift 2
for f in "$@"; do
if [[ -e $f ]]; then
[[ $to ]] && inst "$f" "$to" && return 0
inst "$f" && return 0
fi
done
return 1
}
function usage() {
local output="/dev/stdout"
local rc=0
if [ "$1" == "error" ]; then
output=">&2"
rc=1
fi
echo "usage: plymouth [ --verbose | -v ] { --targetdir | -t } <initrd_directory>" > $output
exit $rc
}
verbose=false
INITRDDIR=""
while [ $# -gt 0 ]; do
case $1 in
--verbose|-v)
verbose=true
;;
--targetdir|-t)
shift
INITRDDIR="$1"
;;
--help|-h)
usage normal
;;
*)
usage error
break
;;
esac
shift
done
[ -z "$INITRDDIR" ] && usage error
mkdir -p ${INITRDDIR}${PLYMOUTH_DATADIR}/plymouth/themes
inst ${PLYMOUTH_DAEMON_PATH} $INITRDDIR
inst ${PLYMOUTH_CLIENT_PATH} $INITRDDIR
inst ${PLYMOUTH_DATADIR}/plymouth/themes/text/text.plymouth $INITRDDIR
inst ${PLYMOUTH_PLUGIN_PATH}/text.so $INITRDDIR
inst ${PLYMOUTH_DATADIR}/plymouth/themes/details/details.plymouth $INITRDDIR
inst ${PLYMOUTH_PLUGIN_PATH}/details.so $INITRDDIR
inst ${PLYMOUTH_LOGO_FILE} $INITRDDIR
inst @RELEASE_FILE@ $INITRDDIR
inst ${PLYMOUTH_POLICYDIR}/plymouthd.defaults $INITRDDIR
inst ${PLYMOUTH_CONFDIR}/plymouthd.conf $INITRDDIR
if [ -z "$PLYMOUTH_THEME_NAME" ]; then
echo "No default plymouth plugin is set" >&2
exit 1
fi
if [ $THEME_OVERRIDE ]; then
conf=$INITRDDIR/${PLYMOUTH_CONFDIR}/plymouthd.conf
echo "modifying plymouthd.conf: Theme=$PLYMOUTH_THEME_NAME" >&2
sed -i "s/^ *Theme *=.*/# theme modified by plymouth-populate-initrd\nTheme=$PLYMOUTH_THEME_NAME/" $conf
fi
PLYMOUTH_MODULE_NAME=$(grep "ModuleName *= *" ${PLYMOUTH_DATADIR}/plymouth/themes/${PLYMOUTH_THEME_NAME}/${PLYMOUTH_THEME_NAME}.plymouth | sed 's/ModuleName *= *//')
if [ ! -f ${PLYMOUTH_PLUGIN_PATH}/${PLYMOUTH_MODULE_NAME}.so ]; then
echo "The default plymouth plugin (${PLYMOUTH_MODULE_NAME}) doesn't exist" >&2
exit 1
fi
inst ${PLYMOUTH_PLUGIN_PATH}/${PLYMOUTH_MODULE_NAME}.so $INITRDDIR
[ -f "${PLYMOUTH_PLUGIN_PATH}/renderers/drm.so" ] && inst ${PLYMOUTH_PLUGIN_PATH}/renderers/drm.so $INITRDDIR
inst ${PLYMOUTH_PLUGIN_PATH}/renderers/frame-buffer.so $INITRDDIR
if [ -d ${PLYMOUTH_DATADIR}/plymouth/themes/${PLYMOUTH_THEME_NAME} ]; then
for x in ${PLYMOUTH_DATADIR}/plymouth/themes/${PLYMOUTH_THEME_NAME}/* ; do
[ ! -f "$x" ] && continue
inst $x $INITRDDIR
done
fi
if [ -L ${PLYMOUTH_DATADIR}/plymouth/themes/default.plymouth ]; then
cp -a ${PLYMOUTH_DATADIR}/plymouth/themes/default.plymouth $INITRDDIR${PLYMOUTH_DATADIR}/plymouth/themes
fi
if [ -n "$SYSTEMD_UNIT_DIR" -a -d "$SYSTEMD_UNIT_DIR" ]; then
inst $SYSTEMD_UNIT_DIR/systemd-ask-password-plymouth.path $INITRDDIR
inst $SYSTEMD_UNIT_DIR/systemd-ask-password-plymouth.service $INITRDDIR
inst $SYSTEMD_UNIT_DIR/plymouth-switch-root.service $INITRDDIR
inst $SYSTEMD_UNIT_DIR/plymouth-start.service $INITRDDIR
inst $SYSTEMD_UNIT_DIR/plymouth-quit.service $INITRDDIR
inst $SYSTEMD_UNIT_DIR/plymouth-quit-wait.service $INITRDDIR
inst $SYSTEMD_UNIT_DIR/plymouth-reboot.service $INITRDDIR
inst $SYSTEMD_UNIT_DIR/plymouth-kexec.service $INITRDDIR
inst $SYSTEMD_UNIT_DIR/plymouth-poweroff.service $INITRDDIR
inst $SYSTEMD_UNIT_DIR/plymouth-halt.service $INITRDDIR
inst $SYSTEMD_UNIT_DIR/initrd-switch-root.target.wants/plymouth-switch-root.service $INITRDDIR
inst $SYSTEMD_UNIT_DIR/initrd-switch-root.target.wants/plymouth-start.service $INITRDDIR
inst $SYSTEMD_UNIT_DIR/sysinit.target.wants/plymouth-start.service $INITRDDIR
inst $SYSTEMD_UNIT_DIR/multi-user.target.wants/plymouth-quit.service $INITRDDIR
inst $SYSTEMD_UNIT_DIR/multi-user.target.wants/plymouth-quit-wait.service $INITRDDIR
inst $SYSTEMD_UNIT_DIR/reboot.target.wants/plymouth-reboot.service $INITRDDIR
inst $SYSTEMD_UNIT_DIR/kexec.target.wants/plymouth-kexec.service $INITRDDIR
inst $SYSTEMD_UNIT_DIR/poweroff.target.wants/plymouth-poweroff.service $INITRDDIR
inst $SYSTEMD_UNIT_DIR/halt.target.wants/plymouth-halt.service $INITRDDIR
fi
# vim:ts=8:sw=4:sts=4:et
|
