summaryrefslogtreecommitdiffstats
path: root/FUNCTIONS
blob: cbe81ea5b780aed840af9c9cf09c0074a3aba19c (plain) (blame)
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
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
. $GRIMOIRE/libaccount
. $GRIMOIRE/libgcc

#---------------------------------------------------------------------
## Replaces sorcerys default_pre_build with a custom version using
## the invoke_gcc function from libgcc #10641
#---------------------------------------------------------------------
function default_pre_build () {
  invoke_gcc  &&
  real_default_pre_build
}

#---------------------------------------------------------------------
## @return 0 if glibc was compiled with NPTL
## @return 1 otherwise
##
## Detects if the current glibc includes NPTL support.
##
#---------------------------------------------------------------------
function glibc_is_nptl ()
{
  if getconf GNU_LIBPTHREAD_VERSION | grep -q NPTL; then
    return 0
  fi
  return 1
}

#---------------------------------------------------------------------
# Runs update-desktop-database if it is installed
#---------------------------------------------------------------------
function update_desktop_database ()
{
  if test -x /usr/bin/update-desktop-database; then
    message "${MESSAGE_COLOR}Updating application mime type database.${DEFAULT_COLOR}"
    /usr/bin/update-desktop-database
  fi
}

#---------------------------------------------------------------------
## this function installs the *.desktop, start* files and qingy links
## this function is intended to be used by spells for windowmanagers
#---------------------------------------------------------------------
function install_wmfiles ()
{
  local wm_desktopfile_dir="${INSTALL_ROOT}/usr/share/xsessions"
  local wm_startwm_dir="${INSTALL_ROOT}/usr/bin"

  # install the start* file for the windowmanager if it's not
  # installed already
  if [ -f ${SCRIPT_DIRECTORY}/start${SPELL} ] ; then
    if ! [ -e ${wm_startwm}/start${SPELL} ] ; then
      install  -m  755  ${SCRIPT_DIRECTORY}/start${SPELL}     \
                        ${wm_startwm_dir}
    fi
  fi

  # making sure the destination directory exists
  if ! [ -d  ${wm_desktopfile_dir} ] ; then
      mkdir  ${wm_desktopfile_dir}
  fi                                                        &&

  # install the windowmanagers desktop file
  if [ -f ${SCRIPT_DIRECTORY}/${SPELL}.desktop ] ; then
    if ! [ -e ${wm_desktopfile_dir}/${SPELL}.desktop ]; then
      install  -m  755  ${SCRIPT_DIRECTORY}/${SPELL}.desktop   \
                        ${wm_desktopfile_dir}
    fi
  fi

  if ( spell_ok qingy ); then
    if [ -x ${wm_startwm_dir}/start${SPELL} ] ; then
      if  [  !  -d  ${INSTALL_ROOT}/etc/qingy/xsessions  ];  then
        install  -d  -m  755  ${INSTALL_ROOT}/etc/qingy/xsessions
      fi                                                 &&
      ln -s ${wm_startwm_dir}/start${SPELL}              \
            ${INSTALL_ROOT}/etc/qingy/xsessions/${SPELL}
    fi
  fi
}

#---------------------------------------------------------------------
## Sets the current script to run only one make job
#---------------------------------------------------------------------

function make_single ()
{
  JOBS_PER_HOST=0  &&
     MAKE_NJOBS=1
}

#---------------------------------------------------------------------
## Re-enables the normal Sorcery make (cancels single_make)
#---------------------------------------------------------------------

function make_normal ()
{
  source $COMPILE_CONFIG
}

#---------------------------------------------------------------------
## @param shellname
## @param full path to shell
##
## Adds a shell to /etc/shells and optionally to qingy's sessions
#---------------------------------------------------------------------
function install_shell ()
{
  local qingy_session_dir="${INSTALL_ROOT}/etc/qingy/sessions"

  if [ -z "$1" ] ; then
    message "${PROBLEM_COLOR}no shell name specified, aborting${DEFAULT_COLOR}"
    return 1
  fi &&
  if [ ! -e "$2" ] ; then
    message "${PROBLEM_COLOR} $2 isn't executable, no use adding it as a shell${DEFAULT_COLOR}"
    return 1
  fi &&

  #installing shell into /etc/shells
  message "installing $1 into /etc/shells"
  if ! ( grep -q "^${2}$" ${INSTALL_ROOT}/etc/shells ) ; then
    echo "$2" >> ${INSTALL_ROOT}/etc/shells
  fi || return 1

  #installing shell into qingy's session dir if it's installed
  if ( spell_ok qingy ) && ! [ -f ${qingy_session_dir}/$1 ] ; then
    message "installing $1 into $qingy_session_dir"
    echo "$2" > ${qingy_session_dir}/$1 &&
    chmod 0755 ${qingy_session_dir}/$1
  fi
}

#---------------------------------------------------------------------
## @param shellname
## @param full path to shell
##
## Removes a shell from /etc/shells and optionally from qingy's sessions
#---------------------------------------------------------------------
function remove_shell ()
{
  local qingy_session_dir="${INSTALL_ROOT}/etc/qingy/sessions"

  if [ -z "$1" ] ; then
    message "${PROBLEM_COLOR}no shell name specified, aborting${DEFAULT_COLOR}"
    return 1
  fi &&
  if [ -z "$2" ] ; then
    message "${PROBLEM_COLOR}no shell path specified, aborting${DEFAULT_COLOR}"
    return 1
  fi &&

  #removing shell from /etc/shells
  if  [  -f  /etc/shells  ]  ;  then
    sedit "\:^$2$:d"  /etc/shells
  fi

  # and optionally from qingy's session dir
  if [ -f ${qingy_session_dir}/$1 ] ; then
    message "removing $1 from $qingy_session_dir"
    rm -f ${qingy_session_dir}/$1
  fi
}


#---------------------------------------------------------------------
## replacement for config_query_string to work around a short timeout
## when entering long strings (hostnames, organisation names)
#---------------------------------------------------------------------
function config_query_long_string() {
    local ANSWER
    local DELAY=5 
    if config_get_option "$1" ANSWER; then
        # option allready answered in config
        echo -e "[[ ${QUERY_COLOR}$2${DEFAULT} -> '${QUERY_COLOR}$ANSWER${DEFAULT}' ]]"
    else
        query_string ANSWER "$2" "$3"
        read -t $DELAY -n 1 ANSWER_first
        if [[ $ANSWER_first ]] ; then 
          read ANSWER_rest
        fi
        ANSWER="${ANSWER_first}${ANSWER_rest}"
        config_set_option "$1" "$ANSWER"
    fi
    return 0
}

#---------------------------------------------------------------------
## @param Directory with files we might want to install
## @param Destination directory (optional)
##
## Installs files to WWW_DEST ($INSTALL_ROOT/usr/share/www/$SPELL) and
## sets up proper www-data permissions
## Optionally the second parameter will override WWW_DATA (and make
## sure INSTALL_ROOT exists only once in the WWW_DATA)
#---------------------------------------------------------------------
function  install_www_files ()
{
  if  [  !  -z  $2  ];  then
    #
    # Just in case the destination already includes INSTALL_ROOT, remove it
    #
    local  WWW_DEST="$INSTALL_ROOT/${2/\$INSTALL_ROOT/}"
  else
    local  WWW_DEST="$INSTALL_ROOT/usr/share/www/$SPELL"
  fi  &&

  #
  # Make sure WWW_DEST exists
  #
  if  [  !  -d  "$WWW_DEST"  ];  then
    if  [  !  -d  "${WWW_DEST/\/$SPELL/}"  ];  then
      mkdir  -p  "${WWW_DEST/\/$SPELL/}"                   &&
      chmod  0755                 "${WWW_DEST/\/$SPELL/}"  &&
      chown  www-data:www-data    "${WWW_DEST/\/$SPELL/}"
    fi  &&

    mkdir  -p  "$WWW_DEST"                   &&
    chmod  0755                 "$WWW_DEST"  &&
    chown  www-data:www-data    "$WWW_DEST"
  fi  &&

  # find $@ | while read file; do install ... $file ...; done
  # find  $1  -type  -f  |  while  read  file;  do
  for  www_file  in  `find  $1  -type  f`;  do
    if  install_config_file  "$www_file"   "$WWW_DEST/$www_file";  then
      chmod  0644                 "$WWW_DEST/$www_file"  &&
      chown  www-data:www-data    "$WWW_DEST/$www_file"
    fi
  done
  #
  # Warning message about new location for www files
  # Remove around 2005-08-02 (one month in test, another in stable, supposedly)
  #
  message  "${MESSAGE_COLOR}Your web files have been moved out of the"        \
           "APACHE specific locations (apache2/htdocs, httpd/htdocs, etc.)"   \
           "and into a shared, non-DocumentRoot $INSTALL_ROOT/usr/share/www"  \
           "directory. You can modify your web server to point there for"     \
           "these files now.${DEFAULT_COLOR}"
}

#---------------------------------------------------------------------
## Removes traces of NSPR and NSS from Mozilla-based software
## TODO move patch to a central place
#---------------------------------------------------------------------
function mozilla_remove_nspr_nss() {
  message 'Checking Mozilla source code...' &&
  [[ "$(basename $(pwd))" == mozilla ]] &&
  message 'Checking the spell...' &&
  [[ -f $SCRIPT_DIRECTORY/security_manager_makefile.diff ]] &&
  patch -p1 < $SCRIPT_DIRECTORY/security_manager_makefile.diff &&
  rm -fr dbm nsprpub security/nss &&
  # exclude DBM for top-level modules and don't build it
  sedit 's@\<dbm\>@@g' Makefile.in &&
  sedit 's@\<dbm\>@@g' build/unix/modules.mk &&
  # don't define NSS libraries as dependencies and don't look for them in the tree
  sedit 's@$(DIST)/lib/$(LIB_PREFIX)\(crmf\|dbm\|nss3\|softokn3\|smime3\|ssl3\)\.$(LIB_SUFFIX)@-l\1@g' config/config.mk &&
  sedit 's@NSS_DEP_LIBS\s*=@__undefine_\0@g' config/config.mk &&
  # align the makefile-s
  find -name Makefile.in | while read __MAKEFILE; do
    # use system NSPR's and NSS's headers
    # option `--with-system-nspr' doesn't do it everywhere
    sedit 's@-I\S*\(nss\|nspr\)\>@-I/usr/include/\1@g' $__MAKEFILE
  done
}

#-------------------------------------------------------------------------
## Returns the kernel version checks linux then linux-new (for now) and
## then uname for the kernel version
#-------------------------------------------------------------------------
function get_kernel_version()
{
  local KVER=$(installed_version linux)
  if [[ $KVER ]] ; then
    echo $KVER
  else
    KVER=$(installed_version linux-new)
    if [[ $KVER ]] ; then
      echo $KVER
    else
      KVER=$(grep version /usr/src/linux/.config | cut -d: -f2 | cut -d ' ' -f2)
      if [ $KVER ] && [ -d "/lib/modules/${KVER}/build" ] ; then
         echo $KVER
      else
        KVER=$(uname -r)
        echo $KVER
      fi
    fi
  fi
}

#---------------------------------------------------------------------------
## Invokes the unamechange spell any spell that uses this should depend on
## unamechange otherwise this function does nothing.
## to use this function simply call then change the variables listed ro have
## any call to uname return that value
#--------------------------------------------------------------------------
function invoke_uname_change()
{
  if [[ $(installed_version unamechange) ]] ; then
    export UNAME_CHANGE_SYSNAME=$(uname -s)
    export UNAME_CHANGE_NODENAME=$(uname -n)
    export UNAME_CHANGE_RELEASE=$(uname -r)
    export UNAME_CHANGE_VERSION=$(uname -v)
    export UNAME_CHANGE_MACHINE=$(uname -m)
    export UNAME_CHANGE_DOMAINNAME=$(uname -o)

    export LD_PRELOAD="${LD_PRELOAD} /usr/lib/unamechange.so"
  fi
}

#-------------------------------------------------------------------------
## Returns the state of the system back to normal after calling 
## invoke_uname_change unset's all environmental vars and returns
## LD_PRELOAD back to normal
#-------------------------------------------------------------------------
function devoke_uname_change()
{
  if [[ $(installed_version unamechange) ]] ; then
    unset UNAME_CHANGE_SYSNAME
    unset UNAME_CHANGE_NODENAME
    unset UNAME_CHANGE_RELEASE
    unset UNAME_CHANGE_VERSION
    unset UNAME_CHANGE_MACHINE
    unset UNAME_CHANGE_DOMAINNAME

    export LD_PRELOAD="${LD_PRELOAD/\/usr\/lib\/unamechange.so/}"
  fi
}

#-----------------------------------------------------------------------
## Get the kernel config status of the kernel option specified by $2.
## Kernel version is given by $1.
## 
## If a configure file is found print the requested config status (if
## any) and return 0, otherwise return 1.
##-----------------------------------------------------------------------
function get_kernel_config_ver()
{
  local i
  for i in /proc/config /boot/config-"$1" /lib/modules/"$1"/build/.config
  do
    if [ -f "$i" ]; then
      cat "$i" && break
    elif [ -f "$i.gz" ]; then
      zcat "$i.gz" && break
    elif [ -f "$i.bz2" ]; then
      bzcat "$i.bz2" && break
    elif [ -f "$i.xz" ]; then
      xzcat "$i.xz" && break
    elif [ -f "$i.lzma" ]; then
      xzcat "$i.lzma" && break
    fi
  done | grep "^$2=" | awk -F= '{ if ($2) { print $2 }; exit (!$2) }'
}

#-----------------------------------------------------------------------
## Get the running kernel config status of the running kernel option
## given by $1.
##
## See also: get_specified_kernel_config
#-----------------------------------------------------------------------
function get_running_kernel_config()
{
  get_kernel_config_ver $(get_running_kernel_version) "$1"
}

#-------------------------------------------------------------------------
## Get the config status of some part of the kernel sorcery says is 
## installed. Used by spells that have linux triggers.
##
## $1 string Config var to look for
#-------------------------------------------------------------------------
function get_sorcery_kernel_config()
{
  get_kernel_config_ver $(get_kernel_version) || echo "-1"
}


#-------------------------------------------------------------------------
## Compatibility code for gracefully failing if the user uses an older
## version of sorcery with a spell that calls unpack_file.
#-------------------------------------------------------------------------
declare -f unpack_file &> /dev/null ||
function unpack_file() {
  message "This spell uses a function only available in sorcery 1.12.2 or newer, please update."
  return 1
}

#-------------------------------------------------------------------------
## Default build for Python spell.
#-------------------------------------------------------------------------
function default_build_python() {
  python setup.py build
}

#-------------------------------------------------------------------------
## Default install for Python spell.
## INSTALL_ROOT is used here only if not empty, because some spells can't
## install with "--root '/'" option.
#-------------------------------------------------------------------------
function default_install_python() {
  python setup.py install ${INSTALL_ROOT:+--root "$INSTALL_ROOT/"}
}

#-------------------------------------------------------------------------
## Compatibility code for gracefully failing if the user uses an older
## version of sorcery with a spell that calls unpack_file.
#-------------------------------------------------------------------------
declare -f unpack_file &> /dev/null ||
function unpack_file() {
  message "This spell uses a function only available in sorcery 1.12.2 or newer, please update."
  return 1
}

#-------------------------------------------------------------------------
## compatibility code for stable and test sorcery
## this should be removed when SMGL_COMPAT_ARCHS reaches stable sorcery
#-------------------------------------------------------------------------
if [[ -z $SMGL_COMPAT_ARCHS ]] ; then
	local SPECFILE
	local specdir
	for specdir in ${ARCH_SPECS[@]} ; do
		SPECFILE=$(find -L ${specdir} -perm -400 -type f -name "$ARCHITECTURE" -print -quit 2>/dev/null);
		[ $SPECFILE ] && break
	done
	explode "${SPECFILE#$specdir/}" '/' SMGL_COMPAT_ARCHS
	
	unset ARCHITECTURE
	# Reverse the array so that the most specific arch is first
	j=0
	for(( i=${#SMGL_COMPAT_ARCHS[@]}-1; i>=0; i--)) ; do
		ARCHITECTURE[j++]=${SMGL_COMPAT_ARCHS[i]}
	done
fi


#---
## disable_pic
## A function to smartly disable -DPIC and -fPIC flags
## has one optional parameter: force which forces disable
#---

disable_pic() {
  if [[ "${SMGL_COMPAT_ARCHS[1]}" != "x86_64" ]] &&
     [[ "${SMGL_COMPAT_ARCHS[1]}" != "em64t"  ]] &&
     [[ "${SMGL_COMPAT_ARCHS[1]}" != "alpha"  ]] ||
     [[ "$1" == "force" ]]
  then
    CFLAGS=${CFLAGS/-fPIC}                    &&
    CFLAGS=${CFLAGS/-DPIC}                    &&
    CXXFLAGS=${CXXFLAGS/-fPIC}                &&
    CXXFLAGS=${CXXFLAGS/-DPIC}
  fi
}
#
## Function to check if we're using xorg-modular libs or not
#

function check_if_xorg_modular_libs()
{
  if  [[  "$(get_spell_provider  ${1:-$SPELL}  X11-LIBS)"  ==  "xorg-server"  ]] ||
      [[  "$(get_spell_provider  ${1:-$SPELL}  X11-LIBS)"  ==  "xorg-libs"  ]]     
  then
     return 0
  fi
  return 1
}

#
## Function to check if we're using xorg-modular server or not
#

function check_if_xorg_modular_server()
{
  if  [[  "$(get_spell_provider  ${1:-$SPELL}  X11-SERVER)"  ==  "xorg-server"  ]]
  then
     return 0
  fi
  return 1
}

#---
## @Synopsis a parse_iw clone function
#---

function grimoire_parse_iw()  {
  local INPUT=$1
  
  # it is EXTREMELY IMPORTANT that this variable contains an actual
  # tab character and not some number of spaces. Otherwise BAD THINGS
  # will happen.
  local TAB="	"
  OMIT_IN="${TAB}rename\|${TAB}symlink\|${TAB}unlink"
  
  grep -v "$OMIT_IN" $INPUT | cut -f3 | grep "^/"
  cat                $INPUT | cut -f4 | grep "^/"
}

#---
## @Synopsis an exists clone function
#---
function grimoire_exists()  {
  while  read  ITEM;  do  [  -e  "$ITEM"  ]  &&  echo  "$ITEM";  done;
}

#---
## @Synopsis default_games_build function to replace
## @Synopsis all the duplication of the same stuff in games-grimoire
#---

function default_games_build() {
  OPTS="$OPTS --bindir=${INSTALL_ROOT}/usr/games \
  --datadir=${INSTALL_ROOT}/usr/share/games \
  --localstatedir=${INSTALL_ROOT}/var/games"  &&
  default_build
}

#---
## @Synopsis A function to find all dirs and files and set them to
## @Synopsis proper permissions.
#---

function find_and_scam() {
  find ./ -type d -print0 | xargs -r -0 -n 1 chmod 0750
  find ./ -type d -print0 | xargs -r -0 -n 1 chown root:games
  find ./ -type f -print0 | xargs -r -0 -n 1 chmod 0640
  find ./ -type f -print0 | xargs -r -0 -n 1 chown root:games
}

#---
## @Synopsis games_make_proper_binary function to make all
## @Synopsis binaries in /usr/games chown root:games and
## @Synopsis chmod 0750.
#---

function games_make_proper_binary() {
if grep -q "usr/games/" $IW_LOG > /dev/null 2>&1
then
  grimoire_parse_iw $IW_LOG | grimoire_exists | sort | grep "usr/games/" | xargs -r -n 1 chmod -f 0750
  grimoire_parse_iw $IW_LOG | grimoire_exists | sort | grep "usr/games/" | xargs -r -n 1 chown -f root:games
elif [[ $STAGED_INSTALL == on ]]
then
  echo "doing the stage root thing"
  find $STAGE_DIRECTORY/TRANSL/ | sed "s#$STAGE_DIRECTORY/##" | grep '^TRANSL/usr/games' | xargs -r -n 1 chmod -f 0750
  find $STAGE_DIRECTORY/TRANSL/ | sed "s#$STAGE_DIRECTORY/##" | grep '^TRANSL/usr/games' | xargs -r -n 1 chown -f root:games
else
message "${QUERY_COLOR}If you see this message and you're not \n \
installing a data spell then report this at the following url: \n \
http://bugs.sourcemage.org/enter_bug.cgi?product=Codex&bug_status=NEW&version=games%20grimoire&component=games%20grimoire&re
p_platform=Other&op_sys=other&priority=P2&bug_severity=minor&assigned_to=games%40sourcemage.org&cc=&bug_file_loc=http%3A%2F%
2F&short_desc=${SPELL}%20not%20installing%20binaries%20properly&comment=&dependson=&blocked=9312&maketemplate=Remember%20val
ues%20as%20bookmarkable%20template&form_name=enter_bug \
${DEFAULT_COLOR}"
fi
}

#---
## @Synopsis default_games_post_install function to
## @Synopsis clean out any empty share/games/SPELL dirs
## @Synopsis clean out any empty gather docs dirs
## @Synopsis and run the real_default_post_install afterwards
#---

function default_games_post_install() {
  games_make_proper_binary &&
  if [[ $STAGED_INSTALL == on ]]; then
    rmdir --ignore-fail-on-non-empty ${STAGE_DIRECTORY}/TRANSL/usr/share/games/${SPELL} &&
    rmdir --ignore-fail-on-non-empty ${STAGE_DIRECTORY}/TRANSL/usr/share/games          &&
    rmdir --ignore-fail-on-non-empty ${STAGE_DIRECTORY}/TRANSL/usr/share/doc/${SPELL}   &&
    rmdir --ignore-fail-on-non-empty ${STAGE_DIRECTORY}/TRANSL/usr/share/doc            &&
    rmdir --ignore-fail-on-non-empty ${STAGE_DIRECTORY}/TRANSL/usr/share
  else
    rmdir --ignore-fail-on-non-empty ${INSTALL_ROOT}/usr/share/games/${SPELL} &&
    rmdir --ignore-fail-on-non-empty ${INSTALL_ROOT}/usr/share/games          &&
    rmdir --ignore-fail-on-non-empty ${INSTALL_ROOT}/usr/share/doc/${SPELL}   &&
    rmdir --ignore-fail-on-non-empty ${INSTALL_ROOT}/usr/share/doc            &&
    rmdir --ignore-fail-on-non-empty ${INSTALL_ROOT}/usr/share
  fi
  real_default_post_install
}

#-------------------------------------------------------------------------
## Print the version of the running kernel.
#-------------------------------------------------------------------------
function get_running_kernel_version()
{
  # Try the proc interface first because it returns the version of the
  # running kernel even when unamechange is invoked.
  [[ -f /proc/sys/kernel/osrelease ]] && cat /proc/sys/kernel/osrelease ||
    uname -r
}

#-------------------------------------------------------------------------
## Print the version of the installed linux spell or, lacking that, "-1".
## This is just a wrapper for 'installed_version linux' with the exception
## that this will always print something and not return false.
#-------------------------------------------------------------------------
function get_sorcery_kernel_version()
{
  installed_version linux || echo "-1"
}

#-----------------------------------------------------------------------
## Print the kernel config status of the installed linux spell for the 
## option defined in $1.
## If the linux spell is installed and a configure file is found print
## the requested config status (if any) and return 0, otherwise return
## 1.
#-----------------------------------------------------------------------
function get_sorcery_kernel_config()
{
  local KVER="$(installed_version linux)"
  if [[ $KVER ]]
  then
    get_kernel_config_ver "$KVER" "$1"
  else
    return 1
  fi
}

#-----------------------------------------------------------------------
## Print the kernel config status for the option defined in $1 from the
## kernel defined in USE_KERNEL_VERSION or, lacking that, from either
## the installed linux spell or the running kernel.
## If a configure file is found print the requested config status (if
## any) and return 0, otherwise return 1.
#-----------------------------------------------------------------------
function get_kernel_config()
{
  if [[ $USE_KERNEL_VERSION ]]
  then
    get_kernel_config_ver "$USE_KERNEL_VERSION" "$1"
  else
    get_sorcery_kernel_config "$1" || get_running_kernel_config "$1"
  fi
}