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Revision 1.13 Revision 1.26
1# Copyright 1999-2004 Gentoo Technologies, Inc. 1# Copyright 1999-2004 Gentoo Foundation
2# Distributed under the terms of the GNU General Public License v2 2# Distributed under the terms of the GNU General Public License v2
3# $Header: /var/cvsroot/gentoo-x86/eclass/webapp.eclass,v 1.13 2004/04/30 08:25:38 stuart Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/webapp.eclass,v 1.26 2004/06/28 16:00:29 stuart Exp $
4# 4#
5# eclass/webapp.eclass 5# eclass/webapp.eclass
6# Eclass for installing applications to run under a web server 6# Eclass for installing applications to run under a web server
7# 7#
8# Part of the implementation of GLEP #11 8# Part of the implementation of GLEP #11
9# 9#
10# Author(s) Stuart Herbert <stuart@gentoo.org> 10# Author(s) Stuart Herbert <stuart@gentoo.org>
11# 11#
12# ------------------------------------------------------------------------ 12# ------------------------------------------------------------------------
13# 13#
14# Please do not make modifications to this file without checking with a 14# The master copy of this eclass is held in Stu's subversion repository.
15# member of the web-apps herd first! 15#
16# If you make changes to this file and don't tell Stu, chances are that
17# your changes will be overwritten the next time Stu releases a new version
18# of webapp-config.
16# 19#
17# ------------------------------------------------------------------------ 20# ------------------------------------------------------------------------
18 21
19ECLASS=webapp 22ECLASS=webapp
20INHERITED="$INHERITED $ECLASS" 23INHERITED="$INHERITED $ECLASS"
21SLOT="${PVR}" 24SLOT="${PVR}"
22IUSE="$IUSE vhosts" 25IUSE="$IUSE vhosts"
23DEPEND="$DEPEND >=net-www/webapp-config-1.6" 26DEPEND="$DEPEND >=net-www/webapp-config-1.7 app-portage/gentoolkit"
24 27
25EXPORT_FUNCTIONS pkg_postinst pkg_setup src_install 28EXPORT_FUNCTIONS pkg_postinst pkg_setup src_install pkg_prerm
29
30INSTALL_DIR="/$PN"
31IS_UPGRADE=0
32IS_REPLACE=0
33
34INSTALL_CHECK_FILE="installed_by_webapp_eclass"
35
36ETC_CONFIG="/etc/vhosts/webapp-config"
26 37
27# ------------------------------------------------------------------------ 38# ------------------------------------------------------------------------
28# INTERNAL FUNCTION - USED BY THIS ECLASS ONLY 39# INTERNAL FUNCTION - USED BY THIS ECLASS ONLY
29# 40#
30# Check whether a specified file exists within the image/ directory 41# Check whether a specified file exists within the image/ directory
39{ 50{
40 local my_prefix 51 local my_prefix
41 52
42 [ -n "$2" ] && my_prefix="$2/" || my_prefix= 53 [ -n "$2" ] && my_prefix="$2/" || my_prefix=
43 54
44 if [ ! -e ${my_prefix}$1 ]; then 55 if [ ! -e "${my_prefix}$1" ]; then
45 msg="ebuild fault: file $1 not found" 56 msg="ebuild fault: file '$1' not found"
46 eerror "$msg" 57 eerror "$msg"
47 eerror "Please report this as a bug at http://bugs.gentoo.org/" 58 eerror "Please report this as a bug at http://bugs.gentoo.org/"
48 die "$msg" 59 die "$msg"
49 fi 60 fi
50} 61}
51 62
52# ------------------------------------------------------------------------ 63# ------------------------------------------------------------------------
53# INTERNAL FUNCTION - USED BY THIS ECLASS ONLY 64# INTERNAL FUNCTION - USED BY THIS ECLASS ONLY
54# ------------------------------------------------------------------------ 65# ------------------------------------------------------------------------
55 66
67function webapp_check_installedat
68{
69 local my_output
70
71 /usr/sbin/webapp-config --show-installed -h localhost -d "$INSTALL_DIR" 2> /dev/null
72}
73
74# ------------------------------------------------------------------------
75# INTERNAL FUNCTION - USED BY THIS ECLASS ONLY
76# ------------------------------------------------------------------------
77
56function webapp_import_config () 78function webapp_import_config ()
57{ 79{
58 if [ -z "${MY_HTDOCSDIR}" ]; then 80 if [ -z "${MY_HTDOCSDIR}" ]; then
59 . /etc/conf.d/webapp-config 81 . /etc/conf.d/webapp-config
60 fi 82 fi
69# 91#
70# ------------------------------------------------------------------------ 92# ------------------------------------------------------------------------
71 93
72function webapp_strip_appdir () 94function webapp_strip_appdir ()
73{ 95{
96 local my_stripped="$1"
74 echo "$1" | sed -e "s|${MY_APPDIR}/||g;" 97 echo "$1" | sed -e "s|${MY_APPDIR}/||g;"
75} 98}
76 99
77function webapp_strip_d () 100function webapp_strip_d ()
78{ 101{
79 echo "$1" | sed -e "s|${D}||g;" 102 echo "$1" | sed -e "s|${D}||g;"
80} 103}
81 104
82function webapp_strip_cwd () 105function webapp_strip_cwd ()
83{ 106{
107 local my_stripped="$1"
84 echo "$1" | sed -e 's|/./|/|g;' 108 echo "$1" | sed -e 's|/./|/|g;'
85} 109}
86 110
87# ------------------------------------------------------------------------ 111# ------------------------------------------------------------------------
88# EXPORTED FUNCTION - FOR USE IN EBUILDS 112# EXPORTED FUNCTION - FOR USE IN EBUILDS
94 118
95function webapp_configfile () 119function webapp_configfile ()
96{ 120{
97 webapp_checkfileexists "$1" "$D" 121 webapp_checkfileexists "$1" "$D"
98 echo $1 122 echo $1
99 local MY_FILE="`webapp_strip_appdir $1`" 123 local MY_FILE="`webapp_strip_appdir \"$1\"`"
100 echo $MY_FILE 124 echo $MY_FILE
101 125
102 einfo "(config) $MY_FILE" 126 einfo "(config) $MY_FILE"
103 echo "$MY_FILE" >> ${D}${WA_CONFIGLIST} 127 echo "$MY_FILE" >> ${D}${WA_CONFIGLIST}
104} 128}
105 129
106# ------------------------------------------------------------------------ 130# ------------------------------------------------------------------------
107# EXPORTED FUNCTION - FOR USE IN EBUILDS 131# EXPORTED FUNCTION - FOR USE IN EBUILDS
108# 132#
133# Install a script that will run after a virtual copy is created, and
134# before a virtual copy has been removed
135#
136# @param $1 - the script to run
137# ------------------------------------------------------------------------
138
139function webapp_hook_script ()
140{
141 webapp_checkfileexists "$1"
142
143 einfo "(hook) $1"
144 cp "$1" "${D}${MY_HOOKSCRIPTSDIR}/`basename $1`" || die "Unable to install $1 into ${D}${MY_HOOKSCRIPTSDIR}/"
145 chmod 555 "${D}${MY_HOOKSCRIPTSDIR}/`basename $1`"
146}
147
148# ------------------------------------------------------------------------
149# EXPORTED FUNCTION - FOR USE IN EBUILDS
150#
109# Install a text file containing post-installation instructions. 151# Install a text file containing post-installation instructions.
110# 152#
111# @param $1 - language code (use 'en' for now) 153# @param $1 - language code (use 'en' for now)
112# @param $2 - the file to install 154# @param $2 - the file to install
113# ------------------------------------------------------------------------ 155# ------------------------------------------------------------------------
134# ------------------------------------------------------------------------ 176# ------------------------------------------------------------------------
135 177
136function webapp_runbycgibin () 178function webapp_runbycgibin ()
137{ 179{
138 webapp_checkfileexists "$2" "$D" 180 webapp_checkfileexists "$2" "$D"
139 local MY_FILE="`webapp_strip_appdir $2`" 181 local MY_FILE="`webapp_strip_appdir \"$2\"`"
140 MY_FILE="`webapp_strip_cwd $MY_FILE`" 182 MY_FILE="`webapp_strip_cwd \"$MY_FILE\"`"
141 183
142 einfo "(cgi-bin) $1 - $MY_FILE" 184 einfo "(cgi-bin) $1 - $MY_FILE"
143 echo "$1 $MY_FILE" >> ${D}${WA_RUNBYCGIBINLIST} 185 echo "\"$1\" \"$MY_FILE\"" >> "${D}${WA_RUNBYCGIBINLIST}"
144} 186}
145 187
146# ------------------------------------------------------------------------ 188# ------------------------------------------------------------------------
147# EXPORTED FUNCTION - FOR USE IN EBUILDS 189# EXPORTED FUNCTION - FOR USE IN EBUILDS
148# 190#
157# ------------------------------------------------------------------------ 199# ------------------------------------------------------------------------
158 200
159function webapp_serverowned () 201function webapp_serverowned ()
160{ 202{
161 webapp_checkfileexists "$1" "$D" 203 webapp_checkfileexists "$1" "$D"
162 local MY_FILE="`webapp_strip_appdir $1`" 204 local MY_FILE="`webapp_strip_appdir \"$1\"`"
163 205
164 einfo "(server owned) $MY_FILE" 206 einfo "(server owned) $MY_FILE"
165 echo "$MY_FILE" >> ${D}${WA_SOLIST} 207 echo "$MY_FILE" >> "${D}${WA_SOLIST}"
166} 208}
167 209
168# ------------------------------------------------------------------------ 210# ------------------------------------------------------------------------
169# EXPORTED FUNCTION - FOR USE IN EBUILDS 211# EXPORTED FUNCTION - FOR USE IN EBUILDS
170# 212#
213# @param $1 - the webserver to install the config file for
214# (one of apache1, apache2, cherokee)
215# @param $2 - the config file to install
216# @param $3 - new name for the config file (default is `basename $2`)
217# this is an optional parameter
218#
219# NOTE:
220# this function will automagically prepend $1 to the front of your
221# config file's name
222# ------------------------------------------------------------------------
223
224function webapp_server_configfile ()
225{
226 webapp_checkfileexists "$2"
227
228 # sort out what the name will be of the config file
229
230 local my_file
231
232 if [ -z "$3" ]; then
233 my_file="$1-`basename $2`"
234 else
235 my_file="$1-$3"
236 fi
237
238 # warning:
239 #
240 # do NOT change the naming convention used here without changing all
241 # the other scripts that also rely upon these names
242
243 einfo "($1) config file '$my_file'"
244 cp "$2" "${D}${MY_SERVERCONFIGDIR}/${my_file}"
245}
246
247# ------------------------------------------------------------------------
248# EXPORTED FUNCTION - FOR USE IN EBUILDS
171# 249#
172# @param $1 - the db engine that the script is for 250# @param $1 - the db engine that the script is for
173# (one of: mysql|postgres) 251# (one of: mysql|postgres)
174# @param $2 - the sql script to be installed 252# @param $2 - the sql script to be installed
175# @param $3 - the older version of the app that this db script 253# @param $3 - the older version of the app that this db script
198 276
199 # are we dealing with an 'upgrade'-type script? 277 # are we dealing with an 'upgrade'-type script?
200 if [ -n "$3" ]; then 278 if [ -n "$3" ]; then
201 # yes we are 279 # yes we are
202 einfo "($1) upgrade script from ${PN}-${PVR} to $3" 280 einfo "($1) upgrade script from ${PN}-${PVR} to $3"
203 cp $2 ${D}${MY_SQLSCRIPTSDIR}/$1/${3}_to_${PVR}.sql 281 cp "$2" "${D}${MY_SQLSCRIPTSDIR}/$1/${3}_to_${PVR}.sql"
204 else 282 else
205 # no, we are not 283 # no, we are not
206 einfo "($1) create script for ${PN}-${PVR}" 284 einfo "($1) create script for ${PN}-${PVR}"
207 cp $2 ${D}${MY_SQLSCRIPTSDIR}/$1/${PVR}_create.sql 285 cp "$2" "${D}${MY_SQLSCRIPTSDIR}/$1/${PVR}_create.sql"
208 fi 286 fi
209} 287}
210 288
211# ------------------------------------------------------------------------ 289# ------------------------------------------------------------------------
212# EXPORTED FUNCTION - call from inside your ebuild's src_install AFTER 290# EXPORTED FUNCTION - call from inside your ebuild's src_install AFTER
217# the final version! 295# the final version!
218# ------------------------------------------------------------------------ 296# ------------------------------------------------------------------------
219 297
220function webapp_src_install () 298function webapp_src_install ()
221{ 299{
222 chown -R root:root ${D}/ 300 chown -R "${VHOST_DEFAULT_UID}:${VHOST_DEFAULT_GID}" "${D}/"
223 chmod -R u-s ${D}/ 301 chmod -R u-s "${D}/"
224 chmod -R g-s ${D}/ 302 chmod -R g-s "${D}/"
225 303
226 keepdir ${MY_PERSISTDIR} 304 keepdir "${MY_PERSISTDIR}"
227 fowners root:root ${MY_PERSISTDIR} 305 fowners "root:root" "${MY_PERSISTDIR}"
228 fperms 755 ${MY_PERSISTDIR} 306 fperms 755 "${MY_PERSISTDIR}"
307
308 # to test whether or not the ebuild has correctly called this function
309 # we add an empty file to the filesystem
310 #
311 # we used to just set a variable in the shell script, but we can
312 # no longer rely on Portage calling both webapp_src_install() and
313 # webapp_pkg_postinst() within the same shell process
314
315 touch "${D}/${MY_APPDIR}/${INSTALL_CHECK_FILE}"
229} 316}
230 317
231# ------------------------------------------------------------------------ 318# ------------------------------------------------------------------------
232# EXPORTED FUNCTION - call from inside your ebuild's pkg_config AFTER 319# EXPORTED FUNCTION - call from inside your ebuild's pkg_config AFTER
233# everything else has run 320# everything else has run
236# 323#
237# ------------------------------------------------------------------------ 324# ------------------------------------------------------------------------
238 325
239function webapp_pkg_setup () 326function webapp_pkg_setup ()
240{ 327{
328 # add sanity checks here
329
330 if [ "$SLOT+" != "${PVR}+" ]; then
331 die "ebuild sets SLOT, overrides webapp.eclass"
332 fi
333
241 # pull in the shared configuration file 334 # pull in the shared configuration file
242 335
243 . /etc/vhosts/webapp-config || die "Unable to open /etc/vhosts/webapp-config file" 336 G_HOSTNAME="localhost"
337 . "${ETC_CONFIG}" || die "Unable to open file ${ETC_CONFIG}"
244 338
339 # are we installing a webapp-config solution over the top of a
340 # non-webapp-config solution?
341
342 if ! use vhosts ; then
343 local my_dir="$VHOST_ROOT/$MY_HTDOCSBASE/$PN"
344 local my_output
345
346 if [ -d "$my_dir" ] ; then
347 einfo "You already have something installed in $my_dir"
348 einfo "Are you trying to install over the top of something I cannot upgrade?"
349
350 my_output="`webapp_check_installedat`"
351
352 if [ "$?" != "0" ]; then
353
354 # okay, whatever is there, it isn't webapp-config-compatible
355 ewarn
356 ewarn "Whatever is in $my_dir, it's not"
357 ewarn "compatible with webapp-config."
358 ewarn
359 ewarn "This ebuild may be overwriting important files."
360 ewarn
361 elif [ "`echo $my_output | awk '{ print $1 }'`" != "$PN" ]; then
362 eerror "$my_dir contains $my_output"
363 eerror "I cannot upgrade that"
364 die "Cannot upgrade contents of $my_dir"
365 else
366 einfo
367 einfo "I can upgrade the contents of $my_dir"
368 einfo
369 fi
370 fi
371 fi
372}
373
374function webapp_someunusedfunction ()
375{
245 # are we emerging something that is already installed? 376 # are we emerging something that is already installed?
246 377
247 if [ -d "${D}${MY_APPROOT}/${MY_APPSUFFIX}" ]; then 378 if [ -d "${D}${MY_APPROOT}/${MY_APPSUFFIX}" ]; then
248 # yes we are 379 # yes we are
249 ewarn "Removing existing copy of ${PN}-${PVR}" 380 ewarn "Removing existing copy of ${PN}-${PVR}"
250 rm -rf "${D}${MY_APPROOT}/${MY_APPSUFFIX}" 381 rm -rf "${D}${MY_APPROOT}/${MY_APPSUFFIX}"
251 fi 382 fi
252} 383}
253 384
385function webapp_getinstalltype ()
386{
387 # or are we upgrading?
388
389 if ! use vhosts ; then
390 # we only run webapp-config if vhosts USE flag is not set
391
392 local my_output
393
394 my_output="`webapp_check_installedat`"
395
396 if [ "$?" = "0" ] ; then
397 # something is already installed there
398 #
399 # make sure it isn't the same version
400
401 local my_pn="`echo $my_output | awk '{ print $1 }'`"
402 local my_pvr="`echo $my_output | awk '{ print $2 }'`"
403
404 REMOVE_PKG="${my_pn}-${my_pvr}"
405
406 if [ "$my_pn" == "$PN" ]; then
407 if [ "$my_pvr" != "$PVR" ]; then
408 einfo "This is an upgrade"
409 IS_UPGRADE=1
410 else
411 einfo "This is a re-installation"
412 IS_REPLACE=1
413 fi
414 else
415 einfo "$my_ouptut is installed there"
416 fi
417 else
418 einfo "This is an installation"
419 fi
420 fi
421}
422
254function webapp_src_preinst () 423function webapp_src_preinst ()
255{ 424{
256 # create the directories that we need 425 # create the directories that we need
257 426
258 dodir ${MY_HTDOCSDIR} 427 dodir "${MY_HTDOCSDIR}"
259 dodir ${MY_HOSTROOTDIR} 428 dodir "${MY_HOSTROOTDIR}"
260 dodir ${MY_CGIBINDIR} 429 dodir "${MY_CGIBINDIR}"
261 dodir ${MY_ICONSDIR} 430 dodir "${MY_ICONSDIR}"
262 dodir ${MY_ERRORSDIR} 431 dodir "${MY_ERRORSDIR}"
263 dodir ${MY_SQLSCRIPTSDIR} 432 dodir "${MY_SQLSCRIPTSDIR}"
433 dodir "${MY_HOOKSCRIPTSDIR}"
434 dodir "${MY_SERVERCONFIGDIR}"
264} 435}
265 436
266function webapp_pkg_postinst () 437function webapp_pkg_postinst ()
267{ 438{
268 einfo "webapp_pkg_postinst() called" 439 . "${ETC_CONFIG}"
440
441 # sanity checks, to catch bugs in the ebuild
442
443 if [ ! -f "${MY_APPDIR}/${INSTALL_CHECK_FILE}" ]; then
444 eerror
445 eerror "This ebuild did not call webapp_src_install() at the end"
446 eerror "of the src_install() function"
447 eerror
448 eerror "Please log a bug on http://bugs.gentoo.org"
449 eerror
450 eerror "You should use emerge -C to remove this package, as the"
451 eerror "installation is incomplete"
452 eerror
453 die "Ebuild did not call webapp_src_install() - report to http://bugs.gentoo.org"
454 fi
269 455
270 # if 'vhosts' is not set in your USE flags, we install a copy of 456 # if 'vhosts' is not set in your USE flags, we install a copy of
271 # this application in /var/www/localhost/htdocs/${PN}/ for you 457 # this application in /var/www/localhost/htdocs/${PN}/ for you
272
273 458
274 if ! use vhosts ; then 459 if ! use vhosts ; then
460 echo
275 einfo "vhosts USE flag not set - auto-installing using webapp-config" 461 einfo "vhosts USE flag not set - auto-installing using webapp-config"
276 462
463 webapp_getinstalltype
464
277 G_HOSTNAME="localhost" 465 G_HOSTNAME="localhost"
278 . /etc/vhosts/webapp-config 466 . "${ETC_CONFIG}"
279 467
280 local my_mode=-I 468 local my_mode=-I
281 local my_dir="/${PN}"
282 469
283 # are we installing afresh - or are we upgrading?
284 # find out by looking to see what (if anything) is installed
285 # in there already
286
287 my_cmd="/usr/sbin/webapp-config --show-installed -d $my_dir 2> /dev/null"
288 einfo "$my_cmd"
289
290 my_output="`/usr/sbin/webapp-config --show-installed -d $my_dir 2> /dev/null`"
291
292 # we can't use the exit status from webapp-config
293
294 if [ "$?" = "0" ]; then 470 if [ "$IS_REPLACE" = "1" ]; then
295 471 einfo "${PN}-${PVR} is already installed - replacing"
296 # something is in there - but the question has to be ... what?
297
298 ewarn "$my_output already installed"
299
300 if [ "`echo $my_output | awk '{ print $1 }'`" = "${PN}" ]; then
301 einfo "$my_output is a copy of ${PN}"
302 if [ "`echo $my_output | awk '{ print $2 }'`" = "${PVR}" ]; then
303 # this version is already installed
304 # we need to remove it first
305
306 /usr/sbin/webapp-config -C -d $my_dir 472 /usr/sbin/webapp-config -C -d "$INSTALL_DIR"
307 else 473 elif [ "$IS_UPGRADE" = "1" ]; then
308 # we have an older version of whatever it is our ebuild is 474 einfo "$REMOVE_PKG is already installed - upgrading"
309 # trying to install ;-)
310 #
311 # this is the situation we can deal with
312
313 einfo "selecting upgrade mode"
314 my_mode=-U 475 my_mode=-U
315 fi
316 else
317 # this should never happen - but just in case ...
318 #
319 # whatever is in that directory, it isn't the application
320 # that we are currently trying to install
321 #
322 # rather than overwrite the contents, we bail with an error
323 # instead
324
325 die "$my_output is already installed in $my_dir"
326 fi
327 else 476 else
328 einfo "${PN}-${PVR} is not installed - using install mode" 477 einfo "${PN}-${PVR} is not installed - using install mode"
329 fi 478 fi
330 479
331 my_cmd="/usr/sbin/webapp-config $my_mode -h localhost -u root -d $my_dir ${PN} ${PVR}" 480 my_cmd="/usr/sbin/webapp-config $my_mode -h localhost -u root -d $INSTALL_DIR ${PN} ${PVR}"
332 einfo "Running $my_cmd" 481 einfo "Running $my_cmd"
333 $my_cmd 482 $my_cmd
483
484 # remove the old version
485 #
486 # why do we do this? well ...
487 #
488 # normally, emerge -u installs a new version and then removes the
489 # old version. however, if the new version goes into a different
490 # slot to the old version, then the old version gets left behind
491 #
492 # if USE=-vhosts, then we want to remove the old version, because
493 # the user is relying on portage to do the magical thing for it
494
495 if [ "$IS_UPGRADE" = "1" ] ; then
496 einfo "Removing old version $REMOVE_PKG"
497
498 emerge -C "$CATEGORY/$REMOVE_PKG"
499 fi
500 else
501 # vhosts flag is on
502 #
503 # let's tell the administrator what to do next
504
505 einfo
506 einfo "The 'vhosts' USE flag is switched ON"
507 einfo "This means that Portage will not automatically run webapp-config to"
508 einfo "complete the installation."
509 einfo
510 einfo "To install $PN-$PVR into a virtual host, run the following command:"
511 einfo
512 einfo " webapp-config -I -h <host> -d $PN $PN $PVR"
513 einfo
514 einfo "For more details, see the webapp-config(8) man page"
334 fi 515 fi
335 516
336 return 0 517 return 0
337} 518}
519
520function webapp_pkg_prerm ()
521{
522 # remove any virtual installs that there are
523
524 local my_output
525 local x
526
527 my_output="`webapp-config --list-installs $PN $PVR`"
528
529 if [ "$?" != "0" ]; then
530 return
531 fi
532
533 # the changes to IFS here are necessary to ensure that we can cope
534 # with directories that contain spaces in the file names
535
536 # OLD_IFS="$IFS"
537 # IFS=" "
538
539 for x in $my_output ; do
540 # IFS="$OLD_IFS"
541
542 [ -f $x/.webapp ] && . $x/.webapp || ewarn "Cannot find file $x/.webapp"
543
544 if [ -z "WEB_HOSTNAME" -o -z "WEB_INSTALLDIR" ]; then
545 ewarn "Don't forget to use webapp-config to remove the copy of"
546 ewarn "${PN}-${PVR} installed in"
547 ewarn
548 ewarn " $x"
549 ewarn
550 else
551 # we have enough information to remove the virtual copy ourself
552
553 webapp-config -C -h ${WEB_HOSTNAME} -d ${WEB_INSTALLDIR}
554
555 # if the removal fails - we carry on anyway!
556 fi
557 # IFS=" "
558 done
559
560 # IFS="$OLD_IFS"
561}

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