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Revision 1.13 Revision 1.34
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 1.34 2005/07/11 15:08:06 swegener 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!
16# 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.
19#
17# ------------------------------------------------------------------------ 20# ------------------------------------------------------------------------
18 21
19ECLASS=webapp
20INHERITED="$INHERITED $ECLASS"
21SLOT="${PVR}" 22SLOT="${PVR}"
22IUSE="$IUSE vhosts" 23IUSE="$IUSE vhosts"
23DEPEND="$DEPEND >=net-www/webapp-config-1.6" 24DEPEND="$DEPEND net-www/webapp-config app-portage/gentoolkit"
24 25
25EXPORT_FUNCTIONS pkg_postinst pkg_setup src_install 26EXPORT_FUNCTIONS pkg_postinst pkg_setup src_install pkg_prerm
27
28INSTALL_DIR="/$PN"
29IS_UPGRADE=0
30IS_REPLACE=0
31
32INSTALL_CHECK_FILE="installed_by_webapp_eclass"
33
34ETC_CONFIG="/etc/vhosts/webapp-config"
26 35
27# ------------------------------------------------------------------------ 36# ------------------------------------------------------------------------
28# INTERNAL FUNCTION - USED BY THIS ECLASS ONLY 37# INTERNAL FUNCTION - USED BY THIS ECLASS ONLY
29# 38#
30# Check whether a specified file exists within the image/ directory 39# Check whether a specified file exists within the image/ directory
39{ 48{
40 local my_prefix 49 local my_prefix
41 50
42 [ -n "$2" ] && my_prefix="$2/" || my_prefix= 51 [ -n "$2" ] && my_prefix="$2/" || my_prefix=
43 52
44 if [ ! -e ${my_prefix}$1 ]; then 53 if [ ! -e "${my_prefix}$1" ]; then
45 msg="ebuild fault: file $1 not found" 54 msg="ebuild fault: file '$1' not found"
46 eerror "$msg" 55 eerror "$msg"
47 eerror "Please report this as a bug at http://bugs.gentoo.org/" 56 eerror "Please report this as a bug at http://bugs.gentoo.org/"
48 die "$msg" 57 die "$msg"
49 fi 58 fi
50} 59}
51 60
52# ------------------------------------------------------------------------ 61# ------------------------------------------------------------------------
53# INTERNAL FUNCTION - USED BY THIS ECLASS ONLY 62# INTERNAL FUNCTION - USED BY THIS ECLASS ONLY
54# ------------------------------------------------------------------------ 63# ------------------------------------------------------------------------
55 64
65function webapp_check_installedat
66{
67 local my_output
68
69 /usr/sbin/webapp-config --show-installed -h localhost -d "$INSTALL_DIR" 2> /dev/null
70}
71
72# ------------------------------------------------------------------------
73# INTERNAL FUNCTION - USED BY THIS ECLASS ONLY
74# ------------------------------------------------------------------------
75
56function webapp_import_config () 76function webapp_import_config ()
57{ 77{
58 if [ -z "${MY_HTDOCSDIR}" ]; then 78 if [ -z "${MY_HTDOCSDIR}" ]; then
59 . /etc/conf.d/webapp-config 79 . /etc/conf.d/webapp-config
60 fi 80 fi
69# 89#
70# ------------------------------------------------------------------------ 90# ------------------------------------------------------------------------
71 91
72function webapp_strip_appdir () 92function webapp_strip_appdir ()
73{ 93{
94 local my_stripped="$1"
74 echo "$1" | sed -e "s|${MY_APPDIR}/||g;" 95 echo "$1" | sed -e "s|${MY_APPDIR}/||g;"
75} 96}
76 97
77function webapp_strip_d () 98function webapp_strip_d ()
78{ 99{
79 echo "$1" | sed -e "s|${D}||g;" 100 echo "$1" | sed -e "s|${D}||g;"
80} 101}
81 102
82function webapp_strip_cwd () 103function webapp_strip_cwd ()
83{ 104{
105 local my_stripped="$1"
84 echo "$1" | sed -e 's|/./|/|g;' 106 echo "$1" | sed -e 's|/./|/|g;'
85} 107}
86 108
87# ------------------------------------------------------------------------ 109# ------------------------------------------------------------------------
88# EXPORTED FUNCTION - FOR USE IN EBUILDS 110# EXPORTED FUNCTION - FOR USE IN EBUILDS
93# ------------------------------------------------------------------------ 115# ------------------------------------------------------------------------
94 116
95function webapp_configfile () 117function webapp_configfile ()
96{ 118{
97 webapp_checkfileexists "$1" "$D" 119 webapp_checkfileexists "$1" "$D"
98 echo $1 120
99 local MY_FILE="`webapp_strip_appdir $1`" 121 local MY_FILE="`webapp_strip_appdir \"$1\"`"
100 echo $MY_FILE 122 MY_FILE="`webapp_strip_cwd \"$MY_FILE\"`"
101 123
102 einfo "(config) $MY_FILE" 124 einfo "(config) $MY_FILE"
103 echo "$MY_FILE" >> ${D}${WA_CONFIGLIST} 125 echo "$MY_FILE" >> ${D}${WA_CONFIGLIST}
104} 126}
105 127
106# ------------------------------------------------------------------------ 128# ------------------------------------------------------------------------
107# EXPORTED FUNCTION - FOR USE IN EBUILDS 129# EXPORTED FUNCTION - FOR USE IN EBUILDS
108# 130#
131# Install a script that will run after a virtual copy is created, and
132# before a virtual copy has been removed
133#
134# @param $1 - the script to run
135# ------------------------------------------------------------------------
136
137function webapp_hook_script ()
138{
139 webapp_checkfileexists "$1"
140
141 einfo "(hook) $1"
142 cp "$1" "${D}${MY_HOOKSCRIPTSDIR}/`basename $1`" || die "Unable to install $1 into ${D}${MY_HOOKSCRIPTSDIR}/"
143 chmod 555 "${D}${MY_HOOKSCRIPTSDIR}/`basename $1`"
144}
145
146# ------------------------------------------------------------------------
147# EXPORTED FUNCTION - FOR USE IN EBUILDS
148#
109# Install a text file containing post-installation instructions. 149# Install a text file containing post-installation instructions.
110# 150#
111# @param $1 - language code (use 'en' for now) 151# @param $1 - language code (use 'en' for now)
112# @param $2 - the file to install 152# @param $2 - the file to install
113# ------------------------------------------------------------------------ 153# ------------------------------------------------------------------------
114 154
115function webapp_postinst_txt 155function webapp_postinst_txt ()
116{ 156{
117 webapp_checkfileexists "$2" 157 webapp_checkfileexists "$2"
118 158
119 einfo "(rtfm) $2 (lang: $1)" 159 einfo "(rtfm) $2 (lang: $1)"
120 cp "$2" "${D}${MY_APPDIR}/postinst-$1.txt" 160 cp "$2" "${D}${MY_APPDIR}/postinst-$1.txt"
121} 161}
122 162
123# ------------------------------------------------------------------------ 163# ------------------------------------------------------------------------
124# EXPORTED FUNCTION - FOR USE IN EBUILDS 164# EXPORTED FUNCTION - FOR USE IN EBUILDS
125# 165#
126# Identify a script file (usually, but not always PHP or Perl) which is 166# Install a text file containing post-upgrade instructions.
127# 167#
128# Files in this list may be modified to #! the required CGI engine when 168# @param $1 - language code (use 'en' for now)
129# installed by webapp-config tool in the future. 169# @param $2 - the file to install
130#
131# @param $1 - the cgi engine to use
132# @param $2 - the script file that could run under a cgi-bin
133#
134# ------------------------------------------------------------------------ 170# ------------------------------------------------------------------------
171
172function webapp_postupgrade_txt ()
173{
174 webapp_checkfileexists "$2"
175
176 einfo "(rtfm) $2 (lang: $1)"
177 cp "$2" "${D}${MY_APPDIR}/postupgrade-$1.txt"
178}
179
180# ------------------------------------------------------------------------
181# DEPRECATED FUNCTION
182#
183# It never worked anyway
135 184
136function webapp_runbycgibin () 185function webapp_runbycgibin ()
137{ 186{
138 webapp_checkfileexists "$2" "$D" 187 if [ -n "$WARN_RUNBYCGIBIN" ] ; then
139 local MY_FILE="`webapp_strip_appdir $2`" 188 return
140 MY_FILE="`webapp_strip_cwd $MY_FILE`" 189 fi
141 190
142 einfo "(cgi-bin) $1 - $MY_FILE" 191 ewarn "This ebuild uses webapp.eclass's webapp_runbycgibin, which is now"
143 echo "$1 $MY_FILE" >> ${D}${WA_RUNBYCGIBINLIST} 192 ewarn "deprecated. Please file a bug about this in Bugzilla."
193 WARN_RUNBYCGIBIN=1
144} 194}
145 195
146# ------------------------------------------------------------------------ 196# ------------------------------------------------------------------------
147# EXPORTED FUNCTION - FOR USE IN EBUILDS 197# EXPORTED FUNCTION - FOR USE IN EBUILDS
148# 198#
149# Identify a file which must be owned by the webserver's user:group 199# Identify a file which must be owned by the webserver's user:group
150# settings. 200# settings.
151# 201#
152# The ownership of the file is NOT set until the application is installed 202# The ownership of the file is NOT set until the application is installed
153# using the webapp-config tool. 203# using the webapp-config tool.
154# 204#
155# @param $1 - file to be owned by the webserver user:group combo 205# @param $1 - file to be owned by the webserver user:group combo
156# 206#
157# ------------------------------------------------------------------------ 207# ------------------------------------------------------------------------
158 208
159function webapp_serverowned () 209function webapp_serverowned ()
160{ 210{
161 webapp_checkfileexists "$1" "$D" 211 webapp_checkfileexists "$1" "$D"
162 local MY_FILE="`webapp_strip_appdir $1`" 212 local MY_FILE="`webapp_strip_appdir \"$1\"`"
163 213 MY_FILE="`webapp_strip_cwd \"$MY_FILE\"`"
214
164 einfo "(server owned) $MY_FILE" 215 einfo "(server owned) $MY_FILE"
165 echo "$MY_FILE" >> ${D}${WA_SOLIST} 216 echo "$MY_FILE" >> "${D}${WA_SOLIST}"
166} 217}
167 218
168# ------------------------------------------------------------------------ 219# ------------------------------------------------------------------------
169# EXPORTED FUNCTION - FOR USE IN EBUILDS 220# EXPORTED FUNCTION - FOR USE IN EBUILDS
170# 221#
222# @param $1 - the webserver to install the config file for
223# (one of apache1, apache2, cherokee)
224# @param $2 - the config file to install
225# @param $3 - new name for the config file (default is `basename $2`)
226# this is an optional parameter
227#
228# NOTE:
229# this function will automagically prepend $1 to the front of your
230# config file's name
231# ------------------------------------------------------------------------
232
233function webapp_server_configfile ()
234{
235 webapp_checkfileexists "$2"
236
237 # sort out what the name will be of the config file
238
239 local my_file
240
241 if [ -z "$3" ]; then
242 my_file="$1-`basename $2`"
243 else
244 my_file="$1-$3"
245 fi
246
247 # warning:
248 #
249 # do NOT change the naming convention used here without changing all
250 # the other scripts that also rely upon these names
251
252 einfo "($1) config file '$my_file'"
253 cp "$2" "${D}${MY_SERVERCONFIGDIR}/${my_file}"
254}
255
256# ------------------------------------------------------------------------
257# EXPORTED FUNCTION - FOR USE IN EBUILDS
171# 258#
172# @param $1 - the db engine that the script is for 259# @param $1 - the db engine that the script is for
173# (one of: mysql|postgres) 260# (one of: mysql|postgres)
174# @param $2 - the sql script to be installed 261# @param $2 - the sql script to be installed
175# @param $3 - the older version of the app that this db script 262# @param $3 - the older version of the app that this db script
193 280
194 # warning: 281 # warning:
195 # 282 #
196 # do NOT change the naming convention used here without changing all 283 # do NOT change the naming convention used here without changing all
197 # the other scripts that also rely upon these names 284 # the other scripts that also rely upon these names
198 285
199 # are we dealing with an 'upgrade'-type script? 286 # are we dealing with an 'upgrade'-type script?
200 if [ -n "$3" ]; then 287 if [ -n "$3" ]; then
201 # yes we are 288 # yes we are
202 einfo "($1) upgrade script from ${PN}-${PVR} to $3" 289 einfo "($1) upgrade script from ${PN}-${PVR} to $3"
203 cp $2 ${D}${MY_SQLSCRIPTSDIR}/$1/${3}_to_${PVR}.sql 290 cp "$2" "${D}${MY_SQLSCRIPTSDIR}/$1/${3}_to_${PVR}.sql"
291 chmod 600 "${D}${MY_SQLSCRIPTSDIR}/$1/${3}_to_${PVR}.sql"
204 else 292 else
205 # no, we are not 293 # no, we are not
206 einfo "($1) create script for ${PN}-${PVR}" 294 einfo "($1) create script for ${PN}-${PVR}"
207 cp $2 ${D}${MY_SQLSCRIPTSDIR}/$1/${PVR}_create.sql 295 cp "$2" "${D}${MY_SQLSCRIPTSDIR}/$1/${PVR}_create.sql"
296 chmod 600 "${D}${MY_SQLSCRIPTSDIR}/$1/${PVR}_create.sql"
208 fi 297 fi
209} 298}
210 299
211# ------------------------------------------------------------------------ 300# ------------------------------------------------------------------------
212# EXPORTED FUNCTION - call from inside your ebuild's src_install AFTER 301# EXPORTED FUNCTION - call from inside your ebuild's src_install AFTER
217# the final version! 306# the final version!
218# ------------------------------------------------------------------------ 307# ------------------------------------------------------------------------
219 308
220function webapp_src_install () 309function webapp_src_install ()
221{ 310{
222 chown -R root:root ${D}/ 311 chown -R "${VHOST_DEFAULT_UID}:${VHOST_DEFAULT_GID}" "${D}/"
223 chmod -R u-s ${D}/ 312 chmod -R u-s "${D}/"
224 chmod -R g-s ${D}/ 313 chmod -R g-s "${D}/"
225 314
226 keepdir ${MY_PERSISTDIR} 315 keepdir "${MY_PERSISTDIR}"
227 fowners root:root ${MY_PERSISTDIR} 316 fowners "root:root" "${MY_PERSISTDIR}"
228 fperms 755 ${MY_PERSISTDIR} 317 fperms 755 "${MY_PERSISTDIR}"
318
319 # to test whether or not the ebuild has correctly called this function
320 # we add an empty file to the filesystem
321 #
322 # we used to just set a variable in the shell script, but we can
323 # no longer rely on Portage calling both webapp_src_install() and
324 # webapp_pkg_postinst() within the same shell process
325
326 touch "${D}/${MY_APPDIR}/${INSTALL_CHECK_FILE}"
229} 327}
230 328
231# ------------------------------------------------------------------------ 329# ------------------------------------------------------------------------
232# EXPORTED FUNCTION - call from inside your ebuild's pkg_config AFTER 330# EXPORTED FUNCTION - call from inside your ebuild's pkg_config AFTER
233# everything else has run 331# everything else has run
236# 334#
237# ------------------------------------------------------------------------ 335# ------------------------------------------------------------------------
238 336
239function webapp_pkg_setup () 337function webapp_pkg_setup ()
240{ 338{
339 # add sanity checks here
340
341 if [ "$SLOT+" != "${PVR}+" ]; then
342 die "ebuild sets SLOT, overrides webapp.eclass"
343 fi
344
241 # pull in the shared configuration file 345 # pull in the shared configuration file
242 346
243 . /etc/vhosts/webapp-config || die "Unable to open /etc/vhosts/webapp-config file" 347 G_HOSTNAME="localhost"
348 . "${ETC_CONFIG}" || die "Unable to open file ${ETC_CONFIG}"
244 349
350 # are we installing a webapp-config solution over the top of a
351 # non-webapp-config solution?
352
353 if ! use vhosts ; then
354 local my_dir="$VHOST_ROOT/$MY_HTDOCSBASE/$PN"
355 local my_output
356
357 if [ -d "$my_dir" ] ; then
358 einfo "You already have something installed in $my_dir"
359 einfo "Are you trying to install over the top of something I cannot upgrade?"
360
361 my_output="`webapp_check_installedat`"
362
363 if [ "$?" != "0" ]; then
364
365 # okay, whatever is there, it isn't webapp-config-compatible
366 ewarn
367 ewarn "Whatever is in $my_dir, it's not"
368 ewarn "compatible with webapp-config."
369 ewarn
370 ewarn "This ebuild may be overwriting important files."
371 ewarn
372 elif [ "`echo $my_output | awk '{ print $1 }'`" != "$PN" ]; then
373 eerror "$my_dir contains $my_output"
374 eerror "I cannot upgrade that"
375 die "Cannot upgrade contents of $my_dir"
376 else
377 einfo
378 einfo "I can upgrade the contents of $my_dir"
379 einfo
380 fi
381 fi
382 fi
383}
384
385function webapp_someunusedfunction ()
386{
245 # are we emerging something that is already installed? 387 # are we emerging something that is already installed?
246 388
247 if [ -d "${D}${MY_APPROOT}/${MY_APPSUFFIX}" ]; then 389 if [ -d "${D}${MY_APPROOT}/${MY_APPSUFFIX}" ]; then
248 # yes we are 390 # yes we are
249 ewarn "Removing existing copy of ${PN}-${PVR}" 391 ewarn "Removing existing copy of ${PN}-${PVR}"
250 rm -rf "${D}${MY_APPROOT}/${MY_APPSUFFIX}" 392 rm -rf "${D}${MY_APPROOT}/${MY_APPSUFFIX}"
251 fi 393 fi
252} 394}
253 395
396function webapp_getinstalltype ()
397{
398 # or are we upgrading?
399
400 if ! use vhosts ; then
401 # we only run webapp-config if vhosts USE flag is not set
402
403 local my_output
404
405 my_output="`webapp_check_installedat`"
406
407 if [ "$?" = "0" ] ; then
408 # something is already installed there
409 #
410 # make sure it isn't the same version
411
412 local my_pn="`echo $my_output | awk '{ print $1 }'`"
413 local my_pvr="`echo $my_output | awk '{ print $2 }'`"
414
415 REMOVE_PKG="${my_pn}-${my_pvr}"
416
417 if [ "$my_pn" == "$PN" ]; then
418 if [ "$my_pvr" != "$PVR" ]; then
419 einfo "This is an upgrade"
420 IS_UPGRADE=1
421 else
422 einfo "This is a re-installation"
423 IS_REPLACE=1
424 fi
425 else
426 einfo "$my_ouptut is installed there"
427 fi
428 else
429 einfo "This is an installation"
430 fi
431 fi
432}
433
254function webapp_src_preinst () 434function webapp_src_preinst ()
255{ 435{
256 # create the directories that we need 436 # create the directories that we need
257 437
258 dodir ${MY_HTDOCSDIR} 438 dodir "${MY_HTDOCSDIR}"
259 dodir ${MY_HOSTROOTDIR} 439 dodir "${MY_HOSTROOTDIR}"
260 dodir ${MY_CGIBINDIR} 440 dodir "${MY_CGIBINDIR}"
261 dodir ${MY_ICONSDIR} 441 dodir "${MY_ICONSDIR}"
262 dodir ${MY_ERRORSDIR} 442 dodir "${MY_ERRORSDIR}"
263 dodir ${MY_SQLSCRIPTSDIR} 443 dodir "${MY_SQLSCRIPTSDIR}"
444 dodir "${MY_HOOKSCRIPTSDIR}"
445 dodir "${MY_SERVERCONFIGDIR}"
264} 446}
265 447
266function webapp_pkg_postinst () 448function webapp_pkg_postinst ()
267{ 449{
268 einfo "webapp_pkg_postinst() called" 450 . "${ETC_CONFIG}"
451
452 # sanity checks, to catch bugs in the ebuild
453
454 if [ ! -f "${MY_APPDIR}/${INSTALL_CHECK_FILE}" ]; then
455 eerror
456 eerror "This ebuild did not call webapp_src_install() at the end"
457 eerror "of the src_install() function"
458 eerror
459 eerror "Please log a bug on http://bugs.gentoo.org"
460 eerror
461 eerror "You should use emerge -C to remove this package, as the"
462 eerror "installation is incomplete"
463 eerror
464 die "Ebuild did not call webapp_src_install() - report to http://bugs.gentoo.org"
465 fi
269 466
270 # if 'vhosts' is not set in your USE flags, we install a copy of 467 # if 'vhosts' is not set in your USE flags, we install a copy of
271 # this application in /var/www/localhost/htdocs/${PN}/ for you 468 # this application in /var/www/localhost/htdocs/${PN}/ for you
272 469
273
274 if ! use vhosts ; then 470 if ! use vhosts ; then
471 echo
275 einfo "vhosts USE flag not set - auto-installing using webapp-config" 472 einfo "vhosts USE flag not set - auto-installing using webapp-config"
276 473
474 webapp_getinstalltype
475
277 G_HOSTNAME="localhost" 476 G_HOSTNAME="localhost"
278 . /etc/vhosts/webapp-config 477 . "${ETC_CONFIG}"
279 478
280 local my_mode=-I 479 local my_mode=-I
281 local my_dir="/${PN}"
282 480
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 481 if [ "$IS_REPLACE" = "1" ]; then
295 482 einfo "${PN}-${PVR} is already installed - replacing"
296 # something is in there - but the question has to be ... what? 483 my_mode=-I
297 484 elif [ "$IS_UPGRADE" = "1" ]; then
298 ewarn "$my_output already installed" 485 einfo "$REMOVE_PKG is already installed - upgrading"
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 $my_dir
307 else
308 # we have an older version of whatever it is our ebuild is
309 # trying to install ;-)
310 #
311 # this is the situation we can deal with
312
313 einfo "selecting upgrade mode"
314 my_mode=-U 486 my_mode=-U
315 fi
316 else
317 # this should never happen - but just in case ...
318 #
319 # whatever is in that directory, it isn't the application
320 # that we are currently trying to install
321 #
322 # rather than overwrite the contents, we bail with an error
323 # instead
324
325 die "$my_output is already installed in $my_dir"
326 fi
327 else 487 else
328 einfo "${PN}-${PVR} is not installed - using install mode" 488 einfo "${PN}-${PVR} is not installed - using install mode"
329 fi 489 fi
330 490
331 my_cmd="/usr/sbin/webapp-config $my_mode -h localhost -u root -d $my_dir ${PN} ${PVR}" 491 my_cmd="/usr/sbin/webapp-config $my_mode -h localhost -u root -d $INSTALL_DIR ${PN} ${PVR}"
332 einfo "Running $my_cmd" 492 einfo "Running $my_cmd"
333 $my_cmd 493 $my_cmd
494
495 # remove the old version
496 #
497 # why do we do this? well ...
498 #
499 # normally, emerge -u installs a new version and then removes the
500 # old version. however, if the new version goes into a different
501 # slot to the old version, then the old version gets left behind
502 #
503 # if USE=-vhosts, then we want to remove the old version, because
504 # the user is relying on portage to do the magical thing for it
505
506 if [ "$IS_UPGRADE" = "1" ] ; then
507 einfo "Removing old version $REMOVE_PKG"
508
509 emerge -C "$REMOVE_PKG"
510 fi
511 else
512 # vhosts flag is on
513 #
514 # let's tell the administrator what to do next
515
516 einfo
517 einfo "The 'vhosts' USE flag is switched ON"
518 einfo "This means that Portage will not automatically run webapp-config to"
519 einfo "complete the installation."
520 einfo
521 einfo "To install $PN-$PVR into a virtual host, run the following command:"
522 einfo
523 einfo " webapp-config -I -h <host> -d $PN $PN $PVR"
524 einfo
525 einfo "For more details, see the webapp-config(8) man page"
334 fi 526 fi
335 527
336 return 0 528 return 0
337} 529}
530
531function webapp_pkg_prerm ()
532{
533 # remove any virtual installs that there are
534
535 local my_output
536 local x
537
538 my_output="`webapp-config --list-installs $PN $PVR`"
539
540 if [ "$?" != "0" ]; then
541 return
542 fi
543
544 # the changes to IFS here are necessary to ensure that we can cope
545 # with directories that contain spaces in the file names
546
547 # OLD_IFS="$IFS"
548 # IFS=" "
549
550 for x in $my_output ; do
551 # IFS="$OLD_IFS"
552
553 [ -f $x/.webapp ] && . $x/.webapp || ewarn "Cannot find file $x/.webapp"
554
555 if [ -z "WEB_HOSTNAME" -o -z "WEB_INSTALLDIR" ]; then
556 ewarn "Don't forget to use webapp-config to remove the copy of"
557 ewarn "${PN}-${PVR} installed in"
558 ewarn
559 ewarn " $x"
560 ewarn
561 else
562 # we have enough information to remove the virtual copy ourself
563
564 webapp-config -C -h ${WEB_HOSTNAME} -d ${WEB_INSTALLDIR}
565
566 # if the removal fails - we carry on anyway!
567 fi
568 # IFS=" "
569 done
570
571 # IFS="$OLD_IFS"
572}

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