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1# Copyright 1999-2008 Gentoo Foundation 1# Copyright 1999-2009 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/elisp-common.eclass,v 1.45 2008/09/01 10:45:26 ulm Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/elisp-common.eclass,v 1.60 2009/04/14 15:45:45 ulm Exp $
4# 4#
5# Copyright 2002-2004 Matthew Kennedy <mkennedy@gentoo.org> 5# Copyright 2002-2004 Matthew Kennedy <mkennedy@gentoo.org>
6# Copyright 2003 Jeremy Maitin-Shepard <jbms@attbi.com> 6# Copyright 2003 Jeremy Maitin-Shepard <jbms@attbi.com>
7# Copyright 2004-2005 Mamoru Komachi <usata@gentoo.org> 7# Copyright 2004-2005 Mamoru Komachi <usata@gentoo.org>
8# Copyright 2007-2008 Christian Faulhammer <opfer@gentoo.org> 8# Copyright 2007-2008 Christian Faulhammer <fauli@gentoo.org>
9# Copyright 2007-2008 Ulrich Müller <ulm@gentoo.org> 9# Copyright 2007-2009 Ulrich Müller <ulm@gentoo.org>
10# 10#
11# @ECLASS: elisp-common.eclass 11# @ECLASS: elisp-common.eclass
12# @MAINTAINER: 12# @MAINTAINER:
13# Feel free to contact the Emacs team through <emacs@gentoo.org> if you have 13# Feel free to contact the Emacs team through <emacs@gentoo.org> if you
14# problems, suggestions or questions. 14# have problems, suggestions or questions.
15# @BLURB: Emacs-related installation utilities 15# @BLURB: Emacs-related installation utilities
16# @DESCRIPTION: 16# @DESCRIPTION:
17# 17#
18# Usually you want to use this eclass for (optional) GNU Emacs support of 18# Usually you want to use this eclass for (optional) GNU Emacs support
19# your package. This is NOT for XEmacs! 19# of your package. This is NOT for XEmacs!
20# 20#
21# Many of the steps here are sometimes done by the build system of your 21# Many of the steps here are sometimes done by the build system of your
22# package (especially compilation), so this is mainly for standalone elisp 22# package (especially compilation), so this is mainly for standalone
23# files you gathered from somewhere else. 23# elisp files you gathered from somewhere else.
24# 24#
25# When relying on the emacs USE flag, you need to add 25# When relying on the emacs USE flag, you need to add
26# 26#
27# emacs? ( virtual/emacs ) 27# emacs? ( virtual/emacs )
28# 28#
29# to your DEPEND/RDEPEND line and use the functions provided here to bring 29# to your DEPEND/RDEPEND line and use the functions provided here to
30# the files to the correct locations. 30# bring the files to the correct locations.
31# 31#
32# .SS 32# .SS
33# src_compile() usage: 33# src_compile() usage:
34# 34#
35# An elisp file is compiled by the elisp-compile() function defined here and 35# An elisp file is compiled by the elisp-compile() function defined
36# simply takes the source files as arguments. The case of interdependent 36# here and simply takes the source files as arguments. The case of
37# elisp files is also supported, since the current directory is added to the 37# interdependent elisp files is also supported, since the current
38# load-path which makes sure that all files are loadable. 38# directory is added to the load-path which makes sure that all files
39# are loadable.
39# 40#
40# elisp-compile *.el || die "elisp-compile failed" 41# elisp-compile *.el || die
41# 42#
42# Formerly, function elisp-comp() was used for compilation of interdependent
43# elisp files. This usage is considered as obsolete.
44#
45# Function elisp-make-autoload-file() can be used to generate a file with 43# Function elisp-make-autoload-file() can be used to generate a file
46# autoload definitions for the lisp functions. It takes the output file name 44# with autoload definitions for the lisp functions. It takes the output
47# (default: "${PN}-autoloads.el") and a list of directories (default: working 45# file name (default: "${PN}-autoloads.el") and a list of directories
48# directory) as its arguments. Use of this function requires that the elisp 46# (default: working directory) as its arguments. Use of this function
49# source files contain magic ";;;###autoload" comments. See the Emacs Lisp 47# requires that the elisp source files contain magic ";;;###autoload"
50# Reference Manual (node "Autoload") for a detailed explanation. 48# comments. See the Emacs Lisp Reference Manual (node "Autoload") for
49# a detailed explanation.
51# 50#
52# .SS 51# .SS
53# src_install() usage: 52# src_install() usage:
54# 53#
55# The resulting compiled files (.elc) should be put in a subdirectory of 54# The resulting compiled files (.elc) should be put in a subdirectory of
56# /usr/share/emacs/site-lisp/ which is named after the first argument 55# /usr/share/emacs/site-lisp/ which is named after the first argument
57# of elisp-install(). The following parameters are the files to be put in 56# of elisp-install(). The following parameters are the files to be put
58# that directory. Usually the subdirectory should be ${PN}, you can choose 57# in that directory. Usually the subdirectory should be ${PN}, you can
59# something else, but remember to tell elisp-site-file-install() (see below) 58# choose something else, but remember to tell elisp-site-file-install()
60# the change, as it defaults to ${PN}. 59# (see below) the change, as it defaults to ${PN}.
61# 60#
62# elisp-install ${PN} *.el *.elc || die "elisp-install failed" 61# elisp-install ${PN} *.el *.elc || die
63# 62#
64# To let the Emacs support be activated by Emacs on startup, you need 63# To let the Emacs support be activated by Emacs on startup, you need
65# to provide a site file (shipped in ${FILESDIR}) which contains the startup 64# to provide a site file (shipped in ${FILESDIR}) which contains the
66# code (have a look in the documentation of your software). Normally this 65# startup code (have a look in the documentation of your software).
67# would look like this: 66# Normally this would look like this:
68# 67#
69# ;;; csv-mode site-lisp configuration 68# ;;; csv-mode site-lisp configuration
70# 69#
71# (add-to-list 'load-path "@SITELISP@") 70# (add-to-list 'load-path "@SITELISP@")
72# (add-to-list 'auto-mode-alist '("\\.csv\\'" . csv-mode)) 71# (add-to-list 'auto-mode-alist '("\\.csv\\'" . csv-mode))
73# (autoload 'csv-mode "csv-mode" "Major mode for csv files." t) 72# (autoload 'csv-mode "csv-mode" "Major mode for csv files." t)
74# 73#
75# If your Emacs support files are installed in a subdirectory of 74# If your Emacs support files are installed in a subdirectory of
76# /usr/share/emacs/site-lisp/ (which is recommended), you need to extend 75# /usr/share/emacs/site-lisp/ (which is strongly recommended), you need
77# Emacs' load-path as shown in the first non-comment. 76# to extend Emacs' load-path as shown in the first non-comment line.
78# The elisp-site-file-install() function of this eclass will replace 77# The elisp-site-file-install() function of this eclass will replace
79# "@SITELISP@" by the actual path. 78# "@SITELISP@" and "@SITEETC@" by the actual paths.
80# 79#
81# The next line tells Emacs to load the mode opening a file ending with 80# The next line tells Emacs to load the mode opening a file ending
82# ".csv" and load functions depending on the context and needed features. 81# with ".csv" and load functions depending on the context and needed
83# Be careful though. Commands as "load-library" or "require" bloat the 82# features. Be careful though. Commands as "load-library" or "require"
84# editor as they are loaded on every startup. When having a lot of Emacs 83# bloat the editor as they are loaded on every startup. When having
85# support files, users may be annoyed by the start-up time. Also avoid 84# many Emacs support files, users may be annoyed by the start-up time.
86# keybindings as they might interfere with the user's settings. Give a hint 85# Also avoid keybindings as they might interfere with the user's
87# in pkg_postinst(), which should be enough. 86# settings. Give a hint in pkg_postinst(), which should be enough.
88# 87#
89# The naming scheme for this site file is "[0-9][0-9]*-gentoo.el", where the 88# The naming scheme for this site-init file matches the shell pattern
90# two digits at the beginning define the loading order. So if you depend on 89# "[1-8][0-9]*-gentoo*.el", where the two digits at the beginning define
90# the loading order (numbers below 10 or above 89 are reserved for
91# internal use). So if your initialisation depends on another Emacs
91# another Emacs package, your site file's number must be higher! 92# package, your site file's number must be higher!
92# 93#
93# Best practice is to define a SITEFILE variable in the global scope of your 94# Best practice is to define a SITEFILE variable in the global scope of
94# ebuild (right after DEPEND e.g.): 95# your ebuild (e.g., right after S or RDEPEND):
95# 96#
96# SITEFILE=50${PN}-gentoo.el 97# SITEFILE="50${PN}-gentoo.el"
97# 98#
98# Which is then installed by 99# Which is then installed by
99# 100#
100# elisp-site-file-install "${FILESDIR}/${SITEFILE}" || die 101# elisp-site-file-install "${FILESDIR}/${SITEFILE}" || die
101# 102#
103# in src_install(). Any characters after the "-gentoo" part and before
104# the extension will be stripped from the destination file's name.
105# For example, a file "50${PN}-gentoo-${PV}.el" will be installed as
102# in src_install(). If your subdirectory is not named ${PN}, give the 106# "50${PN}-gentoo.el". If your subdirectory is not named ${PN}, give
103# differing name as second argument. 107# the differing name as second argument.
104# 108#
105# .SS 109# .SS
106# pkg_postinst() / pkg_postrm() usage: 110# pkg_postinst() / pkg_postrm() usage:
107# 111#
108# After that you need to recreate the start-up file of Emacs after emerging 112# After that you need to recreate the start-up file of Emacs after
109# and unmerging by using 113# emerging and unmerging by using
110# 114#
111# pkg_postinst() { 115# pkg_postinst() {
112# elisp-site-regen 116# elisp-site-regen
113# } 117# }
114# 118#
115# pkg_postrm() { 119# pkg_postrm() {
116# elisp-site-regen 120# elisp-site-regen
117# } 121# }
118# 122#
119# When having optional Emacs support, you should prepend "use emacs &&" to 123# When having optional Emacs support, you should prepend "use emacs &&"
120# above calls of elisp-site-regen(). Don't use "has_version virtual/emacs"! 124# to above calls of elisp-site-regen().
121# When unmerging the state of the emacs USE flag is taken from the package 125# Don't use "has_version virtual/emacs"! When unmerging the state of
122# database and not from the environment, so it is no problem when you unset 126# the emacs USE flag is taken from the package database and not from the
127# environment, so it is no problem when you unset USE=emacs between
123# USE=emacs between merge and unmerge of a package. 128# merge and unmerge of a package.
124# 129#
125# .SS 130# .SS
126# Miscellaneous functions: 131# Miscellaneous functions:
127# 132#
128# elisp-emacs-version() outputs the version of the currently active Emacs. 133# elisp-emacs-version() outputs the version of the currently active Emacs.
130# @ECLASS-VARIABLE: SITELISP 135# @ECLASS-VARIABLE: SITELISP
131# @DESCRIPTION: 136# @DESCRIPTION:
132# Directory where packages install Emacs Lisp files. 137# Directory where packages install Emacs Lisp files.
133SITELISP=/usr/share/emacs/site-lisp 138SITELISP=/usr/share/emacs/site-lisp
134 139
140# @ECLASS-VARIABLE: SITEETC
141# @DESCRIPTION:
135# Directory where packages install miscellaneous (not Lisp) files. 142# Directory where packages install miscellaneous (not Lisp) files.
136SITEETC=/usr/share/emacs/etc 143SITEETC=/usr/share/emacs/etc
137
138# @ECLASS-VARIABLE: SITEFILE
139# @DESCRIPTION:
140# Name of package's site-init file.
141SITEFILE=50${PN}-gentoo.el
142 144
143# @ECLASS-VARIABLE: EMACS 145# @ECLASS-VARIABLE: EMACS
144# @DESCRIPTION: 146# @DESCRIPTION:
145# Path of Emacs executable. 147# Path of Emacs executable.
146EMACS=/usr/bin/emacs 148EMACS=/usr/bin/emacs
159# @FUNCTION: elisp-compile 161# @FUNCTION: elisp-compile
160# @USAGE: <list of elisp files> 162# @USAGE: <list of elisp files>
161# @DESCRIPTION: 163# @DESCRIPTION:
162# Byte-compile Emacs Lisp files. 164# Byte-compile Emacs Lisp files.
163# 165#
164# This function uses GNU Emacs to byte-compile all ".el" specified by its 166# This function uses GNU Emacs to byte-compile all ".el" specified by
165# arguments. The resulting byte-code (".elc") files are placed in the same 167# its arguments. The resulting byte-code (".elc") files are placed in
166# directory as their corresponding source file. 168# the same directory as their corresponding source file.
167# 169#
168# The current directory is added to the load-path. This will ensure that 170# The current directory is added to the load-path. This will ensure
169# interdependent Emacs Lisp files are visible between themselves, in case 171# that interdependent Emacs Lisp files are visible between themselves,
170# they require or load one another. 172# in case they require or load one another.
171 173
172elisp-compile() { 174elisp-compile() {
173 ebegin "Compiling GNU Emacs Elisp files" 175 ebegin "Compiling GNU Emacs Elisp files"
174 ${EMACS} ${EMACSFLAGS} ${BYTECOMPFLAGS} -f batch-byte-compile "$@" 176 ${EMACS} ${EMACSFLAGS} ${BYTECOMPFLAGS} -f batch-byte-compile "$@"
175 eend $? "batch-byte-compile failed" 177 eend $? "elisp-compile: batch-byte-compile failed"
176} 178}
177
178# #FUNCTION: elisp-comp
179# #USAGE: <list of elisp files>
180# #DESCRIPTION:
181# Byte-compile interdependent Emacs Lisp files.
182#
183# This function byte-compiles all ".el" files which are part of its
184# arguments, using GNU Emacs, and puts the resulting ".elc" files into the
185# current directory, so disregarding the original directories used in ".el"
186# arguments.
187#
188# This function manages in such a way that all Emacs Lisp files to be
189# compiled are made visible between themselves, in the event they require or
190# load one another.
191 179
192elisp-comp() { 180elisp-comp() {
193 # Copyright 1995 Free Software Foundation, Inc. 181 die "Function elisp-comp is not supported any more, see bug 235442"
194 # François Pinard <pinard@iro.umontreal.ca>, 1995.
195 # Originally taken from GNU autotools.
196
197 [ $# -gt 0 ] || return 1
198
199 ebegin "Compiling GNU Emacs Elisp files"
200
201 local tempdir=elc.$$
202 mkdir ${tempdir}
203 cp "$@" ${tempdir}
204 pushd ${tempdir}
205
206 echo "(add-to-list 'load-path \"../\")" > script
207 ${EMACS} ${EMACSFLAGS} -l script -f batch-byte-compile *.el
208 local ret=$?
209 mv *.elc ..
210
211 popd
212 rm -fr ${tempdir}
213
214 eend ${ret} "batch-byte-compile failed"
215 return ${ret}
216} 182}
217 183
218# @FUNCTION: elisp-emacs-version 184# @FUNCTION: elisp-emacs-version
219# @DESCRIPTION: 185# @DESCRIPTION:
220# Output version of currently active Emacs. 186# Output version of currently active Emacs.
256 ${EMACS} ${EMACSFLAGS} \ 222 ${EMACS} ${EMACSFLAGS} \
257 --eval "(setq make-backup-files nil)" \ 223 --eval "(setq make-backup-files nil)" \
258 --eval "(setq generated-autoload-file (expand-file-name \"${f}\"))" \ 224 --eval "(setq generated-autoload-file (expand-file-name \"${f}\"))" \
259 -f batch-update-autoloads "${@-.}" 225 -f batch-update-autoloads "${@-.}"
260 226
261 eend $? "batch-update-autoloads failed" 227 eend $? "elisp-make-autoload-file: batch-update-autoloads failed"
262} 228}
263 229
264# @FUNCTION: elisp-install 230# @FUNCTION: elisp-install
265# @USAGE: <subdirectory> <list of files> 231# @USAGE: <subdirectory> <list of files>
266# @DESCRIPTION: 232# @DESCRIPTION:
272 ebegin "Installing Elisp files for GNU Emacs support" 238 ebegin "Installing Elisp files for GNU Emacs support"
273 ( # subshell to avoid pollution of calling environment 239 ( # subshell to avoid pollution of calling environment
274 insinto "${SITELISP}/${subdir}" 240 insinto "${SITELISP}/${subdir}"
275 doins "$@" 241 doins "$@"
276 ) 242 )
277 eend $? "doins failed" 243 eend $? "elisp-install: doins failed"
278} 244}
279 245
280# @FUNCTION: elisp-site-file-install 246# @FUNCTION: elisp-site-file-install
281# @USAGE: <site-init file> [subdirectory] 247# @USAGE: <site-init file> [subdirectory]
282# @DESCRIPTION: 248# @DESCRIPTION:
283# Install Emacs site-init file in SITELISP directory. 249# Install Emacs site-init file in SITELISP directory. Automatically
250# inserts a standard comment header with the name of the package (unless
251# it is already present). Tokens @SITELISP@ and @SITEETC@ are replaced
252# by the path to the package's subdirectory in SITELISP and SITEETC,
253# respectively.
284 254
285elisp-site-file-install() { 255elisp-site-file-install() {
286 local sf="${T}/${1##*/}" my_pn="${2:-${PN}}" ret 256 local sf="${1##*/}" my_pn="${2:-${PN}}" ret
257 local header=";;; ${PN} site-lisp configuration"
258
259 [[ ${sf} == [0-9][0-9]*-gentoo*.el ]] \
260 || ewarn "elisp-site-file-install: bad name of site-init file"
261 sf="${T}/${sf/%-gentoo*.el/-gentoo.el}"
287 ebegin "Installing site initialisation file for GNU Emacs" 262 ebegin "Installing site initialisation file for GNU Emacs"
288 cp "$1" "${sf}" 263 [[ $1 = ${sf} ]] || cp "$1" "${sf}"
264 sed -i -e "1{:x;/^\$/{n;bx;};/^;.*${PN}/I!s:^:${header}\n\n:;1s:^:\n:;}" \
289 sed -i -e "s:@SITELISP@:${SITELISP}/${my_pn}:g" \ 265 -e "s:@SITELISP@:${SITELISP}/${my_pn}:g" \
290 -e "s:@SITEETC@:${SITEETC}/${my_pn}:g" "${sf}" 266 -e "s:@SITEETC@:${SITEETC}/${my_pn}:g;\$q" "${sf}"
291 ( # subshell to avoid pollution of calling environment 267 ( # subshell to avoid pollution of calling environment
292 insinto "${SITELISP}/site-gentoo.d" 268 insinto "${SITELISP}/site-gentoo.d"
293 doins "${sf}" 269 doins "${sf}"
294 ) 270 )
295 ret=$? 271 ret=$?
296 rm -f "${sf}" 272 rm -f "${sf}"
297 eend ${ret} "doins failed" 273 eend ${ret} "elisp-site-file-install: doins failed"
298} 274}
299 275
300# @FUNCTION: elisp-site-regen 276# @FUNCTION: elisp-site-regen
301# @DESCRIPTION: 277# @DESCRIPTION:
302# Regenerate site-gentoo.el file. The old location for site initialisation 278# Regenerate the site-gentoo.el file, based on packages' site
303# files of packages was /usr/share/emacs/site-lisp/. In December 2007 this 279# initialisation files in the /usr/share/emacs/site-lisp/site-gentoo.d/
304# has been changed to /usr/share/emacs/site-lisp/site-gentoo.d/. Remerge of 280# directory.
305# packages with Emacs support is enough, the old location is still supported 281#
306# when generating the start-up file. 282# Note: Before December 2007, site initialisation files were installed
283# in /usr/share/emacs/site-lisp/. For backwards compatibility, this
284# location is still supported when generating site-gentoo.el.
307 285
308elisp-site-regen() { 286elisp-site-regen() {
309 local i sf line obsolete 287 local i sf line obsolete
310 local -a sflist 288 local -a sflist
311 # Work around Paludis borkage: variable T is empty in pkg_postrm
312 local tmpdir=${T:-$(mktemp -d)}
313 289
314 if [ ! -d "${ROOT}${SITELISP}" ]; then 290 if [ ! -d "${ROOT}${SITELISP}" ]; then
315 eerror "Directory ${SITELISP} does not exist" 291 eerror "elisp-site-regen: Directory ${SITELISP} does not exist"
316 return 1 292 return 1
317 fi 293 fi
318 294
319 if [ ! -e "${ROOT}${SITELISP}"/site-gentoo.el ] \ 295 if [ ! -d "${T}" ]; then
320 && [ ! -e "${ROOT}${SITELISP}"/site-start.el ]; then 296 eerror "elisp-site-regen: Temporary directory ${T} does not exist"
321 einfo "Creating default ${SITELISP}/site-start.el ..." 297 return 1
322 cat <<-EOF >"${tmpdir}"/site-start.el
323 ;;; site-start.el
324
325 ;;; Commentary:
326 ;; This default site startup file is installed by elisp-common.eclass.
327 ;; You may replace this file by your own site initialisation, or even
328 ;; remove it completely; it will not be recreated.
329
330 ;;; Code:
331 ;; Load site initialisation for Gentoo-installed packages.
332 (require 'site-gentoo)
333
334 ;;; site-start.el ends here
335 EOF
336 fi 298 fi
337 299
338 einfon "Regenerating ${SITELISP}/site-gentoo.el ..." 300 einfon "Regenerating site-gentoo.el for GNU Emacs (${EBUILD_PHASE}) ..."
339 301
340 # remove any auxiliary file (from previous run) 302 # Until January 2009, elisp-common.eclass sometimes created an
303 # auxiliary file for backwards compatibility. Remove any such file.
341 rm -f "${ROOT}${SITELISP}"/00site-gentoo.el 304 rm -f "${ROOT}${SITELISP}"/00site-gentoo.el
342 305
343 # set nullglob option, there may be a directory without matching files 306 # set nullglob option, there may be a directory without matching files
344 local old_shopts=$(shopt -p nullglob) 307 local old_shopts=$(shopt -p nullglob)
345 shopt -s nullglob 308 shopt -s nullglob
358 [ "${sf%/*}" = "${ROOT}${SITELISP}" ] && obsolete=t 321 [ "${sf%/*}" = "${ROOT}${SITELISP}" ] && obsolete=t
359 done 322 done
360 323
361 eval "${old_shopts}" 324 eval "${old_shopts}"
362 325
363 cat <<-EOF >"${tmpdir}"/site-gentoo.el 326 cat <<-EOF >"${T}"/site-gentoo.el
364 ;;; site-gentoo.el --- site initialisation for Gentoo-installed packages 327 ;;; site-gentoo.el --- site initialisation for Gentoo-installed packages
365 328
366 ;;; Commentary: 329 ;;; Commentary:
367 ;; Automatically generated by elisp-common.eclass 330 ;; Automatically generated by elisp-common.eclass
368 ;; DO NOT EDIT THIS FILE 331 ;; DO NOT EDIT THIS FILE
369 332
370 ;;; Code: 333 ;;; Code:
371 EOF 334 EOF
335 # Use sed instead of cat here, since files may miss a trailing newline.
372 cat "${sflist[@]}" </dev/null >>"${tmpdir}"/site-gentoo.el 336 sed '$q' "${sflist[@]}" </dev/null >>"${T}"/site-gentoo.el
373 cat <<-EOF >>"${tmpdir}"/site-gentoo.el 337 cat <<-EOF >>"${T}"/site-gentoo.el
374 338
375 (provide 'site-gentoo) 339 (provide 'site-gentoo)
376 340
377 ;; Local Variables: 341 ;; Local Variables:
378 ;; no-byte-compile: t 342 ;; no-byte-compile: t
379 ;; End: 343 ;; End:
380 ;;; site-gentoo.el ends here 344 ;;; site-gentoo.el ends here
381 EOF 345 EOF
382 346
383 if cmp -s "${ROOT}${SITELISP}"/site-gentoo.el "${tmpdir}"/site-gentoo.el 347 if cmp -s "${ROOT}${SITELISP}"/site-gentoo.el "${T}"/site-gentoo.el
384 then 348 then
385 # This prevents outputting unnecessary text when there 349 # This prevents outputting unnecessary text when there
386 # was actually no change. 350 # was actually no change.
387 # A case is a remerge where we have doubled output. 351 # A case is a remerge where we have doubled output.
388 echo " no changes." 352 echo " no changes."
389 else 353 else
390 mv "${tmpdir}"/site-gentoo.el "${ROOT}${SITELISP}"/site-gentoo.el 354 mv "${T}"/site-gentoo.el "${ROOT}${SITELISP}"/site-gentoo.el
391 [ -f "${tmpdir}"/site-start.el ] \
392 && [ ! -e "${ROOT}${SITELISP}"/site-start.el ] \
393 && mv "${tmpdir}"/site-start.el "${ROOT}${SITELISP}"/site-start.el
394 echo; einfo
395 for sf in "${sflist[@]##*/}"; do
396 einfo " Adding ${sf} ..."
397 done
398 einfo "Regenerated ${SITELISP}/site-gentoo.el."
399
400 echo 355 echo
401 while read line; do einfo "${line:- }"; done <<-EOF 356 einfo "... ${#sflist[@]} site initialisation file(s) included."
402 All site initialisation for Gentoo-installed packages is added to 357 fi
403 /usr/share/emacs/site-lisp/site-gentoo.el; site-start.el is not
404 managed by Gentoo. You are responsible for all maintenance of
405 site-start.el if there is such a file.
406 358
407 In order for this site initialisation to be loaded for all users 359 if [ "${obsolete}" ]; then
408 automatically, you can add a line like this:
409
410 (require 'site-gentoo)
411
412 to /usr/share/emacs/site-lisp/site-start.el. Alternatively, that line
413 can be added by individual users to their initialisation files, or,
414 for greater flexibility, users can load individual package-specific
415 initialisation files from /usr/share/emacs/site-lisp/site-gentoo.d/.
416 EOF
417 echo 360 echo
418 fi
419
420 if [ "${obsolete}" ]; then
421 while read line; do ewarn "${line}"; done <<-EOF 361 while read line; do ewarn "${line}"; done <<-EOF
422 Site-initialisation files of Emacs packages are now installed in 362 Site-initialisation files of Emacs packages are now installed in
423 /usr/share/emacs/site-lisp/site-gentoo.d/. We strongly recommend 363 /usr/share/emacs/site-lisp/site-gentoo.d/. We strongly recommend
424 that you use /usr/sbin/emacs-updater to rebuild the installed 364 that you use app-admin/emacs-updater to rebuild the installed
425 Emacs packages. 365 Emacs packages.
426 EOF 366 EOF
427 echo
428
429 # Kludge for backwards compatibility: During pkg_postrm, old versions
430 # of this eclass (saved in the VDB) won't find packages' site-init
431 # files in the new location. So we copy them to an auxiliary file
432 # that is visible to old eclass versions.
433 for sf in "${sflist[@]}"; do
434 [ "${sf%/*}" = "${ROOT}${SITELISP}/site-gentoo.d" ] \
435 && cat "${sf}" >>"${ROOT}${SITELISP}"/00site-gentoo.el
436 done
437 fi 367 fi
438 368
439 # cleanup 369 # cleanup
440 rm -f "${tmpdir}"/site-{gentoo,start}.el 370 rm -f "${T}"/site-gentoo.el
441 371
442 return 0 372 return 0
443} 373}

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