/[gentoo-x86]/eclass/elisp-common.eclass
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1# Copyright 1999-2007 Gentoo Foundation 1# Copyright 1999-2008 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 1.32 2007/12/11 12:28:05 ulm Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/elisp-common.eclass,v 1.40 2008/05/18 06:15:12 ulm Exp $
4# 4#
5# Copyright 2007 Christian Faulhammer <opfer@gentoo.org>
6# 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>
7# Copyright 2004-2005 Mamoru Komachi <usata@gentoo.org> 7# Copyright 2004-2005 Mamoru Komachi <usata@gentoo.org>
8# Copyright 2003 Jeremy Maitin-Shepard <jbms@attbi.com> 8# Copyright 2007-2008 Christian Faulhammer <opfer@gentoo.org>
9# Copyright 2007 Ulrich Mueller <ulm@gentoo.org> 9# Copyright 2007-2008 Ulrich MΓΌller <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 have
14# problems, suggestions or questions. 14# problems, suggestions or questions.
139# @DESCRIPTION: 139# @DESCRIPTION:
140# Name of package's site-init file. 140# Name of package's site-init file.
141SITEFILE=50${PN}-gentoo.el 141SITEFILE=50${PN}-gentoo.el
142 142
143EMACS=/usr/bin/emacs 143EMACS=/usr/bin/emacs
144# The following works for Emacs versions 18--23, don't change it. 144# The following works for Emacs versions 18-23, don't change it.
145EMACSFLAGS="-batch -q --no-site-file" 145EMACSFLAGS="-batch -q --no-site-file"
146 146
147# @FUNCTION: elisp-compile 147# @FUNCTION: elisp-compile
148# @USAGE: <list of elisp files> 148# @USAGE: <list of elisp files>
149# @DESCRIPTION: 149# @DESCRIPTION:
201 201
202elisp-emacs-version() { 202elisp-emacs-version() {
203 # The following will work for at least versions 18-23. 203 # The following will work for at least versions 18-23.
204 echo "(princ emacs-version)" >"${T}"/emacs-version.el 204 echo "(princ emacs-version)" >"${T}"/emacs-version.el
205 ${EMACS} ${EMACSFLAGS} -l "${T}"/emacs-version.el 205 ${EMACS} ${EMACSFLAGS} -l "${T}"/emacs-version.el
206 rm -f "${T}"/emacs-version.el
206} 207}
207 208
208# @FUNCTION: elisp-make-autoload-file 209# @FUNCTION: elisp-make-autoload-file
209# @USAGE: [output file] [list of directories] 210# @USAGE: [output file] [list of directories]
210# @DESCRIPTION: 211# @DESCRIPTION:
260# @USAGE: <site-init file> [subdirectory] 261# @USAGE: <site-init file> [subdirectory]
261# @DESCRIPTION: 262# @DESCRIPTION:
262# Install Emacs site-init file in SITELISP directory. 263# Install Emacs site-init file in SITELISP directory.
263 264
264elisp-site-file-install() { 265elisp-site-file-install() {
265 local sf="$1" my_pn="${2:-${PN}}" 266 local sf="${T}/${1##*/}" my_pn="${2:-${PN}}" ret
266 ebegin "Installing site initialisation file for GNU Emacs" 267 ebegin "Installing site initialisation file for GNU Emacs"
267 cp "${sf}" "${T}" 268 cp "$1" "${sf}"
268 sed -i -e "s:@SITELISP@:${SITELISP}/${my_pn}:g" \ 269 sed -i -e "s:@SITELISP@:${SITELISP}/${my_pn}:g" \
269 -e "s:@SITEETC@:${SITEETC}/${my_pn}:g" "${T}/${sf##*/}" 270 -e "s:@SITEETC@:${SITEETC}/${my_pn}:g" "${sf}"
270 ( # subshell to avoid pollution of calling environment 271 ( # subshell to avoid pollution of calling environment
271 insinto "${SITELISP}" 272 insinto "${SITELISP}/site-gentoo.d"
272 doins "${T}/${sf##*/}" 273 doins "${sf}"
273 ) 274 )
275 ret=$?
276 rm -f "${sf}"
274 eend $? "doins failed" 277 eend ${ret} "doins failed"
275} 278}
276 279
277# @FUNCTION: elisp-site-regen 280# @FUNCTION: elisp-site-regen
278# @DESCRIPTION: 281# @DESCRIPTION:
279# Regenerate site-gentoo.el file. 282# Regenerate site-gentoo.el file. The old location for site initialisation
280 283# files of packages was /usr/share/emacs/site-lisp/. In December 2007 this
281# Old location for site initialisation files of packages was 284# has been changed to /usr/share/emacs/site-lisp/site-gentoo.d/. Remerge of
282# /usr/share/emacs/site-lisp/. It is planned to change this to 285# packages with Emacs support is enough, the old location is still supported
283# /usr/share/emacs/site-lisp/site-gentoo.d/. 286# when generating the start-up file.
284 287
285elisp-site-regen() { 288elisp-site-regen() {
286 local i sf line 289 local i sf line obsolete
287 local -a sflist 290 local -a sflist
291 # Work around Paludis borkage: variable T is empty in pkg_postrm
292 local tmpdir=${T:-$(mktemp -d)}
293
294 if [ ! -d "${ROOT}${SITELISP}" ]; then
295 eerror "Directory ${SITELISP} does not exist"
296 return 1
297 fi
288 298
289 if [ ! -e "${ROOT}${SITELISP}"/site-gentoo.el ] \ 299 if [ ! -e "${ROOT}${SITELISP}"/site-gentoo.el ] \
290 && [ ! -e "${ROOT}${SITELISP}"/site-start.el ]; then 300 && [ ! -e "${ROOT}${SITELISP}"/site-start.el ]; then
291 einfo "Creating default ${SITELISP}/site-start.el ..." 301 einfo "Creating default ${SITELISP}/site-start.el ..."
292 cat <<-EOF >"${T}"/site-start.el 302 cat <<-EOF >"${tmpdir}"/site-start.el
293 ;;; site-start.el 303 ;;; site-start.el
294 304
295 ;;; Commentary: 305 ;;; Commentary:
296 ;; This default site startup file is installed by elisp-common.eclass. 306 ;; This default site startup file is installed by elisp-common.eclass.
297 ;; You may replace this file by your own site initialisation, or even 307 ;; You may replace this file by your own site initialisation, or even
322 for ((i=${#sflist[@]}; i>0; i--)); do 332 for ((i=${#sflist[@]}; i>0; i--)); do
323 [[ ${sf##*/} < ${sflist[i-1]##*/} ]] || break 333 [[ ${sf##*/} < ${sflist[i-1]##*/} ]] || break
324 sflist[i]=${sflist[i-1]} 334 sflist[i]=${sflist[i-1]}
325 done 335 done
326 sflist[i]=${sf} 336 sflist[i]=${sf}
337 # set a flag if there are obsolete files
338 [ "${sf%/*}" = "${ROOT}${SITELISP}" ] && obsolete=t
327 done 339 done
328 340
329 eval "${old_shopts}" 341 eval "${old_shopts}"
330 342
331 cat <<-EOF >"${T}"/site-gentoo.el 343 cat <<-EOF >"${tmpdir}"/site-gentoo.el
332 ;;; site-gentoo.el --- site initialisation for Gentoo-installed packages 344 ;;; site-gentoo.el --- site initialisation for Gentoo-installed packages
333 345
334 ;;; Commentary: 346 ;;; Commentary:
335 ;; Automatically generated by elisp-common.eclass 347 ;; Automatically generated by elisp-common.eclass
336 ;; DO NOT EDIT THIS FILE 348 ;; DO NOT EDIT THIS FILE
337 349
338 ;;; Code: 350 ;;; Code:
339 EOF 351 EOF
340 cat "${sflist[@]}" >>"${T}"/site-gentoo.el 352 cat "${sflist[@]}" </dev/null >>"${tmpdir}"/site-gentoo.el
341 cat <<-EOF >>"${T}"/site-gentoo.el 353 cat <<-EOF >>"${tmpdir}"/site-gentoo.el
342 354
343 (provide 'site-gentoo) 355 (provide 'site-gentoo)
344 356
345 ;; Local Variables: 357 ;; Local Variables:
346 ;; no-byte-compile: t 358 ;; no-byte-compile: t
347 ;; End: 359 ;; End:
348 ;;; site-gentoo.el ends here 360 ;;; site-gentoo.el ends here
349 EOF 361 EOF
350 362
351 if cmp -s "${ROOT}${SITELISP}"/site-gentoo.el "${T}"/site-gentoo.el; then 363 if cmp -s "${ROOT}${SITELISP}"/site-gentoo.el "${tmpdir}"/site-gentoo.el
364 then
352 # This prevents outputting unnecessary text when there 365 # This prevents outputting unnecessary text when there
353 # was actually no change. 366 # was actually no change.
354 # A case is a remerge where we have doubled output. 367 # A case is a remerge where we have doubled output.
355 echo " no changes." 368 echo " no changes."
356 else 369 else
357 mv "${T}"/site-gentoo.el "${ROOT}${SITELISP}"/site-gentoo.el 370 mv "${tmpdir}"/site-gentoo.el "${ROOT}${SITELISP}"/site-gentoo.el
358 [ -f "${T}"/site-start.el ] \ 371 [ -f "${tmpdir}"/site-start.el ] \
359 && [ ! -e "${ROOT}${SITELISP}"/site-start.el ] \ 372 && [ ! -e "${ROOT}${SITELISP}"/site-start.el ] \
360 && mv "${T}"/site-start.el "${ROOT}${SITELISP}"/site-start.el 373 && mv "${tmpdir}"/site-start.el "${ROOT}${SITELISP}"/site-start.el
361 echo; einfo 374 echo; einfo
362 for sf in "${sflist[@]##*/}"; do 375 for sf in "${sflist[@]##*/}"; do
363 einfo " Adding ${sf} ..." 376 einfo " Adding ${sf} ..."
364 done 377 done
365 einfo "Regenerated ${SITELISP}/site-gentoo.el." 378 einfo "Regenerated ${SITELISP}/site-gentoo.el."
377 (require 'site-gentoo) 390 (require 'site-gentoo)
378 391
379to /usr/share/emacs/site-lisp/site-start.el. Alternatively, that line 392to /usr/share/emacs/site-lisp/site-start.el. Alternatively, that line
380can be added by individual users to their initialisation files, or, 393can be added by individual users to their initialisation files, or,
381for greater flexibility, users can load individual package-specific 394for greater flexibility, users can load individual package-specific
382initialisation files from /usr/share/emacs/site-lisp/. 395initialisation files from /usr/share/emacs/site-lisp/site-gentoo.d/.
383EOF 396EOF
384 echo 397 echo
398
399 if [ "${obsolete}" ]; then
400 while read line; do ewarn "${line}"; done <<-EOF
401 Site-initialisation files of Emacs packages are now installed in
402 /usr/share/emacs/site-lisp/site-gentoo.d/. We strongly recommend
403 that you use /usr/sbin/emacs-updater to rebuild the installed
404 Emacs packages.
405 EOF
406 echo
407 fi
385 fi 408 fi
386 409
387 # Kludge for backwards compatibility: During pkg_postrm, old versions 410 # Kludge for backwards compatibility: During pkg_postrm, old versions
388 # of this eclass (saved in the PDB) won't find packages' site-init files 411 # of this eclass (saved in the VDB) won't find packages' site-init files
389 # in the new location. So we copy them to an auxiliary file that is 412 # in the new location. So we copy them to an auxiliary file that is
390 # visible to old eclass versions. 413 # visible to old eclass versions.
391 for sf in "${sflist[@]}"; do 414 for sf in "${sflist[@]}"; do
392 [ "${sf%/*}" = "${ROOT}${SITELISP}/site-gentoo.d" ] \ 415 [ "${sf%/*}" = "${ROOT}${SITELISP}/site-gentoo.d" ] \
393 && cat "${sf}" >>"${ROOT}${SITELISP}"/00site-gentoo.el 416 && cat "${sf}" >>"${ROOT}${SITELISP}"/00site-gentoo.el
394 done 417 done
418
419 # cleanup
420 rm -f "${tmpdir}"/site-{gentoo,start}.el
395} 421}

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