/[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 1.35 2008/02/22 09:28:53 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 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 <opfer@gentoo.org>
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:
198# @FUNCTION: elisp-emacs-version 198# @FUNCTION: elisp-emacs-version
199# @DESCRIPTION: 199# @DESCRIPTION:
200# Output version of currently active Emacs. 200# Output version of currently active Emacs.
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 "$1" "${T}/${sf}" 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}/site-gentoo.d" 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 ${ret} "doins failed"
275} 278}
276 279
277# @FUNCTION: elisp-site-regen 280# @FUNCTION: elisp-site-regen
278# @DESCRIPTION: 281# @DESCRIPTION:
279# Regenerate site-gentoo.el file. The old location for site initialisation 282# Regenerate site-gentoo.el file. The old location for site initialisation
283# when generating the start-up file. 286# when generating the start-up file.
284 287
285elisp-site-regen() { 288elisp-site-regen() {
286 local i sf line obsolete 289 local i sf line obsolete
287 local -a sflist 290 local -a sflist
291 # Work around Paludis borkage: variable T is empty in pkg_postrm
292 local tmpdir=${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 >"${tmpdir}"/site-start.el
293 ;;; site-start.el 303 ;;; site-start.el
294 304
295 ;;; Commentary: 305 ;;; Commentary:
296 ;; This default site startup file is installed by elisp-common.eclass. 306 ;; This default site startup file is installed by elisp-common.eclass.
297 ;; You may replace this file by your own site initialisation, or even 307 ;; You may replace this file by your own site initialisation, or even
328 [ "${sf%/*}" = "${ROOT}${SITELISP}" ] && obsolete=t 338 [ "${sf%/*}" = "${ROOT}${SITELISP}" ] && obsolete=t
329 done 339 done
330 340
331 eval "${old_shopts}" 341 eval "${old_shopts}"
332 342
333 cat <<-EOF >"${T}"/site-gentoo.el 343 cat <<-EOF >"${tmpdir}"/site-gentoo.el
334 ;;; site-gentoo.el --- site initialisation for Gentoo-installed packages 344 ;;; site-gentoo.el --- site initialisation for Gentoo-installed packages
335 345
336 ;;; Commentary: 346 ;;; Commentary:
337 ;; Automatically generated by elisp-common.eclass 347 ;; Automatically generated by elisp-common.eclass
338 ;; DO NOT EDIT THIS FILE 348 ;; DO NOT EDIT THIS FILE
339 349
340 ;;; Code: 350 ;;; Code:
341 EOF 351 EOF
342 cat "${sflist[@]}" </dev/null >>"${T}"/site-gentoo.el 352 cat "${sflist[@]}" </dev/null >>"${tmpdir}"/site-gentoo.el
343 cat <<-EOF >>"${T}"/site-gentoo.el 353 cat <<-EOF >>"${tmpdir}"/site-gentoo.el
344 354
345 (provide 'site-gentoo) 355 (provide 'site-gentoo)
346 356
347 ;; Local Variables: 357 ;; Local Variables:
348 ;; no-byte-compile: t 358 ;; no-byte-compile: t
349 ;; End: 359 ;; End:
350 ;;; site-gentoo.el ends here 360 ;;; site-gentoo.el ends here
351 EOF 361 EOF
352 362
353 if cmp -s "${ROOT}${SITELISP}"/site-gentoo.el "${T}"/site-gentoo.el; then 363 if cmp -s "${ROOT}${SITELISP}"/site-gentoo.el "${tmpdir}"/site-gentoo.el
364 then
354 # This prevents outputting unnecessary text when there 365 # This prevents outputting unnecessary text when there
355 # was actually no change. 366 # was actually no change.
356 # A case is a remerge where we have doubled output. 367 # A case is a remerge where we have doubled output.
357 echo " no changes." 368 echo " no changes."
358 else 369 else
359 mv "${T}"/site-gentoo.el "${ROOT}${SITELISP}"/site-gentoo.el 370 mv "${tmpdir}"/site-gentoo.el "${ROOT}${SITELISP}"/site-gentoo.el
360 [ -f "${T}"/site-start.el ] \ 371 [ -f "${tmpdir}"/site-start.el ] \
361 && [ ! -e "${ROOT}${SITELISP}"/site-start.el ] \ 372 && [ ! -e "${ROOT}${SITELISP}"/site-start.el ] \
362 && mv "${T}"/site-start.el "${ROOT}${SITELISP}"/site-start.el 373 && mv "${tmpdir}"/site-start.el "${ROOT}${SITELISP}"/site-start.el
363 echo; einfo 374 echo; einfo
364 for sf in "${sflist[@]##*/}"; do 375 for sf in "${sflist[@]##*/}"; do
365 einfo " Adding ${sf} ..." 376 einfo " Adding ${sf} ..."
366 done 377 done
367 einfo "Regenerated ${SITELISP}/site-gentoo.el." 378 einfo "Regenerated ${SITELISP}/site-gentoo.el."
386 echo 397 echo
387 398
388 if [ "${obsolete}" ]; then 399 if [ "${obsolete}" ]; then
389 while read line; do ewarn "${line}"; done <<-EOF 400 while read line; do ewarn "${line}"; done <<-EOF
390 Site-initialisation files of Emacs packages are now installed in 401 Site-initialisation files of Emacs packages are now installed in
391 /usr/share/emacs/site-lisp/site-gentoo.d/. You may consider using 402 /usr/share/emacs/site-lisp/site-gentoo.d/. We strongly recommend
392 /usr/sbin/emacs-updater to rebuild the installed Emacs packages. 403 that you use /usr/sbin/emacs-updater to rebuild the installed
393 However, the old location is still supported. 404 Emacs packages.
394 EOF 405 EOF
395 echo 406 echo
396 fi 407 fi
397 fi 408 fi
398 409
402 # visible to old eclass versions. 413 # visible to old eclass versions.
403 for sf in "${sflist[@]}"; do 414 for sf in "${sflist[@]}"; do
404 [ "${sf%/*}" = "${ROOT}${SITELISP}/site-gentoo.d" ] \ 415 [ "${sf%/*}" = "${ROOT}${SITELISP}/site-gentoo.d" ] \
405 && cat "${sf}" >>"${ROOT}${SITELISP}"/00site-gentoo.el 416 && cat "${sf}" >>"${ROOT}${SITELISP}"/00site-gentoo.el
406 done 417 done
418
419 # cleanup
420 rm -f "${tmpdir}"/site-{gentoo,start}.el
407} 421}

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