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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 1.59 2009/04/08 10:47:42 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 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 ${ret} "elisp-site-file-install: doins failed"
298} 274}
299 275
300# @FUNCTION: elisp-site-regen 276# @FUNCTION: elisp-site-regen
301# @DESCRIPTION: 277# @DESCRIPTION:
302# Regenerate site-gentoo.el file. The old location for site initialisation 278# Regenerate the site-gentoo.el file, based on packages' site
303# files of packages was /usr/share/emacs/site-lisp/. In December 2007 this 279# initialisation files in the /usr/share/emacs/site-lisp/site-gentoo.d/
304# has been changed to /usr/share/emacs/site-lisp/site-gentoo.d/. Remerge of 280# directory.
305# packages with Emacs support is enough, the old location is still supported 281#
306# when generating the start-up file. 282# Note: Before December 2007, site initialisation files were installed
283# in /usr/share/emacs/site-lisp/. For backwards compatibility, this
284# location is still supported when generating site-gentoo.el.
307 285
308elisp-site-regen() { 286elisp-site-regen() {
309 local i sf line obsolete 287 local i sf line firstrun obsolete
310 local -a sflist 288 local -a sflist
311 # Work around Paludis borkage: variable T is empty in pkg_postrm
312 local tmpdir=${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 ${SITELISP} does not exist"
316 return 1 292 return 1
317 fi 293 fi
318 294
295 if [ ! -d "${T}" ]; then
296 eerror "elisp-site-regen: Temporary directory ${T} does not exist"
297 return 1
298 fi
299
319 if [ ! -e "${ROOT}${SITELISP}"/site-gentoo.el ] \ 300 [ -e "${ROOT}${SITELISP}"/site-gentoo.el ] \
301 || [ "${PN}" = emacs-common-gentoo ] || firstrun=t
302
320 && [ ! -e "${ROOT}${SITELISP}"/site-start.el ]; then 303 if [ "${firstrun}" ] && [ ! -e "${ROOT}${SITELISP}"/site-start.el ]; then
321 einfo "Creating default ${SITELISP}/site-start.el ..." 304 einfo "Creating default site-start.el ..."
322 cat <<-EOF >"${tmpdir}"/site-start.el 305 cat <<-EOF >"${T}"/site-start.el
323 ;;; site-start.el 306 ;;; site-start.el
324 307
325 ;;; Commentary: 308 ;;; Commentary:
326 ;; This default site startup file is installed by elisp-common.eclass. 309 ;; This default site startup file is installed by elisp-common.eclass.
327 ;; You may replace this file by your own site initialisation, or even 310 ;; You may replace this file by your own site initialisation, or even
333 316
334 ;;; site-start.el ends here 317 ;;; site-start.el ends here
335 EOF 318 EOF
336 fi 319 fi
337 320
338 einfon "Regenerating ${SITELISP}/site-gentoo.el ..." 321 einfon "Regenerating site-gentoo.el (${EBUILD_PHASE}) ..."
339 322
340 # remove any auxiliary file (from previous run) 323 # Until January 2009, elisp-common.eclass sometimes created an
324 # auxiliary file for backwards compatibility. Remove any such file.
341 rm -f "${ROOT}${SITELISP}"/00site-gentoo.el 325 rm -f "${ROOT}${SITELISP}"/00site-gentoo.el
342 326
343 # set nullglob option, there may be a directory without matching files 327 # set nullglob option, there may be a directory without matching files
344 local old_shopts=$(shopt -p nullglob) 328 local old_shopts=$(shopt -p nullglob)
345 shopt -s nullglob 329 shopt -s nullglob
358 [ "${sf%/*}" = "${ROOT}${SITELISP}" ] && obsolete=t 342 [ "${sf%/*}" = "${ROOT}${SITELISP}" ] && obsolete=t
359 done 343 done
360 344
361 eval "${old_shopts}" 345 eval "${old_shopts}"
362 346
363 cat <<-EOF >"${tmpdir}"/site-gentoo.el 347 cat <<-EOF >"${T}"/site-gentoo.el
364 ;;; site-gentoo.el --- site initialisation for Gentoo-installed packages 348 ;;; site-gentoo.el --- site initialisation for Gentoo-installed packages
365 349
366 ;;; Commentary: 350 ;;; Commentary:
367 ;; Automatically generated by elisp-common.eclass 351 ;; Automatically generated by elisp-common.eclass
368 ;; DO NOT EDIT THIS FILE 352 ;; DO NOT EDIT THIS FILE
369 353
370 ;;; Code: 354 ;;; Code:
371 EOF 355 EOF
356 # Use sed instead of cat here, since files may miss a trailing newline.
372 cat "${sflist[@]}" </dev/null >>"${tmpdir}"/site-gentoo.el 357 sed '$q' "${sflist[@]}" </dev/null >>"${T}"/site-gentoo.el
373 cat <<-EOF >>"${tmpdir}"/site-gentoo.el 358 cat <<-EOF >>"${T}"/site-gentoo.el
374 359
375 (provide 'site-gentoo) 360 (provide 'site-gentoo)
376 361
377 ;; Local Variables: 362 ;; Local Variables:
378 ;; no-byte-compile: t 363 ;; no-byte-compile: t
379 ;; End: 364 ;; End:
380 ;;; site-gentoo.el ends here 365 ;;; site-gentoo.el ends here
381 EOF 366 EOF
382 367
383 if cmp -s "${ROOT}${SITELISP}"/site-gentoo.el "${tmpdir}"/site-gentoo.el 368 if cmp -s "${ROOT}${SITELISP}"/site-gentoo.el "${T}"/site-gentoo.el
384 then 369 then
385 # This prevents outputting unnecessary text when there 370 # This prevents outputting unnecessary text when there
386 # was actually no change. 371 # was actually no change.
387 # A case is a remerge where we have doubled output. 372 # A case is a remerge where we have doubled output.
388 echo " no changes." 373 echo " no changes."
389 else 374 else
390 mv "${tmpdir}"/site-gentoo.el "${ROOT}${SITELISP}"/site-gentoo.el 375 mv "${T}"/site-gentoo.el "${ROOT}${SITELISP}"/site-gentoo.el
391 [ -f "${tmpdir}"/site-start.el ] \ 376 [ -f "${T}"/site-start.el ] \
392 && [ ! -e "${ROOT}${SITELISP}"/site-start.el ] \ 377 && [ ! -e "${ROOT}${SITELISP}"/site-start.el ] \
393 && mv "${tmpdir}"/site-start.el "${ROOT}${SITELISP}"/site-start.el 378 && mv "${T}"/site-start.el "${ROOT}${SITELISP}"/site-start.el
394 echo; einfo 379 echo
395 for sf in "${sflist[@]##*/}"; do 380 einfo "... ${#sflist[@]} site initialisation file(s) included."
396 einfo " Adding ${sf} ..." 381 fi
397 done
398 einfo "Regenerated ${SITELISP}/site-gentoo.el."
399 382
383 if [ "${firstrun}" ]; then
400 echo 384 echo
401 while read line; do einfo "${line:- }"; done <<-EOF 385 while read line; do einfo "${line:- }"; done <<-EOF
402 All site initialisation for Gentoo-installed packages is added to 386 All site initialisation for Gentoo-installed packages is added to
403 /usr/share/emacs/site-lisp/site-gentoo.el; site-start.el is not 387 /usr/share/emacs/site-lisp/site-gentoo.el; site-start.el is not
404 managed by Gentoo. You are responsible for all maintenance of 388 managed by Gentoo. You are responsible for all maintenance of
416 EOF 400 EOF
417 echo 401 echo
418 fi 402 fi
419 403
420 if [ "${obsolete}" ]; then 404 if [ "${obsolete}" ]; then
405 echo
421 while read line; do ewarn "${line}"; done <<-EOF 406 while read line; do ewarn "${line}"; done <<-EOF
422 Site-initialisation files of Emacs packages are now installed in 407 Site-initialisation files of Emacs packages are now installed in
423 /usr/share/emacs/site-lisp/site-gentoo.d/. We strongly recommend 408 /usr/share/emacs/site-lisp/site-gentoo.d/. We strongly recommend
424 that you use /usr/sbin/emacs-updater to rebuild the installed 409 that you use app-admin/emacs-updater to rebuild the installed
425 Emacs packages. 410 Emacs packages.
426 EOF 411 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}${SITELISP}"/00site-gentoo.el
436 done
437 fi 412 fi
438 413
439 # cleanup 414 # cleanup
440 rm -f "${tmpdir}"/site-{gentoo,start}.el 415 rm -f "${T}"/site-{gentoo,start}.el
441 416
442 return 0 417 return 0
443} 418}

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