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#!/bin/bash
# Copyright 2007-2024 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2 or later
# Authors:
# Christian Faulhammer <fauli@gentoo.org>
# Ulrich Müller <ulm@gentoo.org>
VERSION=1.18
EMACS=/usr/bin/emacs
GETOPT=/usr/bin/getopt
SITELISP=/usr/share/emacs/site-lisp
# Default actions
ACTIONS="rebuild"
# Default package manager
PM_COMMAND=pm_auto
PM_EXTRAOPTS=( )
# Other default variable settings
BATCH=
EXACT=
MAJOR=
ORPHANS=
PRETEND=
# Check for NO_COLOR environment variable: https://no-color.org/
COLOUR=${NO_COLOR:+no}
usage() {
sed -e 's/^X//' <<-EOF
Usage: ${0##*/} [OPTION]...
Rebuild Emacs packages that were compiled by a different GNU Emacs
version, or all Emacs packages.
X
X -a, --action=ACTION[,ACTION]...
X specify actions, comma-separated list of:
X rebuild: rebuild packages with elisp files
X byte-compiled by a different Emacs version
X all: rebuild all packages that have
X byte-compiled elisp files
X (default: rebuild)
X -b, --batch batch mode, don't ask any questions
X --color[=MODE], --colour[=MODE]
X control colour output. MODE is yes, no,
X or auto. For 'auto', colour is enabled if
X standard output is to a terminal
X (default: auto)
X -e, --exact match exact versions when remerging packages
X -m, --major use only the major version when comparing
X Emacs version numbers
X -o, --orphans list orphan files (implies '--action all')
X -p, --pretend don't actually emerge packages
X -P, --package-manager=PM
X select a package manager. PM is one out of
X portage, pkgcore, or paludis
X (default: automatically determined)
X --package-manager-command=CMD
X call CMD instead of the default package
X manager command. If CMD includes options,
X the whole command string must be quoted
X -h, --help display this help and exit
X --version output version information and exit
X
X -- OPTION... pass additional options to package manager
EOF
exit $1
}
version() {
cat <<-EOF
Emacs updater version ${VERSION}
Copyright 2007-2024 Gentoo Authors
Distributed under the terms of the GNU GPL version 2 or later.
Gentoo Emacs project: <https://wiki.gentoo.org/wiki/Project:Emacs>
EOF
exit
}
# Wrapper for package manager commands
have_portage() { type -P emerge >/dev/null; }
pm_portage() { emerge --usepkg=n --oneshot "$@"; }
have_pkgcore() { type -P pmerge >/dev/null; }
pm_pkgcore() { pmerge --oneshot "$@"; }
have_paludis() { type -P cave >/dev/null; }
pm_paludis() { cave resolve --execute --preserve-world "$@"; }
pm_auto() {
local pm
# Try environment variable first
case ${PACKAGE_MANAGER} in
portage|pkgcore|paludis) pm=${PACKAGE_MANAGER} ;;
esac
for pm in ${pm} portage pkgcore paludis; do
if have_${pm}; then
PM_COMMAND=pm_${pm}
${PM_COMMAND} "$@"
return
fi
done
failure "No package manager found"
return 1
}
# Read in all command-line options and force English output
OPTIONS=$(LC_ALL=C "${GETOPT}" -o a:behmopP: \
--long action:,batch,color::,colour::,exact,help,major,orphans \
--long pretend,package-manager:,package-manager-command:,version \
-n 'emacs-updater' -- "$@") \
|| usage $?
eval set -- "${OPTIONS}"
while true
do
case $1 in
-h|--help) usage 0 ;;
--version) version ;;
-b|--batch) BATCH="true"; shift ;;
-e|--exact) EXACT="true"; shift ;;
-m|--major) MAJOR="true"; shift ;;
-o|--orphans) ORPHANS="true"; ACTIONS="all"; shift ;;
-p|--pretend) PRETEND="true"; shift ;;
--color|--colour)
case $2 in
yes|y|always|force|"") COLOUR="yes" ;;
no|n|never|none) COLOUR="no" ;;
auto|tty|if-tty) COLOUR="" ;;
*)
echo "Invalid argument for '$1' option"
usage 1
;;
esac
shift 2
;;
-a|--action)
ACTIONS=
for action in ${2/,/ }; do
case ${action} in
rebuild|all)
ACTIONS="${ACTIONS}${ACTIONS:+ }${action}"
;;
sitedir)
echo "Obsolete action '$action' ignored."
;;
*)
echo "Invalid action '$action' given!"
usage 1
;;
esac
done
shift 2
;;
-P|--package-manager)
case $2 in
auto|automatic) PM_COMMAND=pm_auto ;;
portage|pkgcore|paludis)
if ! have_$2; then
echo "Package manager '$2' not found!"
exit 1
fi
PM_COMMAND=pm_$2
;;
*)
echo "Package manager '$2' not known!"
usage 1
;;
esac
shift 2
;;
--package-manager-command) PM_COMMAND=$2; shift 2 ;;
--)
shift
if [[ $# -gt 0 && ${1#-} = "$1" ]]; then
# first parameter after -- should be an option
echo "Non-option parameter '$1' for package manager specified!"
usage 1
fi
PM_EXTRAOPTS=( "$@" )
break
;;
*)
# this should not happen; getopt should return bad status
echo "Invalid option '$1' given!"
usage 1
;;
esac
done
# Set colours based on the --colour option and output redirection status
if [[ -z ${COLOUR} && -t 1 ]] || [[ ${COLOUR} = yes ]]; then
BOLD=$(tput bold)
NORMAL=$(tput sgr0)
RED=$(tput setaf 1)${BOLD}
GREEN=$(tput setaf 2)${BOLD}
YELLOW=$(tput setaf 3)${BOLD}
BLUE=$(tput setaf 4)${BOLD}
MAGENTA=$(tput setaf 5)${BOLD}
CYAN=$(tput setaf 6)${BOLD}
else
BOLD=; NORMAL=; RED=; GREEN=; YELLOW=; BLUE=; MAGENTA=; CYAN=
fi
# Some type of output can be prettified and capsulated in functions
message() {
local OUTPUT="$@"
echo "${GREEN}*${NORMAL}${BOLD} ${OUTPUT}${NORMAL}"
}
warning() {
local OUTPUT="$@"
echo "${YELLOW}*${NORMAL}${BOLD} ${OUTPUT}${NORMAL}"
}
failure() {
local OUTPUT="$@"
echo "${RED}*${NORMAL}${BOLD} ${OUTPUT}${NORMAL}"
}
emacs_version() {
"${EMACS}" -batch -q --no-site-file --eval "(princ emacs-version)"
}
# Get Emacs version from byte-compiled file
bytecomp_version() {
sed -n '/^[^;]/q;s/\.$//;s/.*[Ee]macs version \([0-9].*\)/\1/p' "$1"
}
action_rebuild() {
local active version elc ret
message "Searching for byte-compiled elisp files ..."
active=$(emacs_version)
ret=$?
[[ ${ret} -eq 0 ]] || { failure "Error running Emacs"; exit ${ret}; }
[[ ${active} ]] || { failure "Cannot determine Emacs version"; exit 1; }
# Drop last component (build number) from versions below 26
[[ ${active%%.*} -lt 26 ]] && active=${active%.*}
message "Currently selected GNU Emacs version: ${active}"
for elc in $(find "${ROOT}${SITELISP}" -name "*.elc")
do
version=$(bytecomp_version "${elc}")
ret=$?
[[ ${ret} -eq 0 ]] || { failure "Error running sed"; exit ${ret}; }
version=${version:-unknown}
[[ ${version%%.*} -lt 26 ]] && version=${version%.*}
if [[ -z ${MAJOR} && ${version} != "${active}" ]] \
|| [[ ${version%%.*} != "${active%%.*}" ]] \
|| [[ $1 = all ]]
then
echo "Found ${elc##*/} (compiled by Emacs ${version})"
echo "${elc}" >> "${TMPFILE}"
else
echo "Skipping ${elc##*/} (compiled by Emacs ${version})"
fi
done
echo
}
action_all() {
action_rebuild all
}
cleanup() {
rm -f "${TMPFILE}" "${PKGFILE}"
}
trap cleanup EXIT
set -o pipefail
TMPFILE="$(mktemp ${TMPDIR:-/tmp}/emacs-updater.files.XXXXXX)"
PKGFILE="$(mktemp ${TMPDIR:-/tmp}/emacs-updater.pkgs.XXXXXX)"
for action in ${ACTIONS}; do
action_${action}
done
if [[ ! -s ${TMPFILE} ]]; then
warning "No files to update, quitting."
exit 0
fi
NO_OF_FILES=$(wc -l <"${TMPFILE}")
[[ ${NO_OF_FILES} -eq 1 ]] && s= || s=s
message "Assigning ${NO_OF_FILES} file${s} to packages ..."
if [[ ${ORPHANS} ]]; then
xargs qfile -oCR <"${TMPFILE}" | sort -u >"${PKGFILE}"
elif [[ ${EXACT} ]]; then
xargs qfile -vqCR <"${TMPFILE}" | sort -u | sed 's/^/=/' >"${PKGFILE}"
else
# Get package and slot number, requires >=portage-utils-0.3
xargs qfile -SqCR <"${TMPFILE}" | sort -u >"${PKGFILE}"
fi
ret=$?
[[ ${ret} -eq 0 ]] || { failure "Error running qfile pipeline"; exit ${ret}; }
NO_OF_PACKAGES=$(wc -l <"${PKGFILE}")
[[ ${NO_OF_PACKAGES} -eq 1 ]] && s= || s=s
if [[ ${ORPHANS} ]]; then
message "${NO_OF_PACKAGES} orphan file${s} found:"
else
message "${NO_OF_PACKAGES} package${s} to remerge:"
fi
cat "${PKGFILE}"
if [[ ${PRETEND} || ${ORPHANS} ]]; then
exit 0
fi
echo
if [[ ${NO_OF_PACKAGES} -eq 0 ]]; then
warning "No packages to update, quitting."
exit 0
fi
if [[ ${BATCH} ]]; then
message "Remerging packages ..."
else
echo -n "${BOLD}Remerge packages?${NORMAL} [${GREEN}Yes${NORMAL}/${RED}No${NORMAL}] "
read choice
echo
case ${choice} in
y*|Y*|"") ;;
*) warning "Quitting."; exit 0 ;;
esac
fi
${PM_COMMAND} "${PM_EXTRAOPTS[@]}" $(<"${PKGFILE}")
ret=$?
warning "If a package is being rebuilt over and over again,"
warning "please report it on https://bugs.gentoo.org/"
exit ${ret}
|