Remove pacman-optimize
The people who believe that pacman-optimize is actually doing something useful are the same people who are voting for Trump. Signed-off-by: Allan McRae <allan@archlinux.org>
This commit is contained in:
Allan McRae
parent
3190b87b65
commit
d590a45795
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@ -3,7 +3,6 @@ makepkg-template
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makepkg-wrapper
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pacman-db-upgrade
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pacman-key
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pacman-optimize
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pkgdelta
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repo-add
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repo-elephant
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@ -15,7 +15,6 @@ OURSCRIPTS = \
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makepkg \
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pacman-db-upgrade \
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pacman-key \
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pacman-optimize \
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pkgdelta \
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repo-add
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@ -25,7 +24,6 @@ EXTRA_DIST = \
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makepkg-wrapper.sh.in \
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pacman-db-upgrade.sh.in \
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pacman-key.sh.in \
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pacman-optimize.sh.in \
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pkgdelta.sh.in \
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repo-add.sh.in \
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$(LIBRARY) \
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@ -182,10 +180,6 @@ pacman-key: \
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$(srcdir)/library/output_format.sh \
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$(srcdir)/library/parseopts.sh
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pacman-optimize: \
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$(srcdir)/pacman-optimize.sh.in \
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$(srcdir)/library/output_format.sh
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pkgdelta: \
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$(srcdir)/pkgdelta.sh.in \
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$(srcdir)/library/output_format.sh \
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@ -1,189 +0,0 @@
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#!/bin/bash
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#
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# pacman-optimize
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# @configure_input@
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#
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# Copyright (c) 2006-2016 Pacman Development Team <pacman-dev@archlinux.org>
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# Copyright (c) 2002-2006 by Judd Vinet <jvinet@zeroflux.org>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# gettext initialization
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export TEXTDOMAIN='pacman-scripts'
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export TEXTDOMAINDIR='@localedir@'
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USE_COLOR='y'
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declare -r myver='@PACKAGE_VERSION@'
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eval $(awk '/DBPath/ {print $1$2$3}' @sysconfdir@/pacman.conf)
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dbroot="${DBPath:-@localstatedir@/lib/pacman/}"
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m4_include(library/output_format.sh)
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usage() {
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printf "pacman-optimize (pacman) %s\n\n" "$myver"
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printf -- "$(gettext "Usage: %s [--nocolor] [pacman_db_root]")\n\n" "$0"
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printf -- "$(gettext "\
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pacman-optimize is a little hack that should improve the performance\n\
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of pacman when reading/writing to its filesystem-based database.\n\n")"
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printf -- "$(gettext "\
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Because pacman uses many small files to keep track of packages,\n\
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there is a tendency for these files to become fragmented over time.\n\
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This script attempts to relocate these small files into one\n\
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continuous location on your hard drive. The result is that the hard\n\
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drive should be able to read them faster, since the hard drive head\n\
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does not have to move around the disk as much.\n")"
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}
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version() {
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printf "pacman-optimize (pacman) %s\n" "$myver"
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printf -- "$(gettext "\
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Copyright (c) 2006-2016 Pacman Development Team <pacman-dev@archlinux.org>.\n\
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Copyright (C) 2002-2006 Judd Vinet <jvinet@zeroflux.org>.\n\n\
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This is free software; see the source for copying conditions.\n\
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There is NO WARRANTY, to the extent permitted by law.\n")"
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}
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die() {
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error "$@"
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exit 1
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}
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die_r() {
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rm -f "$lockfile"
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die "$@"
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}
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# PROGRAM START
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# determine whether we have gettext; make it a no-op if we do not
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if ! type gettext &>/dev/null; then
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gettext() {
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echo "$@"
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}
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fi
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if [[ $1 = "-h" || $1 = "--help" ]]; then
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usage
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exit 0
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fi
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if [[ $1 = "-V" || $1 = "--version" ]]; then
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version
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exit 0
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fi
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if [[ $1 = "--nocolor" ]]; then
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USE_COLOR='n'
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shift
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fi
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m4_include(library/term_colors.sh)
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if [[ -n $1 ]]; then
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dbroot="$1"
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fi
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if ! type -p openssl >/dev/null; then
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die "$(gettext "Cannot find the %s binary required for verifying integrity.")" "openssl"
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fi
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if [[ ! -d $dbroot || ! -d $dbroot/local ]]; then
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die "$(gettext "%s does not exist or is not a directory.")" "$dbroot"
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fi
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if [[ ! -w $dbroot ]]; then
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die "$(gettext "You must have correct permissions to optimize the database.")"
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fi
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# strip any trailing slash from our dbroot
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dbroot="${dbroot%/}"
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lockfile="${dbroot}/db.lck"
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localdb="${dbroot}/local"
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# make sure pacman isn't running
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if [[ -f $lockfile ]]; then
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die "$(gettext "Pacman lock file was found. Cannot run while pacman is running.")"
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fi
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# do not let pacman run while we do this
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touch "$lockfile"
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workdir=$(mktemp -d "${TMPDIR:-/tmp}/pacman-optimize.XXXXXXXXXX") ||
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die_r "$(gettext "Cannot create temporary directory for database building.")\n" >&2
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# step 1: sum the old db
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msg "$(gettext "MD5sum'ing the old database...")"
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(cd "$localdb" && find . -type f -print0 | \
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xargs -0 openssl dgst -md5 | sort > "$workdir/pacsums.old")
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# step 2: tar it up
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msg "$(gettext "Tar'ing up %s...")" "$localdb"
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bsdtar -czf "$workdir/pacman-db.tar.gz" -C "$localdb" ./
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if (( $? )); then
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rm -rf "$workdir"
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die_r "$(gettext "Tar'ing up %s failed.")" "$localdb"
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fi
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# step 3: make and sum the new db side-by-side with the old
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msg "$(gettext "Making and MD5sum'ing the new database...")"
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mkdir "$localdb.new"
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bsdtar -xpf "$workdir/pacman-db.tar.gz" -C "$localdb.new"
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if (( $? )); then
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rm -rf "$workdir"
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die_r "$(gettext "Untar'ing %s failed.")" "$localdb"
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fi
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# immediate sync following extraction should get it written continuously on HDD
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msg "$(gettext "Syncing database to disk...")"
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sync
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(cd "$localdb.new" && find . -type f -print0 | \
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xargs -0 openssl dgst -md5 | sort > "$workdir/pacsums.new")
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# step 4: compare the sums
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msg "$(gettext "Checking integrity...")"
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read -ra old_dgst < <(openssl dgst -md5 < "$workdir/pacsums.old")
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read -ra new_dgst < <(openssl dgst -md5 < "$workdir/pacsums.new")
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if [[ ${old_dgst[@]:(-1)} != ${new_dgst[@]:(-1)} ]]; then
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# failed
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# leave our pacman-optimize tmpdir for checking to see what doesn't match up
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rm -rf "$localdb.new"
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die_r "$(gettext "Integrity check FAILED, reverting to old database.")"
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fi
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# step 5: shuffle the newly extracted DB into the proper location
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msg "$(gettext "Rotating database into place...")"
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fail=0
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mv "$localdb" "$localdb.old" || fail=1
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mv "$localdb.new" "$localdb" || fail=1
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chmod $(@MODECMD@ "$localdb.old") "$localdb" || fail=1
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chown $(@OWNERCMD@ "$localdb.old") "$localdb" || fail=1
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if (( fail )); then
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# failure with our directory shuffle
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die_r "$(gettext "New database substitution failed. Check for %s, %s, and %s directories.")" "$localdb" "$localdb.old" "$localdb.new"
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fi
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rm -rf "$localdb.old"
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# remove the lock file and our working directory with sums and tarfile
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rm -f "$lockfile"
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rm -rf "$workdir"
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echo
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msg "$(gettext "Finished. Your pacman database has been optimized.")"
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echo
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exit 0
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# vim: set noet:
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@ -5,7 +5,6 @@ scripts/makepkg.sh.in
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scripts/makepkg-template.pl.in
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scripts/pacman-db-upgrade.sh.in
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scripts/pacman-key.sh.in
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scripts/pacman-optimize.sh.in
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scripts/pkgdelta.sh.in
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scripts/repo-add.sh.in
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scripts/libmakepkg/integrity.sh.in
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