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mirror of https://github.com/moparisthebest/pacman synced 2024-11-13 12:55:08 -05:00
pacman/contrib/bacman.in
lolilolicon d6e3446e70 bacman: pkgrel does not have to be an integer
pkgrel, as with pkgver, simply mustn't contain hyphens.

Signed-off-by: lolilolicon <lolilolicon@gmail.com>
Signed-off-by: Dan McGee <dan@archlinux.org>
2011-10-21 12:31:24 -05:00

307 lines
6.5 KiB
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Executable File

#!/bin/bash
#
# bacman: recreate a package from a running system
# This script rebuilds an already installed package using metadata
# stored into the pacman database and system files
#
# (c) 2008 - locci <carlocci_at_gmail_dot_com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
shopt -s extglob
shopt -s nullglob
readonly progname="bacman"
readonly progver="0.2.1"
#
# User Friendliness
#
usage() {
echo "This program recreates a package using pacman's db and system files"
echo "Usage: $progname <installed package name>"
echo "Example: $progname kernel26"
}
if (( $# != 1 )); then
usage
exit 1
fi
if [[ $1 == "--help" || $1 == "-h" ]]; then
usage
exit 0
fi
if [[ $1 == "--version" || $1 == "-v" ]]; then
echo "$progname version $progver"
echo "Copyright (C) 2008 locci"
exit 0
fi
#
# Fakeroot support
#
if (( EUID )); then
if [[ -f /usr/bin/fakeroot ]]; then
echo "Entering fakeroot environment"
export INFAKEROOT="1"
/usr/bin/fakeroot -u -- "$0" "$@"
exit $?
else
echo "WARNING: installing fakeroot or running ${progname} as root is required to"
echo " preserve the ownership permissions of files in some packages"
echo ""
fi
fi
#
# Setting environmental variables
#
if [[ ! -r @sysconfdir@/pacman.conf ]]; then
echo "ERROR: unable to read @sysconfdir@/pacman.conf"
exit 1
fi
eval $(awk '/DBPath/ {print $1$2$3}' @sysconfdir@/pacman.conf)
pac_db="${DBPath:-@localstatedir@/lib/pacman/}/local"
if [[ ! -r @sysconfdir@/makepkg.conf ]]; then
echo "ERROR: unable to read @sysconfdir@/makepkg.conf"
exit 1
fi
source "@sysconfdir@/makepkg.conf"
if [[ -r ~/.makepkg.conf ]]; then
source ~/.makepkg.conf
fi
pkg_arch=${CARCH:-'unknown'}
pkg_dest="${PKGDEST:-$PWD}"
pkg_pkger=${PACKAGER:-'Unknown Packager'}
pkg_name="$1"
pkg_dir=("$pac_db/$pkg_name"-+([^-])-+([^-]))
pkg_namver=("${pkg_dir[@]##*/}")
#
# Checks everything is in place
#
if [[ ! -d $pac_db ]]; then
echo "ERROR: pacman database directory ${pac_db} not found"
exit 1
fi
if (( ${#pkg_dir[@]} != 1 )); then
printf "ERROR: %d entries for package %s found in pacman database\n" \
${#pkg_dir[@]} "${pkg_name}"
printf "%s\n" "${pkg_dir[@]}"
exit 1
fi
if [[ ! -d $pkg_dir ]]; then
printf "ERROR: package %s is found in pacman database,\n" "${pkg_name}"
printf " but \`%s' is not a directory\n" "${pkg_dir}"
exit 1
fi
#
# Begin
#
echo "Package: ${pkg_namver}"
work_dir=$(mktemp -d --tmpdir bacman.XXXXXXXXXX)
cd "$work_dir" || exit 1
#
# File copying
#
echo "Copying package files..."
cat "$pkg_dir"/files |
while read i; do
if [[ -z $i ]]; then
continue
fi
if [[ $i == %+([A-Z])% ]]; then
current=$i
continue
fi
case "$current" in
%FILES%)
ret=0
if [[ -e /$i ]]; then
bsdtar -cnf - "/$i" 2> /dev/null | bsdtar -xpf -
# Workaround to bsdtar not reporting a missing file as an error
if ! [[ -e $work_dir/$i || -L $work_dir/$i ]]; then
echo ""
echo "ERROR: unable to add /$i to the package"
echo " If your user does not have permssion to read this file then"
echo " you will need to run $progname as root"
rm -rf "$work_dir"
exit 1
fi
else
echo ""
echo "WARNING: package file /$i is missing"
echo ""
fi
;;
esac
done
ret=$?
if (( ret )); then
rm -rf "$work_dir"
exit 1
fi
pkg_size=$(du -sk | awk '{print $1 * 1024}')
#
# .PKGINFO stuff
# TODO adopt makepkg's write_pkginfo() into this or scripts/library
#
echo Generating .PKGINFO metadata...
echo "# Generated by $progname $progver" > .PKGINFO
if [[ $INFAKEROOT == "1" ]]; then
echo "# Using $(fakeroot -v)" >> .PKGINFO
fi
echo "# $(LC_ALL=C date)" >> .PKGINFO
echo "#" >> .PKGINFO
cat "$pkg_dir"/{desc,files} |
while read i; do
if [[ -z $i ]]; then
continue;
fi
if [[ $i == %+([A-Z])% ]]; then
current=$i
continue
fi
case "$current" in
# desc
%NAME%)
echo "pkgname = $i" >> .PKGINFO
;;
%VERSION%)
echo "pkgver = $i" >> .PKGINFO
;;
%DESC%)
echo "pkgdesc = $i" >> .PKGINFO
;;
%URL%)
echo "url = $i" >> .PKGINFO
;;
%LICENSE%)
echo "license = $i" >> .PKGINFO
;;
%ARCH%)
echo "arch = $i" >> .PKGINFO
;;
%BUILDDATE%)
echo "builddate = $(date -u "+%s")" >> .PKGINFO
;;
%PACKAGER%)
echo "packager = $pkg_pkger" >> .PKGINFO
;;
%SIZE%)
echo "size = $pkg_size" >> .PKGINFO
;;
%GROUPS%)
echo "group = $i" >> .PKGINFO
;;
%REPLACES%)
echo "replaces = $i" >> .PKGINFO
;;
%DEPENDS%)
echo "depend = $i" >> .PKGINFO
;;
%OPTDEPENDS%)
echo "optdepend = $i" >> .PKGINFO
;;
%CONFLICTS%)
echo "conflict = $i" >> .PKGINFO
;;
%PROVIDES%)
echo "provides = $i" >> .PKGINFO
;;
# files
%BACKUP%)
# strip the md5sum after the tab
echo "backup = ${i%%$'\t'*}" >> .PKGINFO
;;
esac
done
comp_files=".PKGINFO"
if [[ -f $pkg_dir/install ]]; then
cp "$pkg_dir/install" "$work_dir/.INSTALL"
comp_files+=" .INSTALL"
fi
if [[ -f $pkg_dir/changelog ]]; then
cp "$pkg_dir/changelog" "$work_dir/.CHANGELOG"
comp_files+=" .CHANGELOG"
fi
#
# Fixes owner:group and permissions for .PKGINFO, .CHANGELOG, .INSTALL
#
chown root:root "$work_dir"/{.PKGINFO,.CHANGELOG,.INSTALL} 2> /dev/null
chmod 644 "$work_dir"/{.PKGINFO,.CHANGELOG,.INSTALL} 2> /dev/null
#
# Generate the package
#
echo "Generating the package..."
pkg_file="$pkg_dest/$pkg_namver-$pkg_arch${PKGEXT}"
ret=0
# TODO: Maybe this can be set globally for robustness
shopt -s -o pipefail
bsdtar -cf - $comp_files * |
case "$PKGEXT" in
*tar.gz) gzip -c -f -n ;;
*tar.bz2) bzip2 -c -f ;;
*tar.xz) xz -c -z - ;;
*tar.Z) compress -c -f ;;
*tar) cat ;;
*) echo "WARNING: '%s' is not a valid archive extension." \
"$PKGEXT" >&2; cat ;;
esac > "${pkg_file}"; ret=$?
if (( ret )); then
echo "ERROR: unable to write package to $pkg_dest"
echo " Maybe the disk is full or you do not have write access"
rm -rf "$work_dir"
exit 1
fi
rm -rf "$work_dir"
echo Done
exit 0
# vim: set ts=2 sw=2 noet: