[pacman-dev] [PATCH] bacman - regenerate package from system
Carlo Bersani
carlocci at gmail.com
Tue Jun 3 13:25:15 EDT 2008
Il Saturday 31 May 2008 15:23:54 Allan McRae ha scritto:
> Original work by Carlo "carlocci" Bersani with additions by
> Xavier Chantry and Allan McRae
>
> This script rebuilds an already installed package using metadata
> stored into the pacman database and system files. Replaces the
> outdated re-pacman script
>
> Signed-off-by: Allan McRae <mcrae_allan at hotmail.com>
Hello,
I finally had a while to fix the permissions issue and to include fakeroot
support.
This is the patch to the commit Allan made
-------------------------------------BEGIN-------------------------------------
--- gitbacman 2008-06-03 19:02:14.000000000 +0200
+++ bacman 2008-06-03 19:16:04.000000000 +0200
@@ -5,7 +5,7 @@
# 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
@@ -15,7 +15,7 @@
# 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/>.
#
@@ -24,6 +24,15 @@
readonly progver="0.1.2"
#
+# Fakeroot
+#
+if [ -f /usr/bin/fakeroot -a $EUID -gt 0 ] ; then
+ echo "Entering fakeroot environment"
+ /usr/bin/fakeroot -u -- $progname $1
+ exit $?
+fi
+
+#
# User Friendliness
#
function usage(){
@@ -116,10 +125,9 @@
case $current in
%FILES%)
ret=0
- if [ -d "/$i" ]; then
- mkdir "$i" || ret=$?
- elif [ -f "/$i" ]; then
- cp -dp "/$i" "$i" || ret=$?
+ if [ -e "/$i" ]; then
+ bsdtar -cnf - "/$i" 2> /dev/null | bsdtar -xpf -
+ ret=${PIPESTATUS[0]}
else
echo "/$i" is missing: this might result in a broken package
fi
@@ -208,7 +216,7 @@
# files
%BACKUP%)
# strip the md5sum after the tab
- echo "backup = ${i%% *}" >> .PKGINFO
+ echo "backup = ${i%%$'\t'*}" >> .PKGINFO
;;
# depends
@@ -228,6 +236,12 @@
done
#
+# 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...
@@ -247,3 +261,4 @@
exit 0
# vim: set ts=2 sw=2 noet:
+
-------------------------------------END-------------------------------------
And of course the complete script:
-------------------------------------BEGIN-------------------------------------
#!/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/>.
#
readonly progname="bacman"
readonly progver="0.1.2"
#
# Fakeroot
#
if [ -f /usr/bin/fakeroot -a $EUID -gt 0 ] ; then
echo "Entering fakeroot environment"
/usr/bin/fakeroot -u -- $progname $1
exit $?
fi
#
# User Friendliness
#
function 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 [ $# -ne 1 ] ; then
usage
exit 1
fi
if [ "$1" = "--help" -o "$1" = "-h" ] ; then
usage
exit 0
fi
if [ "$1" = "--version" -o "$1" = "-v" ]; then
echo "$progname version $version"
echo "Copyright (C) 2008 locci"
exit 0
fi
#
# Setting environmental variables
#
if [ ! -r /etc/pacman.conf ]; then
echo Error: unable to read /etc/pacman.conf
exit 1
fi
eval $(awk '/DBPath/ {print $1$2$3}' /etc/pacman.conf)
pac_db="${DBPath:-/var/lib/pacman/}/local"
if [ ! -r /etc/makepkg.conf ]; then
echo Error: unable to read /etc/makepkg.conf
exit 1
fi
source "/etc/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="$1"
pkg_dir="$(echo $pac_db/$pkg_name-[0-9]*)"
pkg_namver="${pkg_dir##*/}"
#
# Checks everything is in place
#
if [ ! -d "$pac_db" ] ; then
echo Error: pacman database directory ${pac_db} not found
exit 1
fi
if [ ! -d "$pkg_dir" ] ; then
echo Error: package ${pkg_name} not found in pacman database
exit 1
fi
#
# Begin
#
echo Package: ${pkg_namver}
work_dir=$(mktemp -d -p /tmp)
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 - "/$i" 2> /dev/null | bsdtar -xpf -
ret=${PIPESTATUS[0]}
else
echo "/$i" is missing: this might result in a broken package
fi
if [ $ret -ne 0 ]; then
echo Error: unable to create /$i
exit 1
fi
;;
esac
done
ret=$?
if [ $ret -ne 0 ]; then
rm -rf $work_dir
exit 1
fi
pkg_size=$(du -sk | awk '{print $1 * 1024}')
if [ -f "$pkg_dir/install" ] ; then
cp "$pkg_dir/install" "$work_dir/.INSTALL"
fi
if [ -f $pkg_dir/changelog ] ; then
cp "$pkg_dir/changelog" "$work_dir/.CHANGELOG"
fi
#
# .PKGINFO stuff
#
echo Generating .PKGINFO metadata...
echo "# Generated by $progname $progver" > .PKGINFO
echo "# $(LC_ALL=C date)" >> .PKGINFO
echo "#" >> .PKGINFO
cat "$pkg_dir"/{desc,files,depends} |
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
;;
%FORCE%)
echo "force = true" >> .PKGINFO
;;
# files
%BACKUP%)
# strip the md5sum after the tab
echo "backup = ${i%%$'\t'*}" >> .PKGINFO
;;
# depends
%DEPENDS%)
echo "depend = $i" >> .PKGINFO
;;
%OPTDEPENDS%)
echo "optdepend = $i" >> .PKGINFO
;;
%CONFLICTS%)
echo "conflict = $i" >> .PKGINFO
;;
%PROVIDES%)
echo "provides = $i" >> .PKGINFO
;;
esac
done
#
# Fixes owner:group and permissions for .PKGINFO, .CHANGELOG, .INSTALL
#
chown root:root $work_dir/{.PKGINFO,.CHANGELOG,.INSTALL} 2> /dev/null
chmod 644 $work_dir/{.PKGINFO,.CHANGELOG,.INSTALL} 2> /dev/null
#
# Generate the package
#
echo Generating the package...
ret=0
bsdtar -czf "$pkg_dest/$pkg_namver-$pkg_arch.tar.gz" $(ls -A) || ret=$?
if [ $ret -ne 0 ]; then
echo Error: unable to write package to $pkg_dest
echo Maybe the disk is full or you do not have write access
exit 1
fi
rm -rf $work_dir
echo Done
exit 0
# vim: set ts=2 sw=2 noet:
-------------------------------------END-------------------------------------
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