filelist clean-up.
This commit is contained in:
Manuel Canales Esparcia
parent
eddf89f588
commit
f4f7d18fa0
1 changed files with 36 additions and 139 deletions
175
extras/filelist
175
extras/filelist
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@ -1,161 +1,58 @@
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#!/bin/bash
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#
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# filelist - prepare a list of the files in a built system.
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# This is for use in comparing two builds, to answer the
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# question "can it build itself" ? Obviously, it can also be
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# used to compare two partial builds to see what changed.
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#
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# Call this script with the path to the root of the system.
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# If you are running the new system, the path is probably '/'.
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# Alternatively, the system might be mounted at /mnt/lfs, or
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# it might have been copied to ~/build1 or wherever.
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#
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# The output is a single file, filelist-CCYYMMDDhhmm
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# e.g. filelist-200510052108
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# which contains a list of the files to compare.
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# It excludes certain files which are not of interest (/tools,
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# /cross-tools, /home) together with any mounted filesystems.
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#
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# you should run this as a regular user - this will cause files
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# in e.g. /root to be ignored.
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#
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# I like to build a graphical desktop before using a new system
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# to see if it can build itself. Filelist supports this by allowing
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# you to list the files at any time. My normal process is:
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#
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# 1. Build an LFS system as normal.
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# 2. Build some extras before booting (nfs client, ntp, openssh,
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# lynx, dhcp client, etc).
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# 3. Boot the new (first) system, set up users, run filelist.
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# 4. Build X and whatever else I want to use.
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# 5. Build the second system.
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# 6. Build the same extras for the second system.
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# 7. Boot the second system, to prove it works.
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# 8. Reboot to the first system, mount the second system at /mnt/lfs,
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# then run filelist on /mnt/lfs and run the comparison.
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#
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# Copyright (C) 2005, 2006 Ken Moffat <ken@linuxfromscratch.org>
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#
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# All rights reserved.
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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 (at
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# 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, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
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# NON INFRINGEMENT. See the GNU General Public License for more
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# 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, write to the Free Software
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# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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#!/bin/bash#
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#$Id$
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# Acknowledgment:
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# The following code is a modified version of an original work written by
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# Ken Moffat for the "DIY Linux" project and is included here with his
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# permission.
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#
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VERSION="002"
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set -e
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function error() {
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echo "usage:"
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echo " `basename $0` [--whole-build] path name for output file]"
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echo " e.g. '/' or '/mnt/lfs' or 'build1'"
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echo " use --whole-build to compare files from /tools or /cross-tools"
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echo
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echo "Error: $1"
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exit 1
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}
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: <<inline_doc
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desc: creates farce file lists
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usage: filelist $DEST_FARCE/$ITERATION $DEST_FARCE/$ITERATION.filelist
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input vars: $1 directory where files from current iteration are stored
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$2 name of the file list to be created
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externals: --
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modifies: --
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returns: --
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on error:
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on success:
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inline_doc
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# process the argument, if there is one
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# normally, we exclude files in /tools and /cross-tools
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EXCLUDE=true
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case "$1" in
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--whole-build)
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# do NOT exclude cross-tools and tools
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EXCLUDE=
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shift
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;;
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--*)
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error "Bad option $1"
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;;
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esac
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if [ $# -lt 1 ]; then
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error "no argument"
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elif [ $1 = "--version" ]; then
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echo "$0 version $VERSION"
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exit
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elif [ $# -gt 2 ]; then
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error "more than two arguments"
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elif ! [ -d $1 ]; then
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error "not a directory"
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fi
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if [ $# -eq 2 ]; then
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OUTFILE=$2
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if [ -e $2 ]; then
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echo "output $2 already exists"
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exit
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fi
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OUTFILE=$2
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if [ -e $2 ]; then
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echo -e "\nOutput $2 already exists\n"
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exit
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fi
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else
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NOW=`date +%Y%m%d%H%M`
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OUTFILE=~/filelist-${NOW}
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echo -e "\nMissing argument\n"
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exit 2
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fi
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if [ "$1" == "/" ]; then
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LOC=$1
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LOC=$1
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else
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# ensure the path or mountpoint ends with a slash
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# because of the seds after the 'find'
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LOC=`echo $1 | sed 's%[^/]$%&/%'`
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# ensure the path or mountpoint ends with a slash
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# because of the seds after the 'find'
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LOC=`echo $1 | sed 's%[^/]$%&/%'`
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fi
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echo "will create file list in $OUTFILE"
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echo "Will create file list in $OUTFILE"
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if [ -f $OUTFILE ]; then
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echo "refusing to overwrite $OUTFILE"
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exit 1
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echo "refusing to overwrite $OUTFILE"
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exit 1
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fi
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# check we can indeed do this
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>$OUTFILE
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if [ $? -ne 0 ]; then
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echo "error, cannot write to $OUTFILE"
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exit 1
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echo "error, cannot write to $OUTFILE"
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exit 1
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fi
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# Explanation of the find command: we exclude any filesystems mounted below
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# this path (typically, you are looking at '/' so this excludes /proc /sys
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# /dev). We only care about files, not directories.
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# Exclusions - insert whatever we were given at the start of the pathes to
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# exclude - this might mean we have '//' in them, but that shouldn't matter.
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# /tools* /tools and also e.g. /tools.old if you rename an old version
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# /cross-tools* similar, for cross-lfs
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# /home/* - in case /home is not a separate filesystem
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# /sources/* - where the book thinks you should keep sources
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# /tmp/* - we really don't care about any junk left in here
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# /misc/* - where I keep buildscripts and stamps
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# we then sed it so that / or /mnt/lfs/ or whatever are all converted to '/'.
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# At one time, EXCLUDE contained the ! -path strings for cross-tools and tools
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# but htat didn't work, so now it is just a marker to control this logic.
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if [ -z "$EXCLUDE" ]; then
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find $LOC -xdev -xtype f \
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! -path "${LOC}home/*" \
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! -path "${LOC}sources/*" ! -path "${LOC}tmp/*" \
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! -path "${LOC}misc/*" | sed "s%^${LOC}%/%" | sort >$OUTFILE
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else
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find $LOC -xdev -xtype f \
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! -path "${LOC}cross-tools*/*" ! -path "${LOC}tools/*" \
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! -path "${LOC}home/*" \
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! -path "${LOC}sources/*" ! -path "${LOC}tmp/*" \
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! -path "${LOC}misc/*" | sed "s%^${LOC}%/%" | sort >$OUTFILE
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fi
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find $LOC -xdev -xtype f | sed "s%^${LOC}%/%" | sort >$OUTFILE
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exit
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