| [dc526ea] | 1 | #!/bin/bash
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| 2 |
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| [89a2b70] | 3 | # Acknowledgment:
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| 4 | # The following code is a no-modified version (except for this comment
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| 5 | # and the inline_doc fragment) of an original work written by
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| 6 | # Ken Moffat and is included here with his permission.
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| 7 | #
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| 8 |
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| [dc526ea] | 9 | # FARCE: Farce Assists Rebuild Comparison Evaluation ;)
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| 10 | #
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| 11 | # to answer the question "can it rebuild itself?"
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| 12 | #
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| 13 | # We expect four arguments - first directory path, filelist
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| 14 | # containing the files in this directory which we wish to compare,
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| 15 | # second directory path, filelist for second directory.
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| 16 | #
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| 17 | # Yes, we could just compare everything in each tree, but the
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| 18 | # filelist script knows about files it can reasonably ignore,
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| 19 | # and this also allows us to build a sytem, boot it and get a
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| 20 | # list of files, build a full desktop environment, and only then
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| 21 | # build and boot the "can it build itself" test system and get
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| [89a2b70] | 22 | # _its_ filelist.
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| [dc526ea] | 23 | #
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| 24 | # What this script aims to do:
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| 25 | # ____________________________
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| 26 | #
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| 27 | # First, report files not in both builds.
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| 28 | #
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| 29 | # Then, confirm symlinks point to same targets.
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| 30 | #
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| 31 | # After that, compare individual files -
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| 32 | # if different, run the file name through 'expected'
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| 33 | # to pick out files that are unlikely to match (logs,
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| 34 | # pids, fstab [assumes '/' is a different device each time],
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| 35 | # count these as 'expected'.
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| 36 | #
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| 37 | # For whatever is left, check the file type - ar archives
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| 38 | # have their members extraced and compared (every member has
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| 39 | # a timestamp), gzipped files are compared beyond their
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| 40 | # timestamp, binaries, at least those using shared libs or
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| 41 | # which are shared objects, are copied and subjected to
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| 42 | # --strip-debug. If files match at this stage, count them as
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| [89a2b70] | 43 | # 'accepted'.
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| [dc526ea] | 44 | #
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| 45 | # As a last step for any file that doesn't match, copy it
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| 46 | # through some perl regexps to "process" it (convert any
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| 47 | # date, time, kernel-version information from standard formats
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| 48 | # into tokens, then see if the tokensi match.
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| 49 | #
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| 50 | # For details of the regexps, see the tokenize function.
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| 51 | # Those files that match after this are also counted as
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| 52 | # 'accepted'. Note that I don't always start from the kernel
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| 53 | # version that I'm going to build, so this copes with e.g. perl
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| 54 | # files that hardcode the kernel version.
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| 55 | #
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| 56 | # We now have files that don't match. A few of these seem to be
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| 57 | # common to all builds - some (members of) c++ libraries or ar
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| 58 | # archives, a few programs which perhaps use some sort of c++ code).
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| 59 | # The file name # is passed to the 'failure' function - these
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| 60 | # recognized filenames are labelled as 'predictable FAIL:',
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| 61 | # anything else is labelled as 'unexpected FAIL:'.
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| 62 | #
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| 63 | # output:
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| 64 | # stderr - files only in one of the builds, failure messages,
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| 65 | # and totals.
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| 66 | #
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| 67 | # farce-results - more details, including which files were treated
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| 68 | # as expected differences, files where neither copy could be read,
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| 69 | # files treated as accepted, with the reason (and member for ar
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| 70 | # archives). This data is typically up to 100 characters wide -
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| 71 | # sometimes it's a bit more, but it doesn't wrap too badly in a
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| 72 | # 100 character xterm.
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| 73 | #
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| 74 | # farce-extras - diffs for the files, or members, that didn't
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| 75 | # match. This file is to establish new regexps for picking up
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| 76 | # date/time/kernel-version formats.
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| 77 | #
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| 78 | # farce-identical - the names of the files which are identical
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| [89a2b70] | 79 | #
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| [dc526ea] | 80 | # farce-substitutions - whenever using tokenizeanddiff results in a
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| 81 | # difference being accepted, for both versions diff the before and
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| 82 | # after versions to show what got changed. If the file is a binary,
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| 83 | # the output may still be hard to read. Note that I _know_ glibc
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| 84 | # version strings pass one of the regexps looking for a kernel version
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| 85 | # - since I expect you to use the same version of glibc for each
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| [89a2b70] | 86 | # build, this is not a problem.
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| [dc526ea] | 87 | #
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| 88 | # farce-differ - the names of the files which could not be treated
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| 89 | # as matching (whether or not I regard the failure as predictable)
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| 90 | # for possible input to ICA processing.
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| [89a2b70] | 91 | #
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| [dc526ea] | 92 | # Copyright (C) 2005, 2006 Ken Moffat <ken@linuxfromscratch.org>
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| 93 | #
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| 94 | # All rights reserved.
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| 95 | #
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| 96 | # This program is free software; you can redistribute it and/or modify
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| 97 | # it under the terms of the GNU General Public License as published by
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| 98 | # the Free Software Foundation; either version 2 of the License, or (at
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| 99 | # your option) any later version.
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| 100 | #
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| 101 | # This program is distributed in the hope that it will be useful, but
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| 102 | # WITHOUT ANY WARRANTY; without even the implied warranty of
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| 103 | # MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
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| 104 | # NON INFRINGEMENT. See the GNU General Public License for more
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| 105 | # details.
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| 106 | #
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| 107 | # You should have received a copy of the GNU General Public License
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| 108 | # along with this program; if not, write to the Free Software
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| 109 | # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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| 110 | #
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| 111 |
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| [89a2b70] | 112 | : <<inline_doc
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| 113 | desc: do farce analisys and report
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| 114 | usage: farce -directory $FARCELOGDIR/dir path1 list1 path2 list2
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| 115 | input vars: $1 farce log dir for this comparation
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| 116 | $2 full path to previous iteration
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| [a101844] | 117 | $3 full path to filelist for previos iteration
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| 118 | $4 full path to current iteration
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| 119 | $5 full path to filelist for current iteration
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| [89a2b70] | 120 | externals: --
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| 121 | modifies: --
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| 122 | returns: --
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| 123 | on error:
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| 124 | on success:
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| 125 | inline_doc
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| 126 |
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| 127 |
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| [dc526ea] | 128 | VERSION="002"
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| 129 |
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| 130 | # variables for output files
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| 131 | RESULT=farce-results
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| 132 | EXTRAS=farce-extras
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| 133 | IDENTICAL=farce-identical
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| 134 | SUBS=farce-substitutions
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| 135 | DIFFER=farce-differ
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| 136 |
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| 137 | # documenting the variables
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| 138 | # C1, C2 temp files to hold disassembled code
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| 139 | # D1, D2 temp directories for extracting member of ar archive
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| 140 | # DIFF temp file for diffing the filelists
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| 141 | # F1, F2 temp files for tokenizeanddiff
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| 142 | # FTYPE obsolete, commented out
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| 143 | # M1, M2 temp files to hold members of an ar archive
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| 144 | # MEMBERS temp file to list members of ar archive
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| 145 | # OP1, OP2 the original $PWD, needed when extracting members of ar
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| 146 | # archives
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| 147 | # P1, P2 paths to first and second build
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| 148 | # S1, S2 temp files for shared objects
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| 149 |
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| 150 | # functions
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| 151 | function dohelp() {
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| 152 | echo "`basename $0`: compare trees of files from a build"
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| 153 | echo "and lists of the files they contained"
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| 154 | echo ""
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| 155 | echo "`basename $0` [ -help | -version ] || path1 list1 path2 list2"
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| 156 | }
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| 157 |
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| 158 | function emessage() {
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| 159 | # write a string to both stderr and $RESULT
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| 160 | echo "$@" >&2
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| 161 | echo "$@" >&5
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| 162 | }
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| 163 |
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| 164 | function expected() {
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| 165 | # if we expect it to differ because of its name,
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| 166 | # allow it and report, return true ; else return false
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| 167 | case $1 in
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| 168 | /boot/grub/menu.lst)
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| 169 | # just in case somebody puts this into the main filesystem
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| 170 | true;;
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| 171 | /etc/aliases.db)
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| 172 | # some sort of database for postfix, not parsable
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| 173 | true;;
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| 174 | /etc/blkid.tab)
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| 175 | # includes dev name for rootfs
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| 176 | true;;
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| 177 | /etc/fstab)
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| 178 | # fstab, e.g. ' / ' will differ
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| 179 | true;;
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| 180 | /etc/group*)
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| 181 | true;;
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| 182 | /etc/hosts)
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| 183 | # with dhcp client, I add current ip address to this in a hook
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| 184 | true;;
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| 185 | /etc/ld.so.*)
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| 186 | # .conf and .cache can vary,
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| 187 | # particularly if one system has a full build when I run this
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| 188 | true;;
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| 189 | /etc/lilo.conf|/etc/yaboot.conf)
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| 190 | # bootloader control, I assume grub will all be on a separate
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| 191 | true;;
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| 192 | /etc/mtab)
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| 193 | # at a minimum, different '/'
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| 194 | true;;
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| 195 | /etc/ntp.drift)
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| 196 | true;;
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| 197 | /etc/passwd*)
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| 198 | true;;
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| 199 | /etc/shadow*)
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| 200 | true;;
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| 201 | /etc/ssh/*key|/etc/ssh/*pub)
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| 202 | # openssh keys
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| 203 | true;;
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| 204 | /misc/*)
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| 205 | # where I put buildscripts (which mostly won't change)
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| 206 | # and stamps containing name/time/space which will differ in the times
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| 207 | true;;
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| 208 | /root/*)
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| 209 | # expect .bash_history etc to differ - if we can read them
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| 210 | true;;
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| 211 | /usr/bin/lynx)
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| 212 | # part of my inital builds, I guess this uses anonymous namespaces
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| 213 | true;;
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| 214 | /usr/include/c++/*/*/bits/stdc++.h.gch/*)
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| 215 | # precompiled headers
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| 216 | true;;
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| 217 | /usr/lib*/libstdc++.a|/usr/lib*/libstdc++.so*|/usr/lib*/libsupc++.a)
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| 218 | # probably, anonymous namespaces
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| 219 | # libstdc++.a, libstdc++.so.n.n.n, libsupc++.a
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| 220 | true;;
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| 221 | /usr/share/info/dir)
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| 222 | # if one system has had extra stuff built, this will likely be bigger
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| 223 | true;;
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| 224 | /usr/share/man/whatis)
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| 225 | # if one system has had extra stuff built, this will likely be bigger
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| 226 | true;;
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| 227 | /var/lib/locate/locatedb)
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| [89a2b70] | 228 | # if one system has had extra stuff built, this will likely be bigger
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| [dc526ea] | 229 | true;;
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| 230 | /var/lib/nfs/*)
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| 231 | # allow nfs bookkeeping
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| 232 | true;;
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| 233 | /var/log/*)
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| 234 | true;;
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| 235 | /var/run/utmp)
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| 236 | true;;
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| 237 | /var/spool/fcron*)
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| 238 | true;;
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| 239 | /var/state/*)
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| 240 | # allow dhcp leases
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| 241 | true;;
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| 242 | /var/tmp/random-seed)
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| 243 | true;;
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| 244 | # following start with wildcards
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| 245 | *Image*|*.PPCBoot*|*vmlinuz*|*lfskernel*)
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| 246 | # compressed kernels, sometimes just building at a different
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| 247 | # date/time is enough to change the length of them, because the
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| 248 | # long format date and time is part of the compressed data
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| 249 | true;;
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| 250 | *pid*)
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| 251 | # pids, including e.g. /var/spool/postfix/pid/*
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| 252 | true;;
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| 253 | *)
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| 254 | # nothing else is expected to be different
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| 255 | false;;
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| 256 | esac
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| 257 | if [ $? -eq 0 ]; then
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| 258 | message "expected difference in $1"
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| 259 | let expected=$expected+1
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| 260 | case $TYPE in
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| 261 | AR)
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| 262 | let EXPAR=$EXPAR+1
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| 263 | ;;
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| 264 | ELF)
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| 265 | let EXPELF=$EXPELF+1
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| 266 | ;;
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| 267 | UNK)
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| 268 | let EXPUNK=$EXPUNK+1
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| 269 | ;;
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| 270 | # so far, no other valid types, so don't accumulate them
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| 271 | *)
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| 272 | emessage "internal error, expected difference for $1 of type $TYPE not allowed"
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| 273 | exit 2
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| [89a2b70] | 274 | ;;
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| [dc526ea] | 275 | esac
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| 276 | true
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| 277 | else
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| 278 | false
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| 279 | fi
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| 280 | }
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| 281 |
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| 282 | function failure() {
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| 283 | # first parm is filename or token
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| 284 | # second parm is the error message
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| 285 | # update the appropriate total
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| 286 | # and write to both stderr and the results
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| 287 | # by using emessage
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| 288 |
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| 289 | let different=$different+1
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| 290 | case $TYPE in
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| 291 | AR)
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| 292 | let DIFAR=$DIFAR+1
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| 293 | ;;
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| 294 | ELF)
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| 295 | let DIFELF=$DIFELF+1
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| 296 | ;;
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| 297 | GZ)
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| 298 | let DIFGZ=$DIFGZ+1
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| 299 | ;;
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| 300 | SYM)
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| 301 | let DIFSYM=$DIFSYM+1
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| 302 | ;;
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| 303 | UNK)
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| 304 | let DIFUNK=$DIFUNK+1
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| 305 | ;;
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| 306 | *)
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| 307 | emessage "internal error in failure() for TYPE $TYPE"
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| 308 | exit 2
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| 309 | ;;
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| 310 | esac
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| 311 | test -f ${P1}$1 && echo $1 >&9
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| 312 | emessage "FAIL: $2"
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| 313 | }
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| 314 |
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| 315 | function fatal() {
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| 316 | # unrecoverable error
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| 317 | echo $*
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| 318 | exit 1
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| 319 | }
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| 320 |
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| 321 | function filetype() {
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| 322 | TYPE=`file ${P1}${FILE}`
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| 323 | case $TYPE in
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| 324 | *'current ar archive'*)
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| 325 | let TOTAR=$TOTAR+1
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| 326 | TYPE=AR
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| 327 | ;;
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| 328 | *' ELF '*)
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| 329 | let TOTELF=$TOTELF+1
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| 330 | TYPE=ELF
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| 331 | ;;
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| 332 | *'gzip compressed data'*)
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| 333 | let TOTGZ=$TOTGZ+1
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| 334 | TYPE=GZ
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| 335 | ;;
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| 336 | *)
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| 337 | let TOTUNK=$TOTUNK+1
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| 338 | TYPE=UNK
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| 339 | ;;
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| 340 | esac
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| 341 | }
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| 342 |
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| 343 | function message() {
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| 344 | # write a string to $RESULT
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| 345 | echo $* >&5
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| 346 | }
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| 347 |
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| 348 | function onlyone() {
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| 349 | #report files only in one build
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| 350 | # text should go to both stderr and the results,
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| 351 | # but blank lines only go to the results
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| 352 | if [ $1 == '<' ]; then
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| 353 | emessage "File(s) only in the first build"
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| 354 | else
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| 355 | emessage "File(s) only in the second build"
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| 356 | fi
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| 357 | message ""
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| 358 | FILES=`cat $DIFF | grep "^$1" | cut -d ' ' -f 2`
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| 359 | for F in $FILES; do
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| 360 | emessage $F
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| 361 | let only=$only+1
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| 362 | done
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| 363 | message ""
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| 364 | }
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| 365 |
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| 366 | # 'test' functions are called with three arguments:
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| 367 | # the two pathes and the filename
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| 368 | # - we know the file is of this type, so see if we
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| 369 | # can get it to match by reasonalbe means.
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| 370 | # if not, treat it as different.
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| 371 | #
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| 372 | # NB if pathes are absolute, we need to prefix them
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| 373 | # with the original $PWD to access the .a files
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| [89a2b70] | 374 | #
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| [dc526ea] | 375 | function testar() {
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| 376 | # ar archives include timestamps for the members,
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| 377 | # but diff doesn't show file timestamps unless the data differs
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| 378 | # put out a message to help locate which archive any messages
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| 379 | # about the members refer to.
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| [89a2b70] | 380 |
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| [dc526ea] | 381 | # try just stripping them U1,2 undebuggable
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| 382 | U1=`mktemp` || fatal "cannot create a temporary file"
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| 383 | U2=`mktemp` || fatal "cannot create a temporary file"
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| 384 | cp ${1}${3} $U1
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| 385 | cp ${2}${3} $U2
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| 386 | strip --strip-debug $U1
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| 387 | strip --strip-debug $U2
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| 388 | cmp -s $U1 $U2
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| 389 | rm $U1 $U2
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| 390 | if [ $? -eq 0 ]; then
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| 391 | let accepted=$accepted+1
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| 392 | let ACCAR=$ACCAR+1
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| 393 | message "archive $3 matches after strip --strip-debug"
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| [89a2b70] | 394 | return
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| [dc526ea] | 395 | fi
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| 396 | # rest of this function retained primarily for pathologically bad builds
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| 397 | # put out a message in the log to help identify which archive has issues.
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| 398 | message "examining ar archive $3"
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| 399 | D1=`mktemp -d` || fatal "cannot create a temporary directory"
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| 400 | D2=`mktemp -d` || fatal "cannot create a temporary directory"
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| 401 | cd $D1
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| [89a2b70] | 402 | ar -x ${OP1}${1}${3}
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| [dc526ea] | 403 | cd $D2
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| 404 | ar -x ${OP2}${2}${3}
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| 405 | cd
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| 406 | # diff the members - true means they match
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| 407 | diff -Na $D1 $D2 >/dev/null
|
|---|
| 408 | if [ $? -eq 0 ]; then
|
|---|
| 409 | message "accept: $3 after diffing the members"
|
|---|
| 410 | let accepted=$accepted+1
|
|---|
| 411 | let ACCAR=$ACCAR+1
|
|---|
| 412 | else
|
|---|
| 413 | # process individual members to eliminate date/time/kernel-version
|
|---|
| 414 | # first, check the members are the same
|
|---|
| 415 | M1=`mktemp` || fatal "cannot create a temporary file"
|
|---|
| 416 | M2=`mktemp` || fatal "cannot create a temporary file"
|
|---|
| 417 | cd $D1
|
|---|
| 418 | MEMBERS=
|
|---|
| 419 | for F in *; do
|
|---|
| 420 | MEMBERS="$MEMBERS $F"
|
|---|
| 421 | done
|
|---|
| 422 | cd
|
|---|
| 423 | echo $MEMBERS | sort >$M1
|
|---|
| 424 | cd $D2
|
|---|
| 425 | MEMBERS=
|
|---|
| 426 | for F in *; do
|
|---|
| 427 | MEMBERS="$MEMBERS $F"
|
|---|
| 428 | done
|
|---|
| 429 | cd
|
|---|
| 430 | echo $MEMBERS | sort >$M2
|
|---|
| 431 | cmp -s $M1 $M2
|
|---|
| 432 | if [ $? -ne 0 ]; then
|
|---|
| 433 | # oh dear, different members
|
|---|
| 434 | echo "list of members differs for archive $3" >&6
|
|---|
| 435 | diff $M1 $M2 >&6
|
|---|
| 436 | failure $3 "$3 list of members differs"
|
|---|
| 437 | else
|
|---|
| 438 | # members (names) are same,
|
|---|
| 439 | # process each one
|
|---|
| 440 | STATUS=0
|
|---|
| 441 | for M in $MEMBERS; do
|
|---|
| 442 | #avoid firing up perl on matching members
|
|---|
| 443 | cmp -s $D1/$M $D2/$M
|
|---|
| 444 | if [ $? -ne 0 ]; then
|
|---|
| 445 | tokenizeanddiff $D1/$M $D2/$M $FILE:$M
|
|---|
| 446 | if [ $? -eq 0 ]; then
|
|---|
| 447 | message "member $M matches after processing"
|
|---|
| 448 | else
|
|---|
| 449 | message "member $M DIFFERS after processing"
|
|---|
| 450 | STATUS=1
|
|---|
| 451 | fi
|
|---|
| 452 | fi
|
|---|
| 453 | done
|
|---|
| 454 | if [ $STATUS -eq 0 ]; then
|
|---|
| 455 | let accepted=$accepted+1
|
|---|
| 456 | let ACCAR=$ACCAR+1
|
|---|
| 457 | else
|
|---|
| 458 | let different=$different+1
|
|---|
| 459 | let DIFAR=$DIFAR+1
|
|---|
| 460 | echo $3 >&9
|
|---|
| 461 | emessage "FAIL: in $3"
|
|---|
| 462 | fi
|
|---|
| 463 | fi
|
|---|
| 464 | rm $M1 $M2
|
|---|
| 465 | fi
|
|---|
| 466 | rm -rf $D1 $D2
|
|---|
| 467 | }
|
|---|
| 468 |
|
|---|
| 469 | function testgzip() {
|
|---|
| 470 | # bytes 4,5,6,7 are the timestamp, so ignore these
|
|---|
| 471 | cmp -s -i 8 ${1}${3} ${2}${3}
|
|---|
| 472 | if [ $? -eq 0 ]; then
|
|---|
| 473 | message "accept: $3 after ignoring gzip timestamp"
|
|---|
| 474 | let accepted=$accepted+1
|
|---|
| 475 | let ACCGZ=$ACCGZ+1
|
|---|
| 476 | else
|
|---|
| 477 | failure $3 " $3 even after ignoring gzip timestamp"
|
|---|
| 478 | fi
|
|---|
| 479 | }
|
|---|
| 480 |
|
|---|
| 481 | function testso() {
|
|---|
| 482 | # shared object - first try stripping it
|
|---|
| 483 | # in fact, this now handles ALL ELF files
|
|---|
| 484 | S1=`mktemp` || fatal "cannot create a temporary file"
|
|---|
| 485 | S2=`mktemp` || fatal "cannot create a temporary file"
|
|---|
| 486 | cp ${1}${3} $S1
|
|---|
| 487 | strip --strip-debug $S1
|
|---|
| 488 | cp ${2}${3} $S2
|
|---|
| 489 | strip --strip-debug $S2
|
|---|
| 490 | cmp -s $S1 $S2
|
|---|
| 491 | if [ $? -eq 0 ]; then
|
|---|
| 492 | message "accept: $3 after --strip-debug"
|
|---|
| 493 | let accepted=$accepted+1
|
|---|
| 494 | let ACCELF=$ACCELF+1
|
|---|
| 495 | else
|
|---|
| 496 | tokenizeanddiff $S1 $S2 $3
|
|---|
| 497 | if [ $? -ne 0 ]; then
|
|---|
| 498 | failure $3 " $3 differs after stripping and processing"
|
|---|
| 499 | else
|
|---|
| 500 | message "accept: $3 after --strip-debug and processing"
|
|---|
| 501 | let accepted=$accepted+1
|
|---|
| 502 | let ACCELF=$ACCELF+1
|
|---|
| 503 | fi
|
|---|
| 504 | fi
|
|---|
| 505 | rm $S1 $S2
|
|---|
| 506 | }
|
|---|
| 507 |
|
|---|
| 508 | function tokenize() {
|
|---|
| 509 | # use regexes to replace date/time/kernel-version text
|
|---|
| 510 | # with tokens which may allow files to match even though
|
|---|
| 511 | # they have hardcoded date/time/kernel-version.
|
|---|
| 512 | # arguments are file to process, and where to put it.
|
|---|
| 513 | # these regexes are somewhat long, and the order they
|
|---|
| 514 | # are applied in is important (to stop short ones being
|
|---|
| 515 | # used when a longer version would match).
|
|---|
| 516 | # KV00 linux version date (e.g. as in the kernel itself)
|
|---|
| 517 | # allow 2 or 3 groups of three alphas here - optional smp, with day, mon
|
|---|
| 518 | # KV01 kernel version, including possible cpu details (that is for cdda2wav)
|
|---|
| 519 | # KV02 just the version, in quotes e.g. "2.6.12.6" or '2.6.13', for perl stuff
|
|---|
| 520 | # except that "|' gives me grif, so try a boundary
|
|---|
| 521 | # also, it might need local version on the end, I really want
|
|---|
| 522 | # quote2.\d+.\d+.{0,32}quote - it is the quotes that don't work.
|
|---|
| 523 | # DT00 Day Mon .d+ hh:mm:ss TZN CCYY variations include non-caps and 'mon d'
|
|---|
| 524 | # DT01 Mon .d+ CCYY hh:mm:ss
|
|---|
| 525 | # DT02 hh:mm:ss Mon .d CCYY
|
|---|
| 526 | # DT03 Mon .d CCYY
|
|---|
| 527 | # DT04 Day Mon { ,d}d hh:mm:ss CCYY - for groff example postscript files
|
|---|
| 528 | # (somewhat similar to DT00, but ' d' or ' dd' for day of month and no TZN )
|
|---|
| 529 | # DT05 hh:mm:ss
|
|---|
| 530 | # DT06 ISO date using space as separator
|
|---|
| 531 | # DT07 ISO date using dash as separator
|
|---|
| 532 | # DT08 ISO date using slash as separator
|
|---|
| 533 | # DT09 fullmonth (capitalised), day number, comma, 4-digit year (groff 1.18.1 ps)
|
|---|
| 534 | # DT10 dd, fullmonth (capitalised), 4-digit year (groff 1.18.1 manpages)
|
|---|
| 535 | # DT11 '(xample comma space digit(s) backslash ) in groff memef.ps which is
|
|---|
| 536 | # quite clearly the day of the month when it was compiled, preceded by 'example'
|
|---|
| 537 | # with something weird between the e and the x.
|
|---|
| 538 |
|
|---|
| 539 | if [ $# -ne 2 ]; then
|
|---|
| 540 | fatal "tokenizing called with $# arguments : $*"
|
|---|
| 541 | fi
|
|---|
| 542 |
|
|---|
| 543 | cat $1 | perl -p \
|
|---|
| 544 | -e 's/(L|l)inux.*\d\.\d\.\d+.* \#\d+( [A-Za-z][a-z]{2}){2,3} \d+ \d\d:\d\d:\d\d [A-Za-z]{3} \d{4}\b/%KV00%/g;' \
|
|---|
| 545 | -e 's/(L|l)inux( (\w|_)+)?(-| |_)\d\.\d(\.\d+){1,2}((-|_)?(\w|_)+)?( |\000)*/%KV01%/g;' \
|
|---|
| 546 | -e 's/\W2(\.\d+){2,3}(-|_)?((\w|_)+)?\s*\W/%KV02%/g;' \
|
|---|
| 547 | -e 's/\b([A-Za-z][a-z]{2} ){2}( |\d)?\d \d\d:\d\d:\d\d [A-Za-z]{3} \d{4}\b/%DT00%/g;' \
|
|---|
| 548 | -e 's/\b[A-Z][a-z]{2} ( |\d)\d \d{4} \d\d:\d\d:\d\d\b/%DT01%/g;' \
|
|---|
| 549 | -e 's/\b\d\d:\d\d:\d\d [A-Z][a-z]{2} ( |\d)\d \d{4}\b/%DT02%/g;' \
|
|---|
| 550 | -e 's/\b[A-Z][a-z]{2} ( |\d)\d \d{4}\b/%DT03%/g;' \
|
|---|
| 551 | -e 's/\b([A-Z][a-z]{2} ){2}( |\d)\d \d\d:\d\d:\d\d \d{4}/%DT04%/g;' \
|
|---|
| 552 | -e 's/\b\d\d:\d\d:\d\d\b/%DT05%/g;' \
|
|---|
| 553 | -e 's/\b\d{4} \d\d \d\d\b/%DT06%/g;' \
|
|---|
| 554 | -e 's/\b\d{4}-\d\d-\d\d\b/%DT07%/g;' \
|
|---|
| 555 | -e 's/\b\d{4}\/\d\d\/\d\d\b/%DT08%/g;' \
|
|---|
| 556 | -e 's/\b[A-Z][a-z]{2,} \d{1,2}, \d{4}/%DT09%/g;' \
|
|---|
| 557 | -e 's/\b\d\d [A-Z][a-z]{2,} \d{4}/%DT10%/g;' \
|
|---|
| 558 | -e 's/\(xample, \d{1,2}\\\)/%DT11%/g;' \
|
|---|
| 559 | >$2
|
|---|
| 560 | }
|
|---|
| 561 |
|
|---|
| 562 | function tokenizeanddiff() {
|
|---|
| 563 | # Call tokenize for the inputs, then compare the results
|
|---|
| 564 | # Input arguments are path/filename for old and new versions
|
|---|
| 565 | # third parm is readable name (filename, or archivename:member)
|
|---|
| 566 | # to help understand what is in the extras output.
|
|---|
| 567 | # - sometimes called for files, but other times called for
|
|---|
| 568 | # members of ar archives extracted into temporary directories
|
|---|
| 569 | #message tokenizeanddiff called for $1 $2 $3
|
|---|
| 570 | F1=`mktemp` || fatal "cannot create a temporary file"
|
|---|
| 571 | F2=`mktemp` || fatal "cannot create a temporary file"
|
|---|
| 572 | tokenize $1 $F1
|
|---|
| 573 | tokenize $2 $F2
|
|---|
| 574 |
|
|---|
| [89a2b70] | 575 | # actually, cmp is probably more efficient
|
|---|
| [dc526ea] | 576 | # but for picking up the pieces it will be better to
|
|---|
| 577 | # use diff to see what got through.
|
|---|
| 578 | cmp -s $F1 $F2
|
|---|
| [89a2b70] | 579 | TOKENRESULT=$?
|
|---|
| [dc526ea] | 580 | if [ $TOKENRESULT -ne 0 ]; then
|
|---|
| 581 | echo "failure in $3..." >&6
|
|---|
| 582 | diff -a $F1 $F2 >&6
|
|---|
| 583 | rm $F1 $F2
|
|---|
| 584 | false
|
|---|
| 585 | else
|
|---|
| 586 | # show what we did
|
|---|
| 587 | echo "substitutions for $3" >&8
|
|---|
| 588 | echo "build one" >&8
|
|---|
| 589 | diff -a $1 $F1 >&8
|
|---|
| 590 | echo "build two" >&8
|
|---|
| 591 | diff -a $2 $F2 >&8
|
|---|
| 592 | rm $F1 $F2
|
|---|
| 593 | true
|
|---|
| 594 | fi
|
|---|
| 595 | }
|
|---|
| 596 |
|
|---|
| 597 | function validateargs() {
|
|---|
| 598 | # validate the arguments
|
|---|
| 599 | BAD=0
|
|---|
| 600 | if ! [ -d $1 ]; then
|
|---|
| 601 | echo "Error: first argument is not a directory" >&2
|
|---|
| 602 | let BAD=$BAD+1
|
|---|
| 603 | fi
|
|---|
| 604 | NAME=`basename ${2%%-*}`
|
|---|
| 605 | if [ $NAME != filelist ]; then
|
|---|
| 606 | echo "Error: second argument is not a recognized filelist" >&2
|
|---|
| 607 | let BAD=$BAD+1
|
|---|
| 608 | fi
|
|---|
| 609 | if ! [ -d $3 ]; then
|
|---|
| 610 | echo "Error: third argument is not a directory" >&2
|
|---|
| 611 | let BAD=$BAD+1
|
|---|
| 612 | fi
|
|---|
| 613 | NAME=`basename ${4%%-*}`
|
|---|
| 614 | if [ $NAME != filelist ]; then
|
|---|
| 615 | echo "Error: fourth argument is not a recognized filelist" >&2
|
|---|
| 616 | let BAD=$BAD+1
|
|---|
| 617 | fi
|
|---|
| 618 | for I in $1 $2 $3 $4; do
|
|---|
| 619 | if ! [ -r $I ]; then
|
|---|
| 620 | echo "Error: cannot read $I" >&2
|
|---|
| 621 | let BAD=$BAD+1
|
|---|
| 622 | fi
|
|---|
| 623 | done
|
|---|
| 624 | if [ $1 == $3 ]; then
|
|---|
| 625 | echo "Error: directory pathes are identical" >&2
|
|---|
| 626 | let BAD=$BAD+1
|
|---|
| 627 | fi
|
|---|
| 628 | if [ $2 == $4 ]; then
|
|---|
| 629 | echo "Error: filelist names are identical" >&2
|
|---|
| 630 | let BAD=$BAD+1
|
|---|
| 631 | fi
|
|---|
| 632 | if [ $BAD -eq 0 ]; then
|
|---|
| 633 | ARGS=valid
|
|---|
| 634 | fi
|
|---|
| 635 | }
|
|---|
| 636 |
|
|---|
| 637 | # Mainline
|
|---|
| 638 | ARGS=unproven
|
|---|
| 639 | OUTDIR=
|
|---|
| 640 | if [ $# -eq 1 ]; then
|
|---|
| 641 | case $1 in
|
|---|
| 642 | -version|--version)
|
|---|
| 643 | echo "`basename $0` version $VERSION"
|
|---|
| 644 | exit 0
|
|---|
| 645 | ;;
|
|---|
| 646 | -help|--help)
|
|---|
| 647 | dohelp
|
|---|
| 648 | exit 0
|
|---|
| 649 | ;;
|
|---|
| 650 | esac
|
|---|
| 651 | fi
|
|---|
| 652 | if [ $1 = "--directory" ]; then
|
|---|
| 653 | OUTDIR=$2
|
|---|
| 654 | shift 2
|
|---|
| 655 | grep '/$' $OUTDIR >/dev/null 2>&1 || OUTDIR=`echo $OUTDIR | sed 's%$%/%'`
|
|---|
| 656 | echo "creating directory $OUTDIR"
|
|---|
| 657 | mkdir -p $OUTDIR
|
|---|
| 658 | if [ $? -ne 0 ]; then
|
|---|
| 659 | echo "cannot mkdir $OUTDIR"
|
|---|
| 660 | exit 1
|
|---|
| 661 | fi
|
|---|
| 662 | fi
|
|---|
| 663 | if [ $# -eq 4 ]; then
|
|---|
| 664 | validateargs $*
|
|---|
| 665 | fi
|
|---|
| 666 | if ! [ $ARGS == valid ]; then
|
|---|
| 667 | dohelp
|
|---|
| [89a2b70] | 668 | fatal "`basename $0`: error in arguments"
|
|---|
| [dc526ea] | 669 | fi
|
|---|
| 670 |
|
|---|
| 671 | # ok, we're happy, lets hit these files
|
|---|
| 672 | exec 5>${OUTDIR}$RESULT
|
|---|
| 673 | exec 6>${OUTDIR}$EXTRAS
|
|---|
| 674 | exec 7>${OUTDIR}$IDENTICAL
|
|---|
| 675 | exec 8>${OUTDIR}$SUBS
|
|---|
| 676 | exec 9>${OUTDIR}$DIFFER
|
|---|
| 677 |
|
|---|
| 678 | >${OUTDIR}$RESULT
|
|---|
| 679 | if [ $? -ne 0 ]; then
|
|---|
| 680 | fatal "cannot write to ${OUTDIR}$RESULT"
|
|---|
| 681 | fi
|
|---|
| 682 |
|
|---|
| 683 | emessage "will compare:"
|
|---|
| 684 | emessage " first build at $1 with files listed in $2"
|
|---|
| 685 | emessage "second build at $3 with files listed in $4"
|
|---|
| 686 |
|
|---|
| 687 | let accepted=0
|
|---|
| 688 | let different=0
|
|---|
| 689 | let expected=0
|
|---|
| 690 | let matched=0
|
|---|
| 691 | let only=0
|
|---|
| 692 | let predictable=0
|
|---|
| 693 | let unreadable=0
|
|---|
| 694 | let total=0
|
|---|
| 695 |
|
|---|
| 696 | # break down the accepted
|
|---|
| 697 | let ACCAR=0
|
|---|
| 698 | let ACCELF=0
|
|---|
| 699 | let ACCGZ=0
|
|---|
| 700 | let ACCUNK=0
|
|---|
| 701 |
|
|---|
| 702 | # break down definitely different
|
|---|
| 703 | let DIFAR=0
|
|---|
| 704 | let DIFELF=0
|
|---|
| 705 | let DIFGZ=0
|
|---|
| 706 | let DIFSYM=0
|
|---|
| 707 | let DIFUNK=0
|
|---|
| 708 |
|
|---|
| 709 | # break down the expected differences
|
|---|
| 710 | let EXPAR=0
|
|---|
| 711 | let EXPELF=0
|
|---|
| 712 | let EXPGZ=0
|
|---|
| 713 | let EXPUNK=0
|
|---|
| 714 |
|
|---|
| 715 | # break down the identical files
|
|---|
| 716 | let MATAR=0
|
|---|
| 717 | let MATELF=0
|
|---|
| 718 | let MATGZ=0
|
|---|
| 719 | let MATSYM=0
|
|---|
| 720 | let MATUNK=0
|
|---|
| 721 |
|
|---|
| 722 | # break down how many of each type
|
|---|
| 723 | let TOTAR=0
|
|---|
| 724 | let TOTELF=0
|
|---|
| 725 | let TOTGZ=0
|
|---|
| 726 | let TOTSYM=0
|
|---|
| 727 | let TOTUNK=0
|
|---|
| 728 |
|
|---|
| 729 | # now identify differences between the two trees
|
|---|
| 730 | DIFF=`mktemp` || fatal "cannot create a temporary file"
|
|---|
| 731 | diff $2 $4 >$DIFF
|
|---|
| 732 |
|
|---|
| 733 | for RUN in '<' '>' ; do
|
|---|
| 734 | grep -q "$RUN" $DIFF && onlyone "$RUN"
|
|---|
| 735 | done
|
|---|
| 736 |
|
|---|
| 737 | rm $DIFF
|
|---|
| 738 |
|
|---|
| 739 | # and compare them
|
|---|
| 740 | message "Results of file comparison:"
|
|---|
| 741 | message ""
|
|---|
| 742 |
|
|---|
| 743 | # Strip any trailing slash from the path for tidyness,
|
|---|
| 744 | # because the filenames all start with a slash. Unfortunately,
|
|---|
| 745 | # unfortunately, '/' becomes empty, which breaks subroutines,
|
|---|
| 746 | # so special case it.
|
|---|
| 747 | # also, to process ar archives we need to extract them in temp
|
|---|
| 748 | # directories - that means that after cd'ing we've broken any
|
|---|
| 749 | # relative path, so save original pwd as necessary.
|
|---|
| 750 | P1=`echo $1 | sed 's%/$%%'`
|
|---|
| 751 | echo $1 | grep '^/' >/dev/null
|
|---|
| 752 | if [ $? -ne 0 ]; then
|
|---|
| 753 | # relative path
|
|---|
| 754 | OP1=${PWD}/
|
|---|
| 755 | #echo "setting OP1 to $OP1"
|
|---|
| 756 | else
|
|---|
| 757 | OP1=
|
|---|
| 758 | #echo "$1 is an absolute path"
|
|---|
| 759 | fi
|
|---|
| 760 | test -z "$P1" && P1='/'
|
|---|
| 761 | P2=`echo $3 | sed 's%/$%%'`
|
|---|
| 762 | echo $3 | grep '^/' >/dev/null
|
|---|
| 763 | if [ $? -ne 0 ]; then
|
|---|
| 764 | # relative path
|
|---|
| 765 | OP2=${PWD}/
|
|---|
| 766 | #echo "setting OP2 to $OP2"
|
|---|
| 767 | else
|
|---|
| 768 | OP2=
|
|---|
| 769 | #echo "$3 is an absolute path"
|
|---|
| 770 | fi
|
|---|
| 771 | test -z "$P2" && P2='/'
|
|---|
| 772 |
|
|---|
| 773 | echo "about to read $2"
|
|---|
| 774 | while read FILE ; do
|
|---|
| 775 | #echo "process $FILE"
|
|---|
| 776 | #echo "test existence of ${P2}${FILE}"
|
|---|
| 777 | # confirm it exists in second build
|
|---|
| 778 | # we have already reported files only in one build
|
|---|
| 779 | if [ -f ${P2}"${FILE}" ]; then
|
|---|
| 780 | let total=$total+1
|
|---|
| 781 | # check we can read both of them
|
|---|
| 782 | # or count as unreadable - I used to separate only-one-unreadable,
|
|---|
| 783 | # but if you compre '/' and a _copy_ of /mnt/lfs that assumption
|
|---|
| 784 | # breaks, so be less picky.
|
|---|
| 785 | if ! [ -r "${P1}${FILE}" ] || ! [ -r "${P2}${FILE}" ]; then
|
|---|
| 786 | message "cannot read one or both versions of $FILE"
|
|---|
| 787 | let unreadable=$unreadable+1
|
|---|
| 788 | continue
|
|---|
| 789 | fi
|
|---|
| 790 | if [ -h "${P1}${FILE}" ]; then
|
|---|
| 791 | # for symlink, look at what it points to
|
|---|
| 792 | # exceptionally, do not call filetype
|
|---|
| 793 | TYPE=SYM
|
|---|
| 794 | let TOTSYM=$TOTSYM+1
|
|---|
| 795 | SL1=`ls -l "${P1}${FILE}" | awk '{ print $11 }'`
|
|---|
| 796 | SL2=`ls -l "${P2}${FILE}" | awk '{ print $11 }'`
|
|---|
| 797 | if [ "$SL1" = "$SL2" ]; then
|
|---|
| 798 | echo "symlink $FILE matches for $SL1" >&5
|
|---|
| 799 | let matched=$matched+1
|
|---|
| 800 | let MATSYM=$MATSYM+1
|
|---|
| 801 | else
|
|---|
| 802 | failure TARGET " symlink $FILE points to $SL1 and $SL2"
|
|---|
| 803 | echo $FILE >&9
|
|---|
| 804 | fi
|
|---|
| 805 | else
|
|---|
| 806 | # regular file, start by typing it for accounting,
|
|---|
| 807 | # then compare it
|
|---|
| 808 | filetype ${P1}${FILE}
|
|---|
| 809 | cmp -s "${P1}${FILE}" "${P2}${FILE}"
|
|---|
| 810 | if [ $? -eq 0 ]; then
|
|---|
| 811 | let matched=$matched+1
|
|---|
| 812 | case $TYPE in
|
|---|
| 813 | AR)
|
|---|
| 814 | let MATAR=$MATAR+1
|
|---|
| 815 | ;;
|
|---|
| 816 | ELF)
|
|---|
| 817 | let MATELF=$MATELF+1
|
|---|
| 818 | ;;
|
|---|
| 819 | GZ)
|
|---|
| 820 | let MATGZ=$MATGZ+1
|
|---|
| 821 | ;;
|
|---|
| 822 | UNK)
|
|---|
| 823 | let MATUNK=$MATUNK+1
|
|---|
| 824 | ;;
|
|---|
| 825 | *)
|
|---|
| 826 | echo "unexpected TYPE of $TYPE for $FILE" >&2
|
|---|
| 827 | exit 2
|
|---|
| 828 | ;;
|
|---|
| 829 | esac
|
|---|
| 830 | echo ${FILE} >&7
|
|---|
| 831 | else
|
|---|
| 832 | # seems different, can we do better ?
|
|---|
| 833 | # test if we expect it to differ
|
|---|
| 834 | expected $FILE
|
|---|
| 835 | if [ $? -ne 0 ]; then
|
|---|
| 836 | case $TYPE in
|
|---|
| 837 | GZ)
|
|---|
| 838 | testgzip $P1 $P2 $FILE ;;
|
|---|
| 839 | AR)
|
|---|
| 840 | testar $P1 $P2 $FILE ;;
|
|---|
| 841 | ELF)
|
|---|
| 842 | testso $P1 $P2 $FILE ;;
|
|---|
| 843 | *)
|
|---|
| 844 | # long-stop - strip dates from text files
|
|---|
| 845 | tokenizeanddiff "${P1}${FILE}" "${P2}${FILE}" "$FILE"
|
|---|
| 846 | if [ $? -eq 0 ]; then
|
|---|
| 847 | message "accepted $FILE after processing"
|
|---|
| 848 | let accepted=$accepted+1
|
|---|
| 849 | let ACCUNK=$ACCUNK+1
|
|---|
| 850 | else
|
|---|
| 851 | failure "$FILE" " $FILE is different"
|
|---|
| 852 | fi
|
|---|
| 853 | ;;
|
|---|
| 854 | esac
|
|---|
| 855 | fi
|
|---|
| 856 | fi
|
|---|
| 857 | fi
|
|---|
| 858 | fi
|
|---|
| 859 | done < $2
|
|---|
| 860 |
|
|---|
| 861 | message ""
|
|---|
| 862 | # write totals to stderr as well as the results file
|
|---|
| 863 | emessage "$only files in only one of the builds"
|
|---|
| 864 | emessage "$total files compared, of which"
|
|---|
| 865 | emessage "$unreadable files could not be read, skipped"
|
|---|
| 866 | emessage "$matched files are identical"
|
|---|
| 867 | emessage "$expected files differed as expected"
|
|---|
| 868 | emessage "$accepted files had allowable differences"
|
|---|
| 869 | #emessage "$predictable files differed as they normally do"
|
|---|
| 870 | emessage "$different files differed"
|
|---|
| 871 |
|
|---|
| 872 | # totals of different file types
|
|---|
| 873 | emessage ""
|
|---|
| 874 | emessage "$TOTAR ar archives"
|
|---|
| 875 | emessage " of which $MATAR are identical"
|
|---|
| 876 | emessage " of which $ACCAR are accepted after strip-debug or extracting, diffing, tokenizing"
|
|---|
| 877 | emessage " of which $EXPAR differed as expected"
|
|---|
| 878 | emessage " of which $DIFAR differed"
|
|---|
| 879 | emessage "$TOTELF ELF executables or shared libraries"
|
|---|
| 880 | emessage " of which $MATELF are identical"
|
|---|
| 881 | emessage " of which $ACCELF are accepted after stripping and tokenizing"
|
|---|
| 882 | emessage " of which $EXPELF differed as expected"
|
|---|
| 883 | emessage " of which $DIFELF differed"
|
|---|
| 884 | emessage "$TOTGZ gzipped files"
|
|---|
| 885 | emessage " of which $MATGZ are identical"
|
|---|
| 886 | emessage " of which $ACCGZ are accepted after comparing beyond timestamp"
|
|---|
| 887 | emessage " of which $DIFGZ are different"
|
|---|
| 888 | emessage "$TOTSYM symbolic links"
|
|---|
| 889 | emessage " of which $MATSYM are identical"
|
|---|
| 890 | emessage " of which $DIFSYM have different targets"
|
|---|
| 891 | emessage "$TOTUNK other files"
|
|---|
| 892 | emessage " of which $MATUNK are identical"
|
|---|
| 893 | emessage " of which $ACCUNK are accepted after tokenizing"
|
|---|
| 894 | emessage " of which $EXPUNK differed as expected"
|
|---|
| 895 | emessage " of which $DIFUNK differed"
|
|---|
| 896 |
|
|---|
