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* extfs/patchfs: Rewritten is Perl. File size is now displayed

properly.
Этот коммит содержится в:
Pavel Roskin 2002-12-09 20:16:34 +00:00
родитель 926d54ad68
Коммит 0b357d16a3
2 изменённых файлов: 138 добавлений и 62 удалений

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@ -1,3 +1,8 @@
2002-12-09 Adam Byrtek <alpha@debian.org>
* extfs/patchfs: Rewritten is Perl. File size is now displayed
properly.
2002-12-09 Pavel Roskin <proski@gnu.org>
* extfs/ftplist.in: Remove, it's obsoleted by the hotlist.

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@ -1,80 +1,151 @@
#! /bin/sh
#! /usr/bin/perl -w
#
# Written by Adam Byrtek <alpha@debian.org>, 2002
#
# extfs to handle patches in unified diff format
# Peter Daum <gator@cs.tu-berlin.de> (Jan 1998, mc-4.1.22)
use bytes;
use strict;
use POSIX;
# override any locale for dates. But LANG override LC_TIME (at least in glibc)
# unset LC_ALL
# LC_TIME=C
# export LC_TIME
LC_ALL=C
export LC_ALL
# standard binaries
my $bzcat = "bzip2 -dc";
my $gzcat = "zcat";
my $file = "file";
# paths to used programs:
ncat=cat # regular cat
zcat=zcat # gunzip to stdout
bzcat="bzip2 -dc" # bunzip2 to stdout
file=file # "file" command
sed=sed
# date parsing requires Date::Parse from TimeDate module
my $parsedates = eval "require Date::Parse";
filelist=FILELIST # names for "special" files
patchfs_list ()
sub timef
{
date=`date +"%b %d %H:%M"`
perm="-r--r--r--"
uid=00000000
gid=00000000
size=00000000
nlink=" 1"
echo "$perm $nlink $uid $gid $size $date $filelist"
$cat $1 |
$sed -n "/^diff /{
s|^.* \([^ ]*\)$|$perm $nlink $uid $gid $size $date \1|gp
}"
# format unix time
my @time=localtime($_[0]);
return sprintf "%02d-%02d-%02d %02d:%02d", $time[4]+1, $time[3], $time[5]%100, $time[2], $time[1];
}
patchfs_copyout ()
sub datetime
{
if [ "$2" = "$filelist" ]; then # list of all affected files
$cat $1 |
$sed -n "/^diff /{
s|^.* \([^ ]*\)$|\1|gp
}" > $3
exit 0
fi
# in case of problems fall back to 0 in unix time
# note: str2time interprets some wrong values (eg. " ") as 'today'
if ($parsedates && defined (my $t=str2time($_[0]))) {
return timef($t);
}
return timef(0);
}
fn=`echo $2|$sed 's|/|\\\/|g'` # escape '/' in filename
$cat $1 |
$sed -n "/^diff .*$fn/,/^diff /{
/^diff ./{
/$fn/p
d
sub list
{
my ($f,$d,$state,$pos,$npos);
my ($uid,$gid)=(`id -nu` || "0",`id -ng` || "0");
chomp ($uid, $gid);
import Date::Parse if ($parsedates);
# state==1 means diff contents, state==0 mens comments
$state=1;
$f="";
while (<I>) {
if (/^--- /) {
# start of a new file
if ($state==1) {
$npos=tell(I)-length;
printf "-rw-r--r-- 1 %s %s %d %s %s\n", $uid, $gid, $npos-$pos, datetime($d), $f
if $f;
$pos=$npos;
}
$state=1;
s/^--- ([^\s]+).*$/$1/;
chomp;
$f=$_;
$d="";
} elsif (/^\+\+\+ /) {
# take date from the +++ field
s/^\+\+\+ ([^\s]+)\s*//;
s/^([^\t]+).*$/$1/;
chomp;
$d=$_;
} elsif ($state==1 && !/^([+\- ]|@@)/) {
# start of comments, end of diff contents
$npos=tell(I)-length;
printf "-rw-r--r-- 1 %s %s %d %s %s\n", $uid, $gid, $npos-$pos, datetime($d), $f
if $f;
$pos=$npos;
$state=0;
}
p
}" > $3
}
$npos=tell(I);
printf "-rw-r--r-- 1 %s %s %d %s %s\n", $uid, $gid, $npos-$pos, datetime($d), $f
if $f && $state!=0;
close I;
}
patchfs_run ()
sub copyout
{
exit 0
my ($file,$out)=@_;
my ($f,$state,$pos);
open O, "> $out";
$state=1;
$f="";
while (<I>) {
if (/^--- /) {
# start of a new file
if ($state==1) {
if ($f eq $file) {
seek(I,-length,1);
last;
}
$pos=tell(I)-length;
}
$state=1;
s/^--- ([^\s]+).*$/$1/;
chomp;
$f=$_;
} elsif ($state==1 && !/^([+\- ]|@@)/) {
# start of comments, end of diff contents
if ($f eq $file) {
seek(I,-length,1);
last;
}
$pos=tell(I)-length;
$state=0;
}
}
if ($f eq $file) {
my $here=tell(I);
seek(I,$pos,0);
read(I,my $buf,$here-$pos);
print O $buf;
}
close O;
}
type=`$file $2`
case $type in
*bzip*) cat=$bzcat ;;
*gzip*) cat=$zcat ;;
*text*) cat=$ncat ;;
*) exit 1
esac
umask 077
case "$1" in
list) patchfs_list $2; exit 0;;
copyout) patchfs_copyout $2 $3 $4; exit 0;;
run) patchfs_run; exit 0;;
esac
exit 1
my $tmp;
$_=`$file $ARGV[1]`;
if (/bzip/) {
$tmp=tmpnam();
system "$bzcat $ARGV[1] > $tmp";
open I, "< $tmp";
} elsif (/gzip/) {
$tmp=tmpnam();
system "$gzcat $ARGV[1] > $tmp";
open I, "< $tmp";
} else {
open I, "< $ARGV[1]";
}
if ($ARGV[0] eq "list") {
list;
exit(0);
} if ($ARGV[0] eq "copyout") {
copyout ($ARGV[2], $ARGV[3]);
exit(0);
}
exit(1);
END {
system "rm $tmp" if ($tmp);
}