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|
#!/bin/bash
verbose=0
if [ "$1" = "-v" ]; then
verbose=1
shift
fi
if [ $# != 3 ]; then
echo "Usage: $0 [-v] host1[@host1] host2[@host2] basedir" >&2
exit 1
fi
left1="${1%@*}"
left2="${1#*@}"
right1="${2%@*}"
right2="${2#*@}"
basedir="$3"
left_cmd="ssh $left1 'csync2 -or $basedir -P $right2 | sort | xargs md5sum'"
right_cmd="ssh $right1 'csync2 -or $basedir -P $left2 | sort | xargs md5sum'"
if [ $verbose -eq 1 ]; then
echo
echo "L: $left_cmd"
echo "R: $right_cmd"
echo
fi
my_md5sum='perl -w -e '\''
use strict;
use Digest::MD5;
foreach my $f (@ARGV) {
if (-l $f) {
print "LINK:", Digest::MD5->new->add(readlink($f))->hexdigest, " $f\n";
next;
}
if (-f $f) {
open(FILE, $f) or die "Can not open >>$f<<: $!";
binmode(FILE);
print "DATA:", Digest::MD5->new->addfile(*FILE)->hexdigest, " $f\n";
close(FILE);
next;
}
print "SPECIALFILE:0 $f\n";
}
'\'
tic="'"
my_md5sum="${my_md5sum//$tic/$tic\\$tic$tic}"
left_cmd="${left_cmd/md5sum/$my_md5sum}"
right_cmd="${right_cmd/md5sum/$my_md5sum}"
diff -u <( eval "$left_cmd" ) <( eval "$right_cmd" ) | awk '
function isort(A, n,
i, j, hold)
{
for (i=1; i<n; i++)
{
hold = A[j = i];
while (A[j-1] > hold)
{ j--; A[j+1] = A[j]; }
A[j] = hold;
}
}
/^-[a-zA-Z0-9]/ { gotsomething=1; if ('$verbose') print; sub(/^./, ""); all[$2] = 1; left[$2] = $1; }
/^\+[a-zA-Z0-9]/ { gotsomething=1; if ('$verbose') print; sub(/^./, ""); all[$2] = 1; right[$2] = $1; }
END {
outcount = 0;
for (filename in all) {
outlines[filename] = sprintf("%s %s %s",
(left[filename] == "" ? "-" : "X"),
(right[filename] == "" ? "-" : "X"),
filename);
sortindex[outcount] = filename;
outcount++;
}
if ('$verbose' && gotsomething)
printf "\n";
isort(sortindex, outcount);
for (i=0; i<outcount; i++)
print outlines[sortindex[i]];
if ('$verbose')
printf "Found %d differences.\n", outcount;
}
'
if [ $verbose -eq 1 ]; then
echo
echo "X - ... Found this file on left host ($1) only."
echo "- X ... Found this file on right host ($2) only."
echo "X X ... Found file on both hosts but content is different."
echo
fi
|
