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https://bugs.gentoo.org/829993
--- a/cfg-update
+++ b/cfg-update
@@ -995,11 +995,11 @@
if ($opt_d >= 1) { print "$tab"." grep \"$file1_without_host \" $host_path$index_file $debug | cut -d\" \" -f2 $debug\n"; }
local $ENV{LC_ALL}="C";
chomp ($md5sum_index = `grep "$file1_without_host " "$host_path$index_file" $debug | cut -d" " -f2 $debug`);
if ($opt_d >= 1) { print "$tab"." MD5 checksum in the checksum-index : $md5sum_index\n"; }
if ($md5sum_index =~ /.+/) {
- if ($md5sum_index !~ $md5sum_file) {
+ if (length($md5sum_file) && $md5sum_index !~ $md5sum_file) {
$state = $state1; $vstate = $vstate1; # 1 = MF = Modified File - checksum differs from index
if (-B "$file1") { $state = $state2; $vstate = $vstate2; } # 2 = MB = Modified Binary - you probably replaced the binary file so replace not allowed
} else {
$state = $state3; $vstate = $vstate3; # 3 = UF = Unmodified File - checksum matches with index
if (-B "$file1") { $state = $state4; $vstate = $vstate4; } # 4 = UB = Unmodified Binary - unmodified binary file so replace always allowed
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