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difftool: initialize variables for readability

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The code always goes into one of the two conditional blocks but make it
clear that not doing so is an error condition by setting $ok to 0.

Signed-off-by: David Aguilar <davvid@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
David Aguilar 2016-05-16 11:05:36 -07:00 committed by Junio C Hamano
parent d92347f59f
commit 951b551d0f
1 changed files with 2 additions and 2 deletions
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4
git-difftool.perl
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@ -273,7 +273,7 @@ EOF
# temporary file to both the left and right directories to show the
# change in the recorded SHA1 for the submodule.
for my $path (keys %submodule) {
my $ok;
my $ok = 0;
if (defined($submodule{$path}{left})) {
$ok = write_to_file("$ldir/$path",
"Subproject commit $submodule{$path}{left}");
@ -289,7 +289,7 @@ EOF
# shows only the link itself, not the contents of the link target.
# This loop replicates that behavior.
for my $path (keys %symlink) {
my $ok;
my $ok = 0;
if (defined($symlink{$path}{left})) {
$ok = write_to_file("$ldir/$path",
$symlink{$path}{left});