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#!/pro/bin/perl
# With this file as git-ccdiff in your $PATH
#
# git config --global diff.tool ccdiff
# git config --global difftool.prompt false
# git config --global difftool.ccdiff.cmd 'ccdiff --utf-8 -u -r $LOCAL $REMOTE'
# git difftool 5c5a~..5c5a
# ->
# git ccdiff 5c5a
use 5.014002;
use warnings;
my @opt;
my @git = qw( git difftool );
for (@ARGV) {
if (m/^-/) { # an option
push @opt => $_;
}
elsif (-f) { # a file
push @git => $_;
}
elsif (m/^[0-9a-fA-F]{4,32}$/) { # a commit
push @git => "$_~1..$_";
}
else {
push @git => $_;
}
}
#use Data::Peek;
#DDumper \@ARGV;
@opt and $ENV{CCDIFF_OPTIONS} = join " " => @opt;
system @git;
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