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difftool: Wrap long lines for readability

Keep everything within 80 columns.  Wrap the user-facing messages too.

Signed-off-by: David Aguilar <davvid@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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1 parent 283abb2 commit a4cd5be30cdd19c43908dc55d8dd39a0fe79075b @davvid davvid committed with gitster Jul 25, 2012
Showing with 32 additions and 14 deletions.
  1. +32 −14 git-difftool.perl
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46 git-difftool.perl
@@ -93,15 +93,22 @@ sub print_tool_help
}
}
- print "'git difftool --tool=<tool>' may be set to one of the following:\n";
+ print << 'EOF';
+'git difftool --tool=<tool>' may be set to one of the following:
+EOF
print "\t$_\n" for (sort(@found));
- print "\nThe following tools are valid, but not currently available:\n";
+ print << 'EOF';
+
+The following tools are valid, but not currently available:
+EOF
print "\t$_\n" for (sort(@notfound));
- print "\nNOTE: Some of the tools listed above only work in a windowed\n";
- print "environment. If run in a terminal-only session, they will fail.\n";
+ print << 'EOF';
+NOTE: Some of the tools listed above only work in a windowed
+environment. If run in a terminal-only session, they will fail.
+EOF
exit(0);
}
@@ -114,8 +121,11 @@ sub setup_dir_diff
# if $GIT_DIR and $GIT_WORK_TREE are set in ENV, they are actually used
# by Git->repository->command*.
my $repo_path = $repo->repo_path();
- my $diffrepo = Git->repository(Repository => $repo_path, WorkingCopy => $workdir);
- my $diffrtn = $diffrepo->command_oneline('diff', '--raw', '--no-abbrev', '-z', @ARGV);
+ my %repo_args = (Repository => $repo_path, WorkingCopy => $workdir);
+ my $diffrepo = Git->repository(%repo_args);
+
+ my @gitargs = ('diff', '--raw', '--no-abbrev', '-z', @ARGV);
+ my $diffrtn = $diffrepo->command_oneline(@gitargs);
exit(0) if (length($diffrtn) == 0);
# Setup temp directories
@@ -140,11 +150,15 @@ sub setup_dir_diff
my $i = 0;
while ($i < $#rawdiff) {
if ($rawdiff[$i] =~ /^::/) {
- print "Combined diff formats ('-c' and '--cc') are not supported in directory diff mode.\n";
+ warn << 'EOF';
+Combined diff formats ('-c' and '--cc') are not supported in
+directory diff mode ('-d' and '--dir-diff').
+EOF
exit(1);
}
- my ($lmode, $rmode, $lsha1, $rsha1, $status) = split(' ', substr($rawdiff[$i], 1));
+ my ($lmode, $rmode, $lsha1, $rsha1, $status) =
+ split(' ', substr($rawdiff[$i], 1));
my $src_path = $rawdiff[$i + 1];
my $dst_path;
@@ -156,7 +170,7 @@ sub setup_dir_diff
$i += 2;
}
- if (($lmode eq $submodule_mode) or ($rmode eq $submodule_mode)) {
+ if ($lmode eq $submodule_mode or $rmode eq $submodule_mode) {
$submodule{$src_path}{left} = $lsha1;
if ($lsha1 ne $rsha1) {
$submodule{$dst_path}{right} = $rsha1;
@@ -167,14 +181,16 @@ sub setup_dir_diff
}
if ($lmode eq $symlink_mode) {
- $symlink{$src_path}{left} = $diffrepo->command_oneline('show', "$lsha1");
+ $symlink{$src_path}{left} =
+ $diffrepo->command_oneline('show', "$lsha1");
}
if ($rmode eq $symlink_mode) {
- $symlink{$dst_path}{right} = $diffrepo->command_oneline('show', "$rsha1");
+ $symlink{$dst_path}{right} =
+ $diffrepo->command_oneline('show', "$rsha1");
}
- if (($lmode ne $null_mode) and ($status !~ /^C/)) {
+ if ($lmode ne $null_mode and $status !~ /^C/) {
$lindex .= "$lmode $lsha1\t$src_path\0";
}
@@ -199,14 +215,16 @@ sub setup_dir_diff
# Populate the left and right directories based on each index file
my ($inpipe, $ctx);
$ENV{GIT_INDEX_FILE} = "$tmpdir/lindex";
- ($inpipe, $ctx) = $repo->command_input_pipe(qw/update-index -z --index-info/);
+ ($inpipe, $ctx) =
+ $repo->command_input_pipe(qw(update-index -z --index-info));
print($inpipe $lindex);
$repo->command_close_pipe($inpipe, $ctx);
my $rc = system('git', 'checkout-index', '--all', "--prefix=$ldir/");
exit($rc | ($rc >> 8)) if ($rc != 0);
$ENV{GIT_INDEX_FILE} = "$tmpdir/rindex";
- ($inpipe, $ctx) = $repo->command_input_pipe(qw/update-index -z --index-info/);
+ ($inpipe, $ctx) =
+ $repo->command_input_pipe(qw(update-index -z --index-info));
print($inpipe $rindex);
$repo->command_close_pipe($inpipe, $ctx);
$rc = system('git', 'checkout-index', '--all', "--prefix=$rdir/");

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