Unpack @_ first (PBP)

lib/Directory/Simplify/File.pm

@@ -6,8 +6,7 @@ require Cwd;
 use File::Basename qw/ dirname /;
 
 sub new {
-    my $class = shift;
-    my $rel_name = shift;
+    my ($class, $rel_name) = @_;
     my $self = bless {
         rel_name => $rel_name,
         name => Cwd::abs_path($rel_name),

lib/Directory/Simplify/FileHash.pm

@@ -13,11 +13,11 @@ require Directory::Simplify::File;
 # :squash-remove-end:
 
 sub new {
-    my $class = shift;
+    my ($class, %args) = @_;
     return bless {
         _entries => {},
         _files_in_hash => {},
-        @_,
+        %args,
     }, $class;
 }
 

lib/Directory/Simplify/Instruction/CopyTimestamp.pm

@@ -9,9 +9,9 @@ require Directory::Simplify::Utils;
 # :squash-remove-end:
 
 sub new {
-    my $class = shift;
+    my ($class, %args) = @_;
     return bless {
-        @_,
+        %args,
     }, $class;
 }
 

lib/Directory/Simplify/Instruction/Generator.pm

@@ -11,11 +11,11 @@ require Directory::Simplify::Instruction::Hardlink;
 # :squash-remove-end:
 
 sub new {
-    my $class = shift;
+    my ($class, %args) = @_;
     return bless {
         filehash => undef,
         min_size => 1,
-        @_,
+        %args,
     }, $class;
 }
 

lib/Directory/Simplify/Instruction/Hardlink.pm

@@ -9,10 +9,10 @@ require Directory::Simplify::Utils;
 # :squash-remove-end:
 
 sub new {
-    my $class = shift;
+    my ($class, %args) = @_;
     return bless {
         freed => 0,
-        @_,
+        %args,
     }, $class;
 }
 

lib/Directory/Simplify/Utils.pm

@@ -4,8 +4,9 @@ use strict;
 use warnings;
 
 sub addcommas {
+    my @numbers = @_;
     my @added;
-    foreach my $num (@_) {
+    foreach my $num (@numbers) {
         # don't split anything after the decimal
         my @parts = split /\./, $num;
         while ($parts[0] =~ s/(\d)(\d{3}(?:\D|$))/$1,$2/) {
@@ -36,11 +37,12 @@ sub hr_size {
 
 sub shell_quote {
     # shell-escape argument for inclusion in non-interpolated single quotes
+    my @words = @_;
     my @transformed = map {
         (my $out = $_)
             =~ s/'/'\\''/g;
         "'$out'";
-    } @_;
+    } @words;
     wantarray ? @transformed : $transformed[0];
 }
 

t/TestFunctions.pm

@@ -30,7 +30,7 @@ our @EXPORT = qw/
 use constant SCRIPT => $ENV{SCRIPT} // abs_path dirname(__FILE__) . '/../simplify_static_dir-main.pl';
 
 sub are_hardlinked {
-    my $starter = shift;
+    my ($starter, @files) = @_;
 
     my $gen_ident = sub {
         my ($dev, $ino) = stat $_[0];
@@ -38,7 +38,7 @@ sub are_hardlinked {
     };
 
     my $starter_ident = $gen_ident->($starter);
-    foreach my $file (@_) {
+    foreach my $file (@files) {
         if ($gen_ident->($file) ne $starter_ident) {
             return 0;
         }
@@ -47,7 +47,8 @@ sub are_hardlinked {
 }
 
 sub file_exists {
-    foreach my $file (@_) {
+    my @files = @_;
+    foreach my $file (@files) {
         unless (-e $file) {
             return 0;
         }
@@ -56,12 +57,13 @@ sub file_exists {
 }
 
 sub filemtime {
-    (stat shift)[9];
+    my $file = shift;
+    return (stat $file)[9];
 }
 
 sub has_mtime {
-    my $mtime = shift;
-    foreach my $file (@_) {
+    my ($mtime, @files) = @_;
+    foreach my $file (@files) {
         if (filemtime($file) != $mtime) {
             return 0;
         }
@@ -96,7 +98,8 @@ sub prep_tar {
 }
 
 sub run_script_capture {
-    my @cmd =(SCRIPT, @_);
+    my @args = @_;
+    my @cmd = (SCRIPT, @args);
 
     use IPC::Open3 qw/ open3 /;
     my $stderr = File::Temp->new(
@@ -123,8 +126,9 @@ sub run_script_capture {
 }
 
 sub run_script {
-    print STDERR '+ ' . SCRIPT . " @_\n";
-    system SCRIPT, @_;
+    my @args = @_;
+    print STDERR '+ ' . SCRIPT . " @args\n";
+    return system SCRIPT, @args;
 }
 
 1;

t/freed-bytes-commas.t

@@ -17,8 +17,9 @@ my (undef, $stdout, $stderr) = run_script_capture('-f', $test_dir);
 ok "freed 1,048,576 bytes (1 MB)\n" eq $stderr, 'prints freed bytes with commas';
 
 sub put_file {
+    my @files = @_;
     my $bytes = 1048576; # 1 MB
-    foreach my $file (@_) {
+    foreach my $file (@files) {
         open my $fh, '>', $file
             or die "Failed to open file $file for writing: $!";
         for (my $bytes_written = 0; $bytes_written < $bytes; ++$bytes_written) {