| line | true | false | branch | 
 
| 50 | 0 | 4 | unless $^O =~ /linux/iu | 
 
| 51 | 4 | 0 | unless 0 == system("which btrfs >/dev/null 2>&1") | 
 
| 52 | 0 | 0 | unless `ssh -V 2>&1` =~ /^OpenSSH/u | 
 
| 53 | 0 | 0 | unless 0 == system("which sudo >/dev/null 2>&1") | 
 
| 62 | 0 | 0 | unless ($^O =~ /linux/iu) | 
 
| 66 | 0 | 0 | unless (0 == system("which btrfs >/dev/null 2>&1")) | 
 
| 70 | 0 | 0 | unless (`ssh -V 2>&1` =~ /^OpenSSH/u) | 
 
| 74 | 0 | 0 | unless (0 == system("which sudo >/dev/null 2>&1")) | 
 
| 91 | 3 | 3353 | if $lower eq "_" | 
 
| 94 | 4 | 3352 | $upper eq '_' ? : | 
 
| 96 | 4 | 3352 | unless ($lower_ok and $upper_ok) | 
 
| 100 | 1 | 3 | if ($upper eq '_') { } | 
 
|  | 1 | 2 | elsif ($lower == $upper) { } | 
 
| 149 | 0 | 0 | have_sudo_access_to_btrfs() ? : | 
 
| 161 | 0 | 0 | unless -d $dir | 
 
| 174 | 0 | 0 | is_btrfs_dir($dir) ? : | 
 
| 188 | 0 | 0 | unless is_btrfs_dir($dir) | 
 
| 204 | 0 | 0 | is_btrfs_subvolume($dir) ? : | 
 
| 216 | 2 | 212 | unless $yr >= 1 | 
 
| 217 | 2 | 210 | unless $mon >= 1 and $mon <= 12 | 
 
| 218 | 2 | 208 | unless $hr >= 0 and $hr <= 23 | 
 
| 219 | 1 | 207 | unless $min >= 0 and $min <= 59 | 
 
| 223 | 200 | 7 | if ($mon == 1 or $mon == 3 or $mon == 5 or $mon == 7 or $mon == 8 or $mon == 10 or $mon == 12) { } | 
 
|  | 3 | 4 | elsif ($mon == 4 or $mon == 6 or $mon == 9 or $mon == 11) { } | 
 
| 224 | 2 | 198 | unless $day >= 1 and $day <= 31 | 
 
| 227 | 1 | 2 | unless $day >= 1 and $day <= 30 | 
 
| 232 | 0 | 4 | if ($yr % 400 == 0) { } | 
 
|  | 0 | 4 | elsif ($yr % 100 == 0) { } | 
 
|  | 2 | 2 | elsif ($yr % 4 == 0) { } | 
 
| 237 | 2 | 2 | $is_leap_yr ? : | 
 
| 239 | 2 | 2 | unless $day >= 1 and $day <= $upper | 
 
| 252 | 2 | 37 | unless (nums_denote_valid_date(@_)) | 
 
| 279 | 1 | 1 | unless (0 == $status) | 
 
| 294 | 0 | 0 | unless $path =~ m[^/]u | 
 
| 305 | 0 | 0 | if -d $path | 
 
| 307 | 0 | 0 | if make_path($path, {"uid", $uid, "group", $gid}) | 
 
| 327 | 0 | 0 | unless (i_am_root()) |