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Avoid rescuing without specifying an error class.
Open

            rescue => e
Severity: Minor
Found in server/lib/bbs/commands.rb by rubocop

This cop checks for rescuing StandardError. There are two supported styles implicit and explicit. This cop will not register an offense if any error other than StandardError is specified.

Example: EnforcedStyle: implicit

# `implicit` will enforce using `rescue` instead of
# `rescue StandardError`.

# bad
begin
  foo
rescue StandardError
  bar
end

# good
begin
  foo
rescue
  bar
end

# good
begin
  foo
rescue OtherError
  bar
end

# good
begin
  foo
rescue StandardError, SecurityError
  bar
end

Example: EnforcedStyle: explicit (default)

# `explicit` will enforce using `rescue StandardError`
# instead of `rescue`.

# bad
begin
  foo
rescue
  bar
end

# good
begin
  foo
rescue StandardError
  bar
end

# good
begin
  foo
rescue OtherError
  bar
end

# good
begin
  foo
rescue StandardError, SecurityError
  bar
end

Prefer single-quoted strings when you don't need string interpolation or special symbols.
Open

            break if cmdSend == "exit"
Severity: Minor
Found in server/lib/bbs/commands.rb by rubocop

Checks if uses of quotes match the configured preference.

Example: EnforcedStyle: single_quotes (default)

# bad
"No special symbols"
"No string interpolation"
"Just text"

# good
'No special symbols'
'No string interpolation'
'Just text'
"Wait! What's #{this}!"

Example: EnforcedStyle: double_quotes

# bad
'Just some text'
'No special chars or interpolation'

# good
"Just some text"
"No special chars or interpolation"
"Every string in #{project} uses double_quotes"

Prefer single-quoted strings when you don't need string interpolation or special symbols.
Open

        if File.file?("./getCert.sh")
Severity: Minor
Found in server/lib/bbs/commands.rb by rubocop

Checks if uses of quotes match the configured preference.

Example: EnforcedStyle: single_quotes (default)

# bad
"No special symbols"
"No string interpolation"
"Just text"

# good
'No special symbols'
'No string interpolation'
'Just text'
"Wait! What's #{this}!"

Example: EnforcedStyle: double_quotes

# bad
'Just some text'
'No special chars or interpolation'

# good
"Just some text"
"No special chars or interpolation"
"Every string in #{project} uses double_quotes"

Prefer single-quoted strings when you don't need string interpolation or special symbols.
Open

                current = index.to_s + " / " + Bbs::WebSocket.convertIP(val) + " / " + val.to_s
Severity: Minor
Found in server/lib/bbs/commands.rb by rubocop

Checks if uses of quotes match the configured preference.

Example: EnforcedStyle: single_quotes (default)

# bad
"No special symbols"
"No string interpolation"
"Just text"

# good
'No special symbols'
'No string interpolation'
'Just text'
"Wait! What's #{this}!"

Example: EnforcedStyle: double_quotes

# bad
'Just some text'
'No special chars or interpolation'

# good
"Just some text"
"No special chars or interpolation"
"Every string in #{project} uses double_quotes"

Prefer single-quoted strings when you don't need string interpolation or special symbols.
Open

            puts Dir.glob(cmdIn[1] + "/*").select{ |e| File.file? e }.join(' ')
Severity: Minor
Found in server/lib/bbs/commands.rb by rubocop

Checks if uses of quotes match the configured preference.

Example: EnforcedStyle: single_quotes (default)

# bad
"No special symbols"
"No string interpolation"
"Just text"

# good
'No special symbols'
'No string interpolation'
'Just text'
"Wait! What's #{this}!"

Example: EnforcedStyle: double_quotes

# bad
'Just some text'
'No special chars or interpolation'

# good
"Just some text"
"No special chars or interpolation"
"Every string in #{project} uses double_quotes"

Prefer single-quoted strings when you don't need string interpolation or special symbols.
Open

        puts "Enter the command to send (exit to return to the previous prompt)."
Severity: Minor
Found in server/lib/bbs/commands.rb by rubocop

Checks if uses of quotes match the configured preference.

Example: EnforcedStyle: single_quotes (default)

# bad
"No special symbols"
"No string interpolation"
"Just text"

# good
'No special symbols'
'No string interpolation'
'Just text'
"Wait! What's #{this}!"

Example: EnforcedStyle: double_quotes

# bad
'Just some text'
'No special chars or interpolation'

# good
"Just some text"
"No special chars or interpolation"
"Every string in #{project} uses double_quotes"

Use 2 (not 0) spaces for indentation.
Open

module PrintColor
Severity: Minor
Found in server/lib/bbs/printcolor.rb by rubocop

This cops checks for indentation that doesn't use the specified number of spaces.

See also the IndentationConsistency cop which is the companion to this one.

Example:

# bad
class A
 def test
  puts 'hello'
 end
end

# good
class A
  def test
    puts 'hello'
  end
end

Example: IgnoredPatterns: ['^\s*module']

# bad
module A
class B
  def test
  puts 'hello'
  end
end
end

# good
module A
class B
  def test
    puts 'hello'
  end
end
end

Prefer single-quoted strings when you don't need string interpolation or special symbols.
Open

            Bbs::PrintColor.print_error("Usage is cat FILE_PATH. Type help for help.")
Severity: Minor
Found in server/lib/bbs/commands.rb by rubocop

Checks if uses of quotes match the configured preference.

Example: EnforcedStyle: single_quotes (default)

# bad
"No special symbols"
"No string interpolation"
"Just text"

# good
'No special symbols'
'No string interpolation'
'Just text'
"Wait! What's #{this}!"

Example: EnforcedStyle: double_quotes

# bad
'Just some text'
'No special chars or interpolation'

# good
"Just some text"
"No special chars or interpolation"
"Every string in #{project} uses double_quotes"

Prefer single-quoted strings when you don't need string interpolation or special symbols.
Open

                print " "
Severity: Minor
Found in server/lib/bbs/commands.rb by rubocop

Checks if uses of quotes match the configured preference.

Example: EnforcedStyle: single_quotes (default)

# bad
"No special symbols"
"No string interpolation"
"Just text"

# good
'No special symbols'
'No string interpolation'
'Just text'
"Wait! What's #{this}!"

Example: EnforcedStyle: double_quotes

# bad
'Just some text'
'No special chars or interpolation'

# good
"Just some text"
"No special chars or interpolation"
"Every string in #{project} uses double_quotes"

Use 2 (not 4) spaces for indentation.
Open

        puts "[X] ".colorize(:red) + message
Severity: Minor
Found in server/lib/bbs/printcolor.rb by rubocop

This cops checks for indentation that doesn't use the specified number of spaces.

See also the IndentationConsistency cop which is the companion to this one.

Example:

# bad
class A
 def test
  puts 'hello'
 end
end

# good
class A
  def test
    puts 'hello'
  end
end

Example: IgnoredPatterns: ['^\s*module']

# bad
module A
class B
  def test
  puts 'hello'
  end
end
end

# good
module A
class B
  def test
    puts 'hello'
  end
end
end

Use empty? instead of length < 1.
Open

        if wsList.length < 1
Severity: Minor
Found in server/lib/bbs/commands.rb by rubocop

This cop checks for numeric comparisons that can be replaced by a predicate method, such as receiver.length == 0, receiver.length > 0, receiver.length != 0, receiver.length < 1 and receiver.size == 0 that can be replaced by receiver.empty? and !receiver.empty.

Example:

# bad
[1, 2, 3].length == 0
0 == "foobar".length
array.length < 1
{a: 1, b: 2}.length != 0
string.length > 0
hash.size > 0

# good
[1, 2, 3].empty?
"foobar".empty?
array.empty?
!{a: 1, b: 2}.empty?
!string.empty?
!hash.empty?

Use a ( subshell ) to avoid having to cd back.
Open

cd -
Severity: Minor
Found in tools/cibuild.sh by shellcheck

Use a ( subshell ) to avoid having to cd back.

Problematic code:

for dir in */
do
  cd "$dir"
  convert index.png index.jpg
  cd ..
done

Correct code:

for dir in */
do
  (
  cd "$dir" || exit
  convert index.png index.jpg
  )
done

or

for dir in */
do
  cd "$dir" || exit
  convert index.png index.jpg
  cd ..
done

Rationale:

When doing cd dir; somestuff; cd .., cd dir can fail when permissions are lacking, if the dir was deleted, or if dir is actually a file.

In this case, somestuff will run in the wrong directory and cd .. will take you to an even more wrong directory. In a loop, this will likely cause the next cd to fail as well, propagating this error and running these commands far away from the intended directories.

Check cds exit status and/or use subshells to limit the effects of cd.

Exceptions

If you set variables you can't use a subshell. In that case, you should definitely check the exit status of cd, which will also silence this suggestion.

Notice

Original content from the ShellCheck https://github.com/koalaman/shellcheck/wiki.

Use self.print_notice instead of PrintColor.print_notice.
Open

    def PrintColor.print_notice(message)
Severity: Minor
Found in server/lib/bbs/printcolor.rb by rubocop

This cop checks for uses of the class/module name instead of self, when defining class/module methods.

Example:

# bad
class SomeClass
  def SomeClass.class_method
    # ...
  end
end

# good
class SomeClass
  def self.class_method
    # ...
  end
end

TODO found
Open

        # TODO: Detect other result types
Severity: Minor
Found in server/lib/bbs/websocket.rb by fixme
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