Define default terminal ourselves (#643)

Author: serenity4

src/CthulhuBase.jl

@@ -142,7 +142,11 @@ function __descend_with_error_handling(args...; terminal=default_terminal(), kwa
     return nothing
 end
 
-default_terminal() = REPL.LineEdit.terminal(Base.active_repl)
+function default_terminal()
+    term_env = get(ENV, "TERM", @static Sys.iswindows() ? "" : "dumb")
+    term = REPL.Terminals.TTYTerminal(term_env, stdin, stdout, stderr)
+    return term
+end
 
 descend_impl(@nospecialize(args...); kwargs...) =
     _descend_with_error_handling(args...; iswarn=true, kwargs...)

test/test_terminal.jl

@@ -40,9 +40,7 @@ macro with_try_stderr(out, expr)
 end
 
 @testset "Terminal" begin
-    if isdefined(Base, :active_repl)
-        @test Cthulhu.default_terminal() isa REPL.Terminals.TTYTerminal
-    end
+    @test Cthulhu.default_terminal() isa REPL.Terminals.TTYTerminal
     colorize(use_color::Bool, c::Char) = Cthulhu.stringify() do io
         use_color ? printstyled(io, c; color=:cyan) : print(io, c)
     end