Create a minimal interactive shell

Rakefile

@@ -1,64 +0,0 @@
-require 'pathname'
-require 'rake/clean'
-require 'open3'
-
-DFLAGS = ['--warn-no-deprecated', '-L/usr/lib64/gcc-12']
-BINARY = 'build/bin/elna'
-TESTS = FileList['tests/*.eln'].flat_map do |test|
-  build = Pathname.new 'build'
-  test_basename = Pathname.new(test).basename('')
-
-  [build + 'riscv' + test_basename].map { |path| path.sub_ext('').to_path }
-end
-
-SOURCES = FileList['source/**/*.d']
-
-directory 'build'
-
-CLEAN.include 'build'
-CLEAN.include '.dub'
-
-rule(/build\/riscv\/[^\/\.]+$/ => ->(file) { test_for_out(file, '.o') }) do |t|
-  sh '/opt/riscv/bin/riscv32-unknown-elf-ld',
-    '-o', t.name,
-    '-L/opt/riscv/lib/gcc/riscv32-unknown-elf/13.2.0/',
-    '-L/opt/riscv/riscv32-unknown-elf/lib',
-    '/opt/riscv/riscv32-unknown-elf/lib/crt0.o',
-    '/opt/riscv/lib/gcc/riscv32-unknown-elf/13.2.0/crtbegin.o',
-    t.source,
-    '--start-group', '-lgcc', '-lc', '-lgloss', '--end-group',
-    '/opt/riscv/lib/gcc/riscv32-unknown-elf/13.2.0/crtend.o'
-end
-
-rule(/build\/riscv\/.+\.o$/ => ->(file) { test_for_object(file, '.eln') }) do |t|
-  Pathname.new(t.name).dirname.mkpath
-  sh BINARY, '-o', t.name, t.source
-end
-
-file BINARY => SOURCES do |t|
-  sh({ 'DFLAGS' => (DFLAGS * ' ') }, 'dub', 'build', '--compiler=gdc')
-end
-
-task default: TESTS
-task default: BINARY
-
-desc 'Run unittest blocks'
-task unittest: SOURCES do |t|
-  sh('dub', 'test', '--compiler=gdc-12')
-end
-
-def test_for_object(out_file, extension)
-  test_source = Pathname
-    .new(out_file)
-    .sub_ext(extension)
-    .sub(/^build\/[[:alpha:]]+\//, 'tests/')
-    .to_path
-  [test_source, BINARY]
-end
-
-def test_for_out(out_file, extension)
-  Pathname
-    .new(out_file)
-    .sub_ext(extension)
-    .to_path
-end