v4.5.0

• 5d81edd
  • Added is-eq command.
  • Fixed bad links in the README.
  • Reorganized tests into categories (i.e. directories).
• 400365f
  • Added storing trapped signal numbers into an environment with signal, if environment usage is enabled.
  • Added storing the previous command's exit code, if environment usage is enabled and a command that uses numbers is on.
  • Fixed noop debug statements to correctly print the comment.
  • Fixed cat-fd to exit with an error if the write fails.
  • Fixed dup-r debug to correctly report the command name.
• 1ee5968
  • Fixed the cmd_mkdir to build correctly with LLVM.
  • Fixed clang+llvm issues with debug compile flags. It used to contain conflicting argument flags which would cause a crash on some versions of llvm.
  • Updated the tests/_run.sh to recognize IPv6 capabilities. This works around environments where IPv6 is not available.
  • Updated the tests that run a network server. These now run a helper script that find a pseudorandom port number, and retry several times if the test server fails. This also includes more logging to help debug server errors.
  • Extracted the HTTP status line buffer size into a definition, instead of a magic number.
  • Updated example Alpine Linux docker version to 3.19.
  • Updated Ubuntu Linux docker to install iproute2 to allow for network tests.
• 9e21cdd
  • Updated recipies and other build tools to use more modern tool versions.