The `Command.zig` tests reach outside the local source tree and look for
files on the host os machine. This introduces some portability issues
for the tests.
The nix build sandbox doesn't include `/usr/bin/env` making it error out
when `zig build test` runs `Command.zig` tests as part of a `nix build`.
Current ci and local development relies on `nix develop` sharing a host os
file system that includes `/usr/bin/env`.
Turns out `/tmp` and `/bin/sh` are available in the build sandbox in
nix so we swap these in to enable nixpkg builds to include testing
ghostty as part of any update cycle.
Duplicating a test process via fork does unexepected things.
zig build test will hang
A test binary created via -Demit-test-exe will run 2 copies of the test suite
Use clone3 / CLONE_INTO_CGROUP to have the Linux kernel create the process in the
correct cgroup rather than move the process into the cgroup after it is created.
This gets `zig build -Dtarget=aarch64-ios` working. By "working" I mean
it produces an object file without compiler errors. However, the object
file certainly isn't useful since it uses a number of features that will
not work in the iOS sandbox.
This is just an experiment more than anything to see how hard it would be to
get libghostty working within iOS to render a terminal. Note iOS doesn't
support ptys so this wouldn't be a true on-device terminal. The
challenge right now is to just get a terminal rendering (not usable).
Changes:
- Add WindowsPty, which uses the ConPTY API to create a pseudo console
- Pty now selects between PosixPty and WindowsPty
- Windows support in Command, including the ability to launch a process with a pseudo console
- Enable Command tests on windows
- Add some environment variable abstractions to handle the missing libc APIs on Windows
- Windows version of ReadThread
Makes progress getting "zig build test" to work on windows. Mostly
fixed issues around build configuration and added some branches throughout
the Zig code to return/throw errors for unimplemented parts.
I also added an initial implementation for getting the home dir.
If the child process our terminal is executing behaves poorly and
doesn't waitpid all of its own children, then we can hang the full
terminal. This is not ideal, so specify WNOHANG.
