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CHANGELOG.md

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Changelog

All notable changes to the run_make_support library should be documented in this file.

The format is based on Keep a Changelog and the support library should adhere to Semantic Versioning even if it's not intended for public consumption (it's moreso to help internally, to help test writers track changes to the support library).

This support library will probably never reach 1.0. Please bump the minor version in Cargo.toml if you make any breaking changes or other significant changes, or bump the patch version for bug fixes.

[0.2.0] - 2024-06-11

Added

  • Added fs_wrapper module which provides panic-on-fail helpers for their respective std::fs counterparts, the motivation is to:
    • Reduce littering .unwrap() or .expect() everywhere for fs operations
    • Help the test writer avoid forgetting to check fs results (even though enforced by -Dunused_must_use)
    • Provide better panic messages by default
  • Added path() helper which creates a Path relative to cwd() (but is less noisy).

Changed

  • Marked many functions with #[must_use], and rmake.rs are now compiled with -Dunused_must_use.

[0.1.0] - 2024-06-09

Changed

  • Use drop bombs to enforce that commands are executed; a command invocation will panic if it is constructed but never executed. Execution methods Command::{run, run_fail} will defuse the drop bomb.
  • Added Command helpers that forward to std::process::Command counterparts.

Removed

  • The env_var method which was incorrectly named and is env_clear underneath and is a footgun from impl_common_helpers. For example, removing TMPDIR on Unix and TMP/TEMP breaks std::env::temp_dir and wrecks anything using that, such as rustc's codgen.
  • Removed Deref/DerefMut for run_make_support::Command -> std::process::Command because it causes a method chain like htmldocck().arg().run() to fail, because arg() resolves to std::process::Command which also returns a &mut std::process::Command, causing the run() to be not found.

[0.0.0] - 2024-06-09

Consider this version to contain all changes made to the support library before we started to track changes in this changelog.

Added

  • Custom command wrappers around std::process::Command (run_make_support::Command) and custom wrapper around std::process::Output (CompletedProcess) to make it more convenient to work with commands and their output, and help avoid forgetting to check for exit status.
    • Command: set_stdin, run, run_fail.
    • CompletedProcess: std{err,out}_utf8, status, assert_std{err,out}_{equals, contains, not_contains}, assert_exit_code.
  • impl_common_helpers macro to avoid repeating adding common convenience methods, including:
    • Environment manipulation methods: env, env_remove
    • Command argument providers: arg, args
    • Common invocation inspection (of the command invocation up until inspect is called): inspect
    • Execution methods: run (for commands expected to succeed execution, exit status 0) and run_fail (for commands expected to fail execution, exit status non-zero).
  • Command wrappers around: rustc, clang, cc, rustc, rustdoc, llvm-readobj.
  • Thin helpers to construct python and htmldocck commands.
  • run and run_fail (like Command::{run, run_fail}) for running binaries, which sets suitable env vars (like LD_LIB_PATH or equivalent, TARGET_RPATH_ENV, PATH on Windows).
  • Pseudo command diff which has similar functionality as the cli util but not the same API.
  • Convenience panic-on-fail helpers env_var, env_var_os, cwd for their std::env conterparts.
  • Convenience panic-on-fail helpers for reading respective env vars: target, source_root.
  • Platform check helpers: is_windows, is_msvc, cygpath_windows, uname.
  • fs helpers: copy_dir_all.
  • recursive_diff helper.
  • Generic assert_not_contains helper.
  • Scoped run-with-teardown helper run_in_tmpdir which is designed to run commands in a temporary directory that is cleared when closure returns.
  • Helpers for constructing the name of binaries and libraries: rust_lib_name, static_lib_name, bin_name, dynamic_lib_name.
  • Re-export libraries: gimli, object, regex, wasmparsmer.