- Shaders record the files glslang opened (a depfile) and their settings
(source path, stage, entry point, defines, include directories) in the
build directory, and rebuild when an included file or a setting changes,
not only the shader's own source.
- An executable relinks when its link command changed, not only when an
object is newer: a link flag in project.cpp, or a dependency's library
that moved (an ExternalDependency built into a new cache directory). The
command is recorded beside the objects; its flags come from ordered sets,
so the order the dependency threads finish in can't change it.
- An external's newest artifact counts its libDirs and versioned .so names.
- Submodules are checked out at the revisions the fetched commit records,
from the URLs its .gitmodules gives, after every clone, switch, checkout
and pull, so a pinned commit builds against its own submodules, and one
moved by hand is put back; with no .gitmodules, git isn't asked.
- Each external clone's fetch and build hold a file lock: parallel builds
pulled into one clone at once ("cannot lock ref").
- mingw:
- -stdlib=libstdc++ always;
- the std module's source is found through libstdc++.modules.json in the
mingw toolchain's own library directories (the generic lib/ holds the
host's Linux one), asking the compiler once a run;
- a toolchain that isn't there is a build error saying where it looked,
not std::terminate;
- CRAFTER_MINGW_DIR names the prefix, the directory holding
x86_64-w64-mingw32/ and lib/gcc/;
- inside the Flatpak the host's /usr mingw is used.
- RunScript's exit-status check reads as the one range it is.
- Tests: ConcurrentExternalFetch, ExternalArtifactTime, GitSubmodules,
LinkFlagsChange, MingwMissing, ShaderIncludeChange; ShaderCompile and
ToolchainResolve extended.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
RunScript caught std::exception only. Anything else a script threw went
on across the project.so boundary, and crafter-build ended in
std::terminate instead of reporting the script's failure.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
A project.cpp could describe how a project is built, tested and linted,
but not the chores around it: packaging, installing, publishing. Those
stayed shell lines in a README or in someone's history.
Configuration gains `scripts`, a plain list like `defines`. A Script is
a name and a C++ callback, as a lint rule is; there is no script
language and no config file. The callback gets a ScriptContext (the
project, the project file's directory, the arguments) and returns the
exit status. ctx.Run runs a shell command with the terminal attached
and returns its status. It is only stored when project.cpp loads, which
happens for every verb and for every project that depends on this one.
`crafter-build run <name> [args...]` runs one, a bare `run` lists them.
Only the scripts of the project crafter-build was pointed at are
runnable, never a dependency's.
Everything after the script's name is handed to the script untouched.
The two branches that do this sit ahead of every other branch of the
parse loop, --version and --help included. Below the verbs,
`run package clean` would delete build/, and any other word would land
in the project's args and so in the variant hash, moving the build to
another directory. Options before the name keep their meaning, so
project args go there.
The driver is its own partition, :Script. It refuses a project with no
scripts, a name that is empty or starts with '-' (it could never be
typed), a name declared twice (running either would be a guess) and an
unknown name, each with exit 1 and without running anything. A script
that throws exits 1. A return value outside 0..255 becomes 1: an exit
status is eight bits, and a raw wait status such as 256 would otherwise
wrap to success.
Two helpers in :Platform:
- RunCommandAttached runs a command with inherited stdio. Every helper
so far captured through popen, which is right for a compile step and
useless for a command that runs for half an hour or asks a question.
It reads the wait status through DecodeWaitStatus, which
RunCommandChecked and RunCommandWithTimeout now share.
- ShellQuote is exported. It existed twice, as ShellQuote in :External
and ShellQuoteSh in :Test, with the same behaviour; both are gone. A
script that puts a path into a command needs it too.
Not included: a string shorthand for one-command scripts (a one-line
lambda covers it) and a ctx.Build() helper (Build() is already
exported).
A new partition and new exported symbols: run ./build.sh.
Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
