pub const StdIo = union(enum)pub const StdIo = union(enum) {
/// Whether the Run step has side-effects will be determined by whether or not one
/// of the args is an output file (added with `addOutputFileArg`).
/// If the Run step is determined to have side-effects, this is the same as `inherit`.
/// The step will fail if the subprocess crashes or returns a non-zero exit code.
infer_from_args,
/// Causes the Run step to be considered to have side-effects, and therefore
/// always execute when it appears in the build graph.
/// It also means that this step will obtain a global lock to prevent other
/// steps from running in the meantime.
/// The step will fail if the subprocess crashes or returns a non-zero exit code.
inherit,
/// Causes the Run step to be considered to *not* have side-effects. The
/// process will be re-executed if any of the input dependencies are
/// modified. The exit code and standard I/O streams will be checked for
/// certain conditions, and the step will succeed or fail based on these
/// conditions.
/// Note that an explicit check for exit code 0 needs to be added to this
/// list if such a check is desirable.
check: std.ArrayList(Check),
/// This Run step is running a zig unit test binary and will communicate
/// extra metadata over the IPC protocol.
zig_test,
pub const Check = union(enum) {
expect_stderr_exact: []const u8,
expect_stderr_match: []const u8,
expect_stdout_exact: []const u8,
expect_stdout_match: []const u8,
expect_term: process.Child.Term,
expect_stderr_snapshot: std.Build.LazyPath,
expect_stdout_snapshot: std.Build.LazyPath,
};
}