oven-sh/bun · error

usage: ptyrun <command> [args...]

Error message

usage: ptyrun <command> [args...]

What it means

Error "usage: ptyrun <command> [args...] " thrown in oven-sh/bun.

Source

Thrown at scripts/orderfile/ptyrun.c:39

#include <stdio.h>
#include <stdlib.h>
#include <sys/ioctl.h>
#include <sys/wait.h>
#include <unistd.h>
#if defined(__APPLE__)
#include <util.h>
#define PRELOAD_VAR "DYLD_INSERT_LIBRARIES"
#else
#include <pty.h>
#define PRELOAD_VAR "LD_PRELOAD"
#endif

#define EOT 4 // ^D: how a terminal says end-of-input

int main(int argc, char **argv)
{
    if (argc < 2) {
        fprintf(stderr, "usage: ptyrun <command> [args...]\n");
        return 2;
    }

    struct winsize window = { .ws_row = 24, .ws_col = 80 };
    int master = -1;
    pid_t child = forkpty(&master, NULL, NULL, &window);
    if (child < 0) {
        perror("forkpty");
        return 2;
    }
    if (child == 0) {
        const char *preload = getenv("PTYRUN_PRELOAD");
        if (preload && *preload) setenv(PRELOAD_VAR, preload, 1);
        execvp(argv[1], &argv[1]);
        perror(argv[1]);
        _exit(127);
    }

View on GitHub (pinned to 8c5296ac45)

When it happens

Trigger: Thrown at scripts/orderfile/ptyrun.c:39 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of oven-sh/bun@8c5296ac45 (2026-08-16). Data as JSON: /api/errors/6b358e22f9c608f9. Report an issue: GitHub.