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  • 4 commits
  • 10 files changed
  • 2 contributors

Commits on May 9, 2026

  1. Add WASM build notes for gosh (wasip1 target) 

    Documents Go and wasmtime install steps, the single build command, and
the three wasmtime invocation patterns (inline, stdin, script file).

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
    mysorepreetham and claude committed May 9, 2026
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  2. Add coreutils and shell pipe support for WASI target 

    - Add cmd/gosh/coreutils.go: wires in u-root implementations of cat,
  chmod, cp, mkdir, mv, rm, touch, xargs, gzip/gunzip, mktemp, tar;
  ls and find are reimplemented with stdlib to avoid u-root/pkg/ls
  which uses macOS-only syscall fields incompatible with wasip1;
  base64 and shasum are reimplemented with stdlib to avoid os.Pipe

- Patch interp to replace os.Pipe with io.Pipe throughout so shell
  pipes (|), heredocs (<<), and herestrings (<<<) work under WASI;
  change stdin field from *os.File to io.Reader; guard SetReadDeadline
  behind a type assertion so non-file readers work safely

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
    mysorepreetham and claude committed May 9, 2026
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  3. Use u-root base64 and shasum directly 

    Now that interp uses io.Pipe instead of os.Pipe, the u-root base64 and
shasum commands work as-is. Only ls and find need stdlib replacements,
due to u-root/pkg/ls using macOS-specific syscall.Stat_t fields that
are absent on wasip1.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
    mysorepreetham and claude committed May 9, 2026
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  4. Update WASM_BUILD.md with supported commands and current build state 

    Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
    mysorepreetham and claude committed May 9, 2026
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