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reload

Rebuild hed and replace the running process with the new binary, without losing your open buffers.

Usage

:reload

Steps:

  1. Run make -j16 in the current working directory.
  2. If the build fails, abort and surface the status to you.
  3. If it succeeds, ask the session plugin to write the open-buffer list to ~/.cache/hed/<encoded-cwd>/session.
  4. Set HED_RELOAD=1 in the environment.
  5. execl ./build/hed. Same PID, fresh code.

After exec, the new process sees HED_RELOAD=1, reads the session file via the session plugin's HOOK_STARTUP_DONE handler, reopens your buffers, and removes the session file.

Why a separate plugin

Reload is the only sensible name for a "rebuild and exec myself" command, but the persistence half — saving and restoring the open- buffer list — is reusable. So:

  • reload owns the build / exec mechanic.
  • session owns session_save / session_restore and the HED_RELOAD env var contract.

If you load reload without session, :reload still rebuilds and relaunches, but doesn't reopen buffers.

Notes

  • Assumes the cwd is the repo root and that ./build/hed is the output. If you run hed from elsewhere, :reload won't find the binary to exec.
  • The build step uses make -j16. Edit plugins/reload/reload.c if you want a different parallelism.
  • Default leader binding: <space>rr is wired to :reload.