jgb 34467fc07d Use job API for system() calls in GUI Vim to avoid overhead (#1325) ...

In GUI Vim (gvim, MacVim), each system() call incurs significant
overhead due to command prompt window creation, making operations
like PlugDiff ~5x slower than in terminal Vim or Neovim.

Add s:system_job() which uses job_start with file-based output to
run commands without that overhead, and use it in s:system() when
running in GUI Vim with job support.

Since v:shell_error is read-only in Vim 9, introduce s:shell_error
which is set by both code paths and used at all call sites.

Fixes #1312

2026-02-19 01:23:49 +09:00

84 KiB

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