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Optimize Docker image pull

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Art Chaidarun 2025-11-07 21:55:44 -05:00
parent 65175f3cf3
commit 7c64e47d93
2 changed files with 45 additions and 2 deletions
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13
pre_commit/languages/docker_image.py
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@ -23,9 +23,18 @@ def run_hook(
require_serial: bool,
color: bool,
) -> tuple[int, bytes]: # pragma: win32 no cover
cmd = docker_cmd(color=color) + lang_base.hook_cmd(entry, args)
cmd = lang_base.hook_cmd(entry, args)
# To prevent duplicate simultaneous image pull attempts in `run_xargs`, we
# try to precache the Docker image by pulling it here first
try:
image_name = cmd[2 if cmd[0] == '--entrypoint' else 0]
lang_base.setup_cmd(prefix, ('docker', 'pull', image_name))
except Exception:
pass
return lang_base.run_xargs(
cmd,
docker_cmd(color=color) + cmd,
file_args,
require_serial=require_serial,
color=color,