From 664fdd5c9faa6d6b33ae9399ef310349b19960dd Mon Sep 17 00:00:00 2001
From: Sergey Matveev <stargrave@stargrave.org>
Date: Sun, 7 Nov 2021 16:47:27 +0300
Subject: [PATCH] =?utf8?q?mkdir=20=D0=BA=D0=B0=D0=BA=20mutex?=
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https://wiki.bash-hackers.org/howto/mutex
mkdir можно использовать как mutex, за неимением специализированных
lock-ов в shell-е.
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2.50.0