From: Antonio Ospite <ao2@ao2.it>
Date: Thu, 13 Dec 2018 22:54:36 +0000 (+0100)
Subject: populate-sparsely.sh: explain why the script exits if there is no lock
X-Git-Url: https://git.ao2.it/config/vcsh.git/commitdiff_plain/6f9082f6cf2b819ed8d1f9b7da825e546d3d8b4a?hp=6f9082f6cf2b819ed8d1f9b7da825e546d3d8b4a

populate-sparsely.sh: explain why the script exits if there is no lock

The reason why the script exits if there is no lock was given in the
commit message when the check was added, but reading the code after some
time I could not remember it, so just put the explanation in a comment
to make the life easier for the reader.
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