Merge branch 'tmpdir-comment' into 'master'

deckard: document usage of TMPDIR

See merge request !156
10 jobs for master in 1 minute and 28 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Test
passed #235203
amd64 linux docker
test:augeas

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passed #235209
amd64 linux docker
test:comparative:kresd

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passed #235204
amd64 linux docker
test:flake8

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amd64 linux docker
test:latest:kresd

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passed #235205
amd64 linux docker
test:mypy

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passed #235206
amd64 linux docker
test:pylint

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amd64 linux docker
test:rplint

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passed #235212
amd64 linux docker
test:sanity:pdnsrecursor

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passed #235211
amd64 linux docker
test:sanity:unbound

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passed #235208
amd64 linux docker
test:unittests

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