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Use $(...) notation instead of legacy backtick notation for embedded shell commands

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shellcheck reported

    SC2006: Use $(...) notation instead of legacy backticked `...`.

Fixed by applying shellcheck's diff output as a patch.
This commit is contained in:
Joshua Tauberer
2021-05-03 19:28:23 -04:00
parent ae3feebd80
commit 9b07d86bf7
10 changed files with 16 additions and 16 deletions
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2
setup/preflight.sh
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@@ -8,7 +8,7 @@ if [[ $EUID -ne 0 ]]; then
fi
# Check that we are running on Ubuntu 18.04 LTS (or 18.04.xx).
if [ "`lsb_release -d | sed 's/.*:\s*//' | sed 's/18\.04\.[0-9]/18.04/' `" != "Ubuntu 18.04 LTS" ]; then
if [ "$(lsb_release -d | sed 's/.*:\s*//' | sed 's/18\.04\.[0-9]/18.04/' )" != "Ubuntu 18.04 LTS" ]; then
echo "Mail-in-a-Box only supports being installed on Ubuntu 18.04, sorry. You are running:"
echo
lsb_release -d | sed 's/.*:\s*//'