lintian output

Lintian have many warnings that there is shebang '/bin/sh' which can
be populary /bin/bash or /bin/zsh but also many others like Ksh
or even Fish.

Warned lintian problems are testing that are run under Bash or some other
shell so they are or they are words in comments like let

 * I: mariadb-client: bash-term-in-posix-shell '`echo "testing\c"' [usr/bin/mariadb-secure-installation:191]
 * I: mariadb-server: bash-term-in-posix-shell '${BASH_VERSION' [usr/share/mysql/wsrep_notify:86]
 * I: mariadb-server: bash-term-in-posix-shell '[ "$url" ==' [usr/bin/mariadbd-safe:216]
 * I: mariadb-server: bash-term-in-posix-shell 'let' [usr/bin/mariadbd-safe:41]
 * I: mariadb-server: bash-term-in-posix-shell 'ulimit' [usr/bin/mariadbd-safe:712]
 * I: mariadb-server: bash-term-in-posix-shell 'ulimit' [usr/bin/mariadbd-safe:832]
 * I: mariadb-server-core: bash-term-in-posix-shell 'source tree,' [usr/bin/mariadb-install-db:93]
 * I: mariadb-test-data: bash-term-in-posix-shell '${BASH_VERSION' [usr/share/mysql/mysql-test/std_data/wsrep_notify.sh:87]
 * I: mariadb-test-data: bash-term-in-posix-shell '${BASH_VERSION' [usr/share/mysql/mysql-test/std_data/wsrep_notify_ssl.sh:87]