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Complete Refactor for target/bin (#1654)

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* documentation and script updates trying to fix #1647
* preparations for refactoring target/bin/
* complete refactor for target/bin/
* changing script output slightly
* outsourcing functions in `bin-helper.sh`
* re-wrote linting to allow for proper shellcheck -x execution
* show explanation for shellcheck ignore
* adding some more information
This commit is contained in:
Georg Lauterbach 2020-10-21 18:16:32 +02:00 • committed by GitHub
parent 0ada57d87c
commit da8171388f
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37 changed files with 579 additions and 504 deletions
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22
target/bin/listmailuser
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@ -1,18 +1,20 @@
#! /bin/bash
# ? This is done to ignore the message "Make sure not to read and write
# ? the same file in the same pipeline", which is a result of ${DATABASE}
# ? being used below. (This disables the message file-wide.)
# shellcheck disable=SC2094
# shellcheck source=../bin-helper.sh
. /usr/local/bin/bin-helper.sh
DATABASE=${DATABASE:-/tmp/docker-mailserver/postfix-accounts.cf}
errex() {
echo "$@" 1>&2
exit 1
}
[ -f $DATABASE ] || errex "No postfix-accounts.cf file"
[ -s $DATABASE ] || errex "Empty postfix-accounts.cf - no users have been added"
[[ -f ${DATABASE} ]] || errex "Error: No postfix-virtual.cf file"
[[ -s ${DATABASE} ]] || errex "Error: Empty postfix-virtual.cf - no aliases have been added"
# Lock database even though we are only reading
(
flock -e 200
(grep -v "^\s*$\|^\s*\#" "$DATABASE" || true) | awk -F '|' '{ print $1; }'
) 200<$DATABASE
( grep -v "^\s*$\|^\s*\#" "${DATABASE}" || true ) | awk -F '|' '{ print $1; }'
) 200< "${DATABASE}"