21 lines
732 B
Bash
Executable File
21 lines
732 B
Bash
Executable File
#! /bin/bash
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# ? This is done to ignore the message "Make sure not to read and write
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# ? the same file in the same pipeline", which is a result of ${DATABASE}
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# ? being used below. (This disables the message file-wide.)
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# shellcheck disable=SC2094
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# shellcheck source=../scripts/helper-functions.sh
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. /usr/local/bin/helper-functions.sh
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DATABASE=${DATABASE:-/tmp/docker-mailserver/postfix-accounts.cf}
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[[ -f ${DATABASE} ]] || errex "Error: No postfix-virtual.cf file"
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[[ -s ${DATABASE} ]] || errex "Error: Empty postfix-virtual.cf - no aliases have been added"
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# Lock database even though we are only reading
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(
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flock -e 200
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( grep -v "^\s*$\|^\s*\#" "${DATABASE}" || true ) | awk -F '|' '{ print $1; }'
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) 200< "${DATABASE}"
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