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32 lines
1.1 KiB
Bash
Executable File
32 lines
1.1 KiB
Bash
Executable File
#!/bin/bash
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#WARNING: Used for core functionality in setup.sh
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# DO NOT rename the script and test changes well!
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# Folders always ends with an tailing '/'
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_SCRIPT="$(readlink -f "${0}" 2> /dev/null)"
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_CORE_SCRIPTS="$(dirname ${_SCRIPT:?"Missing SCRIPT"} 2> /dev/null)/"
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_CIS_ROOT="$(dirname ${_CORE_SCRIPTS:?"Missing CORE_SCRIPTS"} 2> /dev/null)/"
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_OVERRIDE_DOMAIN_FILE="${_CIS_ROOT:?"Missing CIS_ROOT"}overrideOwnDomain"
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# There has to be one dot at least.
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_BOOT_DOMAIN="$(hostname -b | grep -F '.' | cut -d. -f2-)"
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# Take OVERRIDING_DOMAIN_FILE without empty lines and comments, then take the first line without leading spaces
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_OVERRIDE_DOMAIN="$(grep -vE '^[[:space:]]*$|^[[:space:]]*#' "${_OVERRIDE_DOMAIN_FILE}" 2> /dev/null | head -n 1 | xargs)"
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! [ -z "${_OVERRIDE_DOMAIN}" ] \
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&& [ "${_OVERRIDE_DOMAIN}" != "${_BOOT_DOMAIN}" ] \
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&& echo "WARNING: Domain has been overridden by: ${_OVERRIDE_DOMAIN_FILE}" >&2 \
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&& echo "${_OVERRIDE_DOMAIN}" \
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&& exit 0
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! [ -z "${_BOOT_DOMAIN}" ] \
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&& echo "${_BOOT_DOMAIN}" \
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&& exit 0
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echo "It was impossible to find out the domain of this host, please prepare this host first." >&2
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exit 1
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