mirror of
https://github.com/cytopia/devilbox.git
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60 lines
1.6 KiB
Bash
Executable File
60 lines
1.6 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -e
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set -u
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set -o pipefail
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SCRIPT_PATH="$( cd "$(dirname "$0")" && pwd -P )"
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DVLBOX_PATH="$( cd "${SCRIPT_PATH}/../.." && pwd -P )"
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# shellcheck disable=SC1090
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. "${SCRIPT_PATH}/.lib.sh"
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# -------------------------------------------------------------------------------------------------
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# Pre-check
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# -------------------------------------------------------------------------------------------------
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if [ "${#}" -ne "1" ]; then
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>&2 echo "Error, requires one argument: <DIRECTIVE>"
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exit 1
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fi
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if ! command -v awk >/dev/null 2>&1; then
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>&2 echo "Error 'awk' binary not found, but required."
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exit 1
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fi
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# -------------------------------------------------------------------------------------------------
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# FUNCTIONS
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# -------------------------------------------------------------------------------------------------
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env_get() {
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local env_path="${1}"
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local directive="${2}"
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if [ ! -f "${env_path}" ]; then
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>&2 echo "Error, .env file does not exist in: ${env_path}"
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return 1
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fi
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if ! grep -Eq "^${directive}=" "${env_path}"; then
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>&2 echo "Error, directive does not exist in .env: ${directive}"
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return 1
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fi
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if [ "$( grep -Ec "^${directive}=" "${env_path}" )" -ne "1" ]; then
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>&2 echo "Error, directive exists multiple times in .env: ${directive}"
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return 1
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fi
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grep -E "^${directive}=.*\$" "${env_path}" \
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| awk -F'=' '{for (i=2; i<NF; i++) printf $i "="; print $NF}'
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}
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# -------------------------------------------------------------------------------------------------
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# ENTRYPOINT
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# -------------------------------------------------------------------------------------------------
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env_get "${DVLBOX_PATH}/.env" "${1}"
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