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https://github.com/nickyeoman/docker-compose-cookbooks.git
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24 lines
782 B
Bash
24 lines
782 B
Bash
#!/bin/bash
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BLDR_ENV_FILE+="# $BLDR_APP\n"
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BLDR_ENV_FILE+="COOKBOOK=$BLDR_PARENT_PATH #HELP: cookbooks\n"
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while IFS= read -r line; do
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# Use a regex to match and extract variable names and defaults
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if [[ $line =~ \$\{([A-Za-z_][A-Za-z0-9_]*)\} ]]; then
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# Matched ${VAR_NAME} (without default)
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var_name="${BASH_REMATCH[1]}"
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BLDR_ENV_FILE+="${var_name}=\n"
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elif [[ $line =~ \$\{([A-Za-z_][A-Za-z0-9_]*)[:-](.*)\} ]]; then
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# Matched ${VAR_DEF:-default} (with default)
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var_name="${BASH_REMATCH[1]}"
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default_value="${BASH_REMATCH[2]:1}"
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BLDR_ENV_FILE+="${var_name}=${default_value}\n"
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fi
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done <<< "$BLDR_NEW_DCF"
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# Remove duplicates from the output
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BLDR_ENV_FILE=$(echo -e "$BLDR_ENV_FILE" | sort -u)
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echo "$BLDR_ENV_FILE" > ${BLDR_DIR}/sample.env
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