40 lines
946 B
Bash
Executable File
40 lines
946 B
Bash
Executable File
#!/usr/bin/env bash
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set -eu
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if [[ $# == 0 ]]; then
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FILES=(-)
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else
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FILES=("${@}")
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fi
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CUR_DIR=$(dirname ${BASH_SOURCE[0]})
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for FILE in "${FILES[@]}"; do
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if [ "${FILE}" == "-" ]; then
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FILE=/dev/stdin
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fi
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while IFS='' read -r LINE || [ -n "${LINE}" ]; do
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#My template substitution
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while [[ "$LINE" =~ (\[\{)([A-Za-z0-9_]*)(\}\]) ]]; do
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LINE=${LINE/"${BASH_REMATCH[0]}"/${!BASH_REMATCH[2]-}}
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done
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#My SOURCE substitution
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if echo $LINE | grep -q ^SOURCE; then
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SOURCE=$(echo "${LINE}" | sed -E 's|^SOURCE[ ]+(.*)|\1|')
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if [ "${SOURCE:0:1}" != "/" ] && [ -f "${CUR_DIR}/${SOURCE}" ]; then
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SOURCE="${CUR_DIR}/${SOURCE}"
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fi
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if [ ! -f "${SOURCE}" ]; then
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echo "Could not find a readable ${SOURCE}" >& 2
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exit 1
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fi
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"${BASH_SOURCE[0]}" "${SOURCE}" | grep -vi '^FROM' | grep -vi '^MAINTAINER'
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else
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echo "${LINE}"
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fi
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done < ${FILE}
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done
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