69 lines
1.9 KiB
Bash
69 lines
1.9 KiB
Bash
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#!/usr/bin/env bash
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# -*- mode: sh; tab-width: 8; coding: utf-8-unix -*-
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# shellcheck disable=SC1003
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prog=$( basename $0 .bash )
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ROLE=base
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# github.com/jasperes/bash-yaml/script/yaml.sh
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# Based on https://gist.github.com/pkuczynski/8665367
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parse_yaml() {
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local yaml_file=$1
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local prefix=$2
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local s
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local w
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local fs
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s='[[:space:]]*'
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w='[a-zA-Z0-9_.-]*'
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fs="$(echo @|tr @ '\034')"
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(
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sed -e '/- [^\“]'"[^\']"'.*: /s|\([ ]*\)- \([[:space:]]*\)|\1-\'$'\n'' \1\2|g' |
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sed -ne '/^--/s|--||g; s|\"|\\\"|g; s/[[:space:]]*$//g;' \
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-e "/#.*[\"\']/!s| #.*||g; /^#/s|#.*||g;" \
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-e "s|^\($s\)\($w\)$s:$s\"\(.*\)\"$s\$|\1$fs\2$fs\3|p" \
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-e "s|^\($s\)\($w\)${s}[:-]$s\(.*\)$s\$|\1$fs\2$fs\3|p" |
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awk -F"$fs" '{
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indent = length($1)/2;
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if (length($2) == 0) { conj[indent]="+";} else {conj[indent]="";}
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vname[indent] = $2;
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for (i in vname) {if (i > indent) {delete vname[i]}}
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if (length($3) > 0) {
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vn=""; for (i=0; i<indent; i++) {vn=(vn)(vname[i])("_")}
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printf("%s%s%s%s=(\"%s\")\n", "'"$prefix"'",vn, $2, conj[indent-1],$3);
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}
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}' |
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sed -e 's/_=/+=/g' |
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awk 'BEGIN {
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FS="=";
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OFS="="
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}
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/(-|\.).*=/ {
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gsub("-|\\.", "_", $1)
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}
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{ print }'
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) < "$yaml_file"
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}
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create_variables() {
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local yaml_file="$1"
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local prefix="$2"
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eval $(parse_yaml "$yaml_file" "$prefix")
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}
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if [ -x /usr/bin/basename ] && [ $( basename -- $0 ) = 'yaml_to_bash3.bash' -o $( basename -- $0 ) = 'parse_yaml3.sh' ] ; then
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[ "$#" -eq 0 ] && echo "USAGE: $0 yamlfile [ prefix ]" && exit 1
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file=$1
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shift
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[ "$#" -gt 1 ] && prefix=$1 || prefix=""
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echo "DEBUG: $file $prefix"
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create_variables $file $prefix
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fi
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