lol i tried to make a yaml parser in bash like 10 years ago. it sorta works as long as you aren't trying to go beyond 2 nested levels

.bash_functions

#######################
# YAML parser for BASH!
#######################

parse_yml() {
    local prefix=$2
    local s
    local w
    local fs
    s='[[:space:]]*'
    w='[a-zA-Z0-9_]*'
    fs="$(echo @|tr @ '\034')"
    sed -ne "s|^\($s\)\($w\)$s:$s\"\(.*\)\"$s\$|\1$fs\2$fs\3|p" \
        -e "s|^\($s\)\($w\)$s[:-]$s\(.*\)$s\$|\1$fs\2$fs\3|p" "$1" |
    awk -F"$fs" '{
      indent = length($1)/2;
      if (length($2) == 0) { conj[indent]="+";} else {conj[indent]="";}
      vname[indent] = $2;
      for (i in vname) {if (i > indent) {delete vname[i]}}
      if (length($3) > 0) {
              vn=""; for (i=0; i<indent; i++) {vn=(vn)(vname[i])("_")}
              printf("%s%s%s%s=(\"%s\")\n", "'"$prefix"'",vn, $2, conj[indent-1],$3);
      }
    }' | sed 's/_=/+=/g'
}


p_yaml() {
    local prefix=$2
    local s
    local w
    local fs
    s='[[:space:]]*'
    w='[a-zA-Z0-9_]*'
    fs="$(echo @|tr @ '\034')"
    sed -ne "s|^\($s\)\($w\)$s:$s\"\(.*\)\"$s\$|\1$fs\2$fs\3|p" \
        -e "s|^\($s\)\($w\)$s[:-]$s\(.*\)$s\$|\1$fs\2$fs\3|p" "$1" |
    awk -F"$fs" '{
    indent = length($1)/2;
    vname[indent] = $2;
    for (i in vname) {if (i > indent) {delete vname[i]}}
        if (length($3) > 0) {
            vn=""; for (i=0; i<indent; i++) {vn=(vn)(vname[i])("_")}
            printf("%s%s%s=(\"%s\")\n", "'"$prefix"'",vn, $2, $3);
        }
    }' | sed 's/_=/+=/g'
}



parse_yaml () {
   #[[ -n "$2" ]] && local prefix="$2" || {
   #local prefix=$(basename "$input")
   #prefix=${prefix%.*}
   #}

#   echo "declare -g -A $prefix;"

   local prefix=$2
   local s='[[:space:]]*' w='[a-zA-Z0-9_]*' fs=$(echo @|tr @ '\034')
   sed -ne "s|^\($s\):|\1|" \
        -e "s|^\($s\)\($w\)$s:$s[\"']\(.*\)[\"']$s\$|\1$fs\2$fs\3|p" \
        -e "s|^\($s\)\($w\)$s:$s\(.*\)$s\$|\1$fs\2$fs\3|p"  $1 |
   awk -F$fs '{
      indent = length($1)/2;
      vname[indent] = $2;
      for (i in vname) {if (i > indent) {delete vname[i]}}
      if (length($3) > 0) {
         vn=""; for (i=0; i<indent; i++) {vn=(vn)(vname[i])("_")}
         printf("%s%s%s=\"%s\"\n", "'$prefix'",vn, $2, $3);
      }
   }'
}

#yams() {
# eval $(parse_yaml "$@" "Config_")
# echo $Config_$2
#}


# parse_yaml() {
#    local prefix=$2
#    local s='[[:space:]]*' w='[a-zA-Z0-9_]*' fs=$(echo @|tr @ '\034')
#    sed -ne "s|^\($s\)\($w\)$s:$s\"\(.*\)\"$s\$|\1$fs\2$fs\3|p" \
#         -e "s|^\($s\)\($w\)$s:$s\(.*\)$s\$|\1$fs\2$fs\3|p"  $1 |
#    awk -F$fs '{
#       indent = length($1)/2;
#       vname[indent] = $2;
#       for (i in vname) {if (i > indent) {delete vname[i]}}
#       if (length($3) > 0) {
#          vn=""; for (i=0; i<indent; i++) {vn=(vn)(vname[i])("_")}
#          printf("%s%s%s=\"%s\"\n", "'$prefix'",vn, $2, $3);
#       }
#    }'
# }