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# Copyright (C) 2021 Wojtek Kosior
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# Redistribution terms are gathered in the `copyright' file.
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# This file is meant to be sourced in sh.
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map_set_instr() {
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printf "%s__%s='%s'" "$1" "$2" "$3"
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}
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map_set() {
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eval "$(map_set_instr "$@")"
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}
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map_set_export() {
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eval "export $(map_set_instr "$@")"
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}
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map_get() {
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eval "printf %s \"\$$1__$2\""
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}
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map_del_instr() {
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printf 'unset %s__%s' "$1" "$2"
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}
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map_del() {
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eval "$(map_del_instr "$@")"
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}
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sanitize() {
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printf %s "$1" | tr /.- _
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}
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escape_regex_special() {
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printf %s "$1" | sed 's/\([]\.*?{},()[-]\)/\\\1/g'
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}
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# Note: We don't actually parse JSON. We extract needed keys with sed regexes
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# which does not work in the general case but is sufficient for now.
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get_json_key() {
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local KEY_REG="$(escape_regex_special "$1")"
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printf %s "$2" |
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sed 's/\(.*"'"$KEY_REG"'"[[:space:]]*:[[:space:]]*"\([^"]*\)"\)\?.*/\2/' |
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grep . | head -1
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}
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