265 lines
5.2 KiB
Bash
265 lines
5.2 KiB
Bash
#!/bin/sh
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volume_root='/run/angie'
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tmp_dir="${volume_root}/tmp"
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merged_root="${volume_root}/merged"
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target_root="${volume_root}"
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empty_dir='/var/lib/empty'
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have_envvar() {
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[ -n "$1" ] || return 1
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grep -Ezq "^$1=" /proc/$$/environ || return
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}
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## unexporting variable in (POSIX) sh is PITA =/
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unexport() {
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local ___k ___v
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for ___k ; do
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[ -n "${___k}" ] || continue
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have_envvar "${___k}" || continue
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___v=$(eval printf '%s' "\"\${${___k}}\"")
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eval "unset ${___k}"
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eval "${___k}=$(env printf '%s' \"\${___v}\")"
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done
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}
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## likely the same as in https://pkg.go.dev/strconv#ParseBool
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gobool_to_int() {
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## local value=$1
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## local default=$2
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case "${1:-_}" in
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1 | [Tt] | [Tt][Rr][Uu][Ee] ) echo 1 ;;
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0 | [Ff] | [Ff][Aa][Ll][Ss][Ee] ) echo 0 ;;
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* ) echo "${2:-error}" ;;
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esac
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}
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[ -n "${__IEP_SRC:-}" ] || __IEP_SRC="$0"
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log_always() {
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if [ "${IEP_DEBUG}" = 1 ] ; then
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echo "# $(date +'%Y-%m-%d %H:%M:%S.%03N %z'): ${__IEP_SRC}${*:+: $*}"
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else
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echo "# ${__IEP_SRC}${*:+: $*}"
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fi >&2
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}
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log() {
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[ "${IEP_VERBOSE}" = 0 ] || log_always "$@"
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}
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ln_s() {
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if [ "${IEP_VERBOSE}" = 0 ] ; then
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ln -s "$@" || return
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else
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ln -sv "$@" || return
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fi
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}
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cp_a() {
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if [ "${IEP_VERBOSE}" = 0 ] ; then
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cp -a "$@" || return
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else
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cp -av "$@" || return
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fi
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}
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ln_cp() {
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if [ -h "$1" ] ; then
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ln_s "$(readlink -e "$1")" "$2"
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else
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cp_a "$1" "$2"
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fi
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}
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have_cmd() { command -v "$1" >/dev/null 2>&1 || return ; }
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strip_suffix() { printf '%s' "${1%"$2"}" | tr -s '/' ; }
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install_userdir() {
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if [ "${IEP_ROOT}" = 1 ] ; then
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install -d -o "${NGX_USER}" -g "${NGX_GROUP}" "$@"
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else
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install -d "$@"
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fi
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}
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expand_file_envsubst() {
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local __ret __src __dst
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__ret=0
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for __src ; do
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[ -n "${__src}" ] || continue
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if ! [ -f "${__src}" ] ; then
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__ret=1
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log_always "file not found: ${__src}"
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continue
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fi
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case "${__src}" in
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*.in ) ;;
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* )
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__ret=1
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log "expand_file_envsubst: file name extension mismatch: ${__src}"
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continue
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;;
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esac
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__dst=$(strip_suffix "${__src}" '.in')
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if [ -e "${__dst}" ] ; then
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__ret=1
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log "expand_file_envsubst: destination file already exists: ${__dst}"
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continue
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fi
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log "Running envsubst: ${__src} -> ${__dst}"
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envsubst.sh < "${__src}" > "${__dst}" || __ret=1
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done
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return ${__ret}
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}
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expand_file_j2cfg() {
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j2cfg-single "$@" || return $?
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}
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expand_dir_envsubst() {
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local __template_list __have_args __ret __orig_file
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__template_list=$(mktemp) || return
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find "$@" -follow -name '*.in' -type f \
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| {
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if [ -n "${NGX_TEMPLATE_EXCLUDE_REGEX:-}" ] ; then
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grep -Ev -e "${NGX_TEMPLATE_EXCLUDE_REGEX}"
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elif [ -n "${NGX_TEMPLATE_INCLUDE_REGEX:-}" ] ; then
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grep -E -e "${NGX_TEMPLATE_INCLUDE_REGEX}"
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else
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cat
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fi
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} \
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| sort -uV > "${__template_list}"
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__ret=0
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if [ -s "${__template_list}" ] ; then
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__have_args="${ENVSUBST_ARGS:+1}"
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if [ -z "${__have_args}" ] ; then
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## optimize envsubst.sh invocation by caching argument list
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## ref: envsubst.sh
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ENVSUBST_ARGS=$(mktemp) || return
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envsubst-args.sh > "${ENVSUBST_ARGS}"
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export ENVSUBST_ARGS
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fi
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while read -r __orig_file ; do
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[ -n "${__orig_file}" ] || continue
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expand_file_envsubst "${__orig_file}" || __ret=1
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done < "${__template_list}"
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if [ -z "${__have_args}" ] ; then
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rm -f "${ENVSUBST_ARGS}" ; unset ENVSUBST_ARGS
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fi
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unset __have_args
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fi
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rm -f "${__template_list}" ; unset __template_list
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return ${__ret}
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}
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expand_dir_j2cfg() {
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local __template_list __ret
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__template_list=$(mktemp) || return
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find "$@" -follow -name '*.j2' -type f -printf '%p\0' \
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| {
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if [ -n "${NGX_TEMPLATE_EXCLUDE_REGEX:-}" ] ; then
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grep -zEv -e "${NGX_TEMPLATE_EXCLUDE_REGEX}"
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elif [ -n "${NGX_TEMPLATE_INCLUDE_REGEX:-}" ] ; then
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grep -zE -e "${NGX_TEMPLATE_INCLUDE_REGEX}"
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else
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cat
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fi
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} \
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| sort -zuV > "${__template_list}"
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__ret=0
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if [ -s "${__template_list}" ] ; then
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xargs -0r -n 1000 -a "${__template_list}" \
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j2cfg-multi < /dev/null || __ret=1
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fi
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rm -f "${__template_list}" ; unset __template_list
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return ${__ret}
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}
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is_builtin_module() {
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[ -n "${1:-}" ] || return 1
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[ -n "${2:-}" ] || return 1
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[ -f "/etc/angie/builtin.$1" ] || return 1
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[ -s "/etc/angie/builtin.$1" ] || return 1
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grep -Fxq -e "$2" "/etc/angie/builtin.$1" || return 1
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}
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append_list() {
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if [ -n "$2" ] ; then
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printf '%s' "${1:-}${1:+ }$2"
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else
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printf '%s' "$1"
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fi
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}
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prepend_list() {
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if [ -n "$2" ] ; then
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printf '%s' "$2${1:+ }${1:-}"
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else
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printf '%s' "$1"
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fi
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}
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list_have_item() {
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[ -n "$1" ] || return 1
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[ -n "$2" ] || return 1
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case " $1 " in
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*" $2 "* ) return 0 ;;
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* ) return 1 ;;
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esac
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}
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normalize_list() {
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[ -n "$1" ] || return 0
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printf '%s' "$1" \
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| sed -zE 's/[[:space:]]+/ /g;s/^ //;s/ $//'
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}
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sort_dedup_list() {
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[ -n "$1" ] || return 0
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printf '%s' "$1" \
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| tr -s '[:space:]' '\n' | sort -uV \
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| sed -zE 's/[[:space:]]+/ /g;s/^ //;s/ $//'
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}
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float_div() {
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mawk -v "a=$1" -v "b=$2" 'BEGIN{print a/b;exit;}' </dev/null
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}
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find_fast() {
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find "$@" -printf . -quit | grep -Fq .
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}
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randN() {
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od -v -A n -t x1 -N "$1" < /dev/urandom | tr -d '[:space:]'
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}
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re_ipv4_oct='[0-9]|[1-9][0-9]|[1-9][0-9][0-9]|2[0-4][0-9]|25[0-5]'
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re_ipv4_addr="^${re_ipv4_oct}\.${re_ipv4_oct}\.${re_ipv4_oct}\.${re_ipv4_oct}\$"
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is_ipv4_address() {
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[ -n "$1" ] || return 1
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printf '%s' "$1" | grep -zEq "${re_ipv4_addr}" || return 1
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} |