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https://github.com/dredx/prole.git
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79 lines
2.1 KiB
Bash
79 lines
2.1 KiB
Bash
#!/usr/bin/env bash
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# Standard include for Prole etc scripts.
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# - Loads values from PROLE_CONF/prole.cfg (INI-style)
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# - Does not override already-set env vars
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if [[ "${_PROLE_CFG_LOADED:-}" == "1" ]]; then
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return 0 2>/dev/null || true
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fi
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_PROLE_CFG_LOADED=1
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_prole_cfg_script_dir=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
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_prole_cfg_home_guess=$(cd "$_prole_cfg_script_dir/.." && pwd)
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_prole_trim() {
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local s="$1"
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s="${s#"${s%%[![:space:]]*}"}"
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s="${s%"${s##*[![:space:]]}"}"
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printf '%s' "$s"
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}
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_PROLE_CFG_SET_VARS="|"
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_prole_cfg_set_default() {
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local key="$1" value="$2" token="|$key|"
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if [[ -z "${!key:-}" || "$_PROLE_CFG_SET_VARS" == *"$token"* ]]; then
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printf -v "$key" '%s' "$value"
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export "$key"
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if [[ "$_PROLE_CFG_SET_VARS" != *"$token"* ]]; then
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_PROLE_CFG_SET_VARS="${_PROLE_CFG_SET_VARS}${key}|"
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fi
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fi
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}
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_prole_read_cfg() {
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local cfg="$1" line key value
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while IFS= read -r line || [[ -n "$line" ]]; do
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line="$(_prole_trim "$line")"
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[[ -z "$line" ]] && continue
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case "$line" in
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\#*|\;*|\[*\])
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continue
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;;
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esac
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if [[ "$line" == *"="* ]]; then
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key="$(_prole_trim "${line%%=*}")"
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value="$(_prole_trim "${line#*=}")"
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[[ -z "$key" ]] && continue
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_prole_cfg_set_default "$key" "$value"
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fi
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done <"$cfg"
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}
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_prole_cfg_file=""
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if [[ -n "${PROLE_CONF:-}" && -f "$PROLE_CONF/prole.cfg" ]]; then
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_prole_cfg_file="$PROLE_CONF/prole.cfg"
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elif [[ -n "${PROLE_HOME:-}" && -f "$PROLE_HOME/conf/prole.cfg" ]]; then
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_prole_cfg_file="$PROLE_HOME/conf/prole.cfg"
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elif [[ -f "$_prole_cfg_home_guess/conf/prole.cfg" ]]; then
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_prole_cfg_file="$_prole_cfg_home_guess/conf/prole.cfg"
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fi
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if [[ -n "$_prole_cfg_file" ]]; then
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if [[ -z "${PROLE_CONF:-}" ]]; then
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PROLE_CONF=$(cd "$(dirname "$_prole_cfg_file")" && pwd)
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export PROLE_CONF
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fi
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_prole_read_cfg "$_prole_cfg_file"
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fi
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if [[ -z "${PROLE_HOME:-}" && -d "$_prole_cfg_home_guess" ]]; then
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PROLE_HOME="$_prole_cfg_home_guess"
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export PROLE_HOME
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fi
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unset _prole_cfg_script_dir
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unset _prole_cfg_home_guess
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unset _prole_cfg_file
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unset _PROLE_CFG_SET_VARS
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