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appstore/apps/grocy/4.7.1/scripts/init.sh
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#!/usr/bin/env bash
set -euo pipefail
PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
export PATH
ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd -P)"
ENV_FILE="${ENV_FILE:-$ROOT_DIR/.env}"
fail() {
printf '%s\n' "$1" >&2
exit 1
}
read_env_value() {
local key="$1"
[[ -f "$ENV_FILE" ]] || return 0
local value
value="$(sed -n "s/^${key}=//p" "$ENV_FILE" | tail -n 1)"
case "$value" in
\"*\") value="${value#\"}"; value="${value%\"}" ;;
\'*\') value="${value#\'}"; value="${value%\'}" ;;
esac
printf '%s\n' "$value"
}
configured_value() {
local key="$1"
local default_value="$2"
local value
value="${!key:-}"
if [[ -z "$value" ]]; then
value="$(read_env_value "$key")"
fi
printf '%s\n' "${value:-$default_value}"
}
resolve_app_path() {
local key="$1"
local raw="$2"
local clean candidate resolved current part
local -a parts=()
case "$raw" in
""|/*|.|..|../*|*/../*|*/..) echo "unsafe ${key} path" >&2; return 1 ;;
esac
if [[ "$raw" =~ [[:cntrl:]] ]]; then
echo "unsafe ${key} path" >&2
return 1
fi
clean="${raw#./}"
[[ -n "$clean" ]] || { echo "unsafe ${key} path" >&2; return 1; }
command -v realpath >/dev/null 2>&1 || { echo "realpath is required" >&2; return 1; }
candidate="$ROOT_DIR/$clean"
resolved="$(realpath -m -- "$candidate")" || { echo "unsafe ${key} path" >&2; return 1; }
case "$resolved" in
"$ROOT_DIR"/*) ;;
*) echo "unsafe ${key} path" >&2; return 1 ;;
esac
current="$ROOT_DIR"
IFS='/' read -r -a parts <<< "$clean"
for part in "${parts[@]}"; do
[[ -z "$part" || "$part" == "." ]] && continue
current="$current/$part"
if [[ -L "$current" ]]; then
echo "unsafe ${key} path" >&2
return 1
fi
done
printf '%s\n' "$resolved"
}
PUID="$(configured_value PUID 1000)"
PGID="$(configured_value PGID 1000)"
[[ "$PUID" =~ ^[0-9]+$ ]] || fail "PUID must be numeric"
[[ "$PGID" =~ ^[0-9]+$ ]] || fail "PGID must be numeric"
DATA_DIR_RAW="$(configured_value APP_DATA_DIR ./data)"
DATA_DIR="$(resolve_app_path APP_DATA_DIR "$DATA_DIR_RAW")"
mkdir -p -- "$DATA_DIR"
[[ "$(resolve_app_path APP_DATA_DIR "$DATA_DIR_RAW")" == "$DATA_DIR" ]] || fail "unsafe APP_DATA_DIR path"
chown -R --no-dereference "$PUID:$PGID" "$DATA_DIR"