48 lines
1.7 KiB
Bash
48 lines
1.7 KiB
Bash
#!/bin/bash
|
|
|
|
# Robust .env file loader for backup scripts
|
|
# This handles comments, quotes, and special characters properly
|
|
|
|
load_env() {
|
|
local env_file="$1"
|
|
|
|
if [ ! -f "$env_file" ]; then
|
|
return 1
|
|
fi
|
|
|
|
# Read .env file line by line and export valid variables
|
|
while IFS= read -r line; do
|
|
# Skip empty lines and comments
|
|
if [[ -z "$line" || "$line" =~ ^[[:space:]]*# ]]; then
|
|
continue
|
|
fi
|
|
|
|
# Match valid environment variable pattern
|
|
if [[ "$line" =~ ^[A-Za-z_][A-Za-z0-9_]*= ]]; then
|
|
# Remove inline comments (everything after # that's not inside quotes)
|
|
local clean_line
|
|
if [[ "$line" =~ ^([^#]*[\"\']).*(#.*)$ ]]; then
|
|
# Line has quotes, need to be more careful with comment removal
|
|
clean_line="$line"
|
|
else
|
|
# Simple case, remove everything after #
|
|
clean_line="${line%%#*}"
|
|
fi
|
|
|
|
# Remove trailing whitespace
|
|
clean_line="${clean_line%"${clean_line##*[![:space:]]}"}"
|
|
|
|
# A quoted value: keep what is between the quotes (a password may hold # or spaces), drop the
|
|
# quotes and any comment after them. Without this the quotes became part of the value.
|
|
local key="${clean_line%%=*}" value="${clean_line#*=}"
|
|
if [[ "$value" =~ ^\"([^\"]*)\"([[:space:]]+#.*)?$ ]] || [[ "$value" =~ ^\'([^\']*)\'([[:space:]]+#.*)?$ ]]; then
|
|
clean_line="${key}=${BASH_REMATCH[1]}"
|
|
fi
|
|
|
|
# Export the variable
|
|
export "$clean_line"
|
|
fi
|
|
done < "$env_file"
|
|
|
|
return 0
|
|
} |