local url="$1"

local output="$2"

local show_progress="${3:-false}"

if [ "$DOWNLOADER" = "curl" ]; then

if [ -n "$output" ]; then

if [ "$show_progress" = "true" ]; then

curl -fL --progress-bar -o "$output" "$url"

else

curl -fsSL -o "$output" "$url"

fi

else

curl -fsSL "$url"

fi

elif [ "$DOWNLOADER" = "wget" ]; then

if [ -n "$output" ]; then

if [ "$show_progress" = "true" ]; then

wget --show-progress -q -O "$output" "$url"

else

wget -q -O "$output" "$url"

fi

else

wget -q -O - "$url"

fi

else

return 1

fi

local yaml="$1"

local target_arch="$2"

# Find the line with the target arch and extract sha512 from preceding lines

local in_target_block=false

local sha512=""

while IFS= read -r line; do

# Check if we're entering a new file entry

if [[ $line =~ ^[[:space:]]*-[[:space:]]*url: ]]; then

in_target_block=false

sha512=""

fi

# Extract sha512

if [[ $line =~ sha512:[[:space:]]*(.+) ]]; then

sha512="${BASH_REMATCH[1]}"

fi

# Check arch

if [[ $line =~ arch:[[:space:]]*(.+) ]]; then

local arch="${BASH_REMATCH[1]}"

if [ "$arch" = "$target_arch" ] && [ -n "$sha512" ]; then

echo "$sha512"

return 0

fi

fi

done <<< "$yaml"

return 1

local yaml="$1"

local target_arch="$2"

local url=""

while IFS= read -r line; do

# Check if we're entering a new file entry

if [[ $line =~ ^[[:space:]]*-[[:space:]]*url:[[:space:]]*(.+) ]]; then

url="${BASH_REMATCH[1]}"

fi

# Check arch

if [[ $line =~ arch:[[:space:]]*(.+) ]]; then

local arch="${BASH_REMATCH[1]}"

if [ "$arch" = "$target_arch" ] && [ -n "$url" ]; then

echo "$url"

return 0

fi

fi

done <<< "$yaml"

return 1