#!/bin/bash
# this program is licenced under 0bsd
verbose="false"
if [ "$0" = "-v" ] || [ "$1" = "-v" ]; then
  verbose="true"
fi
for i in curl tar zcat make gcc install bash gum; do
  if ! command -v $i >/dev/null 2>&1; then
    echo "$i not found."
    exit 1
  fi
done
if $verbose; then
  printf "Installing musl... Downloading\r"
  curl -fL 'https://musl.libc.org/releases/musl-1.2.5.tar.gz' | tar -xvz
else
  curl -fsSL 'https://musl.libc.org/releases/musl-1.2.5.tar.gz' | gum spin --title='Installing musl... Downloading' -- tar -xz
fi
cd musl-1.2.5
if $verbose; then
  gum spin --show-output --title="Installing musl... Configuring" -- ./configure "--prefix=$HOME/.musl" "--exec-prefix=$HOME/.musl" "--syslibdir=$HOME/.musl/lib" "--enable-wrapper=all"
else
  gum spin --title="Installing musl... Configuring" -- ./configure "--prefix=$HOME/.musl" "--exec-prefix=$HOME/.musl" "--syslibdir=$HOME/.musl/lib" "--enable-wrapper=all"
fi
if $verbose; then
  gum spin --title="Installing musl... Compiling" --show-output -- make -j$(nproc)
else
  gum spin --title="Installing musl... Compiling" -- make -j$(nproc)
fi
mkdir -p "$HOME/.musl"
if $verbose; then
  gum spin --title="Installing musl... Installing" --show-output -- make install
else
  gum spin --title="Installing musl... Installing" -- make install
fi
ln -s "$HOME/.musl/lib/libc.so" "$HOME/.musl/bin/musl-ldd"
printf "Installing musl... Cleaning up          \r"
cd ..
rm -rf musl-1.2.5
echo "Musl has been installed to ~/.musl; please add ~/.musl/bin to your PATH."
echo "To uninstall, remove it from PATH and delete the ~/.musl folder"
echo 'Example compiling command: CC="musl-gcc -static" ./configure --prefix=$HOME/.musl && make'
echo "Remove the prefix change if you are distributing your compiled files."