Make sure readme is up to date (#15)

README.md

@@ -1,11 +1,15 @@
 # Duckup
 
-Just install the latest version of duckdb in my `~/.local/bin`. Designed for linux, since duckdb CLI can't yet be installed via a linux package manager.
+Since duckdb CLI can't yet be installed via a linux package manager, this will install the latest version of the duckdb CLI on your computer. Default location is `~/.local/bin/`, but you can choose your own location with the `--folder_path` option.
 
-Currently very dangerous: it just sticks it in `~/.local/bin/duckdb`, overwriting anything that might have been there. Use with great caution.
+Use with caution, it will overwrite an existing binary.
+
+## Goals
+
+It would be nice to eventually make this tool work like the wonderful [`rustup`](https://github.com/rust-lang/rustup) and [`juliaup`](https://github.com/JuliaLang/juliaup) tools. However, there is a very long way to go to reach that.
 
 ## Use
 1. Have the [rust toolchain](https://www.rust-lang.org/tools/install) installed
 1. Run `cargo install duckup`
 1. Run `duckup` for help message
-1. Run `duckup update` to install the latest version of the duckdb CLI into `~/.local/bin`
+1. Run `duckup update` to install the latest version of the duckdb CLI into `~/.local/bin`. Run `duckup update --folder_path /path/to/desired/location/` to install to a location of your choice.

src/main.rs

@@ -300,13 +300,6 @@ fn update(dest_folder: &Path) -> Result<()> {
     perms.set_mode(0o755);
     std::fs::set_permissions(&executable_file, perms).context("failed to set permissions")?;
     println!("Successfully set permissions");
-    // std::process::Command::new("chmod")
-    //     .args([
-    //         "+x",
-    //         dest_folder.to_str().expect("Failed to convert to &str"),
-    //     ])
-    //     .status()
-    //     .expect("Unable to set permissions");
 
     Ok(())
 }