Use a Rust binary to expose Ribasim CLI

- libribasim and ribasim_cli can share the same libraries
- we get `ribasim.exe` instead of `ribasim.cmd`

build/cli_wrapper/Cargo.toml

@@ -0,0 +1,7 @@
+[package]
+name = "ribasim"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]

build/cli_wrapper/src/main.rs

@@ -0,0 +1,29 @@
+use std::env;
+
+fn main() {
+    // Get the path to the directory containing the current executable
+    let exe_dir = env::current_exe().unwrap().parent().unwrap().to_owned();
+
+    // Set the appropriate environment variable for the current platform
+    if std::env::consts::OS == "windows" {
+        env::set_var(
+            "PATH",
+            format!(
+                "{};{}",
+                exe_dir.join("bin").display(),
+                env::var("PATH").unwrap_or_default()
+            ),
+        );
+    }
+
+    // TODO: Do I need to set LD_LIBRARY_PATH on linux?
+
+    // Get the command line arguments
+    let args: Vec<String> = std::env::args().skip(1).collect();
+
+    // Parse command line arguments
+    todo!();
+
+    // Call ribasim shared library and check for errors
+    todo!()
+}

build/src/create_app.jl

@@ -29,31 +29,22 @@ function build_app()
     output_dir = "ribasim_cli"
     git_repo = ".."
 
-    create_app(
-        project_dir,
-        output_dir;
-        # map from binary name to julia function name
-        executables = ["ribasim" => "main"],
-        precompile_execution_file = "precompile.jl",
-        include_lazy_artifacts = false,
-        include_transitive_dependencies = false,
-        include_preferences = true,
-        force = true,
-    )
-
-    readme = @doc(build_app)
-    add_metadata(project_dir, license_file, output_dir, git_repo, readme)
-
-    # On Windows, write ribasim.cmd in the output_dir, that starts ribasim.exe.
-    # Since the bin dir contains a julia.exe and many DLLs that you may not want in your path,
-    # with this script you can put output_dir in your path instead.
-    if Sys.iswindows()
-        cmd = raw"""
-        @echo off
-        "%~dp0bin\ribasim.exe" %*
-        """
-        open(normpath(output_dir, "ribasim.cmd"); write = true) do io
-            print(io, cmd)
-        end
-    end
+    # create_app(
+    #     project_dir,
+    #     output_dir;
+    #     # map from binary name to julia function name
+    #     executables = ["ribasim" => "main"],
+    #     precompile_execution_file = "precompile.jl",
+    #     include_lazy_artifacts = false,
+    #     include_transitive_dependencies = false,
+    #     include_preferences = true,
+    #     force = true,
+    # )
+
+    # readme = @doc(build_app)
+    # add_metadata(project_dir, license_file, output_dir, git_repo, readme)
+
+    run(Cmd(`cargo build --release`; dir = "cli_wrapper"))
+    ribasim = Sys.iswindows() ? "ribasim.exe" : "ribasim"
+    cp("cli_wrapper/target/release/$ribasim", "libribasim/$ribasim"; force = true)
 end