Extract build-time generation code into separate crate

1 files changed, 36 insertions, 0 deletions

diff --git a/gen/src/gen_iscc_script.rs b/gen/src/gen_iscc_script.rs
new file mode 100644
index 0000000..eabaab3
--- /dev/null
+++ b/gen/src/gen_iscc_script.rs
@@ -0,0 +1,36 @@
+use std::path::PathBuf;
+
+use just_template::{Template, tmpl_param};
+
+use crate::{
+    constants::{SETUP_JV_CLI_ISS, SETUP_JV_CLI_ISS_TEMPLATE},
+    env::{get_author, get_site, get_version},
+};
+
+/// Generate Inno Setup installer script (Windows only) using just_template
+pub async fn generate_installer_script(repo_root: &PathBuf) {
+    let template_path = repo_root.join(SETUP_JV_CLI_ISS_TEMPLATE);
+    let output_path = repo_root.join(SETUP_JV_CLI_ISS);
+
+    // Read the template
+    let template_content = tokio::fs::read_to_string(&template_path).await.unwrap();
+
+    // Get values for the template
+    let author = get_author().unwrap();
+    let version = get_version();
+    let site = get_site().unwrap();
+
+    // Create template
+    let mut template = Template::from(template_content);
+
+    // Set all parameters
+    tmpl_param!(template, version = version, author = author, site = site);
+
+    // Expand the template
+    let generated = template.expand().unwrap();
+
+    // Write the generated script
+    tokio::fs::write(output_path, generated).await.unwrap();
+
+    println!("Generated Inno Setup script using just_template");
+}