Add Windows installer script generation to build process

- Generate Inno Setup installer script from template at build time
- Extract author and homepage from Cargo.toml for script customization
- Add generated installer script to .gitignore to avoid committing build
  artifacts

4 files changed, 72 insertions, 3 deletions

diff --git a/.gitignore b/.gitignore
index a3e2496..e00561c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -22,3 +22,6 @@
 
 # Compile info
 /src/data/compile_info.rs
+
+# Setup script
+/setup/windows/setup_jv_cli.iss
diff --git a/Cargo.toml b/Cargo.toml
index 92ed9ed..524c96a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -2,6 +2,8 @@
 name = "just_enough_vcs_cli"
 edition = "2024"
 build = "build.rs"
+authors = ["JustEnoughVCS Team"]
+homepage = "http://jvcs.cc/"
 
 [workspace]
 members = ["crates/build_helper"]
diff --git a/build.rs b/build.rs
index 04fcd71..e215418 100644
--- a/build.rs
+++ b/build.rs
@@ -7,12 +7,76 @@ const COMPILE_INFO_RS_TEMPLATE: &str = "./src/data/compile_info.rs.template";
 fn main() {
     let repo_root = PathBuf::from(env::var("CARGO_MANIFEST_DIR").unwrap());
 
+    // Only generate installer script on Windows
+    if cfg!(target_os = "windows") {
+        if let Err(e) = generate_installer_script(&repo_root) {
+            eprintln!("Failed to generate installer script: {}", e);
+            std::process::exit(1);
+        }
+    }
+
     if let Err(e) = generate_compile_info(&repo_root) {
         eprintln!("Failed to generate compile info: {}", e);
         std::process::exit(1);
     }
 }
 
+/// Generate Inno Setup installer script (Windows only)
+fn generate_installer_script(repo_root: &PathBuf) -> Result<(), Box<dyn std::error::Error>> {
+    let template_path = repo_root.join("setup/windows/setup_jv_cli_template.iss");
+    let output_path = repo_root.join("setup/windows/setup_jv_cli.iss");
+
+    let template = std::fs::read_to_string(&template_path)?;
+
+    let author = get_author()?;
+    let version = get_version();
+    let site = get_site()?;
+
+    let generated = template
+        .replace("<<<AUTHOR>>>", &author)
+        .replace("<<<VERSION>>>", &version)
+        .replace("<<<SITE>>>", &site);
+
+    std::fs::write(output_path, generated)?;
+    Ok(())
+}
+
+fn get_author() -> Result<String, Box<dyn std::error::Error>> {
+    let cargo_toml_path = std::path::Path::new("Cargo.toml");
+    let cargo_toml_content = std::fs::read_to_string(cargo_toml_path)?;
+    let cargo_toml: toml::Value = toml::from_str(&cargo_toml_content)?;
+
+    if let Some(package) = cargo_toml.get("package") {
+        if let Some(authors) = package.get("authors") {
+            if let Some(authors_array) = authors.as_array() {
+                if let Some(first_author) = authors_array.get(0) {
+                    if let Some(author_str) = first_author.as_str() {
+                        return Ok(author_str.to_string());
+                    }
+                }
+            }
+        }
+    }
+
+    Err("Author not found in Cargo.toml".into())
+}
+
+fn get_site() -> Result<String, Box<dyn std::error::Error>> {
+    let cargo_toml_path = std::path::Path::new("Cargo.toml");
+    let cargo_toml_content = std::fs::read_to_string(cargo_toml_path)?;
+    let cargo_toml: toml::Value = toml::from_str(&cargo_toml_content)?;
+
+    if let Some(package) = cargo_toml.get("package") {
+        if let Some(homepage) = package.get("homepage") {
+            if let Some(site_str) = homepage.as_str() {
+                return Ok(site_str.to_string());
+            }
+        }
+    }
+
+    Err("Homepage not found in Cargo.toml".into())
+}
+
 /// Generate compile info
 fn generate_compile_info(repo_root: &PathBuf) -> Result<(), Box<dyn std::error::Error>> {
     // Read the template code
diff --git a/setup/windows/setup_jv_cli_template.iss b/setup/windows/setup_jv_cli_template.iss
index 24b2a32..124d897 100644
--- a/setup/windows/setup_jv_cli_template.iss
+++ b/setup/windows/setup_jv_cli_template.iss
@@ -1,7 +1,7 @@
 #define MyAppName "JustEnoughVCS"
-#define MyAppVersion "0.1.0"
-#define MyAppPublisher "JustEnoughVCS Team"
-#define MyAppURL "https://jvcs.cc/"
+#define MyAppVersion "<<<VERSION>>>"
+#define MyAppPublisher "<<<AUTHOR>>>"
+#define MyAppURL "<<<SITE>>>"
 
 [Setup]
 AppId={{8265DF21-F290-487E-9403-C2730EC31A03}