feat(cli): add version update checks

This commit adds version update checks and feedback to the komorebic
start and check commands.

komorebic/src/main.rs

@@ -35,6 +35,7 @@ use miette::SourceSpan;
 use paste::paste;
 use schemars::gen::SchemaSettings;
 use schemars::schema_for;
+use serde::Deserialize;
 use sysinfo::ProcessesToUpdate;
 use which::which;
 use windows::Win32::Foundation::HWND;
@@ -1667,6 +1668,30 @@ fn main() -> Result<()> {
                 println!("No komorebi configuration found in {home_display}\n");
                 println!("If running 'komorebic start --await-configuration', you will manually have to call the following command to begin tiling: komorebic complete-configuration\n");
             }
+
+            let client = reqwest::blocking::Client::new();
+
+            if let Ok(response) = client
+                .get("https://api.github.com/repos/LGUG2Z/komorebi/releases/latest")
+                .header("User-Agent", "komorebic-version-checker")
+                .send()
+            {
+                let version = env!("CARGO_PKG_VERSION");
+
+                #[derive(Deserialize)]
+                struct Release {
+                    tag_name: String,
+                }
+
+                if let Ok(release) =
+                    serde_json::from_str::<Release>(&response.text().unwrap_or_default())
+                {
+                    let trimmed = release.tag_name.trim_start_matches("v");
+                    if trimmed > version {
+                        println!("An updated version of komorebi is available! https://github.com/LGUG2Z/komorebi/releases/v{trimmed}");
+                    }
+                }
+            }
         }
         SubCommand::Configuration => {
             let static_config = HOME_DIR.join("komorebi.json");
@@ -2246,6 +2271,30 @@ if (!(Get-Process masir -ErrorAction SilentlyContinue))
                 let stdout = String::from_utf8(output.stdout)?;
                 println!("{stdout}");
             }
+
+            let client = reqwest::blocking::Client::new();
+
+            if let Ok(response) = client
+                .get("https://api.github.com/repos/LGUG2Z/komorebi/releases/latest")
+                .header("User-Agent", "komorebic-version-checker")
+                .send()
+            {
+                let version = env!("CARGO_PKG_VERSION");
+
+                #[derive(Deserialize)]
+                struct Release {
+                    tag_name: String,
+                }
+
+                if let Ok(release) =
+                    serde_json::from_str::<Release>(&response.text().unwrap_or_default())
+                {
+                    let trimmed = release.tag_name.trim_start_matches("v");
+                    if trimmed > version {
+                        println!("An updated version of komorebi is available! https://github.com/LGUG2Z/komorebi/releases/v{trimmed}");
+                    }
+                }
+            }
         }
         SubCommand::Stop(arg) => {
             if arg.whkd {