Optimize for binary size

Cargo.toml

@@ -6,6 +6,8 @@ edition =   "2021"
 [profile.release]
 lto = true
 opt-level = "z"
+panic = "abort"
+strip = "symbols"
 
 [dependencies]
 

src/db.rs

@@ -1,7 +1,7 @@
+use crate::Result;
 use dirs::data_dir;
 use rusqlite::{params, Connection};
 use std::{fs::create_dir, path::PathBuf};
-use crate::Result;
 
 pub fn connect() -> Result<Connection> {
     let conn = Connection::open(path()?).map_err(|e| {
@@ -17,10 +17,10 @@ pub fn insert_settings_string(name: &str, value: &str, conn: &Connection) -> Res
         &format!("UPDATE settings SET json = json_set(json, '$.{name}', ?1);"),
         params![value],
     )
-        .map_err(|e| {
-            eprintln!("failed to set {name} to {value}: {e}");
-            e
-        })?;
+    .map_err(|e| {
+        eprintln!("failed to set {name} to {value}: {e}");
+        e
+    })?;
     Ok(())
 }
 
@@ -37,13 +37,15 @@ pub fn query_settings_string(name: &str, conn: &Connection) -> Result<String> {
         eprintln!("failed to query {name} from settings");
         e
     })?;
-    Ok(match rows.next().map_err(|e| {
-        eprintln!("failed to query {name} from settings");
-        e
-    })? {
-        Some(first_row) => first_row.get(0).unwrap_or("".into()),
-        None => "".into(),
-    })
+    Ok(
+        match rows.next().map_err(|e| {
+            eprintln!("failed to query {name} from settings");
+            e
+        })? {
+            Some(first_row) => first_row.get(0).unwrap_or("".into()),
+            None => "".into(),
+        },
+    )
 }
 
 fn path() -> Result<PathBuf> {
@@ -63,10 +65,10 @@ fn init(conn: &Connection) -> Result<()> {
         "CREATE TABLE IF NOT EXISTS settings (json TEXT NOT NULL);",
         (),
     )
-        .map_err(|e| {
-            eprintln!("failed to create settings table: {e}");
-            e
-        })?;
+    .map_err(|e| {
+        eprintln!("failed to create settings table: {e}");
+        e
+    })?;
     let mut stmt = conn
         .prepare("SELECT COUNT (*) FROM settings;")
         .map_err(|e| {

src/main.rs

@@ -12,9 +12,7 @@ type Result<T> = std::result::Result<T, Box<dyn Error>>;
 fn main() -> Result<()> {
     let args: Vec<String> = env::args().collect();
     if args.len() < 2 {
-        Err(
-            "you need to provide an action, run btcmap-cli help to see all supported actions"
-        )?;
+        Err("you need to provide an action, run btcmap-cli help to see all supported actions")?;
     }
     let action = args[1].as_str();
     let password = db::query_settings_string("password", &db::connect()?)?;
@@ -101,7 +99,9 @@ fn main() -> Result<()> {
                 json!({"period_start":period_start,"period_end":period_end}),
             )?;
         }
-        "generate-element-issues" => rpc::call_remote_procedure("generateelementissues", json!({}))?,
+        "generate-element-issues" => {
+            rpc::call_remote_procedure("generateelementissues", json!({}))?
+        }
         "sync-elements" => rpc::call_remote_procedure("syncelements", json!({}))?,
         "get-most-commented-countries" => {
             let period_start = args[2].clone();

src/rpc.rs

@@ -1,24 +1,22 @@
 use crate::db;
+use crate::Result;
 use colored_json::ToColoredJson;
 use reqwest::blocking::ClientBuilder;
 use reqwest::blocking::Response;
 use serde_json::{json, Map, Value};
-use crate::Result;
 
 pub fn call_remote_procedure(name: &str, mut params: Value) -> Result<()> {
-    let params = params.as_object_mut()
+    let params = params
+        .as_object_mut()
         .ok_or("params value is not a valid JSON object")?;
     params.insert(
         "password".into(),
         db::query_settings_string("password", &db::connect()?)?.into(),
     );
-    let http_client = ClientBuilder::new()
-        .timeout(None)
-        .build()
-        .map_err(|e| {
-            eprintln!("failed to initialize HTTP client: {e}");
-            e
-        })?;
+    let http_client = ClientBuilder::new().timeout(None).build().map_err(|e| {
+        eprintln!("failed to initialize HTTP client: {e}");
+        e
+    })?;
     let args = json!(
         {"jsonrpc": "2.0", "method": name, "params": params, "id": 1}
     );