Make name optional, clean config_path, skip nones when serializing

src/config.rs

@@ -180,21 +180,19 @@ struct Args {
 
 pub async fn read_config() -> eyre::Result<Config> {
     let args = Args::from_args();
-    let Some(config_path) = args.config.clone().or_else(|| {
-        Some(if let Ok(rusty_conf) = var("RUSTYBAR_CONFIG") {
+    let config_path = args.config.map(Ok).unwrap_or_else(|| {
+        Ok(if let Ok(rusty_conf) = var("RUSTYBAR_CONFIG") {
             rusty_conf.into()
         } else if let Ok(config) = var("XDG_CONFIG_HOME") {
             PathBuf::from_iter([&config, "rustybar/config.toml"])
         } else if let Ok(home) = var("HOME") {
             PathBuf::from_iter([&home, ".config/rustybar/config.toml"])
         } else {
-            return None;
+            eyre::bail!(
+                "Could not find RUSTYBAR_CONFIG, XDG_CONFIG_HOME, or HOME environment variables"
+            )
         })
-    }) else {
-        eyre::bail!(
-            "Could not find RUSTYBAR_CONFIG, XDG_CONFIG_HOME, or HOME environment variables"
-        )
-    };
+    })?;
 
     let string = tokio::fs::read_to_string(config_path)
         .await

src/output.rs

@@ -1,5 +1,6 @@
 use crate::tile::{Block, TileData};
 use eyre::OptionExt;
+use serde::{Serialize, ser::SerializeSeq};
 use std::sync::Arc;
 use tokio::{
     io::{self, AsyncWriteExt},
@@ -55,3 +56,25 @@ pub async fn run(num_tiles: usize, mut receiver: mpsc::Receiver<TileData>) -> ey
         stdout.write_all(&serialized).await?;
     }
 }
+
+struct NoneSkipper<'b, I, T>(&'b I)
+where
+    &'b I: IntoIterator<Item = &'b Option<T>>,
+    T: Serialize + 'b;
+
+impl<'b, I, T> Serialize for NoneSkipper<'b, I, T>
+where
+    &'b I: IntoIterator<Item = &'b Option<T>>,
+    T: Serialize,
+{
+    fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
+    where
+        S: serde::Serializer,
+    {
+        let mut seq = serializer.serialize_seq(None)?;
+        for e in self.0.into_iter().filter_map(Option::as_ref) {
+            seq.serialize_element(e)?;
+        }
+        seq.end()
+    }
+}

src/tile.rs

@@ -74,7 +74,8 @@ pub struct Block {
     pub min_width: Option<u32>,
     #[serde(skip_serializing_if = "Option::is_none")]
     pub align: Option<Alignment>,
-    pub name: &'static str,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub name: Option<&'static str>,
     #[serde(serialize_with = "arc_default")]
     #[default = ""]
     pub instance: Arc<str>,

src/tiles/battery.rs

@@ -35,7 +35,6 @@ pub async fn battery(config: BatteryConfig, output: OutputChannel) -> eyre::Resu
             .send(Block {
                 full_text: format!("{}% {}", percentage, status).into(),
                 short_text: format!("{}%", percentage).into_boxed_str().into(),
-                name: "battery",
                 ..Default::default()
             })
             .await?;

src/tiles/hostname.rs

@@ -27,7 +27,6 @@ pub async fn hostname(
         output
             .send(Block {
                 full_text: hostname.into(),
-                name: "hostname",
                 ..Default::default()
             })
             .await?;

src/tiles/internet_time.rs

@@ -30,7 +30,6 @@ pub async fn internet_time(
                 )
                 .into_boxed_str(),
                 short_text: Some(format!("@{:03.0}", internet_time).into_boxed_str()),
-                name: "internet_time",
                 ..Default::default()
             })
             .await?;

src/tiles/iwd.rs

@@ -63,7 +63,6 @@ pub async fn iwd(
         output
             .send(Block {
                 full_text: text.into(),
-                name: config.interface,
                 ..Default::default()
             })
             .await?;

src/tiles/load.rs

@@ -16,7 +16,6 @@ pub async fn load(config: LoadConfig, output: OutputChannel) -> eyre::Result<Inf
         output
             .send(Block {
                 full_text: load.into(),
-                name: "load",
                 ..Default::default()
             })
             .await?;

src/tiles/local_time.rs

@@ -102,7 +102,6 @@ pub async fn local_time(
                 .send(Block {
                     full_text: local_now.format(&config.format).to_string().into(),
                     short_text: Some(local_now.format(&config.short_format).to_string().into()),
-                    name: "local_time",
                     ..Default::default()
                 })
                 .await?;

src/tiles/memory.rs

@@ -57,7 +57,6 @@ pub async fn memory(config: MemoryConfig, output: OutputChannel) -> eyre::Result
             .send(Block {
                 full_text,
                 short_text: Some(short_text),
-                name: "memory",
                 ..Default::default()
             })
             .await?;

src/tiles/system_time.rs

@@ -16,7 +16,6 @@ pub async fn system_time(
             .send(Block {
                 full_text: now.format(&config.format).to_string().into(),
                 short_text: Some(now.format(&config.short_format).to_string().into()),
-                name: "system_time",
                 ..Default::default()
             })
             .await?;

src/tiles/utc_time.rs

@@ -13,7 +13,6 @@ pub async fn utc_time(config: UtcTimeConfig, output: OutputChannel) -> eyre::Res
             .send(Block {
                 full_text: now.format(&config.format).to_string().into(),
                 short_text: Some(now.format(&config.short_format).to_string().into()),
-                name: "utc_time",
                 ..Default::default()
             })
             .await?;