updates

Signed-off-by: Christine Dodrill <me@christine.website>

.drone.yml

@@ -2,6 +2,6 @@ kind: pipeline
 name: zbasu
 steps:
   - commands:
-     - "nix-build ./cabytcini.nix"
+     - "nix-build"
     image: "monacoremo/nix:2020-04-05-05f09348-circleci"
     name: zbasu le sampla

CHANGELOG.md

@@ -0,0 +1,5 @@
+# Changelog
+
+## 0.3.0
+
+- Rewrite using async rust

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "cabytcini"
-version = "0.2.0"
+version = "0.3.0"
 authors = ["Christine Dodrill <me@christine.website>"]
 edition = "2018"
 license = "MIT"
@@ -8,18 +8,12 @@ license = "MIT"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
+anyhow = "1.0"
 chrono = "0.4"
-log = "0.4"
 env_logger = "0.7"
-serde = { version = "1", features = [ "derive" ] }
+log = "0.4"
 serde_json = "1"
+serde = { version = "1", features = [ "derive" ] }
 toml = "0.5"
 xdg = "2.2"
-
-[dependencies.reqwest]
-version = "0.10"
-features = [ "blocking", "json" ]
-
-[dependencies.x11]
-features = ["xlib"]
-version = "2.18.2"
+ureq = { version = "2", features = ["json", "charset"] }

nix/sources.json

@@ -5,10 +5,10 @@
         "homepage": "",
         "owner": "nmattia",
         "repo": "naersk",
-        "rev": "1dd63230066a93c61ab7a66934eb0aae3f1a3613",
-        "sha256": "1xn8m62ypg13jh4zf101qmfa6gy8cl923fgwvk9c33m573h3k154",
+        "rev": "e8061169e1495871b56be97c5c51d310fae01374",
+        "sha256": "0683bdn7nvd63ziy09vm43iwpis4fdsj2hyk14hksz7igwrsy2g3",
         "type": "tarball",
-        "url": "https://github.com/nmattia/naersk/archive/1dd63230066a93c61ab7a66934eb0aae3f1a3613.tar.gz",
+        "url": "https://github.com/nmattia/naersk/archive/e8061169e1495871b56be97c5c51d310fae01374.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "niv": {
@@ -17,22 +17,22 @@
         "homepage": "https://github.com/nmattia/niv",
         "owner": "nmattia",
         "repo": "niv",
-        "rev": "f73bf8d584148677b01859677a63191c31911eae",
-        "sha256": "0jlmrx633jvqrqlyhlzpvdrnim128gc81q5psz2lpp2af8p8q9qs",
+        "rev": "527494090f7075ed5e3aa15ef7093846e5e25d52",
+        "sha256": "1hahf0i0iix1iyzaaq5a7rbgyfm3xjcfl69lm1b5mas1p8vdimih",
         "type": "tarball",
-        "url": "https://github.com/nmattia/niv/archive/f73bf8d584148677b01859677a63191c31911eae.tar.gz",
+        "url": "https://github.com/nmattia/niv/archive/527494090f7075ed5e3aa15ef7093846e5e25d52.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "nixpkgs": {
-        "branch": "nixos-20.03",
+        "branch": "nixpkgs-unstable",
         "description": "A read-only mirror of NixOS/nixpkgs tracking the released channels. Send issues and PRs to",
         "homepage": "https://github.com/NixOS/nixpkgs",
         "owner": "NixOS",
         "repo": "nixpkgs-channels",
-        "rev": "0bb35152be895abfd1fc743b42f1c4e56ae71906",
-        "sha256": "0mydmhr1fm5l0p668wx5wlk3six7k3n56sz41fv0h9zms0lqszf9",
+        "rev": "502845c3e31ef3de0e424f3fcb09217df2ce6df6",
+        "sha256": "0fcqpsy6y7dgn0y0wgpa56gsg0b0p8avlpjrd79fp4mp9bl18nda",
         "type": "tarball",
-        "url": "https://github.com/NixOS/nixpkgs-channels/archive/0bb35152be895abfd1fc743b42f1c4e56ae71906.tar.gz",
+        "url": "https://github.com/NixOS/nixpkgs-channels/archive/502845c3e31ef3de0e424f3fcb09217df2ce6df6.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     }
 }

nix/sources.nix

@@ -6,52 +6,63 @@ let
   # The fetchers. fetch_<type> fetches specs of type <type>.
   #
 
-  fetch_file = pkgs: spec:
-    if spec.builtin or true then
-      builtins_fetchurl { inherit (spec) url sha256; }
-    else
-      pkgs.fetchurl { inherit (spec) url sha256; };
+  fetch_file = pkgs: name: spec:
+    let
+      name' = sanitizeName name + "-src";
+    in
+      if spec.builtin or true then
+        builtins_fetchurl { inherit (spec) url sha256; name = name'; }
+      else
+        pkgs.fetchurl { inherit (spec) url sha256; name = name'; };
 
-  fetch_tarball = pkgs: spec:
-    if spec.builtin or true then
-      builtins_fetchTarball { inherit (spec) url sha256; }
-    else
-      pkgs.fetchzip { inherit (spec) url sha256; };
+  fetch_tarball = pkgs: name: spec:
+    let
+      name' = sanitizeName name + "-src";
+    in
+      if spec.builtin or true then
+        builtins_fetchTarball { name = name'; inherit (spec) url sha256; }
+      else
+        pkgs.fetchzip { name = name'; inherit (spec) url sha256; };
 
-  fetch_git = spec:
-    builtins.fetchGit { url = spec.repo; inherit (spec) rev ref; };
+  fetch_git = name: spec:
+    let
+      ref =
+        if spec ? ref then spec.ref else
+          if spec ? branch then "refs/heads/${spec.branch}" else
+            if spec ? tag then "refs/tags/${spec.tag}" else
+              abort "In git source '${name}': Please specify `ref`, `tag` or `branch`!";
+    in
+      builtins.fetchGit { url = spec.repo; inherit (spec) rev; inherit ref; };
 
-  fetch_builtin-tarball = spec:
-    builtins.trace
-      ''
-        WARNING:
-          The niv type "builtin-tarball" will soon be deprecated. You should
-          instead use `builtin = true`.
+  fetch_local = spec: spec.path;
 
-          $ niv modify <package> -a type=tarball -a builtin=true
-      ''
-      builtins_fetchTarball { inherit (spec) url sha256; };
+  fetch_builtin-tarball = name: throw
+    ''[${name}] The niv type "builtin-tarball" is deprecated. You should instead use `builtin = true`.
+        $ niv modify ${name} -a type=tarball -a builtin=true'';
 
-  fetch_builtin-url = spec:
-    builtins.trace
-      ''
-        WARNING:
-          The niv type "builtin-url" will soon be deprecated. You should
-          instead use `builtin = true`.
-
-          $ niv modify <package> -a type=file -a builtin=true
-      ''
-      (builtins_fetchurl { inherit (spec) url sha256; });
+  fetch_builtin-url = name: throw
+    ''[${name}] The niv type "builtin-url" will soon be deprecated. You should instead use `builtin = true`.
+        $ niv modify ${name} -a type=file -a builtin=true'';
 
   #
   # Various helpers
   #
 
+  # https://github.com/NixOS/nixpkgs/pull/83241/files#diff-c6f540a4f3bfa4b0e8b6bafd4cd54e8bR695
+  sanitizeName = name:
+    (
+      concatMapStrings (s: if builtins.isList s then "-" else s)
+        (
+          builtins.split "[^[:alnum:]+._?=-]+"
+            ((x: builtins.elemAt (builtins.match "\\.*(.*)" x) 0) name)
+        )
+    );
+
   # The set of packages used when specs are fetched using non-builtins.
-  mkPkgs = sources:
+  mkPkgs = sources: system:
     let
       sourcesNixpkgs =
-        import (builtins_fetchTarball { inherit (sources.nixpkgs) url sha256; }) {};
+        import (builtins_fetchTarball { inherit (sources.nixpkgs) url sha256; }) { inherit system; };
       hasNixpkgsPath = builtins.any (x: x.prefix == "nixpkgs") builtins.nixPath;
       hasThisAsNixpkgsPath = <nixpkgs> == ./.;
     in
@@ -71,14 +82,27 @@ let
 
     if ! builtins.hasAttr "type" spec then
       abort "ERROR: niv spec ${name} does not have a 'type' attribute"
-    else if spec.type == "file" then fetch_file pkgs spec
-    else if spec.type == "tarball" then fetch_tarball pkgs spec
-    else if spec.type == "git" then fetch_git spec
-    else if spec.type == "builtin-tarball" then fetch_builtin-tarball spec
-    else if spec.type == "builtin-url" then fetch_builtin-url spec
+    else if spec.type == "file" then fetch_file pkgs name spec
+    else if spec.type == "tarball" then fetch_tarball pkgs name spec
+    else if spec.type == "git" then fetch_git name spec
+    else if spec.type == "local" then fetch_local spec
+    else if spec.type == "builtin-tarball" then fetch_builtin-tarball name
+    else if spec.type == "builtin-url" then fetch_builtin-url name
     else
       abort "ERROR: niv spec ${name} has unknown type ${builtins.toJSON spec.type}";
 
+  # If the environment variable NIV_OVERRIDE_${name} is set, then use
+  # the path directly as opposed to the fetched source.
+  replace = name: drv:
+    let
+      saneName = stringAsChars (c: if isNull (builtins.match "[a-zA-Z0-9]" c) then "_" else c) name;
+      ersatz = builtins.getEnv "NIV_OVERRIDE_${saneName}";
+    in
+      if ersatz == "" then drv else
+        # this turns the string into an actual Nix path (for both absolute and
+        # relative paths)
+        if builtins.substring 0 1 ersatz == "/" then /. + ersatz else /. + builtins.getEnv "PWD" + "/${ersatz}";
+
   # Ports of functions for older nix versions
 
   # a Nix version of mapAttrs if the built-in doesn't exist
@@ -87,23 +111,37 @@ let
     listToAttrs (map (attr: { name = attr; value = f attr set.${attr}; }) (attrNames set))
   );
 
+  # https://github.com/NixOS/nixpkgs/blob/0258808f5744ca980b9a1f24fe0b1e6f0fecee9c/lib/lists.nix#L295
+  range = first: last: if first > last then [] else builtins.genList (n: first + n) (last - first + 1);
+
+  # https://github.com/NixOS/nixpkgs/blob/0258808f5744ca980b9a1f24fe0b1e6f0fecee9c/lib/strings.nix#L257
+  stringToCharacters = s: map (p: builtins.substring p 1 s) (range 0 (builtins.stringLength s - 1));
+
+  # https://github.com/NixOS/nixpkgs/blob/0258808f5744ca980b9a1f24fe0b1e6f0fecee9c/lib/strings.nix#L269
+  stringAsChars = f: s: concatStrings (map f (stringToCharacters s));
+  concatMapStrings = f: list: concatStrings (map f list);
+  concatStrings = builtins.concatStringsSep "";
+
+  # https://github.com/NixOS/nixpkgs/blob/8a9f58a375c401b96da862d969f66429def1d118/lib/attrsets.nix#L331
+  optionalAttrs = cond: as: if cond then as else {};
+
   # fetchTarball version that is compatible between all the versions of Nix
-  builtins_fetchTarball = { url, sha256 }@attrs:
+  builtins_fetchTarball = { url, name ? null, sha256 }@attrs:
     let
       inherit (builtins) lessThan nixVersion fetchTarball;
     in
       if lessThan nixVersion "1.12" then
-        fetchTarball { inherit url; }
+        fetchTarball ({ inherit url; } // (optionalAttrs (!isNull name) { inherit name; }))
       else
         fetchTarball attrs;
 
   # fetchurl version that is compatible between all the versions of Nix
-  builtins_fetchurl = { url, sha256 }@attrs:
+  builtins_fetchurl = { url, name ? null, sha256 }@attrs:
     let
       inherit (builtins) lessThan nixVersion fetchurl;
     in
       if lessThan nixVersion "1.12" then
-        fetchurl { inherit url; }
+        fetchurl ({ inherit url; } // (optionalAttrs (!isNull name) { inherit name; }))
       else
         fetchurl attrs;
 
@@ -115,14 +153,15 @@ let
         then abort
           "The values in sources.json should not have an 'outPath' attribute"
         else
-          spec // { outPath = fetch config.pkgs name spec; }
+          spec // { outPath = replace name (fetch config.pkgs name spec); }
     ) config.sources;
 
   # The "config" used by the fetchers
   mkConfig =
-    { sourcesFile ? ./sources.json
-    , sources ? builtins.fromJSON (builtins.readFile sourcesFile)
-    , pkgs ? mkPkgs sources
+    { sourcesFile ? if builtins.pathExists ./sources.json then ./sources.json else null
+    , sources ? if isNull sourcesFile then {} else builtins.fromJSON (builtins.readFile sourcesFile)
+    , system ? builtins.currentSystem
+    , pkgs ? mkPkgs sources system
     }: rec {
       # The sources, i.e. the attribute set of spec name to spec
       inherit sources;
@@ -130,5 +169,6 @@ let
       # The "pkgs" (evaluated nixpkgs) to use for e.g. non-builtin fetchers
       inherit pkgs;
     };
+
 in
 mkSources (mkConfig {}) // { __functor = _: settings: mkSources (mkConfig settings); }

src/bin/cabytcinysuhei.rs

@@ -0,0 +1,77 @@
+use anyhow::Result;
+use cabytcini::*;
+use chrono::prelude::*;
+use std::{
+    sync::{Arc, Mutex},
+    thread, time,
+};
+
+const UPDATE_FREQUENCY: u64 = 15000;
+
+fn main() -> Result<()> {
+    env_logger::init();
+
+    println!(r#"{{ "version": 1 }}"#);
+    println!("[[]");
+
+    let st: State = State::init();
+    let mtst = Arc::new(Mutex::new(st));
+    let cfg = config::load()?;
+
+    // start front thread
+    {
+        let mtst = mtst.clone();
+        let cfg = cfg.clone();
+        thread::spawn(move || front::update(mtst, cfg));
+    }
+
+    // start weather thread
+    {
+        let mtst = mtst.clone();
+        let cfg = cfg.clone();
+        thread::spawn(move || weather::update(mtst, cfg));
+    }
+
+    thread::sleep(time::Duration::from_millis(750));
+
+    loop {
+        {
+            let data = mtst.lock().unwrap();
+            let mut blocks: Vec<Block> = vec![Block {
+                full_text: data.front.clone(),
+                color: match data.front.as_str() {
+                    "Cadey" => Some("#F86AF3".to_string()),
+                    "Nicole" => Some("#C79DD7".to_string()),
+                    "Jessie" => Some("#97871A".to_string()),
+                    "Ashe" => Some("#458588".to_string()),
+                    "Sephie" => Some("#D79921".to_string()),
+                    "Mai" => Some("#D65D0E".to_string()),
+                    _ => None,
+                },
+            }];
+
+            if let Some(datni) = &data.weather {
+                blocks.push(Block {
+                    full_text: format!(
+                        "{} {} / {} {}",
+                        datni.currently.temperature,
+                        datni.currently.summary,
+                        datni.daily.data[0].temperature_high,
+                        datni.daily.data[0].temperature_low
+                    ),
+                    color: None,
+                })
+            }
+
+            blocks.push(Block {
+                full_text: Local::now().format("%H:%M M%m %-d %a").to_string(),
+                color: None,
+            });
+
+            println!(",{}", serde_json::to_string(&blocks)?);
+        }
+
+        let so_often = time::Duration::from_millis(UPDATE_FREQUENCY);
+        thread::sleep(so_often);
+    }
+}

src/config.rs

@@ -1,29 +1,26 @@
+use anyhow::Result;
 use serde::{Deserialize, Serialize};
 use std::{
     fs::File,
-    io::{Read, Result, Write},
+    io::{Read, Write},
 };
 use xdg::*;
 
 #[derive(Deserialize, Serialize, Debug, Clone)]
-pub(crate) struct Config {
+pub struct Config {
     pub(crate) front_url: String,
     pub(crate) weather_url: String,
 }
 
-pub(crate) fn load() -> Result<Config> {
+pub fn load() -> Result<Config> {
     let xdg_dirs =
         BaseDirectories::with_prefix("cabytcini").expect("pu djica lo nu finti lei datnyveiste");
-    let config_path = xdg_dirs
-        .place_config_file("gaftercu'a.toml")
-        .expect("pu djica lo nu le datnyveiste be lo gaftercu'a zvati");
+    let config_path = xdg_dirs.place_config_file("gaftercu'a.toml")?;
     match File::open(&config_path) {
         Ok(mut fin) => {
             let mut datni = String::new();
-            fin.read_to_string(&mut datni)
-                .expect("pu djica lo nu tcidu le sfaile");
-            let cfg: Config =
-                toml::from_str(datni.as_str()).expect("pu djica lo nu jimpe lo sfaile");
+            fin.read_to_string(&mut datni)?;
+            let cfg: Config = toml::from_str(datni.as_str())?;
             Ok(cfg)
         }
 

src/front.rs

@@ -4,12 +4,15 @@ use std::{thread, time};
 
 const FIVE_MINUTES: u64 = 60 * 5;
 
-pub(crate) fn update(st: MTState, cfg: Config) {
+pub fn update(st: MTState, cfg: Config) {
     loop {
-        match reqwest::blocking::get(&cfg.front_url) {
+        match ureq::get(&cfg.front_url)
+            .set("User-Agent", crate::APP_USER_AGENT)
+            .call()
+        {
             Ok(who) => {
                 let mut data = st.lock().unwrap();
-                let who = who.text().unwrap().trim().to_string();
+                let who = who.into_string().unwrap().trim().to_string();
                 if who != data.front {
                     data.front = who;
                     info!("new front: {}", data.front);

src/lib.rs

@@ -0,0 +1,90 @@
+#[macro_use]
+extern crate log;
+
+use chrono::prelude::*;
+use serde::Serialize;
+use std::{
+    fmt,
+    sync::{Arc, Mutex},
+};
+use xsetroot::XSetRoot;
+
+pub mod config;
+pub mod front;
+pub mod weather;
+pub mod xsetroot;
+
+pub static APP_USER_AGENT: &str = concat!(
+    env!("CARGO_PKG_NAME"),
+    "/",
+    env!("CARGO_PKG_VERSION"),
+    " +https://tulpa.dev/cadey/cabytcini",
+);
+
+pub type MTState = Arc<Mutex<State>>;
+
+pub struct State {
+    pub msg: String,
+    pub front: String,
+    pub weather: Option<weather::Root>,
+}
+
+#[derive(Serialize, Default)]
+pub struct Block {
+    pub full_text: String,
+    pub color: Option<String>,
+}
+
+impl fmt::Display for State {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        write!(f, "{}", self.msg)
+    }
+}
+
+impl State {
+    pub fn init() -> State {
+        State {
+            msg: "".to_string(),
+            front: "".to_string(),
+            weather: None,
+        }
+    }
+
+    pub fn to_string(&self) -> String {
+        let now = Local::now().format("%H:%M M%m %-d %a");
+        let mut msg = String::new();
+
+        if self.msg != "" {
+            msg.push_str(format!("{} | ", self.msg).as_str());
+        }
+
+        if self.front != "" {
+            msg.push_str(format!("{} | ", self.front).as_str());
+        }
+
+        match &self.weather {
+            Some(datni) => msg.push_str(
+                format!(
+                    "{} {} / {} {} | ",
+                    datni.currently.temperature,
+                    datni.currently.summary,
+                    datni.daily.data[0].temperature_high,
+                    datni.daily.data[0].temperature_low
+                )
+                .as_str(),
+            ),
+            None => {}
+        };
+
+        msg.push_str(format!("{}", now).as_str());
+        msg
+    }
+
+    pub fn xsetroot(&self) {
+        let xsr = XSetRoot::init().expect("xsetroot to initialize");
+
+        if let Err(why) = xsr.render(self.to_string()) {
+            error!("error setting root window title: {:?}", why);
+        }
+    }
+}

src/main.rs

@@ -1,29 +1,16 @@
-mod config;
-mod front;
-mod weather;
-mod xsetroot;
-
-use chrono::prelude::*;
+use anyhow::Result;
 use log::*;
 use std::{
-    fmt,
     io::{prelude::*, BufReader},
     net::Shutdown,
     os::unix::net::{UnixListener, UnixStream},
     sync::{Arc, Mutex},
     thread, time,
 };
-use xsetroot::XSetRoot;
 
-// Name your user agent after your app?
-pub static APP_USER_AGENT: &str = concat!(
-    env!("CARGO_PKG_NAME"),
-    "/",
-    env!("CARGO_PKG_VERSION"),
-    " +https://tulpa.dev/cadey/cabytcini",
-);
+use cabytcini::*;
 
-pub(crate) type MTState = Arc<Mutex<State>>;
+pub type MTState = Arc<Mutex<State>>;
 
 fn handle_client(stream: UnixStream, st: MTState) {
     let mut rdr = BufReader::new(&stream);
@@ -37,7 +24,7 @@ fn handle_client(stream: UnixStream, st: MTState) {
     stream.shutdown(Shutdown::Both).expect("socket to close");
 }
 
-const UPDATE_FREQUENCY: u64 = 250;
+const UPDATE_FREQUENCY: u64 = 15000;
 
 fn update_every_so_often(st: MTState) {
     loop {
@@ -46,14 +33,14 @@ fn update_every_so_often(st: MTState) {
 
         {
             let data = st.lock().unwrap();
-            data.show();
+            data.xsetroot();
         }
     }
 }
 
-fn main() -> std::io::Result<()> {
+fn main() -> Result<()> {
     let st: State = State::init();
-    st.show();
+    st.xsetroot();
     let mtst = Arc::new(Mutex::new(st));
     env_logger::init();
     let cfg = config::load()?;
@@ -87,63 +74,10 @@ fn main() -> std::io::Result<()> {
                 thread::spawn(move || handle_client(stream, mtst));
             }
             Err(err) => {
-                error!("unix listener error: {:?}", err);
-                break;
+                return Err(err.into());
             }
         }
     }
 
     Ok(())
 }
-
-pub(crate) struct State {
-    msg: String,
-    front: String,
-    weather: Option<weather::Root>,
-}
-
-impl fmt::Display for State {
-    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        write!(f, "{}", self.msg)
-    }
-}
-
-impl State {
-    fn init() -> State {
-        State {
-            msg: "".to_string(),
-            front: "".to_string(),
-            weather: None,
-        }
-    }
-
-    pub(crate) fn show(&self) {
-        let now = Local::now().format("%H:%M M%m %-d %a");
-        let xsr = XSetRoot::init();
-
-        let mut msg = String::new();
-
-        if self.msg != "" {
-            msg.push_str(format!("{} | ", self.msg).as_str());
-        }
-
-        if self.front != "" {
-            msg.push_str(format!("{} | ", self.front).as_str());
-        }
-
-        match &self.weather {
-            Some(datni) => msg.push_str(format!(
-                "{} {} / {} {} | ",
-                datni.currently.temperature,
-                datni.currently.summary,
-                datni.daily.data[0].temperature_high,
-                datni.daily.data[0].temperature_low
-            ).as_str()),
-            None => {}
-        };
-
-        msg.push_str(format!("{}", now).as_str());
-
-        xsr.render(msg);
-    }
-}

src/weather.rs

@@ -1,5 +1,5 @@
 use crate::{config::Config, MTState};
-use reqwest::blocking::*;
+use anyhow::Result;
 use serde::{Deserialize, Serialize};
 use std::{thread, time};
 
@@ -40,14 +40,16 @@ pub struct Daum {
 
 const UPDATE_FREQUENCY: u64 = 15 * 60; // 15 minutes
 
-fn get(cfg: &Config) -> reqwest::Result<Root> {
-    let client = Client::builder().user_agent(crate::APP_USER_AGENT).build()?;
-    let now: Root = client.get(&cfg.weather_url).send()?.json()?;
+fn get(cfg: &Config) -> Result<Root> {
+    let now: Root = ureq::get(&cfg.weather_url)
+        .set("User-Agent", crate::APP_USER_AGENT)
+        .call()?
+        .into_json()?;
 
     Ok(now)
 }
 
-pub(crate) fn update(st: MTState, cfg: Config) {
+pub fn update(st: MTState, cfg: Config) {
     loop {
         match get(&cfg) {
             Ok(datni) => {

src/xsetroot.rs

@@ -1,53 +1,17 @@
 #![allow(unsafe_code)]
 
-use std::ffi::CString;
-use std::os::raw::c_char;
-use std::ptr;
-use x11::xlib;
+use anyhow::Result;
+use std::process::Command;
 
-pub(crate) struct XSetRoot {
-    display: *mut xlib::Display,
-    root_window: xlib::Window,
-}
+pub struct XSetRoot;
 
 impl XSetRoot {
-    pub(crate) fn init() -> Self {
-        unsafe {
-            let display = xlib::XOpenDisplay(ptr::null());
-
-            if display.is_null() {
-                panic!("cannot open display");
-            }
-
-            let screen = xlib::XDefaultScreen(display);
-            let root_window = xlib::XRootWindow(display, screen);
-
-            Self {
-                display,
-                root_window,
-            }
-        }
+    pub fn init() -> Result<Self> {
+        Ok(Self {})
     }
 
-    pub(crate) fn render(&self, text: String) {
-        let status_c = CString::new(text).expect("status text could not be converted to CString");
-
-        unsafe {
-            xlib::XStoreName(
-                self.display,
-                self.root_window,
-                status_c.as_ptr() as *mut c_char,
-            );
-
-            xlib::XFlush(self.display);
-        }
-    }
-}
-
-impl Drop for XSetRoot {
-    fn drop(&mut self) {
-        unsafe {
-            xlib::XCloseDisplay(self.display);
-        }
+    pub fn render(&self, text: String) -> Result<()> {
+        Command::new("xsetroot").arg("-name").arg(text).output()?;
+        Ok(())
     }
 }