add excludes to randomwallpaper

scripts/randomwallpaper/src/config.rs

@@ -0,0 +1,22 @@
+use anyhow::Context;
+use std::path::Path;
+use std::path::PathBuf;
+
+pub struct Config {
+    pub paths: Vec<PathBuf>,
+    pub exclude: Vec<PathBuf>,
+}
+
+impl Config {
+    pub fn new() -> anyhow::Result<Self> {
+        Ok(Self {
+            paths: vec![
+                PathBuf::from("/usr/share/backgrounds"),
+                Path::new(&std::env::var("HOME").context("couldn't get home directory")?)
+                    .join(".local/share/backgrounds"),
+            ],
+
+            exclude: vec![PathBuf::from("/usr/share/backgrounds/xfce")],
+        })
+    }
+}

scripts/randomwallpaper/src/main.rs

@@ -1,30 +1,27 @@
 use anyhow::Context;
+use config::Config;
 use rand::prelude::{IteratorRandom, SliceRandom};
-use std::{
-    path::{Path, PathBuf},
-    process::Command,
-};
+use std::{path::Path, process::Command};
 use walkdir::{DirEntry, WalkDir};
 use xinerama::head_count;
 
+mod config;
 mod xinerama;
 
 fn main() -> anyhow::Result<()> {
-    let paths = [
-        PathBuf::from("/usr/share/backgrounds"),
-        Path::new(&std::env::var("HOME").context("couldn't get home directory")?)
-            .join(".local/share/backgrounds"),
-    ];
+    let config = Config::new()?;
 
-    let wallpapers = paths
+    let wallpapers = config
+        .paths
         .into_iter()
         .flat_map(dir_iter)
         .flatten()
         .filter(|d| {
-            d.path()
-                .extension()
-                .map(|e| ["png", "jpg"].contains(&&*e.to_string_lossy()))
-                .unwrap_or(false)
+            !config.exclude.iter().any(|e| d.path().starts_with(e))
+                && d.path()
+                    .extension()
+                    .map(|e| ["png", "jpg"].contains(&&*e.to_string_lossy()))
+                    .unwrap_or(false)
         })
         .map(DirEntry::into_path);