feat: Add collapse to config file

config/config.toml

@@ -28,3 +28,6 @@ ignore-hidden=true
 output-format="si"
 
 number-of-lines=5   
+
+# To keep the .git directory collapsed
+collapse=[".git"]

src/config.rs

@@ -38,6 +38,7 @@ pub struct Config {
     pub files0_from: Option<String>,
     pub number_of_lines: Option<usize>,
     pub files_from: Option<String>,
+    pub collapse: Option<Vec<String>>,
 }
 
 impl Config {
@@ -177,6 +178,14 @@ impl Config {
     pub fn get_changed_time_operator(&self, options: &Cli) -> Option<(Operator, i64)> {
         get_filter_time_operator(options.ctime.as_ref(), get_current_date_epoch_seconds())
     }
+
+    pub fn get_collapse(&self, options: &Cli) -> Option<Vec<String>> {
+        if self.collapse.is_none() {
+            options.collapse.clone()
+        } else {
+            self.collapse.clone()
+        }
+    }
 }
 
 fn get_current_date_epoch_seconds() -> i64 {

src/main.rs

@@ -224,7 +224,7 @@ fn main() {
         indicator.spawn(output_format.clone())
     }
 
-    let keep_collapsed: HashSet<PathBuf> = match options.collapse {
+    let keep_collapsed: HashSet<PathBuf> = match config.get_collapse(&options) {
         Some(ref collapse) => {
             let mut combined_dirs = HashSet::new();
             for collapse_dir in collapse {