feat(core): Add subcommand to remove projects

src/main.rs

@@ -4,7 +4,7 @@ mod tui;
 
 use std::fs;
 use std::io::Write;
-use std::path::PathBuf;
+use std::path::{Path, PathBuf};
 
 use anyhow::{ensure, Result};
 use clap::{Parser, Subcommand};
@@ -43,6 +43,9 @@ enum Command {
     /// Add a project
     Add { path: PathBuf },
 
+    /// Remove a project
+    Remove { path: PathBuf },
+
     /// List existing projects
     List,
 
@@ -93,6 +96,9 @@ fn handle_subcommands(mut projects: Projects, cmd: &Command) -> Result<()> {
         Command::Add { path } => {
             add_project(&mut projects, path)?;
         }
+        Command::Remove { path } => {
+            remove_project(&mut projects, path)?;
+        }
         Command::List => {
             list_projects(&projects)?;
         }
@@ -129,6 +135,38 @@ where
 }
 
 
+fn remove_project<P>(projects: &mut Projects, path: P) -> Result<()>
+where
+    P: AsRef<Path>,
+{
+    let path = path.as_ref();
+
+    ensure!(
+        projects.list.contains(&path.to_path_buf()),
+        "Project path not in registry"
+    );
+
+    let idx =
+        projects.list.iter().enumerate().find_map(
+            |(idx, elem)| {
+                if elem == path {
+                    Some(idx)
+                } else {
+                    None
+                }
+            },
+        );
+
+    if let Some(idx) = idx {
+        let proj = projects.list.remove(idx);
+        write_projects_file(projects)?;
+        println!("Removed {}", proj.display());
+    }
+
+    Ok(())
+}
+
+
 fn list_projects(projects: &Projects) -> Result<()> {
     for project in &projects.list {
         println!("{project:?}")