add: uninstall prompt when no version is specified

README.md

@@ -120,9 +120,10 @@ If Config::version_sync_file_location is set, the version in that file will be p
 
 ---
 
-- `bob uninstall |nightly|stable|latest|<version-string>|<commit-hash>|`
+- `bob uninstall [|nightly|stable|latest|<version-string>|<commit-hash>|]`
 
-Uninstall the specified version.
+Uninstall the specified version. If no version is specified a prompt is used to select all the versions
+to be uninstalled.
 
 ---
 

src/cli.rs

@@ -60,8 +60,9 @@ enum Cli {
  /// Uninstall the specified version
  #[clap(visible_alias = "rm")]
  Uninstall {
- /// Version to be uninstalled |nightly|stable|<version-string>|<commit-hash>|
- version: String,
+ /// Optional Version to be uninstalled |nightly|stable|<version-string>|<commit-hash>|
+ /// If no Version is provided a prompt is used to select the versions to be uninstalled
+ version: Option<String>,
  },
 
  /// Rollback to an existing nightly rollback
@@ -134,7 +135,7 @@ pub async fn start(config: Config) -> Result<()> {
  }
  Cli::Uninstall { version } => {
  info!("Starting uninstallation process");
- uninstall_handler::start(&version, config).await?;
+ uninstall_handler::start(version.as_deref(), config).await?;
  }
  Cli::Rollback => rollback_handler::start(config).await?,
  Cli::Erase => erase_handler::start(config).await?,

src/handlers/uninstall_handler.rs

@@ -1,4 +1,5 @@
 use anyhow::{anyhow, Result};
+use dialoguer::{console::Term, theme::ColorfulTheme, Confirm, MultiSelect};
 use reqwest::Client;
 use tokio::fs;
 use tracing::{info, warn};
@@ -8,10 +9,15 @@ use crate::{
  helpers::{self, directories},
 };
 
-pub async fn start(version: &str, config: Config) -> Result<()> {
+pub async fn start(version: Option<&str>, config: Config) -> Result<()> {
  let client = Client::new();
- let version = helpers::version::parse_version_type(&client, version).await?;
 
+ let version = match version {
+ Some(value) => value,
+ None => return uninstall_selections(&client, &config).await,
+ };
+
+ let version = helpers::version::parse_version_type(&client, version).await?;
  if helpers::version::is_version_used(&version.tag_name, &config).await {
  warn!("Switch to a different version before proceeding");
  return Ok(());
@@ -28,3 +34,56 @@ pub async fn start(version: &str, config: Config) -> Result<()> {
  info!("Successfully uninstalled version: {}", version.tag_name);
  Ok(())
 }
+
+async fn uninstall_selections(client: &Client, config: &Config) -> Result<()> {
+ let downloads_dir = directories::get_downloads_directory(&config).await?;
+
+ let mut paths = fs::read_dir(downloads_dir.clone()).await?;
+ let mut installed_versions: Vec<String> = Vec::new();
+
+ while let Some(path) = paths.next_entry().await? {
+ let name = path.file_name().to_str().unwrap().to_owned();
+
+ let version = match helpers::version::parse_version_type(&client, &name).await {
+ Ok(value) => value,
+ Err(_) => continue,
+ };
+
+ if helpers::version::is_version_used(&version.tag_name, &config).await {
+ continue;
+ }
+ installed_versions.push(version.tag_name);
+ }
+
+ let selections = MultiSelect::with_theme(&ColorfulTheme::default())
+ .with_prompt("Toogle with space the versions you wish to uninstall:")
+ .items(&installed_versions)
+ .interact_on_opt(&Term::stderr())?;
+
+ match &selections {
+ Some(ids) if (ids.len() > 0) => {
+ let confirm = Confirm::with_theme(&ColorfulTheme::default())
+ .with_prompt("Do you wish to continue?")
+ .interact_on_opt(&Term::stderr())?;
+
+ match confirm {
+ Some(true) => {}
+ None | Some(false) => {
+ info!("Uninstall aborted...");
+ return Ok(());
+ }
+ }
+
+ for &i in ids {
+ let path = downloads_dir.join(&installed_versions[i]);
+ fs::remove_dir_all(path).await?;
+ info!(
+ "Successfully uninstalled version: {}",
+ &installed_versions[i]
+ );
+ }
+ }
+ None | Some(_) => info!("Uninstall aborted..."),
+ }
+ return Ok(());
+}