Prune linked versions that no longer exist with --prune-linked option.

src/bin/juliaup.rs

@@ -96,7 +96,7 @@ fn main() -> Result<()> {
  Juliaup::Remove { channel } => run_command_remove(&channel, &paths),
  Juliaup::Status {} => run_command_status(&paths),
  Juliaup::Update { channel } => run_command_update(channel, &paths),
- Juliaup::Gc {} => run_command_gc(&paths),
+ Juliaup::Gc { prune_linked } => run_command_gc(prune_linked, &paths),
  Juliaup::Link {
  channel,
  file,

src/cli.rs

@@ -33,7 +33,10 @@ pub enum Juliaup {
  /// Show all installed Julia versions
  Status {},
  /// Garbage collect uninstalled Julia versions
- Gc {},
+ Gc {
+ #[clap(long)]
+ prune_linked: bool,
+ },
  #[clap(subcommand, name = "config")]
  /// Juliaup configuration
  Config(ConfigSubCmd),

src/command_gc.rs

@@ -3,11 +3,11 @@ use crate::global_paths::GlobalPaths;
 use crate::operations::garbage_collect_versions;
 use anyhow::{Context, Result};
 
-pub fn run_command_gc(paths: &GlobalPaths) -> Result<()> {
+pub fn run_command_gc(prune_linked: bool, paths: &GlobalPaths) -> Result<()> {
  let mut config_file = load_mut_config_db(paths)
  .with_context(|| "`gc` command failed to load configuration data.")?;
 
- garbage_collect_versions(&mut config_file.data, paths)?;
+ garbage_collect_versions(prune_linked, &mut config_file.data, paths)?;
 
  save_config_db(&mut config_file)
  .with_context(|| "`gc` command failed to save configuration db.")?;

src/command_remove.rs

@@ -63,7 +63,7 @@ pub fn run_command_remove(channel: &str, paths: &GlobalPaths) -> Result<()> {
  #[cfg(not(windows))]
  remove_symlink(&format!("julia-{}", channel))?;
 
- garbage_collect_versions(&mut config_file.data, paths)?;
+ garbage_collect_versions(false, &mut config_file.data, paths)?;
 
  save_config_db(&mut config_file).with_context(|| {
  format!(

src/command_update.rs

@@ -138,7 +138,7 @@ pub fn run_command_update(channel: Option<String>, paths: &GlobalPaths) -> Resul
  }
  };
 
- garbage_collect_versions(&mut config_file.data, paths)?;
+ garbage_collect_versions(false, &mut config_file.data, paths)?;
 
  save_config_db(&mut config_file)
  .with_context(|| "`update` command failed to save configuration db.")?;

src/operations.rs

@@ -11,6 +11,7 @@ use crate::jsonstructs_versionsdb::JuliaupVersionDB;
 use crate::utils::get_bin_dir;
 use crate::utils::get_julianightlies_base_url;
 use crate::utils::get_juliaserver_base_url;
+use crate::utils::is_valid_julia_path;
 use anyhow::{anyhow, bail, Context, Result};
 use bstr::ByteSlice;
 use bstr::ByteVec;
@@ -602,6 +603,7 @@ pub fn install_non_db_version(
 }
 
 pub fn garbage_collect_versions(
+ prune_linked: bool,
  config_data: &mut JuliaupConfig,
  paths: &GlobalPaths,
 ) -> Result<()> {
@@ -635,6 +637,27 @@ pub fn garbage_collect_versions(
  config_data.installed_versions.remove(&i);
  }
 
+ if prune_linked {
+ let mut channels_to_uninstall: Vec<String> = Vec::new();
+ for (installed_channel, detail) in &config_data.installed_channels {
+ match &detail {
+ JuliaupConfigChannel::LinkedChannel {
+ command: cmd,
+ args: _,
+ } => {
+ if !is_valid_julia_path(&PathBuf::from(cmd)) {
+ channels_to_uninstall.push(installed_channel.clone());
+ }
+ }
+ _ => (),
+ }
+ }
+ for channel in channels_to_uninstall {
+ remove_symlink(&format!("julia-{}", &channel))?;
+ config_data.installed_channels.remove(&channel);
+ }
+ }
+
  Ok(())
 }