Add featuremanifestsupport config option

src/bin/juliaup.rs

@@ -3,6 +3,7 @@ use clap::Parser;
 use juliaup::cli::{ConfigSubCmd, Juliaup, OverrideSubCmd, SelfSubCmd};
 use juliaup::command_api::run_command_api;
 use juliaup::command_completions::run_command_completions;
+use juliaup::command_config_featuremanifestsupport::run_command_config_featuremanifestsupport;
 #[cfg(not(windows))]
 use juliaup::command_config_symlinks::run_command_config_symlinks;
 use juliaup::command_config_versionsdbupdate::run_command_config_versionsdbupdate;
@@ -123,6 +124,9 @@ fn main() -> Result<()> {
             ConfigSubCmd::VersionsDbUpdateInterval { value } => {
                 run_command_config_versionsdbupdate(value, false, &paths)
             }
+            ConfigSubCmd::FeatureManifestSupport { value } => {
+                run_command_config_featuremanifestsupport(value, false, &paths)
+            }
         },
         Juliaup::Api { command } => run_command_api(&command, &paths),
         Juliaup::InitialSetupFromLauncher {} => run_command_initial_setup_from_launcher(&paths),

src/cli.rs

@@ -157,4 +157,10 @@ pub enum ConfigSubCmd {
         /// New value
         value: Option<i64>,
     },
+    /// Enable Julia version selection from manifests
+    #[clap(name = "featuremanifestsupport")]
+    FeatureManifestSupport {
+        /// New value
+        value: Option<bool>,
+    },
 }

src/command_config_featuremanifestsupport.rs

@@ -0,0 +1,50 @@
+use crate::config_file::{load_config_db, load_mut_config_db, save_config_db};
+use anyhow::{Context, Result};
+
+pub fn run_command_config_featuremanifestsupport(
+    value: Option<bool>,
+    quiet: bool,
+    paths: &crate::global_paths::GlobalPaths,
+) -> Result<()> {
+    match value {
+        Some(value) => {
+            let mut config_file = load_mut_config_db(paths)
+                .with_context(|| "`config` command failed to load configuration data.")?;
+
+            let mut value_changed = false;
+
+            if value != config_file.data.settings.feature_manifest_support {
+                config_file.data.settings.feature_manifest_support = value;
+
+                value_changed = true;
+            }
+
+            save_config_db(&mut config_file)
+                .with_context(|| "Failed to save configuration file from `config` command.")?;
+
+            if !quiet {
+                if value_changed {
+                    eprintln!("Property 'featuremanifestsupport' set to '{}'", value);
+                } else {
+                    eprintln!(
+                        "Property 'featuremanifestsupport' is already set to '{}'",
+                        value
+                    );
+                }
+            }
+        }
+        None => {
+            let config_file = load_config_db(paths)
+                .with_context(|| "`config` command failed to load configuration data.")?;
+
+            if !quiet {
+                eprintln!(
+                    "Property 'featuremanifestsupport' set to '{}'",
+                    config_file.data.settings.feature_manifest_support
+                );
+            }
+        }
+    };
+
+    Ok(())
+}

src/config_file.rs

@@ -67,13 +67,20 @@ pub struct JuliaupConfigSettings {
         skip_serializing_if = "is_default_versionsdb_update_interval"
     )]
     pub versionsdb_update_interval: i64,
+    #[serde(
+        rename = "FeatureManifestSupport",
+        default,
+        skip_serializing_if = "is_default"
+    )]
+    pub feature_manifest_support: bool,
 }
 
 impl Default for JuliaupConfigSettings {
     fn default() -> Self {
         JuliaupConfigSettings {
             create_channel_symlinks: false,
             versionsdb_update_interval: default_versionsdb_update_interval(),
+            feature_manifest_support: false,
         }
     }
 }
@@ -190,6 +197,7 @@ pub fn load_config_db(paths: &GlobalPaths) -> Result<JuliaupReadonlyConfigFile>
                 settings: JuliaupConfigSettings {
                     create_channel_symlinks: false,
                     versionsdb_update_interval: default_versionsdb_update_interval(),
+                    feature_manifest_support: false,
                 },
                 last_version_db_update: None,
             },
@@ -286,6 +294,7 @@ pub fn load_mut_config_db(paths: &GlobalPaths) -> Result<JuliaupConfigFile> {
                 settings: JuliaupConfigSettings {
                     create_channel_symlinks: false,
                     versionsdb_update_interval: default_versionsdb_update_interval(),
+                    feature_manifest_support: false,
                 },
                 last_version_db_update: None,
             };

src/lib.rs

@@ -5,6 +5,7 @@ pub mod command_add;
 pub mod command_api;
 pub mod command_completions;
 pub mod command_config_backgroundselfupdate;
+pub mod command_config_featuremanifestsupport;
 pub mod command_config_modifypath;
 pub mod command_config_startupselfupdate;
 pub mod command_config_symlinks;