Merge branch 'feat/update-execution-and-provider-contract'

crates/aim-cli/src/cli/args.rs

@@ -18,8 +18,7 @@ pub struct Cli {
 
 impl Cli {
     pub fn is_review_update_flow(&self) -> bool {
-        matches!(self.command, Some(Command::Update))
+        self.command.is_none() && self.query.is_none()
-            || (self.command.is_none() && self.query.is_none())
     }
 }
 

crates/aim-cli/src/lib.rs

@@ -9,9 +9,9 @@ use aim_core::app::add::{
 };
 use aim_core::app::list::{ListRow, build_list_rows};
 use aim_core::app::remove::{RemovalResult, remove_registered_app};
-use aim_core::app::update::build_update_plan;
+use aim_core::app::update::{build_update_plan, execute_updates};
 use aim_core::domain::app::AppRecord;
-use aim_core::domain::update::UpdatePlan;
+use aim_core::domain::update::{UpdateExecutionResult, UpdatePlan};
 use aim_core::registry::model::Registry;
 use aim_core::registry::store::RegistryStore;
 
@@ -44,7 +44,15 @@ pub fn dispatch(cli: Cli) -> Result<DispatchResult, DispatchError> {
                 })?;
                 Ok(DispatchResult::Removed(Box::new(removal)))
             }
-            cli::args::Command::Update => Ok(DispatchResult::UpdatePlan(build_update_plan(&apps)?)),
+            cli::args::Command::Update => {
+                let updates = execute_updates(&apps, &install_home)?;
+                let updated_apps = updates.apps.clone();
+                store.save(&Registry {
+                    version: registry.version,
+                    apps: updated_apps,
+                })?;
+                Ok(DispatchResult::Updated(Box::new(updates)))
+            }
         };
     }
 
@@ -94,6 +102,7 @@ pub enum DispatchResult {
     PendingAdd(Box<AddPlan>),
     Removed(Box<RemovalResult>),
     UpdatePlan(UpdatePlan),
+    Updated(Box<UpdateExecutionResult>),
     Noop,
 }
 
@@ -105,6 +114,7 @@ pub enum DispatchError {
     RemovePlan(aim_core::app::remove::RemoveRegisteredAppError),
     Registry(aim_core::registry::store::RegistryStoreError),
     UpdatePlan(aim_core::app::update::BuildUpdatePlanError),
+    UpdateExecution(aim_core::app::update::ExecuteUpdatesError),
 }
 
 impl From<aim_core::app::add::BuildAddPlanError> for DispatchError {
@@ -131,6 +141,12 @@ impl From<aim_core::app::update::BuildUpdatePlanError> for DispatchError {
     }
 }
 
+impl From<aim_core::app::update::ExecuteUpdatesError> for DispatchError {
+    fn from(value: aim_core::app::update::ExecuteUpdatesError) -> Self {
+        Self::UpdateExecution(value)
+    }
+}
+
 impl From<aim_core::app::remove::RemoveRegisteredAppError> for DispatchError {
     fn from(value: aim_core::app::remove::RemoveRegisteredAppError) -> Self {
         Self::RemovePlan(value)

crates/aim-cli/src/ui/render.rs

@@ -1,4 +1,5 @@
 use aim_core::app::add::AddPlan;
+use aim_core::domain::update::UpdateExecutionStatus;
 
 use crate::DispatchResult;
 
@@ -15,6 +16,7 @@ pub fn render_dispatch_result(result: &DispatchResult) -> String {
         DispatchResult::UpdatePlan(plan) => {
             render_update_summary(plan.items.len(), plan.items.len(), 0)
         }
+        DispatchResult::Updated(result) => render_updated_apps(result),
         DispatchResult::Noop => String::new(),
     }
 }
@@ -88,3 +90,29 @@ fn render_removed_app(removed: &aim_core::app::remove::RemovalResult) -> String
         format!("{summary}\n{warning_lines}")
     }
 }
+
+fn render_updated_apps(result: &aim_core::domain::update::UpdateExecutionResult) -> String {
+    let mut lines = vec![format!(
+        "updated apps: {}, failed: {}",
+        result.updated_count(),
+        result.failed_count()
+    )];
+
+    for item in &result.items {
+        match &item.status {
+            UpdateExecutionStatus::Updated => lines.push(format!(
+                "updated: {} ({}) {} -> {}",
+                item.display_name,
+                item.stable_id,
+                item.from_version.as_deref().unwrap_or("unknown"),
+                item.to_version.as_deref().unwrap_or("unknown")
+            )),
+            UpdateExecutionStatus::Failed { reason } => lines.push(format!(
+                "failed: {} ({}) {}",
+                item.display_name, item.stable_id, reason
+            )),
+        }
+    }
+
+    lines.join("\n")
+}

crates/aim-cli/tests/end_to_end_cli.rs

@@ -1,4 +1,8 @@
+use aim_core::domain::app::{AppRecord, InstallMetadata, InstallScope};
+use aim_core::registry::model::Registry;
+use aim_core::registry::store::RegistryStore;
 use assert_cmd::Command;
+use predicates::prelude::PredicateBooleanExt;
 use predicates::str::contains;
 use tempfile::tempdir;
 
@@ -179,3 +183,49 @@ fn system_request_on_immutable_host_falls_back_to_user_install() {
         .stdout(contains("installing as user"))
         .stdout(contains("downgraded to user scope"));
 }
+
+#[test]
+fn update_command_applies_updates() {
+    let dir = tempdir().unwrap();
+    let registry_path = dir.path().join("registry.toml");
+    let payload_path = dir
+        .path()
+        .join("install-home/.local/lib/aim/appimages/pingdotgg-t3code.AppImage");
+    let store = RegistryStore::new(registry_path.clone());
+    store
+        .save(&Registry {
+            version: 1,
+            apps: vec![AppRecord {
+                stable_id: "pingdotgg-t3code".to_owned(),
+                display_name: "t3code".to_owned(),
+                source_input: Some("pingdotgg/t3code".to_owned()),
+                source: None,
+                installed_version: Some("0.0.11".to_owned()),
+                update_strategy: None,
+                metadata: Vec::new(),
+                install: Some(InstallMetadata {
+                    scope: InstallScope::User,
+                    payload_path: None,
+                    desktop_entry_path: None,
+                    icon_path: None,
+                }),
+            }],
+        })
+        .unwrap();
+
+    let mut cmd = Command::cargo_bin("aim").unwrap();
+
+    cmd.arg("update")
+        .env("AIM_REGISTRY_PATH", &registry_path)
+        .env(FIXTURE_MODE_ENV, "1")
+        .assert()
+        .success()
+        .stdout(contains("updated apps: 1"))
+        .stdout(contains("updates found:").not());
+
+    let updated = store.load().unwrap();
+    assert_eq!(updated.apps.len(), 1);
+    assert_eq!(updated.apps[0].stable_id, "pingdotgg-t3code");
+    assert_eq!(updated.apps[0].installed_version.as_deref(), Some("0.0.12"));
+    assert!(payload_path.exists());
+}

crates/aim-core/src/adapters/custom_json.rs

@@ -1,4 +1,7 @@
-use crate::adapters::traits::{AdapterCapabilities, SourceAdapter};
+use crate::adapters::traits::{
+    AdapterCapabilities, AdapterError, AdapterResolution, SourceAdapter,
+};
+use crate::domain::source::SourceRef;
 
 pub struct CustomJsonAdapter;
 
@@ -10,4 +13,12 @@ impl SourceAdapter for CustomJsonAdapter {
     fn capabilities(&self) -> AdapterCapabilities {
         AdapterCapabilities::exact_resolution_only()
     }
+
+    fn normalize(&self, _query: &str) -> Result<SourceRef, AdapterError> {
+        Err(AdapterError::UnsupportedQuery)
+    }
+
+    fn resolve(&self, _source: &SourceRef) -> Result<AdapterResolution, AdapterError> {
+        Err(AdapterError::UnsupportedSource)
+    }
 }

crates/aim-core/src/adapters/direct_url.rs

@@ -1,12 +1,32 @@
-use crate::adapters::traits::{AdapterCapabilities, AdapterResolution, SourceAdapter};
+use crate::adapters::traits::{
+    AdapterCapabilities, AdapterError, AdapterResolution, SourceAdapter,
+};
+use crate::app::query::resolve_query;
 use crate::domain::source::{ResolvedRelease, SourceKind, SourceRef};
 
 pub struct DirectUrlAdapter;
 
-impl DirectUrlAdapter {
+impl SourceAdapter for DirectUrlAdapter {
-    pub fn resolve(&self, source: &SourceRef) -> Result<AdapterResolution, DirectUrlAdapterError> {
+    fn id(&self) -> &'static str {
+        "direct-url"
+    }
+
+    fn capabilities(&self) -> AdapterCapabilities {
+        AdapterCapabilities::exact_resolution_only()
+    }
+
+    fn normalize(&self, query: &str) -> Result<SourceRef, AdapterError> {
+        let source = resolve_query(query).map_err(|_| AdapterError::UnsupportedQuery)?;
         if source.kind != SourceKind::DirectUrl {
-            return Err(DirectUrlAdapterError::UnsupportedSource);
+            return Err(AdapterError::UnsupportedQuery);
+        }
+
+        Ok(source)
+    }
+
+    fn resolve(&self, source: &SourceRef) -> Result<AdapterResolution, AdapterError> {
+        if source.kind != SourceKind::DirectUrl {
+            return Err(AdapterError::UnsupportedSource);
         }
 
         Ok(AdapterResolution {
@@ -18,18 +38,3 @@ impl DirectUrlAdapter {
         })
     }
 }
-
-impl SourceAdapter for DirectUrlAdapter {
-    fn id(&self) -> &'static str {
-        "direct-url"
-    }
-
-    fn capabilities(&self) -> AdapterCapabilities {
-        AdapterCapabilities::exact_resolution_only()
-    }
-}
-
-#[derive(Debug, Eq, PartialEq)]
-pub enum DirectUrlAdapterError {
-    UnsupportedSource,
-}

crates/aim-core/src/adapters/github.rs

@@ -1,4 +1,6 @@
-use crate::adapters::traits::{AdapterCapabilities, AdapterResolution, SourceAdapter};
+use crate::adapters::traits::{
+    AdapterCapabilities, AdapterError, AdapterResolution, SourceAdapter,
+};
 use crate::app::query::resolve_query;
 use crate::domain::source::{ResolvedRelease, SourceKind, SourceRef};
 
@@ -14,24 +16,6 @@ impl GitHubAdapter {
     pub fn new() -> Self {
         Self
     }
-
-    pub fn resolve(&self, source: &SourceRef) -> Result<AdapterResolution, GitHubAdapterError> {
-        if source.kind != SourceKind::GitHub {
-            return Err(GitHubAdapterError::UnsupportedSource);
-        }
-
-        Ok(AdapterResolution {
-            source: source.clone(),
-            release: ResolvedRelease {
-                version: "latest".to_owned(),
-                prerelease: false,
-            },
-        })
-    }
-
-    pub fn normalize(&self, query: &str) -> Result<SourceRef, GitHubAdapterError> {
-        resolve_query(query).map_err(|_| GitHubAdapterError::UnsupportedSource)
-    }
 }
 
 impl SourceAdapter for GitHubAdapter {
@@ -45,9 +29,27 @@ impl SourceAdapter for GitHubAdapter {
             supports_exact_resolution: true,
         }
     }
-}
 
-#[derive(Debug, Eq, PartialEq)]
+    fn normalize(&self, query: &str) -> Result<SourceRef, AdapterError> {
-pub enum GitHubAdapterError {
+        let source = resolve_query(query).map_err(|_| AdapterError::UnsupportedQuery)?;
-    UnsupportedSource,
+        if source.kind != SourceKind::GitHub {
+            return Err(AdapterError::UnsupportedQuery);
+        }
+
+        Ok(source)
+    }
+
+    fn resolve(&self, source: &SourceRef) -> Result<AdapterResolution, AdapterError> {
+        if source.kind != SourceKind::GitHub {
+            return Err(AdapterError::UnsupportedSource);
+        }
+
+        Ok(AdapterResolution {
+            source: source.clone(),
+            release: ResolvedRelease {
+                version: "latest".to_owned(),
+                prerelease: false,
+            },
+        })
+    }
 }

crates/aim-core/src/adapters/gitlab.rs

@@ -1,24 +1,11 @@
-use crate::adapters::traits::{AdapterCapabilities, AdapterResolution, SourceAdapter};
+use crate::adapters::traits::{
+    AdapterCapabilities, AdapterError, AdapterResolution, SourceAdapter,
+};
+use crate::app::query::resolve_query;
 use crate::domain::source::{ResolvedRelease, SourceKind, SourceRef};
 
 pub struct GitLabAdapter;
 
-impl GitLabAdapter {
-    pub fn resolve(&self, source: &SourceRef) -> Result<AdapterResolution, GitLabAdapterError> {
-        if source.kind != SourceKind::GitLab {
-            return Err(GitLabAdapterError::UnsupportedSource);
-        }
-
-        Ok(AdapterResolution {
-            source: source.clone(),
-            release: ResolvedRelease {
-                version: "latest".to_owned(),
-                prerelease: false,
-            },
-        })
-    }
-}
-
 impl SourceAdapter for GitLabAdapter {
     fn id(&self) -> &'static str {
         "gitlab"
@@ -30,9 +17,27 @@ impl SourceAdapter for GitLabAdapter {
             supports_exact_resolution: true,
         }
     }
-}
 
-#[derive(Debug, Eq, PartialEq)]
+    fn normalize(&self, query: &str) -> Result<SourceRef, AdapterError> {
-pub enum GitLabAdapterError {
+        let source = resolve_query(query).map_err(|_| AdapterError::UnsupportedQuery)?;
-    UnsupportedSource,
+        if source.kind != SourceKind::GitLab {
+            return Err(AdapterError::UnsupportedQuery);
+        }
+
+        Ok(source)
+    }
+
+    fn resolve(&self, source: &SourceRef) -> Result<AdapterResolution, AdapterError> {
+        if source.kind != SourceKind::GitLab {
+            return Err(AdapterError::UnsupportedSource);
+        }
+
+        Ok(AdapterResolution {
+            source: source.clone(),
+            release: ResolvedRelease {
+                version: "latest".to_owned(),
+                prerelease: false,
+            },
+        })
+    }
 }

crates/aim-core/src/adapters/sourceforge.rs

@@ -1,4 +1,7 @@
-use crate::adapters::traits::{AdapterCapabilities, SourceAdapter};
+use crate::adapters::traits::{
+    AdapterCapabilities, AdapterError, AdapterResolution, SourceAdapter,
+};
+use crate::domain::source::SourceRef;
 
 pub struct SourceForgeAdapter;
 
@@ -13,4 +16,12 @@ impl SourceAdapter for SourceForgeAdapter {
             supports_exact_resolution: true,
         }
     }
+
+    fn normalize(&self, _query: &str) -> Result<SourceRef, AdapterError> {
+        Err(AdapterError::UnsupportedQuery)
+    }
+
+    fn resolve(&self, _source: &SourceRef) -> Result<AdapterResolution, AdapterError> {
+        Err(AdapterError::UnsupportedSource)
+    }
 }

crates/aim-core/src/adapters/test_support.rs

@@ -1,5 +1,7 @@
-use crate::adapters::traits::AdapterCapabilities;
+use crate::adapters::traits::{
-use crate::adapters::traits::SourceAdapter;
+    AdapterCapabilities, AdapterError, AdapterResolution, SourceAdapter,
+};
+use crate::domain::source::SourceRef;
 
 #[derive(Debug)]
 pub struct MockAdapter {
@@ -24,4 +26,12 @@ impl SourceAdapter for MockAdapter {
     fn capabilities(&self) -> AdapterCapabilities {
         self.capabilities
     }
+
+    fn normalize(&self, _query: &str) -> Result<SourceRef, AdapterError> {
+        Err(AdapterError::UnsupportedQuery)
+    }
+
+    fn resolve(&self, _source: &SourceRef) -> Result<AdapterResolution, AdapterError> {
+        Err(AdapterError::UnsupportedSource)
+    }
 }

crates/aim-core/src/adapters/traits.rs

@@ -22,8 +22,19 @@ pub struct AdapterResolution {
     pub release: ResolvedRelease,
 }
 
+#[derive(Clone, Debug, Eq, PartialEq)]
+pub enum AdapterError {
+    UnsupportedQuery,
+    UnsupportedSource,
+    ResolutionFailed(String),
+}
+
 pub trait SourceAdapter {
     fn id(&self) -> &'static str;
 
     fn capabilities(&self) -> AdapterCapabilities;
+
+    fn normalize(&self, query: &str) -> Result<SourceRef, AdapterError>;
+
+    fn resolve(&self, source: &SourceRef) -> Result<AdapterResolution, AdapterError>;
 }

crates/aim-core/src/adapters/zsync.rs

@@ -1,4 +1,7 @@
-use crate::adapters::traits::{AdapterCapabilities, SourceAdapter};
+use crate::adapters::traits::{
+    AdapterCapabilities, AdapterError, AdapterResolution, SourceAdapter,
+};
+use crate::domain::source::SourceRef;
 
 pub struct ZsyncAdapter;
 
@@ -10,4 +13,12 @@ impl SourceAdapter for ZsyncAdapter {
     fn capabilities(&self) -> AdapterCapabilities {
         AdapterCapabilities::exact_resolution_only()
     }
+
+    fn normalize(&self, _query: &str) -> Result<SourceRef, AdapterError> {
+        Err(AdapterError::UnsupportedQuery)
+    }
+
+    fn resolve(&self, _source: &SourceRef) -> Result<AdapterResolution, AdapterError> {
+        Err(AdapterError::UnsupportedSource)
+    }
 }

crates/aim-core/src/app/update.rs

@@ -1,5 +1,11 @@
-use crate::domain::app::AppRecord;
+use std::path::Path;
-use crate::domain::update::{ChannelPreference, PlannedUpdate, UpdateChannelKind, UpdatePlan};
+
+use crate::app::add::{build_add_plan, install_app};
+use crate::domain::app::{AppRecord, InstallScope};
+use crate::domain::update::{
+    ChannelPreference, ExecutedUpdate, PlannedUpdate, UpdateChannelKind, UpdateExecutionResult,
+    UpdateExecutionStatus, UpdatePlan,
+};
 
 pub fn build_update_plan(apps: &[AppRecord]) -> Result<UpdatePlan, BuildUpdatePlanError> {
     Ok(UpdatePlan {
@@ -7,9 +13,59 @@ pub fn build_update_plan(apps: &[AppRecord]) -> Result<UpdatePlan, BuildUpdatePl
     })
 }
 
+pub fn execute_updates(
+    apps: &[AppRecord],
+    install_home: &Path,
+) -> Result<UpdateExecutionResult, ExecuteUpdatesError> {
+    let mut updated_apps = Vec::with_capacity(apps.len());
+    let mut items = Vec::with_capacity(apps.len());
+
+    for app in apps {
+        match execute_update(app, install_home) {
+            Ok(updated) => {
+                let warnings = updated
+                    .warnings
+                    .iter()
+                    .chain(updated.install_outcome.warnings.iter())
+                    .cloned()
+                    .collect();
+                let record = updated.record;
+                items.push(ExecutedUpdate {
+                    stable_id: app.stable_id.clone(),
+                    display_name: app.display_name.clone(),
+                    from_version: app.installed_version.clone(),
+                    to_version: record.installed_version.clone(),
+                    warnings,
+                    status: UpdateExecutionStatus::Updated,
+                });
+                updated_apps.push(record);
+            }
+            Err(reason) => {
+                items.push(ExecutedUpdate {
+                    stable_id: app.stable_id.clone(),
+                    display_name: app.display_name.clone(),
+                    from_version: app.installed_version.clone(),
+                    to_version: app.installed_version.clone(),
+                    warnings: Vec::new(),
+                    status: UpdateExecutionStatus::Failed { reason },
+                });
+                updated_apps.push(app.clone());
+            }
+        }
+    }
+
+    Ok(UpdateExecutionResult {
+        apps: updated_apps,
+        items,
+    })
+}
+
 #[derive(Debug, Eq, PartialEq)]
 pub enum BuildUpdatePlanError {}
 
+#[derive(Debug, Eq, PartialEq)]
+pub enum ExecuteUpdatesError {}
+
 fn plan_update(app: &AppRecord) -> PlannedUpdate {
     let (selected_channel, selection_reason) = if let Some(strategy) = &app.update_strategy {
         if strategy.preferred.locator.contains("fail") {
@@ -47,3 +103,31 @@ fn plan_update(app: &AppRecord) -> PlannedUpdate {
         selection_reason,
     }
 }
+
+fn execute_update(
+    app: &AppRecord,
+    install_home: &Path,
+) -> Result<crate::app::add::InstalledApp, String> {
+    let query = update_query(app).ok_or_else(|| "missing install source".to_owned())?;
+    let requested_scope = app
+        .install
+        .as_ref()
+        .map(|install| install.scope)
+        .unwrap_or(InstallScope::User);
+    let plan = build_add_plan(&query)
+        .map_err(|error| format!("failed to build update plan: {error:?}"))?;
+
+    install_app(&query, &plan, install_home, requested_scope)
+        .map_err(|error| format!("failed to install update: {error:?}"))
+}
+
+fn update_query(app: &AppRecord) -> Option<String> {
+    app.source_input.clone().or_else(|| {
+        app.source.as_ref().map(|source| {
+            source
+                .canonical_locator
+                .clone()
+                .unwrap_or_else(|| source.locator.clone())
+        })
+    })
+}

crates/aim-core/src/domain/update.rs

@@ -1,3 +1,5 @@
+use crate::domain::app::AppRecord;
+
 #[derive(Clone, Copy, Debug, Eq, PartialEq, serde::Deserialize, serde::Serialize)]
 pub enum ParsedMetadataKind {
     Unknown,
@@ -98,3 +100,41 @@ pub struct PlannedUpdate {
     pub selected_channel: ChannelPreference,
     pub selection_reason: String,
 }
+
+#[derive(Clone, Debug, Eq, PartialEq)]
+pub struct UpdateExecutionResult {
+    pub apps: Vec<AppRecord>,
+    pub items: Vec<ExecutedUpdate>,
+}
+
+impl UpdateExecutionResult {
+    pub fn updated_count(&self) -> usize {
+        self.items
+            .iter()
+            .filter(|item| item.status == UpdateExecutionStatus::Updated)
+            .count()
+    }
+
+    pub fn failed_count(&self) -> usize {
+        self.items
+            .iter()
+            .filter(|item| matches!(item.status, UpdateExecutionStatus::Failed { .. }))
+            .count()
+    }
+}
+
+#[derive(Clone, Debug, Eq, PartialEq)]
+pub struct ExecutedUpdate {
+    pub stable_id: String,
+    pub display_name: String,
+    pub from_version: Option<String>,
+    pub to_version: Option<String>,
+    pub warnings: Vec<String>,
+    pub status: UpdateExecutionStatus,
+}
+
+#[derive(Clone, Debug, Eq, PartialEq)]
+pub enum UpdateExecutionStatus {
+    Updated,
+    Failed { reason: String },
+}

crates/aim-core/tests/adapter_contract.rs

@@ -1,5 +1,6 @@
 use aim_core::adapters::github::GitHubAdapter;
-use aim_core::adapters::traits::AdapterCapabilities;
+use aim_core::adapters::gitlab::GitLabAdapter;
+use aim_core::adapters::traits::{AdapterCapabilities, SourceAdapter};
 
 #[test]
 fn adapter_capabilities_can_report_exact_resolution_only() {
@@ -9,10 +10,27 @@ fn adapter_capabilities_can_report_exact_resolution_only() {
 
 #[test]
 fn legacy_github_adapter_delegates_to_source_pipeline() {
-    let adapter = GitHubAdapter;
+    let adapter: &dyn SourceAdapter = &GitHubAdapter;
 
     let result = adapter.normalize("sharkdp/bat").unwrap();
 
     assert_eq!(result.normalized_kind.as_str(), "github-repository");
     assert_eq!(result.canonical_locator.as_deref(), Some("sharkdp/bat"));
+
+    let resolution = adapter.resolve(&result).unwrap();
+    assert_eq!(resolution.release.version, "latest");
+}
+
+#[test]
+fn gitlab_adapter_normalizes_and_resolves_through_trait() {
+    let adapter: &dyn SourceAdapter = &GitLabAdapter;
+
+    let result = adapter
+        .normalize("https://gitlab.com/example/team/app")
+        .unwrap();
+
+    assert_eq!(result.kind.as_str(), "gitlab");
+
+    let resolution = adapter.resolve(&result).unwrap();
+    assert_eq!(resolution.release.version, "latest");
 }

crates/aim-core/tests/update_planning.rs

@@ -1,6 +1,7 @@
-use aim_core::app::update::build_update_plan;
+use aim_core::app::update::{build_update_plan, execute_updates};
-use aim_core::domain::app::AppRecord;
+use aim_core::domain::app::{AppRecord, InstallMetadata, InstallScope};
 use aim_core::domain::update::{ChannelPreference, UpdateChannelKind, UpdateStrategy};
+use tempfile::tempdir;
 
 #[test]
 fn empty_registry_produces_empty_plan() {
@@ -61,3 +62,29 @@ fn update_plan_uses_alternate_channel_after_preferred_failure() {
     );
     assert_eq!(plan.items[0].selection_reason, "preferred-channel-failed");
 }
+
+#[test]
+fn failed_update_keeps_previous_app_record() {
+    let install_home = tempdir().unwrap();
+    let previous = AppRecord {
+        stable_id: "legacy-bat".to_owned(),
+        display_name: "Legacy Bat".to_owned(),
+        source_input: None,
+        source: None,
+        installed_version: Some("0.9.0".to_owned()),
+        update_strategy: None,
+        metadata: Vec::new(),
+        install: Some(InstallMetadata {
+            scope: InstallScope::User,
+            payload_path: None,
+            desktop_entry_path: None,
+            icon_path: None,
+        }),
+    };
+
+    let result = execute_updates(std::slice::from_ref(&previous), install_home.path()).unwrap();
+
+    assert_eq!(result.apps, vec![previous]);
+    assert_eq!(result.updated_count(), 0);
+    assert_eq!(result.failed_count(), 1);
+}