Show symbol if tag is not yet pushed

This partly addresses gitui-org#742.

Author: cruessler

asyncgit/src/lib.rs

@@ -33,6 +33,8 @@ mod progress;
 mod push;
 mod push_tags;
 pub mod remote_progress;
+///
+pub mod remotes;
 mod revlog;
 mod status;
 pub mod sync;
@@ -85,6 +87,9 @@ pub enum AsyncNotification {
     ///
     //TODO: this does not belong here
     SyntaxHighlighting,
+    ///
+    //TODO: this does not belong here
+    RemoteTags,
 }
 
 /// current working directory `./`

asyncgit/src/remotes.rs

@@ -0,0 +1,63 @@
+use crate::{
+    asyncjob::AsyncJob,
+    error::Result,
+    sync::remotes::{get_default_remote, tags_missing_remote},
+    CWD,
+};
+
+use std::sync::{Arc, Mutex};
+
+enum JobState {
+    Request,
+    Response(Result<Vec<String>>),
+}
+
+///
+#[derive(Clone, Default)]
+pub struct AsyncRemoteTagsJob {
+    state: Arc<Mutex<Option<JobState>>>,
+}
+
+///
+impl AsyncRemoteTagsJob {
+    ///
+    pub fn new() -> Self {
+        Self {
+            state: Arc::new(Mutex::new(Some(JobState::Request))),
+        }
+    }
+
+    ///
+    pub fn result(&self) -> Option<Result<Vec<String>>> {
+        if let Ok(mut state) = self.state.lock() {
+            if let Some(state) = state.take() {
+                return match state {
+                    JobState::Request => None,
+                    JobState::Response(result) => Some(result),
+                };
+            }
+        }
+
+        None
+    }
+}
+
+impl AsyncJob for AsyncRemoteTagsJob {
+    fn run(&mut self) {
+        if let Ok(mut state) = self.state.lock() {
+            *state = state.take().map(|state| match state {
+                JobState::Request => {
+                    let result =
+                        get_default_remote(CWD).and_then(|remote| {
+                            tags_missing_remote(CWD, &remote, None)
+                        });
+
+                    JobState::Response(result)
+                }
+                JobState::Response(result) => {
+                    JobState::Response(result)
+                }
+            });
+        }
+    }
+}

asyncgit/src/sync/remotes/mod.rs

@@ -16,6 +16,8 @@ use push::remote_callbacks;
 use scopetime::scope_time;
 use utils::bytes2string;
 
+pub use tags::tags_missing_remote;
+
 /// origin
 pub const DEFAULT_REMOTE_NAME: &str = "origin";
 

asyncgit/src/sync/remotes/tags.rs

@@ -73,7 +73,7 @@ fn remote_tag_refs(
 }
 
 /// lists the remotes tags missing
-fn tags_missing_remote(
+pub fn tags_missing_remote(
     repo_path: &str,
     remote: &str,
     basic_credential: Option<BasicAuthCredential>,

src/app.rs

@@ -167,6 +167,7 @@ impl App {
             ),
             tags_popup: TagListComponent::new(
                 &queue,
+                sender,
                 theme.clone(),
                 key_config.clone(),
             ),
@@ -357,6 +358,7 @@ impl App {
         self.push_tags_popup.update_git(ev)?;
         self.pull_popup.update_git(ev)?;
         self.revision_files_popup.update(ev);
+        self.tags_popup.update(ev);
 
         //TODO: better system for this
         // can we simply process the queue here and everyone just uses the queue to schedule a cmd update?
@@ -383,6 +385,7 @@ impl App {
             || self.push_tags_popup.any_work_pending()
             || self.pull_popup.any_work_pending()
             || self.revision_files_popup.any_work_pending()
+            || self.tags_popup.any_work_pending()
     }
 
     ///

src/components/taglist.rs

@@ -11,9 +11,12 @@ use crate::{
 };
 use anyhow::Result;
 use asyncgit::{
+    asyncjob::AsyncSingleJob,
+    remotes::AsyncRemoteTagsJob,
     sync::{get_tags_with_metadata, TagWithMetadata},
-    CWD,
+    AsyncNotification, CWD,
 };
+use crossbeam_channel::Sender;
 use crossterm::event::Event;
 use std::convert::TryInto;
 use tui::{
@@ -36,6 +39,9 @@ pub struct TagListComponent {
     visible: bool,
     table_state: std::cell::Cell<TableState>,
     current_height: std::cell::Cell<usize>,
+    missing_remote_tags: Option<Vec<String>>,
+    async_remote_tags:
+        AsyncSingleJob<AsyncRemoteTagsJob, AsyncNotification>,
     key_config: SharedKeyConfig,
 }
 
@@ -65,6 +71,8 @@ impl DrawableComponent for TagListComponent {
                 });
 
             let constraints = [
+                // symbol if tag is not yet on remote and can be pushed
+                Constraint::Length(1),
                 // tag name
                 Constraint::Length(tag_name_width.try_into()?),
                 // commit date
@@ -228,6 +236,7 @@ impl Component for TagListComponent {
 impl TagListComponent {
     pub fn new(
         queue: &Queue,
+        sender: &Sender<AsyncNotification>,
         theme: SharedTheme,
         key_config: SharedKeyConfig,
     ) -> Self {
@@ -238,6 +247,11 @@ impl TagListComponent {
             visible: false,
             table_state: std::cell::Cell::new(TableState::default()),
             current_height: std::cell::Cell::new(0),
+            missing_remote_tags: None,
+            async_remote_tags: AsyncSingleJob::new(
+                sender.clone(),
+                AsyncNotification::RemoteTags,
+            ),
             key_config,
         }
     }
@@ -252,12 +266,33 @@ impl TagListComponent {
         Ok(())
     }
 
+    ///
+    pub fn update(&mut self, event: AsyncNotification) {
+        if event == AsyncNotification::RemoteTags {
+            if let Some(job) = self.async_remote_tags.take_last() {
+                if let Some(Ok(missing_remote_tags)) = job.result() {
+                    self.missing_remote_tags =
+                        Some(missing_remote_tags);
+                }
+            }
+        }
+    }
+
+    ///
+    pub fn any_work_pending(&self) -> bool {
+        self.async_remote_tags.is_pending()
+    }
+
     /// fetch list of tags
     pub fn update_tags(&mut self) -> Result<()> {
         let tags = get_tags_with_metadata(CWD)?;
 
         self.tags = Some(tags);
 
+        if self.missing_remote_tags.is_none() {
+            self.async_remote_tags.spawn(AsyncRemoteTagsJob::new());
+        }
+
         Ok(())
     }
 
@@ -305,7 +340,27 @@ impl TagListComponent {
 
     ///
     fn get_row(&self, tag: &TagWithMetadata) -> Row {
+        const UPSTREAM_SYMBOL: &str = "\u{2191}";
+        const EMPTY_SYMBOL: &str = " ";
+
+        let is_tag_missing_on_remote = self
+            .missing_remote_tags
+            .as_ref()
+            .map_or(false, |missing_remote_tags| {
+                let remote_tag = format!("refs/tags/{}", tag.name);
+
+                missing_remote_tags.contains(&remote_tag)
+            });
+
+        let has_remote_str = if is_tag_missing_on_remote {
+            UPSTREAM_SYMBOL
+        } else {
+            EMPTY_SYMBOL
+        };
+
         let cells: Vec<Cell> = vec![
+            Cell::from(has_remote_str)
+                .style(self.theme.commit_author(false)),
             Cell::from(tag.name.clone())
                 .style(self.theme.text(true, false)),
             Cell::from(utils::time_to_string(tag.time, true))