cli: Add `-v` flag to `rad patch show`

With this flag, additional data such as the patch base is shown.

radicle-cli/examples/rad-patch-ahead-behind.md

@@ -55,12 +55,13 @@ $ rad patch list
 When showing the patch, we see that it is `ahead 1, behind 1`, since master has
 diverged by one commit:
 ```
-$ rad patch show -p 866f59c
+$ rad patch show -v -p 866f59c
 ╭────────────────────────────────────────────────────────────────────╮
 │ Title     Add Alan                                                 │
 │ Patch     866f59c001cd4d78a151f444b34265566c83c264                 │
 │ Author    did:key:z6MknSLrJoTcukLrE435hVNQT4JUhbvWLX4kUzqkEStBU8Vi │
 │ Head      5c88a79d75f5c2b4cc51ee6f163d2db91ee198d7                 │
+│ Base      f64fb2c8fe28f7c458c72ec8d700373924794943                 │
 │ Branches  feature/1                                                │
 │ Commits   ahead 1, behind 1                                        │
 │ Status    open                                                     │
@@ -100,12 +101,13 @@ To rad://z42hL2jL4XNk6K8oHQaSWfMgCL7ji/z6MknSLrJoTcukLrE435hVNQT4JUhbvWLX4kUzqkE
 When we look at the patch, we see that it has both commits, because this new
 patch uses the same base as the previous patch:
 ```
-$ rad patch show 57cb9b2758518e547de324456ac967fda456c6c1
+$ rad patch show -v 57cb9b2758518e547de324456ac967fda456c6c1
 ╭────────────────────────────────────────────────────────────────────╮
 │ Title     Add Mel                                                  │
 │ Patch     57cb9b2758518e547de324456ac967fda456c6c1                 │
 │ Author    did:key:z6MknSLrJoTcukLrE435hVNQT4JUhbvWLX4kUzqkEStBU8Vi │
 │ Head      7f63fcbcf23fc39eea784c091ad3d20d7e4bd005                 │
+│ Base      f64fb2c8fe28f7c458c72ec8d700373924794943                 │
 │ Branches  feature/2                                                │
 │ Commits   ahead 2, behind 1                                        │
 │ Status    open                                                     │

radicle-cli/src/commands/patch.rs

@@ -55,6 +55,7 @@ Usage
 Show options
 
     -p, --patch                Show the actual patch diff
+    -v, --verbose              Show additional information about the patch
 
 Edit options
 
@@ -126,6 +127,7 @@ pub enum Operation {
     Show {
         patch_id: Rev,
         diff: bool,
+        verbose: bool,
     },
     Update {
         patch_id: Option<Rev>,
@@ -296,6 +298,7 @@ impl Args for Options {
             OperationName::List => Operation::List { filter },
             OperationName::Show => Operation::Show {
                 patch_id: patch_id.ok_or_else(|| anyhow!("a patch must be provided"))?,
+                verbose,
                 diff,
             },
             OperationName::Delete => Operation::Delete {
@@ -355,9 +358,13 @@ pub fn run(options: Options, ctx: impl term::Context) -> anyhow::Result<()> {
         Operation::List { filter: Filter(f) } => {
             list::run(f, &repository, &profile)?;
         }
-        Operation::Show { patch_id, diff } => {
+        Operation::Show {
+            patch_id,
+            diff,
+            verbose,
+        } => {
             let patch_id = patch_id.resolve(&repository.backend)?;
-            show::run(&patch_id, diff, &profile, &repository, &workdir)?;
+            show::run(&patch_id, diff, verbose, &profile, &repository, &workdir)?;
         }
         Operation::Update {
             ref patch_id,

radicle-cli/src/commands/patch/show.rs

@@ -54,6 +54,7 @@ fn patch_commits(patch: &patch::Patch, stored: &Repository) -> anyhow::Result<Ve
 pub fn run(
     patch_id: &PatchId,
     diff: bool,
+    verbose: bool,
     profile: &Profile,
     stored: &Repository,
     // TODO: Should be optional.
@@ -92,6 +93,12 @@ pub fn run(
         term::format::tertiary("Head".to_owned()).into(),
         term::format::secondary(revision.head().to_string()).into(),
     ]);
+    if verbose {
+        attrs.push([
+            term::format::tertiary("Base".to_owned()).into(),
+            term::format::secondary(revision.base().to_string()).into(),
+        ]);
+    }
     if !branches.is_empty() {
         attrs.push([
             term::format::tertiary("Branches".to_owned()).into(),