add snapshot diff to the CLI

Author: Byron

crates/gitbutler-cli/src/args.rs

@@ -160,6 +160,11 @@ pub mod snapshot {
             /// The snapshot to restore
             snapshot_id: String,
         },
+        /// Show what is stored in a given snapshot.
+        Diff {
+            /// The hex-hash of the commit-id of the snapshot.
+            snapshot_id: String,
+        },
     }
 }
 

crates/gitbutler-cli/src/command/mod.rs

@@ -2,6 +2,7 @@ pub mod prepare;
 pub mod project;
 pub mod vbranch;
 pub mod snapshot {
+    use crate::command::debug_print;
     use anyhow::Result;
     use gitbutler_oplog::OplogExt;
     use gitbutler_project::Project;
@@ -23,6 +24,10 @@ pub mod snapshot {
         project.restore_snapshot(snapshot_id.parse()?)?;
         Ok(())
     }
+
+    pub fn diff(project: Project, snapshot_id: String) -> Result<()> {
+        debug_print(project.snapshot_diff(snapshot_id.parse()?))
+    }
 }
 
 fn debug_print(this: impl std::fmt::Debug) -> anyhow::Result<()> {

crates/gitbutler-cli/src/main.rs

@@ -85,6 +85,9 @@ fn main() -> Result<()> {
                 Some(snapshot::SubCommands::Restore { snapshot_id }) => {
                     command::snapshot::restore(project, snapshot_id)
                 }
+                Some(snapshot::SubCommands::Diff { snapshot_id }) => {
+                    command::snapshot::diff(project, snapshot_id)
+                }
                 None => command::snapshot::list(project),
             }
         }