feat: implement unpacking

src/config.rs

@@ -9,6 +9,7 @@ use crate::{
 
 #[derive(Serialize, Deserialize)]
 pub struct Config {
+    #[serde(default)]
     pub sync: Sync,
 }
 
@@ -17,6 +18,14 @@ pub struct Sync {
     pub fs_dir: Option<String>,
 }
 
+impl Default for Sync {
+    fn default() -> Self {
+        Self {
+            fs_dir: Some(base_path_local().to_string_lossy().into_owned()),
+        }
+    }
+}
+
 impl Config {
     pub fn new() -> Result<Self> {
         let path = base_path_local().join("config.toml");

src/main.rs

@@ -31,6 +31,8 @@ struct Cli {
 enum Commands {
     /// push current state to storage
     Push,
+    /// update state with latest revision
+    Pull,
 }
 
 struct AppState {
@@ -68,6 +70,9 @@ fn run() -> crate::error::Result<()> {
         Some(Commands::Push) => {
             app_state.storage.store_revision(app_state.clone())?;
         }
+        Some(Commands::Pull) => {
+            app_state.storage.unpack_revision(app_state.clone())?;
+        }
         _ => Cli::command().print_long_help()?,
     }
 

src/reporter.rs

@@ -1,4 +1,4 @@
-use std::borrow::Cow;
+use std::{borrow::Cow, time::Duration};
 
 use indicatif::{HumanBytes, ProgressBar, ProgressDrawTarget, ProgressStyle};
 
@@ -19,7 +19,7 @@ impl Reporter {
                 .unwrap()
                 .tick_chars(TICK_CHARS),
         );
-        spinner.enable_steady_tick(std::time::Duration::from_millis(100));
+        spinner.enable_steady_tick(Duration::from_millis(100));
         spinner.set_draw_target(ProgressDrawTarget::stderr_with_hz(20));
         Self { app_state, spinner }
     }
@@ -57,6 +57,25 @@ impl Reporter {
         self.spinner.finish_with_message(msg);
     }
 
+    pub fn start_extract_progress(&self, operation: impl Into<Cow<'static, str>>) -> ProgressBar {
+        let bar = self.app_state.multi.add(ProgressBar::new_spinner());
+        bar.set_style(
+            ProgressStyle::with_template("{msg:8.214/yellow} {spinner} [{elapsed_precise}]")
+                .unwrap()
+                .tick_chars(TICK_CHARS),
+        );
+        bar.enable_steady_tick(Duration::from_millis(100));
+        bar.set_message(operation);
+        bar
+    }
+
+    pub fn finish_extract_progress(bar: &ProgressBar, msg: impl Into<Cow<'static, str>>) {
+        bar.set_style(
+            ProgressStyle::with_template("{msg:>12.green} ✓ [{elapsed_precise}]").unwrap(),
+        );
+        bar.finish_with_message(msg);
+    }
+
     pub fn start_bytes_progress(
         &self,
         total_bytes: u64,

src/storage/fs.rs

@@ -9,7 +9,7 @@ use crate::Data;
 use crate::archive::create_archive;
 use crate::error::{Error, Result};
 use crate::reporter::Reporter;
-use crate::storage::StorageImpl;
+use crate::storage::{StorageImpl, base_path_prism};
 
 pub struct FSStorage;
 
@@ -111,17 +111,13 @@ impl StorageImpl for FSStorage {
         Ok(archive)
     }
 
-    fn unpack_revision(
-        &self,
-        app_state: Data,
-        destination: PathBuf,
-        revision: usize,
-    ) -> Result<()> {
+    fn unpack_revision(&self, app_state: Data) -> Result<()> {
+        let revision = self.get_revision_metadata(app_state.clone())?;
         let mut archive = self.retrieve_revision(app_state.clone(), revision)?;
         let entries = archive.entries()?;
-        let reporter = Reporter::new(app_state);
-        let total_files = entries.progress_with_style
-        reporter.start_archive_progress(total);
+        let reporter =
+            Reporter::new(app_state.clone()).start_extract_progress("extracting revision");
+        let destination = base_path_prism();
 
         for entry in entries {
             let mut entry = entry?;
@@ -129,6 +125,7 @@ impl StorageImpl for FSStorage {
                 .unpack_in(&destination)
                 .map_err(|e| Error::unpack_error(e))?;
         }
+        Reporter::finish_extract_progress(&reporter, "extracted revision");
 
         Ok(())
     }

src/storage/mod.rs

@@ -14,8 +14,7 @@ pub trait StorageImpl {
         app_state: Data,
         revision: usize,
     ) -> Result<tar::Archive<GzDecoder<BufReader<std::fs::File>>>>;
-    fn unpack_revision(&self, app_state: Data, destination: PathBuf, revision: usize)
-    -> Result<()>;
+    fn unpack_revision(&self, app_state: Data) -> Result<()>;
 }
 
 pub enum Storage {
@@ -47,14 +46,9 @@ impl StorageImpl for Storage {
         }
     }
 
-    fn unpack_revision(
-        &self,
-        app_state: Data,
-        destination: PathBuf,
-        revision: usize,
-    ) -> Result<()> {
+    fn unpack_revision(&self, app_state: Data) -> Result<()> {
         match self {
-            Self::FS(storage) => storage.unpack_revision(app_state, destination, revision),
+            Self::FS(storage) => storage.unpack_revision(app_state),
         }
     }
 }