add restoration of files and packages

1 files changed, 31 insertions, 13 deletions

diff --git a/src/pathinfo.rs b/src/pathinfo.rs
index 03b8a6b..1231ff8 100644
--- a/src/pathinfo.rs
+++ b/src/pathinfo.rs
@@ -6,7 +6,7 @@ use std::{
 };
 
 use serde::{Deserialize, Serialize};
-use tracing::info;
+use tracing::{debug, info};
 
 use crate::{
     backup::{Backup, Id},
@@ -186,6 +186,33 @@ impl PathInfo {
         Ok(())
     }
 
+    pub fn restore(&self, config: &Config, backup_root: &str) -> Result<()> {
+        if self.is_file {
+            info!(?self.rel_location, "Restore File");
+            let backup_path = if let Some(last_modified) = self.last_modified.clone() {
+                let backup = Backup::from_index(config, &last_modified)?;
+                &backup.get_location(config).get_absolute_dir(config)
+            } else {
+                backup_root
+            };
+            let backup_loc = format!("{}/{}", backup_path, self.rel_location);
+            let system_loc = self.get_absolute_path();
+            debug!(?backup_loc, ?system_loc, "copy");
+
+            if let Some(parents) = system_loc.parent() {
+                create_dir_all(parents)?;
+            }
+
+            std::fs::copy(backup_loc, system_loc)?;
+        } else {
+            for path in &self.children {
+                path.restore(config, backup_root)?;
+            }
+        }
+
+        Ok(())
+    }
+
     fn get_abs_path(location_root: &str, rel_location: &str) -> PathBuf {
         let path = format!("{location_root}/{rel_location}");
         PathBuf::from(path)
@@ -196,10 +223,7 @@ impl PathInfo {
             return Err(Error::InvalidDirectory(value.to_string()));
         };
         if split.0.starts_with('~') {
-            return Ok((
-                split.1.to_string(),
-                LocationRoot::User,
-            ));
+            return Ok((split.1.to_string(), LocationRoot::User));
         };
         Ok((
             split.1.to_string(),
@@ -330,17 +354,11 @@ mod tests {
         let mut values_ok: Vec<(&str, (String, LocationRoot))> = Vec::new();
         values_ok.push((
             "~/.config/nvim",
-            (
-                ".config/nvim".to_string(),
-                LocationRoot::User,
-            ),
+            (".config/nvim".to_string(), LocationRoot::User),
         ));
         values_ok.push((
             "u:test/.config/nvim",
-            (
-                ".config/nvim".to_string(),
-                LocationRoot::User,
-            ),
+            (".config/nvim".to_string(), LocationRoot::User),
         ));
         values_ok.push((
             "r:/.config/nvim",