Add backup all option.

Fixes #35.

datman/src/bin/datman.rs

@@ -5,7 +5,7 @@ use env_logger::Env;
 
 use anyhow::bail;
 use chrono::{DateTime, Local, NaiveDate, NaiveDateTime, TimeZone, Utc};
-use datman::commands::backup::backup_source_to_destination;
+use datman::commands::backup::{backup_all_sources_to_destination, backup_source_to_destination};
 use datman::commands::ilabel::interactive_labelling_session;
 use datman::commands::init_descriptor;
 use datman::descriptor::load_descriptor;
@@ -35,7 +35,12 @@ pub enum DatmanCommand {
         /// Name of the source to back up.
         source_name: String,
 
-        /// Name of the destination to back up.
+        /// Name of the destination to back up to.
+        destination_name: String,
+    },
+
+    BackupAll {
+        /// Name of the destination to back up to.
         destination_name: String,
     },
 
@@ -132,6 +137,18 @@ fn main() -> anyhow::Result<()> {
             )
             .unwrap();
         }
+        DatmanCommand::BackupAll { destination_name } => {
+            let descriptor = load_descriptor(Path::new(".")).unwrap();
+            let destination = &descriptor.piles[&destination_name];
+            backup_all_sources_to_destination(
+                destination,
+                &descriptor,
+                Path::new("."),
+                &destination_name,
+                yama::utils::get_number_of_workers("YAMA_CHUNKERS"),
+            )
+            .unwrap();
+        }
         DatmanCommand::Extract {
             source_name,
             after,

datman/src/commands/backup.rs

@@ -284,3 +284,24 @@ where
         }
     }
 }
+
+pub fn backup_all_sources_to_destination(
+    dest: &DestPileDescriptor,
+    descriptor: &Descriptor,
+    desc_path: &Path,
+    dest_name: &str,
+    num_workers: u8,
+) -> anyhow::Result<()> {
+    for (source_name, source_descriptor) in descriptor.source.iter() {
+        backup_source_to_destination(
+            source_descriptor,
+            dest,
+            descriptor,
+            desc_path,
+            source_name.as_str(),
+            dest_name,
+            num_workers,
+        )?;
+    }
+    Ok(())
+}