diff --git a/libarchive/src/write/builder.rs b/libarchive/src/write/builder.rs
index b075284..b1cef46 100644
--- a/libarchive/src/write/builder.rs
+++ b/libarchive/src/write/builder.rs
@@ -11,6 +11,8 @@ pub struct Builder {
     consumed: bool,
 }
 
+unsafe impl Send for Builder {}
+
 impl Builder {
     pub fn new() -> Self {
         Builder::default()
diff --git a/libarchive/src/write/file.rs b/libarchive/src/write/file.rs
index 5d932f1..7f81915 100644
--- a/libarchive/src/write/file.rs
+++ b/libarchive/src/write/file.rs
@@ -13,6 +13,8 @@ pub struct FileWriter {
     closed: bool,
 }
 
+unsafe impl Send for FileWriter {}
+
 impl Handle for FileWriter {
     unsafe fn handle(&self) -> *const ffi::Struct_archive {
         self.handle as *const _
diff --git a/libarchive/src/write/mod.rs b/libarchive/src/write/mod.rs
index 446edba..642fc18 100644
--- a/libarchive/src/write/mod.rs
+++ b/libarchive/src/write/mod.rs
@@ -9,6 +9,8 @@ pub struct WriteEntry {
     entry: *mut ffi::Struct_archive_entry,
 }
 
+unsafe impl Send for WriteEntry {}
+
 impl WriteEntry {
     pub fn new() -> Self {
         let entry = unsafe { ffi::archive_entry_new() };
diff --git a/server/src/db/query/package.rs b/server/src/db/query/package.rs
index 726a1f2..ecd306e 100644
--- a/server/src/db/query/package.rs
+++ b/server/src/db/query/package.rs
@@ -83,7 +83,7 @@ pub async fn insert(conn: &DbConn, repo_id: i32, pkg: crate::repo::package::Pack
         pgp_sig: Set(info.pgpsig),
         pgp_sig_size: Set(info.pgpsigsize),
         sha256_sum: Set(info.sha256sum),
-        compression: Set(pkg.compression.extension().unwrap().to_string())
+        compression: Set(pkg.compression.extension().unwrap().to_string()),
     };
 
     let pkg_entry = model.insert(conn).await?;
diff --git a/server/src/error.rs b/server/src/error.rs
index 4fbb7c4..d0ba36b 100644
--- a/server/src/error.rs
+++ b/server/src/error.rs
@@ -1,9 +1,10 @@
-use axum::http::StatusCode;
-use axum::response::{IntoResponse, Response};
 use std::error::Error;
 use std::fmt;
 use std::io;
 
+use axum::http::StatusCode;
+use axum::response::{IntoResponse, Response};
+
 pub type Result<T> = std::result::Result<T, ServerError>;
 
 #[derive(Debug)]
@@ -12,6 +13,7 @@ pub enum ServerError {
     Axum(axum::Error),
     Db(sea_orm::DbErr),
     Status(StatusCode),
+    Archive(libarchive::error::ArchiveError),
 }
 
 impl fmt::Display for ServerError {
@@ -21,6 +23,7 @@ impl fmt::Display for ServerError {
             ServerError::Axum(err) => write!(fmt, "{}", err),
             ServerError::Status(status) => write!(fmt, "{}", status),
             ServerError::Db(err) => write!(fmt, "{}", err),
+            ServerError::Archive(err) => write!(fmt, "{}", err),
         }
     }
 }
@@ -38,7 +41,9 @@ impl IntoResponse for ServerError {
             ServerError::Db(sea_orm::DbErr::RecordNotFound(_)) => {
                 StatusCode::NOT_FOUND.into_response()
             }
-            ServerError::Db(_) => StatusCode::INTERNAL_SERVER_ERROR.into_response(),
+            ServerError::Db(_) | ServerError::Archive(_) => {
+                StatusCode::INTERNAL_SERVER_ERROR.into_response()
+            }
         }
     }
 }
@@ -72,3 +77,9 @@ impl From<sea_orm::DbErr> for ServerError {
         ServerError::Db(err)
     }
 }
+
+impl From<libarchive::error::ArchiveError> for ServerError {
+    fn from(err: libarchive::error::ArchiveError) -> Self {
+        ServerError::Archive(err)
+    }
+}
diff --git a/server/src/repo/manager_new.rs b/server/src/repo/manager_new.rs
index 40678fd..9e7fb91 100644
--- a/server/src/repo/manager_new.rs
+++ b/server/src/repo/manager_new.rs
@@ -1,23 +1,83 @@
 use std::path::{Path, PathBuf};
 
-use sea_orm::{DbConn, ModelTrait};
+use libarchive::write::{Builder, WriteEntry};
+use libarchive::{Entry, WriteFilter, WriteFormat};
+
+use sea_orm::{ColumnTrait, DbConn, EntityTrait, ModelTrait, QueryFilter};
+
+use futures::StreamExt;
 
 use crate::db;
 use crate::error::Result;
 
-pub struct MetaRepoMngr {
+pub const ANY_ARCH: &str = "any";
+
+pub struct MetaRepoMgr {
     repo_dir: PathBuf,
     pkg_dir: PathBuf,
 }
 
-impl MetaRepoMngr {
+impl MetaRepoMgr {
     pub fn new<P1: AsRef<Path>, P2: AsRef<Path>>(repo_dir: P1, pkg_dir: P2) -> Self {
-        MetaRepoMngr {
+        MetaRepoMgr {
             repo_dir: repo_dir.as_ref().to_path_buf(),
             pkg_dir: pkg_dir.as_ref().to_path_buf(),
         }
     }
 
+    /// Generate the `db` and `files` archive files for the given repo and architecture.
+    pub async fn generate_archives(&self, conn: &DbConn, repo: &str, arch: &str) -> Result<()> {
+        let repo = crate::db::query::repo::by_name(conn, repo).await?;
+
+        if repo.is_none() {
+            return Ok(());
+        }
+
+        let repo = repo.unwrap();
+        let parent_dir = self.repo_dir.join(&repo.name).join(arch);
+
+        let repo_name = repo.name.clone();
+        let (mut ar_db, mut ar_files) = tokio::task::spawn_blocking(move || {
+            let mut ar_db = Builder::new();
+            ar_db.add_filter(WriteFilter::Gzip)?;
+            ar_db.set_format(WriteFormat::PaxRestricted)?;
+
+            let mut ar_files = Builder::new();
+            ar_files.add_filter(WriteFilter::Gzip)?;
+            ar_files.set_format(WriteFormat::PaxRestricted)?;
+
+            let ar_db = ar_db.open_file(parent_dir.join(format!("{}.db.tar.gz", repo_name)));
+            let ar_files =
+                ar_files.open_file(parent_dir.join(format!("{}.files.tar.gz", repo_name)));
+
+            match (ar_db, ar_files) {
+                (Ok(ar_db), Ok(ar_files)) => Ok((ar_db, ar_files)),
+                (Err(err), _) | (_, Err(err)) => Err(err),
+            }
+        })
+        .await
+        .unwrap()?;
+        //let mut ar_db = ar_db.open_file(parent_dir.join(format!("{}.db.tar.gz", &repo.name)))?;
+        //let mut ar_files =
+        //    ar_files.open_file(parent_dir.join(format!("{}.files.tar.gz", &repo.name)))?;
+
+        // Query all packages in the repo that have the given architecture or the "any"
+        // architecture
+        let mut pkgs = repo
+            .find_related(crate::db::Package)
+            .filter(db::package::Column::Arch.eq(arch).or(ANY_ARCH.into()))
+            .stream(conn)
+            .await?;
+
+        while let Some(pkg) = pkgs.next().await {
+            let pkg = pkg?;
+
+            // TODO for each package, write entry to archive files
+        }
+
+        Ok(())
+    }
+
     /// Remove the repo with the given name, if it existed
     pub async fn remove_repo(&self, conn: &DbConn, repo: &str) -> Result<bool> {
         let res = db::query::repo::by_name(conn, repo).await?;
diff --git a/server/src/repo/mod.rs b/server/src/repo/mod.rs
index aca8503..419aa61 100644
--- a/server/src/repo/mod.rs
+++ b/server/src/repo/mod.rs
@@ -143,13 +143,9 @@ async fn post_package_archive(
             };
 
             // If the package already exists in the database, we remove it first
-            let res = db::query::package::by_fields(
-                &global.db,
-                repo_id,
-                &pkg.info.arch,
-                &pkg.info.name,
-            )
-            .await?;
+            let res =
+                db::query::package::by_fields(&global.db, repo_id, &pkg.info.arch, &pkg.info.name)
+                    .await?;
 
             if let Some(entry) = res {
                 entry.delete(&global.db).await?;
@@ -240,13 +236,8 @@ async fn delete_package(
         let res = db::query::repo::by_name(&global.db, &repo).await?;
 
         if let Some(repo_entry) = res {
-            let res = db::query::package::by_fields(
-                &global.db,
-                repo_entry.id,
-                &arch,
-                &name,
-            )
-            .await?;
+            let res =
+                db::query::package::by_fields(&global.db, repo_entry.id, &arch, &name).await?;
 
             if let Some(entry) = res {
                 entry.delete(&global.db).await?;