fix: debian without bindings

reimplemented parts of the Debian backend to get rid of the apt library that has a different version everywhere and therefore won't play nicely with our pacdef

src/backend/actual/debian.rs

@@ -1,6 +1,6 @@
+use std::process::Command;
+
 use anyhow::Result;
-use rust_apt::cache::PackageSort;
-use rust_apt::new_cache;
 
 use crate::backend::root::build_base_command_with_privileges;
 use crate::cmd::run_external_command;
@@ -33,25 +33,21 @@ impl Backend for Debian {
     }
 
     fn get_all_installed_packages(&self) -> Result<Packages> {
-        let cache = new_cache!()?;
-        let sort = PackageSort::default().installed();
+        let mut cmd = Command::new("apt");
+        cmd.args(&["list", "--installed"]);
 
-        let mut result = Packages::new();
-        for pkg in cache.packages(&sort) {
-            result.insert(Package::from(pkg.name().to_string()));
-        }
-        Ok(result)
+        let output = String::from_utf8(cmd.output()?.stdout)?;
+
+        output_to_packages(output)
     }
 
     fn get_explicitly_installed_packages(&self) -> Result<Packages> {
-        let cache = new_cache!()?;
-        let sort = PackageSort::default().installed().manually_installed();
+        let mut cmd = Command::new("apt-mark");
+        cmd.args(&["showmanual"]);
 
-        let mut result = Packages::new();
-        for pkg in cache.packages(&sort) {
-            result.insert(Package::from(pkg.name().to_string()));
-        }
-        Ok(result)
+        let output = String::from_utf8(cmd.output()?.stdout)?;
+
+        output_to_packages(output)
     }
 
     fn make_dependency(&self, packages: &Packages) -> Result<()> {
@@ -101,3 +97,11 @@ impl Backend for Debian {
         run_external_command(cmd)
     }
 }
+
+fn output_to_packages(output: String) -> Result<Packages> {
+    let mut result = Packages::new();
+    for line in output.lines() {
+        result.insert(Package::from(line));
+    }
+    Ok(result)
+}

src/backend/actual/mod.rs

@@ -1,6 +1,5 @@
 #[cfg(feature = "arch")]
 pub mod arch;
-#[cfg(feature = "debian")]
 pub mod debian;
 pub mod fedora;
 pub mod flatpak;

src/backend/mod.rs

@@ -55,7 +55,6 @@ impl ManagedBackend {
 pub enum AnyBackend {
     #[cfg(feature = "arch")]
     Arch(actual::arch::Arch),
-    #[cfg(feature = "debian")]
     Debian(actual::debian::Debian),
     Flatpak(Flatpak),
     Fedora(Fedora),
@@ -70,7 +69,6 @@ impl AnyBackend {
         vec![
             #[cfg(feature = "arch")]
             Self::Arch(actual::arch::Arch::new(config)),
-            #[cfg(feature = "debian")]
             Self::Debian(actual::debian::Debian::new()),
             Self::Flatpak(Flatpak::new(config)),
             Self::Fedora(Fedora::new()),
@@ -86,7 +84,6 @@ impl AnyBackend {
         match section {
             #[cfg(feature = "arch")]
             "arch" => Ok(Self::Arch(actual::arch::Arch::new(config))),
-            #[cfg(feature = "debian")]
             "debian" => Ok(Self::Debian(actual::debian::Debian::new())),
             "flatpak" => Ok(Self::Flatpak(Flatpak::new(config))),
             "fedora" => Ok(Self::Fedora(Fedora::new())),

src/cmd.rs

@@ -1,7 +1,7 @@
 use std::path::Path;
 use std::process::Command;
 
-use anyhow::{ensure, Context, Result};
+use anyhow::{Context, Result, ensure};
 
 use crate::env::{get_editor, should_print_debug_info};
 

src/prelude.rs

@@ -1,14 +1,13 @@
+pub use crate::backend::AnyBackend;
+pub use crate::backend::ManagedBackend;
 #[cfg(feature = "arch")]
 pub use crate::backend::actual::arch::Arch;
-#[cfg(feature = "debian")]
 pub use crate::backend::actual::debian::Debian;
 pub use crate::backend::actual::{
     fedora::Fedora, flatpak::Flatpak, python::Python, rust::Rust, rustup::Rustup, void::Void,
 };
 pub use crate::backend::backend_trait::{Backend, BackendInfo, Switches, Text};
 pub use crate::backend::todo_per_backend::ToDoPerBackend;
-pub use crate::backend::AnyBackend;
-pub use crate::backend::ManagedBackend;
 pub use crate::cli::CleanPackageAction;
 pub use crate::cli::EditGroupAction;
 pub use crate::cli::ExportGroupAction;