add void backend

crates/pacdef_core/Cargo.toml

@@ -38,3 +38,4 @@ rstest = "0.18"
 default = []
 arch = ["dep:alpm"]
 debian = ["dep:rust-apt", "dep:libc"]
+void = []

crates/pacdef_core/src/backend/actual/mod.rs

@@ -2,6 +2,8 @@
 pub mod arch;
 #[cfg(feature = "debian")]
 pub mod debian;
+#[cfg(feature = "void")]
+pub mod void;
 pub mod flatpak;
 pub mod python;
 pub mod rust;

crates/pacdef_core/src/backend/actual/void.rs

@@ -0,0 +1,144 @@
+use core::panic;
+use std::collections::HashSet;
+use std::process::{Command, ExitStatus};
+
+use anyhow::{Context, Result};
+use regex::Regex;
+
+use crate::backend::backend_trait::{Backend, Switches, Text};
+use crate::backend::macros::impl_backend_constants;
+use crate::{Group, Package};
+
+#[derive(Debug, Clone)]
+pub struct Void {
+    pub(crate) packages: HashSet<Package>,
+}
+
+const BINARY: Text = "xbps-install";
+const INSTALL_BINARY: Text = "xbps-install";
+const REMOVE_BINARY: Text = "xbps-remove";
+const QUERY_BINARY: Text = "xbps-query";
+const PKGDB_BINARY: Text = "xbps-pkgdb";
+const SECTION: Text = "void";
+
+const SWITCHES_INFO: Switches = &["-m"];
+const SWITCHES_INSTALL: Switches = &["-S"];
+const SWITCHES_MAKE_DEPENDENCY: Switches = &["-m", "auto"];
+const SWITCHES_NOCONFIRM: Switches = &["-y"];
+const SWITCHES_REMOVE: Switches = &["-R"];
+
+const SUPPORTS_AS_DEPENDENCY: bool = true;
+impl Void {
+    fn get_binary_info(&self) -> Text {
+        QUERY_BINARY
+    }
+
+    fn get_binary_install(&self) -> Text {
+        INSTALL_BINARY
+    }
+
+    fn get_binary_remove(&self) -> Text {
+        REMOVE_BINARY
+    }
+
+    fn get_binary_make_dependency(&self) -> Text {
+        PKGDB_BINARY
+    }
+}
+
+impl Backend for Void {
+    impl_backend_constants!();
+
+    fn get_all_installed_packages(&self) -> Result<HashSet<Package>> {
+        let re_str_1 = r"ii | .*";
+        let re_str_2 = r"-[^-]*$";
+        let re1 = Regex::new(re_str_1)?;
+        let re2 = Regex::new(re_str_2)?;
+        let mut cmd = Command::new(self.get_binary_info());
+        cmd.args(&["-l"]);
+        let output = String::from_utf8(cmd.output()?.stdout)?;
+
+        let packages: HashSet<Package> = output
+            .lines()
+            .map(|line| {
+                let result = re1.replace_all(line, "").to_string();
+                let result = re2.replace_all(&result, "").to_string();
+                result.into()
+            })
+            .collect();
+        Ok(packages)
+    }
+
+    fn get_explicitly_installed_packages(&self) -> Result<HashSet<Package>> {
+        let re_str = r"-[^-]*$";
+        let re = Regex::new(re_str)?;
+        let mut cmd = Command::new(self.get_binary_info());
+        cmd.args(self.get_switches_info());
+        let output = String::from_utf8(cmd.output()?.stdout)?;
+
+        let packages: HashSet<Package> = output
+            .lines()
+            .map(|line| {
+                let result = re.replace_all(line, "").to_string();
+                result.into()
+            })
+            .collect();
+        Ok(packages)
+    }
+
+    /// Install the specified packages.
+    fn install_packages(&self, packages: &[Package], noconfirm: bool) -> Result<ExitStatus> {
+        let mut cmd = Command::new("sudo");
+        cmd.arg(self.get_binary_install());
+        cmd.args(self.get_switches_install());
+
+        if noconfirm {
+            cmd.args(self.get_switches_noconfirm());
+        }
+
+        for p in packages {
+            cmd.arg(format!("{p}"));
+        }
+
+        cmd.status()
+            .with_context(|| format!("running command {cmd:?}"))
+    }
+
+    fn remove_packages(&self, packages: &[Package], noconfirm: bool) -> Result<ExitStatus> {
+        let mut cmd = Command::new("sudo");
+        cmd.arg(self.get_binary_remove());
+        cmd.args(self.get_switches_remove());
+
+        if noconfirm {
+            cmd.args(self.get_switches_noconfirm());
+        }
+
+        for p in packages {
+            cmd.arg(format!("{p}"));
+        }
+
+        cmd.status()
+            .with_context(|| format!("running command [{cmd:?}]"))
+    }
+
+    fn make_dependency(&self, packages: &[Package]) -> Result<ExitStatus> {
+        let mut cmd = Command::new("sudo");
+        cmd.arg(self.get_binary_make_dependency());
+        cmd.args(self.get_switches_make_dependency());
+
+        for p in packages {
+            cmd.arg(format!("{p}"));
+        }
+
+        cmd.status()
+            .with_context(|| format!("running command [{cmd:?}]"))
+    }
+}
+
+impl Void {
+    pub fn new() -> Self {
+        Void {
+            packages: HashSet::new(),
+        }
+    }
+}

crates/pacdef_core/src/backend/mod.rs

@@ -16,6 +16,8 @@ pub enum Backends {
     Arch,
     #[cfg(feature = "debian")]
     Debian,
+    #[cfg(feature = "void")]
+    Void,
     Flatpak,
     Python,
     Rust,