show warning message if podman and docker are not installed

io.github.dvlv.boxbuddyrs.metainfo.xml

@@ -40,6 +40,11 @@
     <url type="help">https://dvlv.github.io/BoxBuddyRS</url>
 
     <releases>
+        <release version="2.2.13" date="2024-09-28">
+            <description>
+                <p>Added detection for a system without Podman or Docker</p>
+            </description>
+        </release>
         <release version="2.2.12" date="2024-09-09">
             <description>
                 <p>Translation Updates</p>

src/main.rs

@@ -28,7 +28,7 @@ use utils::{
     get_download_dir_path, get_my_deb_boxes, get_my_rpm_boxes, get_rpm_distros,
     get_supported_terminals, get_supported_terminals_list, get_terminal_and_separator_arg,
     has_distrobox_installed, has_file_extension, has_home_or_host_access, has_host_access,
-    set_up_localisation,
+    has_podman_or_docker_installed, set_up_localisation,
 };
 const APP_ID: &str = "io.github.dvlv.boxbuddyrs";
 
@@ -100,7 +100,11 @@ fn make_window(app: &Application) -> ApplicationWindow {
     window.set_child(Some(&toast_overlay));
 
     if has_distrobox_installed() {
+        if has_podman_or_docker_installed() {
             load_boxes(&scroll_area, &window, Some(0));
+        } else {
+            render_podman_not_installed(&scroll_area);
+        }
     } else {
         render_not_installed(&scroll_area);
     }
@@ -285,6 +289,21 @@ fn render_not_installed(scroll_area: &gtk::Box) {
     scroll_area.append(&not_installed_lbl_two);
 }
 
+fn render_podman_not_installed(scroll_area: &gtk::Box) {
+    // TRANSLATORS: Error message
+    let not_installed_lbl = gtk::Label::new(Some(&gettext("Podman / Docker not found!")));
+    not_installed_lbl.add_css_class("title-1");
+
+    // TRANSLATORS: Error message
+    let not_installed_lbl_two = gtk::Label::new(Some(&gettext(
+        "Could not find podman or docker, please install one of them!",
+    )));
+    not_installed_lbl_two.add_css_class("title-2");
+
+    scroll_area.append(&not_installed_lbl);
+    scroll_area.append(&not_installed_lbl_two);
+}
+
 fn load_boxes(scroll_area: &gtk::Box, window: &ApplicationWindow, active_page: Option<u32>) {
     let tabs = Notebook::new();
     tabs.set_tab_pos(PositionType::Left);
@@ -869,7 +888,7 @@ fn show_about_popup(window: &ApplicationWindow) {
     let d = adw::AboutWindow::new();
     d.set_transient_for(Some(window));
     d.set_application_name("BoxBuddy");
-    d.set_version("2.2.12");
+    d.set_version("2.2.13");
     d.set_developer_name("Dvlv");
     d.set_license_type(gtk::License::MitX11);
     // TRANSLATORS: Description of the application

src/utils.rs

@@ -226,6 +226,21 @@ pub fn has_distrobox_installed() -> bool {
     true
 }
 
+/// Whether or not the `podman` or `docker` command can be successfully run
+pub fn has_podman_or_docker_installed() -> bool {
+    let output = get_command_output("which", Some(&["podman"]));
+
+    if output.contains("no podman in") || output.is_empty() {
+        let docker_output = get_command_output("which", Some(&["docker"]));
+
+        if docker_output.contains("no docker in") || docker_output.is_empty() {
+            return false;
+        }
+    }
+
+    true
+}
+
 /// Returns a Vec of `TerminalOption`s representing all terminals supported by `BoxBuddy`
 pub fn get_supported_terminals() -> Vec<TerminalOption> {
     vec![