activate dm and configue correct greeter for lightdm

src/functions/desktops.rs

@@ -1,3 +1,4 @@
+use crate::internal::exec::*;
 use crate::internal::*;
 
 pub fn choose_pkgs(desktop_setup: &str) {
@@ -11,6 +12,14 @@ pub fn choose_pkgs(desktop_setup: &str) {
                 "lightdm-gtk-greeter",
                 "lightdm-gtk-greeter-settings",
             ]);
+            files_eval(
+                files::append_file(
+                    "/mnt/etc/lightdm/lightdm.conf",
+                    "[SeatDefaults]\ngreeter-session=lightdm-gtk-greeter\n",
+                ),
+                "Add lightdm greeter",
+            );
+            enable_dm("lightdm");
         }
         "gnome" => {
             install(vec![
@@ -20,6 +29,7 @@ pub fn choose_pkgs(desktop_setup: &str) {
                 "chrome-gnome-shell",
                 "gdm",
             ]);
+            enable_dm("gdm");
         }
         "kde" => {
             install(vec![
@@ -30,6 +40,7 @@ pub fn choose_pkgs(desktop_setup: &str) {
                 "kde-applications",
                 "sddm",
             ]);
+            enable_dm("sddm");
         }
         "budgie" => {
             install(vec![
@@ -40,6 +51,14 @@ pub fn choose_pkgs(desktop_setup: &str) {
                 "lightdm-gtk-greeter",
                 "lightdm-gtk-greeter-settings",
             ]);
+            files_eval(
+                files::append_file(
+                    "/mnt/etc/lightdm/lightdm.conf",
+                    "[SeatDefaults]\ngreeter-session=lightdm-gtk-greeter\n",
+                ),
+                "Add lightdm greeter",
+            );
+            enable_dm("lightdm");
         }
         "cinnamon" => {
             install(vec![
@@ -51,6 +70,14 @@ pub fn choose_pkgs(desktop_setup: &str) {
                 "metacity",
                 "gnome-shell",
             ]);
+            files_eval(
+                files::append_file(
+                    "/mnt/etc/lightdm/lightdm.conf",
+                    "[SeatDefaults]\ngreeter-session=lightdm-gtk-greeter\n",
+                ),
+                "Add lightdm greeter",
+            );
+            enable_dm("lightdm");
         }
         "mate" => {
             install(vec![
@@ -61,6 +88,14 @@ pub fn choose_pkgs(desktop_setup: &str) {
                 "lightdm-gtk-greeter-settings",
                 "mate-extra",
             ]);
+            files_eval(
+                files::append_file(
+                    "/mnt/etc/lightdm/lightdm.conf",
+                    "[SeatDefaults]\ngreeter-session=lightdm-gtk-greeter\n",
+                ),
+                "Add lightdm greeter",
+            );
+            enable_dm("lightdm");
         }
         "xfce" => {
             install(vec![
@@ -71,6 +106,14 @@ pub fn choose_pkgs(desktop_setup: &str) {
                 "lightdm-gtk-greeter-settings",
                 "xfce4-goodies",
             ]);
+            files_eval(
+                files::append_file(
+                    "/mnt/etc/lightdm/lightdm.conf",
+                    "[SeatDefaults]\ngreeter-session=lightdm-gtk-greeter\n",
+                ),
+                "Add lightdm greeter",
+            );
+            enable_dm("lightdm");
         }
         "enlightenment" => {
             install(vec![
@@ -81,6 +124,14 @@ pub fn choose_pkgs(desktop_setup: &str) {
                 "lightdm-gtk-greeter-settings",
                 "terminology",
             ]);
+            files_eval(
+                files::append_file(
+                    "/mnt/etc/lightdm/lightdm.conf",
+                    "[SeatDefaults]\ngreeter-session=lightdm-gtk-greeter\n",
+                ),
+                "Add lightdm greeter",
+            );
+            enable_dm("lightdm");
         }
 
         _ => {
@@ -88,3 +139,11 @@ pub fn choose_pkgs(desktop_setup: &str) {
         }
     }
 }
+
+fn enable_dm(dm: &str) {
+    log(format!("Enabling {}", dm));
+    exec_eval(
+        exec_chroot("systemctl", vec![String::from("enable"), String::from(dm)]),
+        format!("Enable {}", dm).as_str(),
+    );
+}

src/internal/files.rs

@@ -17,7 +17,7 @@ pub fn create_file(path: &str) {
 pub fn append_file(path: &str, content: &str) -> std::io::Result<()> {
     log(format!(
         "[ \x1b[2;1;32mOK\x1b[0m ] Append '{}' to file {}",
-        content.replace("\n", ""),
+        content.trim_end(),
         path
     ));
     let mut file = OpenOptions::new().append(true).open(path)?;