1 files changed, 24 insertions, 8 deletions
diff --git a/nixpkgs/nixos/modules/installer/cd-dvd/iso-image.nix b/nixpkgs/nixos/modules/installer/cd-dvd/iso-image.nix
index d5c92cfc1d9e..11319e5f4f82 100644
--- a/nixpkgs/nixos/modules/installer/cd-dvd/iso-image.nix
+++ b/nixpkgs/nixos/modules/installer/cd-dvd/iso-image.nix
@@ -24,7 +24,7 @@ let
         # Name appended to menuentry defaults to params if no specific name given.
         option.name or (if option ? params then "(${option.params})" else "")
         }' ${if option ? class then " --class ${option.class}" else ""} {
-          linux ${defaults.image} ${defaults.params} ${
+          linux ${defaults.image} \''${isoboot} ${defaults.params} ${
             option.params or ""
           }
           initrd ${defaults.initrd}
@@ -165,8 +165,8 @@ let
     else
       "# No refind for ${targetArch}"
   ;
-  
-  grubPkgs = if config.boot.loader.grub.forcei686 then pkgs.pkgsi686Linux else pkgs; 
+
+  grubPkgs = if config.boot.loader.grub.forcei686 then pkgs.pkgsi686Linux else pkgs;
 
   grubMenuCfg = ''
     #
@@ -268,6 +268,12 @@ let
     set timeout=10
     ${grubMenuCfg}
 
+    # If the parameter iso_path is set, append the findiso parameter to the kernel
+    # line. We need this to allow the nixos iso to be booted from grub directly.
+    if [ \''${iso_path} ] ; then
+      set isoboot="findiso=\''${iso_path}"
+    fi
+
     #
     # Menu entries
     #
@@ -284,6 +290,14 @@ let
         ${buildMenuAdditionalParamsGrub2 config "video=1920x1080@60"}
       }
 
+      # If we boot into a graphical environment where X is autoran
+      # and always crashes, it makes the media unusable. Allow the user
+      # to disable this.
+      submenu "Disable display-manager" --class quirk-disable-displaymanager {
+        ${grubMenuCfg}
+        ${buildMenuAdditionalParamsGrub2 config "systemd.mask=display-manager.service"}
+      }
+
       # Some laptop and convertibles have the panel installed in an
       # inconvenient way, rotated away from the keyboard.
       # Those entries makes it easier to use the installer.
@@ -562,8 +576,6 @@ in
 
     boot.initrd.availableKernelModules = [ "squashfs" "iso9660" "uas" ];
 
-    boot.blacklistedKernelModules = [ "nouveau" ];
-
     boot.initrd.kernelModules = [ "loop" ];
 
     # Closures to be copied to the Nix store on the CD, namely the init
@@ -591,9 +603,6 @@ in
         { source = config.system.build.squashfsStore;
           target = "/nix-store.squashfs";
         }
-        { source = config.isoImage.efiSplashImage;
-          target = "/EFI/boot/efi-background.png";
-        }
         { source = config.isoImage.splashImage;
           target = "/isolinux/background.png";
         }
@@ -618,6 +627,9 @@ in
         { source = "${efiDir}/EFI";
           target = "/EFI";
         }
+        { source = (pkgs.writeTextDir "grub/loopback.cfg" "source /EFI/boot/grub.cfg") + "/grub";
+          target = "/boot/grub";
+        }
       ] ++ optionals (config.boot.loader.grub.memtest86.enable && canx86BiosBoot) [
         { source = "${pkgs.memtest86plus}/memtest.bin";
           target = "/boot/memtest.bin";
@@ -626,6 +638,10 @@ in
         { source = config.isoImage.grubTheme;
           target = "/EFI/boot/grub-theme";
         }
+      ] ++ [
+        { source = config.isoImage.efiSplashImage;
+          target = "/EFI/boot/efi-background.png";
+        }
       ];
 
     boot.loader.timeout = 10;