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authorBjørn Forsman <bjorn.forsman@gmail.com>2017-09-26 22:17:01 +0200
committerFranz Pletz <fpletz@fnordicwalking.de>2017-09-28 00:54:28 +0200
commit3c6eb3a247721aafded88c789d247602762b7d86 (patch)
tree505eb3ffccc068993979ffecb5afa18364803416 /nixos/modules/installer/cd-dvd/iso-image.nix
parent7cbf3a27de3bcb9d090a5ef205f238c2e69e0786 (diff)
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nixos/iso-image.nix: add top-level /version.txt file
This makes it easy to identify which NixOS version is written to an USB
stick without actually booting it.
Diffstat (limited to 'nixos/modules/installer/cd-dvd/iso-image.nix')
-rw-r--r--nixos/modules/installer/cd-dvd/iso-image.nix3
1 files changed, 3 insertions, 0 deletions
diff --git a/nixos/modules/installer/cd-dvd/iso-image.nix b/nixos/modules/installer/cd-dvd/iso-image.nix
index 96f7aac1d59..a039f7fdcb6 100644
--- a/nixos/modules/installer/cd-dvd/iso-image.nix
+++ b/nixos/modules/installer/cd-dvd/iso-image.nix
@@ -361,6 +361,9 @@ in
         { source = config.isoImage.splashImage;
           target = "/isolinux/background.png";
         }
+        { source = pkgs.writeText "version" config.system.nixosVersion;
+          target = "/version.txt";
+        }
       ] ++ optionals config.isoImage.makeEfiBootable [
         { source = efiImg;
           target = "/boot/efi.img";