debootstrap: fetch from gitlab

pkgs/tools/misc/debootstrap/default.nix

@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, dpkg, gawk, perl, wget, coreutils, util-linux
+{ lib, stdenv, fetchFromGitLab, dpkg, gawk, perl, wget, coreutils, util-linux
 , gnugrep, gnupg1, gnutar, gnused, gzip, makeWrapper }:
 # USAGE like this: debootstrap sid /tmp/target-chroot-directory
 # There is also cdebootstrap now. Is that easier to maintain?
@@ -18,11 +18,12 @@ in stdenv.mkDerivation rec {
   pname = "debootstrap";
   version = "1.0.126";
 
-  src = fetchurl {
-    # git clone git://git.debian.org/d-i/debootstrap.git
-    # I'd like to use the source. However it's lacking the lanny script ? (still true?)
-    url = "mirror://debian/pool/main/d/${pname}/${pname}_${version}.tar.gz";
-    sha256 = "sha256-vEjhxQDDO+1QvQDSAfM408ktbA3LHyAsO8AO8B+Wxhg=";
+  src = fetchFromGitLab {
+    domain = "salsa.debian.org";
+    owner = "installer-team";
+    repo = pname;
+    rev = version;
+    sha256 = "0hfx6k86kby4xf0xqskpllq00g159j4khh66hfi6dhcdb91dgyd7";
   };
 
   nativeBuildInputs = [ makeWrapper ];