curlftpfs: remove -o interface... option and patch curl instead

hosts/common/fs.nix

@@ -183,7 +183,6 @@ let
         # drop_privileges: after `mount.fuse3` opens /dev/fuse, it will drop all capabilities before invoking sshfs
         "drop_privileges"
         "auto_unmount"  #< ensures that when the fs exits, it releases its mountpoint. then systemd can recognize it as failed.
-        "interface=0.0.0.0"  #< see: <https://github.com/curl/curl/discussions/14299>
       ];
       # fsType = "nfs";
       # options = fsOpts.nfs ++ fsOpts.lazyMount;
@@ -243,7 +242,6 @@ let
         "-o"
         (lib.concatStringsSep "," ([
           "exit_after_connect"
-          "interface=0.0.0.0"  #< see: <https://github.com/curl/curl/discussions/14299>
         ] ++ config.fileSystems."${localPath}".options))
       ];
       serviceConfig.RemainAfterExit = true;

pkgs/additional/curlftpfs-sane/default.nix

@@ -1,9 +1,21 @@
 {
+  curl,
   curlftpfs,
+  fetchpatch,
   fetchFromGitea,
   fuse3,
 }:
 (curlftpfs.override {
+  curl = curl.overrideAttrs (base: {
+    patches = (base.patches or []) ++ [
+      (fetchpatch {
+        # fix regression in curl 8.8.0 -> 8.9.0 which broke curlftpfs
+        url = "https://github.com/curl/curl/pull/14629.diff";
+        name = "setopt: allow CURLOPT_INTERFACE to be set to NULL";
+        hash = "sha256-cpiw0izhFY74y8xa7KEoQOtD79GBIfrm1hU3sLrObJg=";
+      })
+    ];
+  });
   fuse = fuse3;
 }).overrideAttrs (upstream: {
   # my (master branch) fork includes: