From eb64a95e0d31919bd65ee7447daaa10febb368c2 Mon Sep 17 00:00:00 2001
From: Samuel Leathers <sam@appliedtrust.com>
Date: Mon, 6 Nov 2017 15:06:03 -0500
Subject: [PATCH] nixops: digital ocean PR #765

---
 .../tools/package-management/nixops/765.patch | 44 +++++++++++++++++++
 .../package-management/nixops/default.nix     |  3 ++
 .../package-management/nixops/generic.nix     |  4 +-
 3 files changed, 49 insertions(+), 2 deletions(-)
 create mode 100644 pkgs/tools/package-management/nixops/765.patch

diff --git a/pkgs/tools/package-management/nixops/765.patch b/pkgs/tools/package-management/nixops/765.patch
new file mode 100644
index 000000000000..7735dc663f6f
--- /dev/null
+++ b/pkgs/tools/package-management/nixops/765.patch
@@ -0,0 +1,44 @@
+From 6aa5d6d85cbc94617a52d6b8f14dd6bb8b418b34 Mon Sep 17 00:00:00 2001
+From: Samuel Leathers <sam@appliedtrust.com>
+Date: Mon, 6 Nov 2017 15:01:55 -0500
+Subject: [PATCH] digital ocean: enp0s3 -> ens3
+
+---
+ nixops/backends/digital_ocean.py | 8 ++++----
+ 1 file changed, 4 insertions(+), 4 deletions(-)
+
+diff --git a/nixops/backends/digital_ocean.py b/nixops/backends/digital_ocean.py
+index e883045e..63e47f19 100644
+--- a/nixops/backends/digital_ocean.py
++++ b/nixops/backends/digital_ocean.py
+@@ -8,7 +8,7 @@
+ 
+ I hit a few subtle problems along the way:
+ * DO doesn't do dhcp so we have to hard-code the network configuration
+-* Ubuntu still uses eth0, 1 etc, not enp0s3 etc so we have a network
++* Ubuntu still uses eth0, 1 etc, not ens3 etc so we have a network
+   link name change after the reboot.
+ * I had to modify nixos-infect to reflect the network link name changes,
+   and to not reboot to avoid ssh-interruption and therefore errors.
+@@ -86,10 +86,10 @@ def prefix_len(netmask):
+         networking = {
+             'defaultGateway': self.default_gateway,
+             'nameservers': ['8.8.8.8'], # default provided by DO
+-            ('interfaces', 'enp0s3', 'ip4'): [{"address": self.public_ipv4, 'prefixLength': prefix_len(self.netmask)}],
++            ('interfaces', 'ens3', 'ip4'): [{"address": self.public_ipv4, 'prefixLength': prefix_len(self.netmask)}],
+         }
+         if self.public_ipv6:
+-            networking[('interfaces', 'enp0s3', 'ip6')] = [{'address': self.public_ipv6['address'], 'prefixLength': self.public_ipv6['prefixLength']}]
++            networking[('interfaces', 'ens3', 'ip6')] = [{'address': self.public_ipv6['address'], 'prefixLength': self.public_ipv6['prefixLength']}]
+         if self.default_gateway6:
+             networking['defaultGateway6'] = self.default_gateway6
+ 
+@@ -188,7 +188,7 @@ def create(self, defn, check, allow_reboot, allow_recreate):
+ 
+         # run modified nixos-infect
+         # - no reboot
+-        # - predictable network interface naming (enp0s3 etc)
++        # - predictable network interface naming (ens3 etc)
+         self.wait_for_ssh()
+         self.log_start("running nixos-infect")
+         self.run_command('bash </dev/stdin 2>&1', stdin=open(infect_path))
diff --git a/pkgs/tools/package-management/nixops/default.nix b/pkgs/tools/package-management/nixops/default.nix
index daecb8746eaf..14bc60471caa 100644
--- a/pkgs/tools/package-management/nixops/default.nix
+++ b/pkgs/tools/package-management/nixops/default.nix
@@ -6,4 +6,7 @@ callPackage ./generic.nix (rec {
     url = "http://nixos.org/releases/nixops/nixops-${version}/nixops-${version}.tar.bz2";
     sha256 = "00y2arc5rffvy6xmx4p6ibpjyc61k8dkiabq7ccwwjgckz1d2dpb";
   };
+  patches = [
+    ./765.patch
+  ];
 })
diff --git a/pkgs/tools/package-management/nixops/generic.nix b/pkgs/tools/package-management/nixops/generic.nix
index d9c9661d41a4..c6e962e8ca69 100644
--- a/pkgs/tools/package-management/nixops/generic.nix
+++ b/pkgs/tools/package-management/nixops/generic.nix
@@ -1,11 +1,11 @@
 { lib, python2Packages, fetchurl, libxslt, docbook5_xsl, openssh
 # version args
-, src, version
+, src, version, patches ? []
 }:
 
 python2Packages.buildPythonApplication {
   name = "nixops-${version}";
-  inherit version src;
+  inherit version src patches;
 
   buildInputs = [ libxslt ];