From acedabeff79f25183ee6e63e0cdf5c4d648641d1 Mon Sep 17 00:00:00 2001
From: Bob van der Linden <bobvanderlinden@gmail.com>
Date: Tue, 19 Mar 2019 20:03:27 +0100
Subject: [PATCH 1/3] ngrok-2: rename update to update.sh

---
 pkgs/tools/networking/ngrok-2/{update => update.sh} | 0
 1 file changed, 0 insertions(+), 0 deletions(-)
 rename pkgs/tools/networking/ngrok-2/{update => update.sh} (100%)

diff --git a/pkgs/tools/networking/ngrok-2/update b/pkgs/tools/networking/ngrok-2/update.sh
similarity index 100%
rename from pkgs/tools/networking/ngrok-2/update
rename to pkgs/tools/networking/ngrok-2/update.sh

From b1bfe7b4789d294054dde19a50c2db9ad63f2b05 Mon Sep 17 00:00:00 2001
From: Bob van der Linden <bobvanderlinden@gmail.com>
Date: Tue, 19 Mar 2019 20:03:41 +0100
Subject: [PATCH 2/3] ngrok-2: set updateScript

---
 pkgs/tools/networking/ngrok-2/default.nix | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pkgs/tools/networking/ngrok-2/default.nix b/pkgs/tools/networking/ngrok-2/default.nix
index da598c6fbd5..89d6a9b454d 100644
--- a/pkgs/tools/networking/ngrok-2/default.nix
+++ b/pkgs/tools/networking/ngrok-2/default.nix
@@ -32,6 +32,8 @@ stdenv.mkDerivation {
     install -D ngrok $out/bin/ngrok
   '';
 
+  passthru.updateScript = ./update.sh;
+
   meta = {
     description = "ngrok";
     longDescription = ''

From d394fa0d9605f94b64f9fe80fd37ccec176ee1f9 Mon Sep 17 00:00:00 2001
From: Bob van der Linden <bobvanderlinden@gmail.com>
Date: Tue, 19 Mar 2019 20:05:51 +0100
Subject: [PATCH 3/3] ngrok2: cleanup update.sh

---
 pkgs/tools/networking/ngrok-2/update.sh | 25 +++++++++----------------
 1 file changed, 9 insertions(+), 16 deletions(-)

diff --git a/pkgs/tools/networking/ngrok-2/update.sh b/pkgs/tools/networking/ngrok-2/update.sh
index 62b0c7e545e..7908a1524e5 100755
--- a/pkgs/tools/networking/ngrok-2/update.sh
+++ b/pkgs/tools/networking/ngrok-2/update.sh
@@ -4,10 +4,8 @@
 #!nix-shell -i bash
 
 set -eu -o pipefail
-cd "$(dirname "${BASH_SOURCE[0]}")"
 
 get_download_info() {
-    echo '{ "sys": "'"$1-$2"'", "response": '
     http --body \
          https://update.equinox.io/check \
          'Accept:application/json; q=1; version=1; charset=utf-8' \
@@ -16,25 +14,20 @@ get_download_info() {
          channel=stable \
          os=$1 \
          goarm= \
-         arch=$2
-
-#         target_version=2.2.8 \
-
-    echo "}"
+         arch=$2 \
+    | jq --arg sys "$1-$2" '{
+        sys: $sys,
+        url: .download_url,
+        sha256: .checksum,
+        version: .release.version
+    }'
 }
 
 (
-    echo "["
     get_download_info linux 386
-    echo ","
     get_download_info linux amd64
-    echo ","
     get_download_info linux arm
-    echo ","
     get_download_info linux arm64
-    # echo ","
-    # get_download_info darwin 386
-    echo ","
     get_download_info darwin amd64
-    echo "]"
-) | jq 'map ({ (.sys): { "sys": .sys, "url": .response.download_url, "sha256": .response.checksum, "version": .response.release.version } }) | add' >versions.json
+) | jq --slurp 'map ({ (.sys): . }) | add' \
+    > pkgs/tools/networking/ngrok-2/versions.json