Use jq to patch swagger.json

Remove `gron` dependency and make it easier to maintain patches.

Author: kazk

README.md

@@ -2,7 +2,6 @@ Experimenting with Kubernetes protobufs.
 
 ## Build Dependencies
 
-- [gron](https://github.com/tomnomnom/gron)
 - [just](https://github.com/casey/just)
 - [sd](https://github.com/chmln/sd)
 - [jq](https://stedolan.github.io/jq/)

justfile

@@ -43,12 +43,7 @@ swagger-patch:
     #!/usr/bin/env bash
     set -exuo pipefail
     cd openapi
-    # Fix path operation annotated with a `x-kubernetes-group-version-kind` that references a type that doesn't exist in the schema.
-    # See https://github.com/Arnavion/k8s-openapi/blob/445e89ec444ebb1c68e61361e64eec4c4a3f4785/k8s-openapi-codegen/src/fixups/upstream_bugs.rs#L9
-    gron swagger.json \
-        | perl -pe 's/(?<=kind = ")(Pod|Node|Service)(?:Attach|Exec|PortForward|Proxy)Options(?=")/$1/' \
-        | gron -u \
-        > swagger-patched.json
+    jq -f patches/patch-nonexistent-gvk.jq < swagger.json > swagger-patched.json
     mv swagger-patched.json swagger.json
 
 # Transform swagger schema into api-resources.json

openapi/patches/patch-nonexistent-gvk.jq

@@ -0,0 +1,13 @@
+# Fix path operation annotated with a `x-kubernetes-group-version-kind` that references a type that doesn't exist in the schema.
+# See https://github.com/Arnavion/k8s-openapi/blob/445e89ec444ebb1c68e61361e64eec4c4a3f4785/k8s-openapi-codegen/src/fixups/upstream_bugs.rs#L9
+(.paths | .. | objects | select((.group? == "") and (.version? == "v1") and (.kind? | type) == "string")).kind |= (
+  if . | test("^Pod(?:Attach|Exec|PortForward|Proxy)Options$") then
+    "Pod"
+  elif . == "NodeProxyOptions" then
+    "Node"
+  elif . == "ServiceProxyOptions" then
+    "Service"
+  else
+    .
+  end
+)