fix: Fix permissions on SDK generation (#69)

Generating the SDK is failing, due to [permissions errors on generated
files](https://github.com/istreamlabs/go-sdk/actions/runs/9504248321).
Seems to be
peter-evans/create-pull-request#783.

.github/workflows/generate.yml

@@ -57,15 +57,14 @@ jobs:
       - name: Re-generate isp
         run: ./run.sh
 
-      - name: Re-generate isp-slates
+      - name: Re-generate isp-slate
         run: ./run-slate.sh
 
       - name: Detect generated changes
         id: changes
         run: |
-          git add isp
-          git add isp-slate
-          git status -s
+          git add isp isp-slate
+          git status
 
           if [ -n "$(git status -s)" ]; then
             echo "should-commit=true" | tee -a "$GITHUB_OUTPUT"

.gitignore

@@ -24,3 +24,5 @@ _testmain.go
 *.prof
 
 isp/api
+
+.DS_Store

run-slate.sh

@@ -19,8 +19,18 @@ mkdir isp-slate
 cp ./prerequisites/.openapi-generator-ignore ./isp-slate/.openapi-generator-ignore
 cp ./prerequisites/convenience._go ./isp-slate/convenience.go
 cp ./prerequisites/slates_client._go ./isp-slate/client.go
-docker build -t generate-sdk . --no-cache --build-arg OPENAPI_SPEC="${OPENAPI_SPEC}" --build-arg OUT=isp-slate
-docker run --rm -v ${SCRIPT_DIR}/isp-slate:/go-sdk/isp-slate generate-sdk
+
+# build sdk generation image
+docker build -t generate-sdk . \
+  --no-cache \
+  --build-arg OPENAPI_SPEC="${OPENAPI_SPEC}" \
+  --build-arg OUT=isp-slate
+
+# generate sdk
+docker run --rm \
+  -u "$(id -u):$(id -g)" \
+  -v ${SCRIPT_DIR}/isp-slate:/go-sdk/isp-slate \
+  generate-sdk
 
 if [[ "$GITHUB_ACTIONS" = "true" ]]; then
   # Logicless templates are dumping extra quotes around enum values, so we've

run.sh

@@ -19,8 +19,18 @@ mkdir isp
 cp ./prerequisites/.openapi-generator-ignore ./isp/.openapi-generator-ignore
 cp ./prerequisites/convenience._go ./isp/convenience.go
 cp ./prerequisites/client._go ./isp/client.go
-docker build -t generate-sdk . --no-cache --build-arg OPENAPI_SPEC="${OPENAPI_SPEC}" --build-arg OUT=isp
-docker run --rm -v ${SCRIPT_DIR}/isp:/go-sdk/isp generate-sdk
+
+# build sdk generation image
+docker build -t generate-sdk . \
+  --no-cache \
+  --build-arg OPENAPI_SPEC="${OPENAPI_SPEC}" \
+  --build-arg OUT=isp
+
+# generate sdk
+docker run --rm \
+  -u "$(id -u):$(id -g)" \
+  -v ${SCRIPT_DIR}/isp:/go-sdk/isp \
+  generate-sdk
 
 if [[ "$GITHUB_ACTIONS" = "true" ]]; then
   # Logicless templates are dumping extra quotes around enum values, so we've