Fix SC2129: group consecutive redirects in shell scripts (#14594)

Author: Copilot

.changeset/patch-group-github-output-redirects.md

@@ -781,9 +781,11 @@ echo "result=success" >> $GITHUB_OUTPUT
       fs.writeFileSync(
         handlerPath,
         `#!/bin/bash
-echo "first=value1" >> $GITHUB_OUTPUT
-echo "second=value2" >> $GITHUB_OUTPUT
-echo "third=value with spaces" >> $GITHUB_OUTPUT
+{
+  echo "first=value1"
+  echo "second=value2"
+  echo "third=value with spaces"
+} >> $GITHUB_OUTPUT
 `,
         { mode: 0o755 }
       );

actions/setup/js/mcp_server_core.test.cjs

@@ -422,7 +422,9 @@ print_timing $SCRIPT_START_TIME "Overall gateway startup"
 echo ""
 
 # Output PID as GitHub Actions step output for use in cleanup
-echo "gateway-pid=$GATEWAY_PID" >> $GITHUB_OUTPUT
 # Output port and API key for use in stop script (per MCP Gateway Specification v1.1.0)
-echo "gateway-port=${MCP_GATEWAY_PORT}" >> $GITHUB_OUTPUT
-echo "gateway-api-key=${MCP_GATEWAY_API_KEY}" >> $GITHUB_OUTPUT
+{
+  echo "gateway-pid=$GATEWAY_PID"
+  echo "gateway-port=${MCP_GATEWAY_PORT}"
+  echo "gateway-api-key=${MCP_GATEWAY_API_KEY}"
+} >> $GITHUB_OUTPUT

actions/setup/sh/start_mcp_gateway.sh

@@ -126,5 +126,7 @@ for i in {1..10}; do
 done
 
 # Output the configuration for the MCP client
-echo "port=$GH_AW_SAFE_INPUTS_PORT" >> "$GITHUB_OUTPUT"
-echo "api_key=$GH_AW_SAFE_INPUTS_API_KEY" >> "$GITHUB_OUTPUT"
+{
+  echo "port=$GH_AW_SAFE_INPUTS_PORT"
+  echo "api_key=$GH_AW_SAFE_INPUTS_API_KEY"
+} >> "$GITHUB_OUTPUT"

actions/setup/sh/start_safe_inputs_server.sh

@@ -126,5 +126,7 @@ for i in {1..60}; do
 done
 
 # Output the configuration for the MCP client
-echo "port=$GH_AW_SAFE_OUTPUTS_PORT" >> "$GITHUB_OUTPUT"
-echo "api_key=$GH_AW_SAFE_OUTPUTS_API_KEY" >> "$GITHUB_OUTPUT"
+{
+  echo "port=$GH_AW_SAFE_OUTPUTS_PORT"
+  echo "api_key=$GH_AW_SAFE_OUTPUTS_API_KEY"
+} >> "$GITHUB_OUTPUT"