chore: fork testing

Author: not-matthias

testing/fork.sh

@@ -0,0 +1,30 @@
+#!/usr/bin/env bash
+
+git clone -b release-branch.go1.24 --depth 1 https://github.com/golang/go/
+
+rm -rf internal testing
+
+# We need to copy the testing/ package:
+cp -r go/src/testing testing/
+
+mkdir -p internal/cpu
+mkdir -p internal/fuzz
+mkdir -p internal/goarch
+mkdir -p internal/race
+mkdir -p internal/sysinfo
+mkdir -p internal/testlog
+mkdir -p internal/goexperiment
+
+cp -r go/src/internal/cpu/* internal/cpu/
+cp -r go/src/internal/fuzz/* internal/fuzz/
+cp -r go/src/internal/goarch/* internal/goarch/
+cp -r go/src/internal/race/* internal/race/
+cp -r go/src/internal/sysinfo/* internal/sysinfo/
+cp -r go/src/internal/testlog/* internal/testlog/
+cp -r go/src/internal/goexperiment/* internal/goexperiment/
+
+# Replace all `"internal/*"` imports with 'github.com/CodSpeedHQ/codspeed-go/testing/internal/'
+find . -type f -name "*.go" -exec sed -i 's|"internal/|"github.com/CodSpeedHQ/codspeed-go/testing/internal/|g' {} +
+
+# Apply the race package patch to remove abi dependency
+patch -p1 --forward --reject-file=- < internal_race.patch || echo "Patch may have already been applied or needs manual intervention"