Add script to fetch testharness scripts from GCC

Signed-off-by: Jerry Zhang Jian <[email protected]>

Author: jerryzj

gnu-test-setup/fetch-gcc-testharness.sh

@@ -0,0 +1,12 @@
+# make sure we have one argument which is the path of the GNU testsuite
+if [ $# -ne 1 ]; then
+    echo "Usage: $0 <path-to-gnu-testsuite>"
+    exit 1
+fi
+git archive --remote=git://gcc.gnu.org/git/gcc.git HEAD contrib/dg-extract-results.py | tar -x --strip-components=1
+git archive --remote=git://gcc.gnu.org/git/gcc.git HEAD gcc/testsuite/lib | tar -x --strip-components=2
+
+# Move lib to testsuite/lib
+mv lib $1
+# Move dg-extract-results.py to testsuite
+mv dg-extract-results.py $1