1 files changed, 99 insertions, 0 deletions
diff --git a/update_expected_output.sh b/update_expected_output.sh
new file mode 100755
index 0000000..ad416ee
--- /dev/null
+++ b/update_expected_output.sh
@@ -0,0 +1,99 @@
+#!/usr/bin/env bash
+
+srcdir="$1"
+builddir="$2"
+
+expected_dir="$1/expected"
+expected_am="${expected_dir}/expected.am"
+
+mkdir -p "${expected_dir}"
+
+for fname in $(ls -t ${builddir}/*.cmd); do
+  echo
+  echo "Checking test ${fname}:"
+  echo -n "  "
+  cat "${fname}"
+  stem=$(echo $fname | sed -e 's/.cmd$//')
+  exp_stem="${srcdir}/expected/$(basename $stem)"
+
+  echo "    \$(srcdir)/%reldir%/$(basename "$stem").out \\" >> "${expected_am}.tmp"
+  echo "    \$(srcdir)/%reldir%/$(basename "$stem").err \\" >> "${expected_am}.tmp"
+
+  if ! test -f "${exp_stem}.out"; then
+    printf '\033[0;32mBEGIN\033[0m %s.out\n' "${stem}"
+    cat "${stem}.out"
+    printf '\033[0;32mEND\033[0m   %s.out\n' "${stem}"
+    if test x"${AUTO_APPROVE}" = x""; then
+      echo "Expected stdout is missing, update with the above?"
+      select yn in "Yes" "No"; do
+        case $yn in
+          Yes ) cp "${stem}.out" "${exp_stem}.out"; break;;
+          No ) exit;;
+        esac
+      done
+    else
+      cp "${stem}.out" "${exp_stem}.out"
+    fi
+  else
+    if ! cmp "${exp_stem}.out" "${stem}.out"; then
+      diff -u "${exp_stem}.out" "${stem}.out"
+      if test x"${AUTO_APPROVE}" = x""; then
+        echo "Expected stdout is different, update with the above?"
+        select yn in "Yes" "No"; do
+          case $yn in
+            Yes ) cp "${stem}.out" "${exp_stem}.out"; break;;
+            No ) exit;;
+          esac
+        done
+      else
+        cp "${stem}.out" "${exp_stem}.out"
+      fi
+    fi
+  fi
+
+  if ! test -f "${exp_stem}.err"; then
+    printf '\033[0;31mBEGIN\033[0m %s.err\n' "${stem}"
+    cat "${stem}.err"
+    printf '\033[0;31mEND\033[0m   %s.err\n' "${stem}"
+    if test x"${AUTO_APPROVE}" = x""; then
+      echo "Expected stderr is missing, update with the above?"
+      select yn in "Yes" "No"; do
+        case $yn in
+          Yes ) cp "${stem}.err" "${exp_stem}.err"; break;;
+          No ) exit;;
+        esac
+      done
+    else
+      cp "${stem}.err" "${exp_stem}.err"
+    fi
+  else
+    if ! cmp "${exp_stem}.err" "${stem}.err"; then
+      diff -u "${exp_stem}.err" "${stem}.err"
+      if test x"${AUTO_APPROVE}" = x""; then
+        echo "Expected stderr is different, update with the above?"
+        select yn in "Yes" "No"; do
+          case $yn in
+            Yes ) cp "${stem}.err" "${exp_stem}.err"; break;;
+            No ) exit;;
+          esac
+        done
+      else
+        cp "${stem}.err" "${exp_stem}.err"
+      fi
+    fi
+  fi
+done
+
+cat > "${expected_am}.new" <<EOF
+
+EXPECTED_FILES = \\
+$(sort "${expected_am}.tmp")
+    \$()
+EOF
+
+if ! cmp "${expected_am}" "${expected_am}.new"; then
+  cp "${expected_am}.new" "${expected_am}"
+fi
+
+rm "${expected_am}.new"
+rm "${expected_am}.tmp"