Wait for resolving conflicts in merge-to-branch script.

R=jkummerow@chromium.org

Review URL: https://chromiumcodereview.appspot.com/10939033

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12560 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

tools/common-includes.sh

@@ -180,10 +180,23 @@ the uploaded CL."
   done
 }
 
+wait_for_resolving_conflicts() {
+  echo "Applying the patch failed. Either type \"ABORT<Return>\", or \
+resolve the conflicts, stage the touched files with 'git add' and \
+type \"RESOLVED<Return>\""
+  unset ANSWER
+  while [ "$ANSWER" != "RESOLVED" ] ; do
+    [[ "$ANSWER" == "ABORT" ]] && die "Applying the patch failed."
+    [[ -n "$ANSWER" ]] && echo "That was not 'RESOLVED' or 'ABORT'."
+    echo -n "> "
+    read ANSWER
+  done
+}
+
 # Takes a file containing the patch to apply as first argument.
 apply_patch() {
   patch $REVERSE_PATCH -p1 < "$1" > "$PATCH_OUTPUT_FILE" || \
-    { cat "$PATCH_OUTPUT_FILE" && die "Applying the patch failed."; }
+    { cat "$PATCH_OUTPUT_FILE" && wait_for_resolving_conflicts; }
   tee < "$PATCH_OUTPUT_FILE" >(grep "patching file" \
                                | awk '{print $NF}' >> "$TOUCHED_FILES_FILE")
   rm "$PATCH_OUTPUT_FILE"