[PATCH] Improve error message in rebase conflict

[Ramkumar Ramachandra <artagnon@gmail.com>]

When the index is unchanged during a rebase conflict resolution,
prompt the user to "git add", or alternatively drop the patch using
"git rebase --skip".

Noticed-by: Dale Rowley <ddrowley@gmail.com>
Signed-off-by: Ramkumar Ramachandra <artagnon@gmail.com>
---
 git-am.sh     |    4 +++-
 git-rebase.sh |    4 ++--
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/git-am.sh b/git-am.sh
index 87ffae2..3c46f60 100755
--- a/git-am.sh
+++ b/git-am.sh
@@ -725,7 +725,9 @@ do
 		# working tree.
 		resolved=
 		git diff-index --quiet --cached HEAD -- && {
-			echo "No changes - did you forget to use 'git add'?"
+			echo "No changes - did you forget to use 'git add'? " \
+				"If you dropped the changes introduced by the patch, " \
+				"you should use \"$cmdline --skip\"."
 			stop_here_user_resolve $this
 		}
 		unmerged=$(git ls-files -u)
diff --git a/git-rebase.sh b/git-rebase.sh
index 44f5c65..60cc0e9 100755
--- a/git-rebase.sh
+++ b/git-rebase.sh
@@ -217,8 +217,8 @@ do
 			die "No rebase in progress?"
 
 		git diff-files --quiet --ignore-submodules || {
-			echo "You must edit all merge conflicts and then"
-			echo "mark them as resolved using git add"
+			echo "You must edit all merge conflicts and then" \
+			    "mark them as resolved using 'git add'"
 			exit 1
 		}
 		if test -d "$dotest"
-- 
1.7.1