diff --git a/bin/gg b/bin/gg
new file mode 100755
index 0000000..f2f1f0d
--- /dev/null
+++ b/bin/gg
@@ -0,0 +1,29 @@
+#!/bin/sh
+#
+# git grep through a tree, list the hits, then set up vi to go through the
+# files we found, searching for the expression.
+#
+# usage: gg [grep_options] search_expression
+#
+
+nondash()
+{
+    while [ ! -z "$*" ]; do
+	if [ "${1#-}" = "$1" ]; then
+	    echo "$1"
+	    return
+	fi
+	shift
+    done
+}
+
+#
+# the "cat" here serves two purposes:
+# 1) keep "git grep" from truncating long lines
+# 2) keep "git grep" from using a pager, which would result in waiting twice
+#    for user input at the end, which is confusing
+#
+git grep "$@" | cat
+echo -n '[Enter to vi] '
+read x
+${GG_EDITOR:-vi} -c /"`nondash \"$@\"`" `git grep -l "$@"`