add tests of commit --squash

diff --git a/grep.h b/grep.h
index efa8cff980af2b2c06dad080876637d16b5c4985..06621fe663545af52fbc42827a8374ab5bd42f38 100644 (file)
--- a/grep.h
+++ b/grep.h
@@ -22,6 +22,7 @@ enum grep_header_field {
        GREP_HEADER_AUTHOR = 0,
        GREP_HEADER_COMMITTER
 };
+#define GREP_HEADER_FIELD_MAX (GREP_HEADER_COMMITTER + 1)
 
 struct grep_pat {
        struct grep_pat *next;
@@ -41,6 +42,7 @@ enum grep_expr_node {
        GREP_NODE_ATOM,
        GREP_NODE_NOT,
        GREP_NODE_AND,
+       GREP_NODE_TRUE,
        GREP_NODE_OR
 };