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-rw-r--r--revision.h21
1 files changed, 21 insertions, 0 deletions
diff --git a/revision.h b/revision.h
index 92d6614af6..e7f1d211bf 100644
--- a/revision.h
+++ b/revision.h
@@ -25,6 +25,7 @@
struct rev_info;
struct log_info;
struct string_list;
+struct saved_parents;
struct rev_cmdline_info {
unsigned int nr;
@@ -144,6 +145,7 @@ struct rev_info {
int numbered_files;
int reroll_count;
char *message_id;
+ struct ident_split from_ident;
struct string_list *ref_message_ids;
int add_signoff;
const char *extra_headers;
@@ -186,6 +188,9 @@ struct rev_info {
/* line level range that we are chasing */
struct decoration line_log_data;
+
+ /* copies of the parent lists, for --full-diff display */
+ struct saved_parents *saved_parents_slab;
};
#define REV_TREE_SAME 0
@@ -272,4 +277,20 @@ typedef enum rewrite_result (*rewrite_parent_fn_t)(struct rev_info *revs, struct
extern int rewrite_parents(struct rev_info *revs, struct commit *commit,
rewrite_parent_fn_t rewrite_parent);
+
+/*
+ * Save a copy of the parent list, and return the saved copy. This is
+ * used by the log machinery to retrieve the original parents when
+ * commit->parents has been modified by history simpification.
+ *
+ * You may only call save_parents() once per commit (this is checked
+ * for non-root commits).
+ *
+ * get_saved_parents() will transparently return commit->parents if
+ * history simplification is off.
+ */
+extern void save_parents(struct rev_info *revs, struct commit *commit);
+extern struct commit_list *get_saved_parents(struct rev_info *revs, const struct commit *commit);
+extern void free_saved_parents(struct rev_info *revs);
+
#endif