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-rw-r--r--cache.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/cache.h b/cache.h
index 85b544f38d..88d373dfe7 100644
--- a/cache.h
+++ b/cache.h
@@ -966,6 +966,15 @@ struct ident_split {
*/
extern int split_ident_line(struct ident_split *, const char *, int);
+/*
+ * Compare split idents for equality or strict ordering. Note that we
+ * compare only the ident part of the line, ignoring any timestamp.
+ *
+ * Because there are two fields, we must choose one as the primary key; we
+ * currently arbitrarily pick the email.
+ */
+extern int ident_cmp(const struct ident_split *, const struct ident_split *);
+
struct checkout {
const char *base_dir;
int base_dir_len;