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-rw-r--r--refs.h20
1 files changed, 20 insertions, 0 deletions
diff --git a/refs.h b/refs.h
index 2cd307af25..b113377c48 100644
--- a/refs.h
+++ b/refs.h
@@ -10,6 +10,20 @@ struct ref_lock {
int force_write;
};
+/**
+ * Information needed for a single ref update. Set new_sha1 to the
+ * new value or to zero to delete the ref. To check the old value
+ * while locking the ref, set have_old to 1 and set old_sha1 to the
+ * value or to zero to ensure the ref does not exist before update.
+ */
+struct ref_update {
+ const char *ref_name;
+ unsigned char new_sha1[20];
+ unsigned char old_sha1[20];
+ int flags; /* REF_NODEREF? */
+ int have_old; /* 1 if old_sha1 is valid, 0 otherwise */
+};
+
/*
* Bit values set in the flags argument passed to each_ref_fn():
*/
@@ -214,6 +228,12 @@ int update_ref(const char *action, const char *refname,
const unsigned char *sha1, const unsigned char *oldval,
int flags, enum action_on_err onerr);
+/**
+ * Lock all refs and then perform all modifications.
+ */
+int update_refs(const char *action, const struct ref_update **updates,
+ int n, enum action_on_err onerr);
+
extern int parse_hide_refs_config(const char *var, const char *value, const char *);
extern int ref_is_hidden(const char *);