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-rw-r--r--replace-object.h36
1 files changed, 36 insertions, 0 deletions
diff --git a/replace-object.h b/replace-object.h
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index 0000000000..f996de3d62
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+++ b/replace-object.h
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+#ifndef REPLACE_OBJECT_H
+#define REPLACE_OBJECT_H
+
+#include "oidmap.h"
+#include "repository.h"
+#include "object-store.h"
+
+struct replace_object {
+ struct oidmap_entry original;
+ struct object_id replacement;
+};
+
+/*
+ * This internal function is only declared here for the benefit of
+ * lookup_replace_object(). Please do not call it directly.
+ */
+extern const struct object_id *do_lookup_replace_object(struct repository *r,
+ const struct object_id *oid);
+
+/*
+ * If object sha1 should be replaced, return the replacement object's
+ * name (replaced recursively, if necessary). The return value is
+ * either sha1 or a pointer to a permanently-allocated value. When
+ * object replacement is suppressed, always return sha1.
+ */
+static inline const struct object_id *lookup_replace_object(struct repository *r,
+ const struct object_id *oid)
+{
+ if (!check_replace_refs ||
+ (r->objects->replace_map &&
+ r->objects->replace_map->map.tablesize == 0))
+ return oid;
+ return do_lookup_replace_object(r, oid);
+}
+
+#endif /* REPLACE_OBJECT_H */