'<rev>{caret}\{<type>\}', e.g. 'v0.99.8{caret}\{commit\}'::
A suffix '{caret}' followed by an object type name enclosed in
- brace pair means the object
- could be a tag, and dereference the tag recursively until an
- object of that type is found or the object cannot be
- dereferenced anymore (in which case, barf). '<rev>{caret}0'
+ brace pair means dereference the object at '<rev>' recursively until
+ an object of type '<type>' is found or the object cannot be
+ dereferenced anymore (in which case, barf).
+ For example, if '<rev>' is a commit-ish, '<rev>{caret}\{commit\}'
+ describes the corresponding commit object.
+ Similarly, if '<rev>' is a tree-ish, '<rev>{caret}\{tree\}'
+ describes the corresponding tree object.
+ '<rev>{caret}0'
is a short-hand for '<rev>{caret}\{commit\}'.
+
'rev{caret}\{object\}' can be used to make sure 'rev' names an