object name of pre- and post-image blob on the "index"
line when generating a patch format output.
Instead of showing the full 40-byte hexadecimal object
name in diff-raw format output and diff-tree header
- lines, show only handful prefix. This is independent of
- --full-index option above, which controls the diff-patch
+ lines, show only handful dhexigits prefix. This is
+ independent of --full-index option above, which controls
+ the diff-patch output format. Non default number of
+ digits can be specified with --abbrev=<n>.
Break complete rewrite changes into pairs of delete and create.