commit-graph: implement git-commit-graph write
authorDerrick Stolee <dstolee@microsoft.com>
Mon, 2 Apr 2018 20:34:20 +0000 (16:34 -0400)
committerJunio C Hamano <gitster@pobox.com>
Mon, 2 Apr 2018 21:27:38 +0000 (14:27 -0700)
Teach git-commit-graph to write graph files. Create new test script to verify
this command succeeds without failure.

Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
No differences found