Encourage use of core.abbrev=12
commit8eaf6a0c29fb5bb9389e77a3c34ae49f30960517
authorOlly Betts <olly@survex.com>
Sun, 2 Oct 2016 22:12:07 +0000 (3 11:12 +1300)
committerOlly Betts <olly@survex.com>
Thu, 6 Oct 2016 20:49:49 +0000 (7 09:49 +1300)
tree6f56f6dd0f7950afe56cb3f610abf76d5481edf0
parentd96c118b7653fa5dad84b80b6afacff27a406a98
Encourage use of core.abbrev=12

If there's no setting or only a global setting of < 12, set
core.abbrev=12 locally.  If it's set locally to <= 12, print a warning.

Suggested by James Aylett in #621.

(cherry picked from commit 066bfa03586d3b50682c8a6cf9284b2b2ae65b56)
bootstrap