-a::
List both remote-tracking branches and local branches.
--v::
+-v, --verbose::
Show sha1 and commit subject line for each head.
--abbrev=<length>::
'--track' were given.
--no-track::
- When -b is given and a branch is created off a remote branch,
+ When a branch is created off a remote branch,
set up configuration so that git-pull will not retrieve data
from the remote branch, ignoring the branch.autosetupmerge
configuration variable.