Thomas Weißschuh e06c9e1df2 var: add GIT_DEFAULT_BRANCH variable ...

Introduce the logical variable GIT_DEFAULT_BRANCH which represents the
the default branch name that will be used by "git init".

Currently this variable is equivalent to
    git config init.defaultbranch || 'master'

This however will break if at one point the default branch is changed as
indicated by `default_branch_name_advice` in `refs.c`.

By providing this command ahead of time users of git can make their
code forward-compatible.

Helped-by: Johannes Schindelin <Johannes.Schindelin@gmx.de>
Helped-by: Eric Sunshine <sunshine@sunshineco.com>
Helped-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Thomas Weißschuh <thomas@t-8ch.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

2021-11-03 13:25:36 -07:00

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