git-commit-vandalism/t/t0007-git-var.sh
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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#!/bin/sh
test_description='basic sanity checks for git var'
. ./test-lib.sh
test_expect_success 'get GIT_AUTHOR_IDENT' '
test_tick &&
echo "$GIT_AUTHOR_NAME <$GIT_AUTHOR_EMAIL> $GIT_AUTHOR_DATE" >expect &&
git var GIT_AUTHOR_IDENT >actual &&
test_cmp expect actual
'
test_expect_success 'get GIT_COMMITTER_IDENT' '
test_tick &&
echo "$GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> $GIT_COMMITTER_DATE" >expect &&
git var GIT_COMMITTER_IDENT >actual &&
test_cmp expect actual
'
test_expect_success !FAIL_PREREQS,!AUTOIDENT 'requested identities are strict' '
(
sane_unset GIT_COMMITTER_NAME &&
sane_unset GIT_COMMITTER_EMAIL &&
test_must_fail git var GIT_COMMITTER_IDENT
)
'
test_expect_success 'get GIT_DEFAULT_BRANCH without configuration' '
(
sane_unset GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME &&
git init defbranch &&
git -C defbranch symbolic-ref --short HEAD >expect &&
git var GIT_DEFAULT_BRANCH >actual &&
test_cmp expect actual
)
'
test_expect_success 'get GIT_DEFAULT_BRANCH with configuration' '
test_config init.defaultbranch foo &&
(
sane_unset GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME &&
echo foo >expect &&
git var GIT_DEFAULT_BRANCH >actual &&
test_cmp expect actual
)
'
# For git var -l, we check only a representative variable;
# testing the whole output would make our test too brittle with
# respect to unrelated changes in the test suite's environment.
test_expect_success 'git var -l lists variables' '
git var -l >actual &&
echo "$GIT_AUTHOR_NAME <$GIT_AUTHOR_EMAIL> $GIT_AUTHOR_DATE" >expect &&
sed -n s/GIT_AUTHOR_IDENT=//p <actual >actual.author &&
test_cmp expect actual.author
'
test_expect_success 'git var -l lists config' '
git var -l >actual &&
echo false >expect &&
sed -n s/core\\.bare=//p <actual >actual.bare &&
test_cmp expect actual.bare
'
test_expect_success 'listing and asking for variables are exclusive' '
test_must_fail git var -l GIT_COMMITTER_IDENT
'
test_done