Junio C Hamano <gitster@xxxxxxxxx> writes: > Johannes Schindelin <Johannes.Schindelin@xxxxxx> writes: > >>> > Likewise, this would become >>> > >>> > GIT_CEILING_DIRECTORIES="$PWD/not" \ >>> > test_expect_code 129 git -C not/repo difftool -h >output && >>> > grep ^usage: output >>> >>> I agree with the intent, but the execution here is "Not quite". >>> test_expect_code being a shell function, it does not take the >>> "one-shot environment assignment for this single invocation," like >>> external commands do. >> >> So now that we know what is wrong, can you please enlighten me about what >> is right? > > David's original is just fine, isn't it? I've also seen people use "env VAR=VAL git command" as the command to be tested in t/ scripts. You can run that under test_expect_code, methinks.