Stefan Beller <sbeller@xxxxxxxxxx> writes:
> When a user asked for a detached HEAD specifically with `--detach`,
> we do not need to give advice on what a detached HEAD state entails as
> we can assume they know what they're getting into as they asked for it.
>
> Signed-off-by: Stefan Beller <sbeller@xxxxxxxxxx>
> ---
>
> Thanks for the review!
>
>> Is there a reason for not unsetting `advice.detachedHead` at the
>> end of the test?
>
> done
>
> I did not consider to clean up after myself... what a selfish world!
;-)
Using test_config instead of "git config" would help.
> +test_expect_success 'no advice given for explicit detached head state' '
> + git config advice.detachedHead false &&
> + git checkout child &&
> + git checkout --detach HEAD >expect &&
> + git config advice.detachedHead true &&
> + git checkout child &&
> + git checkout --detach HEAD >actual &&
> + test_cmp expect actual &&
The above is meant to see explicit "--detach" gives the same message
whether advice.detachedHead is set to true or false, which is good.
It however does not make sure these messages do not caution about
detaching.
> + git checkout child &&
> + git checkout HEAD >actual &&
This goes to "child" branch and then does a no-op "checkout HEAD"
that does not even detach.
> + ! test_cmp expect actual &&
And then it compares the message from a no-op "checkout" and
the previously obtained message from a detaching "checkout".
Another thing that this is not checking is that a detaching
"checkout" without an explicit "--detach" still gives the advice
when advice.detachedHead is set to true (or left to default, for
that matter).
Perhaps you would want to do it a bit differently. How does this
look?
# baseline
test_config advice.detachedHead true &&
git checkout child && git checkout HEAD^0 >expect.advice &&
test_config advice.detachedHead false &&
git checkout child && git checkout HEAD^0 >expect.no-advice &&
test_unconfig advice.detachedHead &&
# without configuration, the advice.* variables default to true
git checkout child && git checkout HEAD^0 >actual &&
test_cmp expect.advice actual &&
# with explicit --detach
# no configuration
test_unconfig advice.detachedHead &&
git checkout child && git checkout --detach HEAD >actual &&
test_cmp expect.no-advice actual &&
# explicitly ask advice
test_config advice.detachedHead true &&
git checkout child && git checkout --detach HEAD >actual &&
test_cmp expect.no-advice actual &&
# explicitly decline advice
test_config advice.detachedHead false &&
git checkout child && git checkout --detach HEAD >actual &&
test_cmp expect.no-advice actual
It might be controversial how the second from the last case should
behave, though.
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