Re: [PATCH] cherry-pick: do not error on non-merge commits when '-m 1' is specified

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Sergey Organov <sorganov@xxxxxxxxx> writes:

> I came up with the following as a preparatory change. Looks acceptable?
>
> -- 8< --
>
>     t3510: stop using '-m 1' to force failure mid-sequence of cherry-picks
>     
>     We are going to allow 'git cherry-pick -m 1' for non-merge commits, so
>     this method to force failure will stop to work.
>     
>     Use '-m 4' instead as it's very unlikely we will ever have such an
>     octopus in this test setup.

Yeah, that is a good approach.  Thanks for coming up with it.

I agree that it also is a good idea to use a variable to avoid
repeating "4" (and risking the two uses of the constant drifting
apart), but I find a single letter variable 'm' a bit too bland and
not descriptive enough.  Perhaps spell it out as mainline=4,
possibly with a comment why that is not a more-commonly-seen number
like "1"?

	# to make sure that the session to cherry-pick a sequence
	# gets interrupted, use a high-enough number that is larger
	# than the number of parents of any commit
	mainline=4 &&

or something.

> 	Modified   t/t3510-cherry-pick-sequence.sh
> diff --git a/t/t3510-cherry-pick-sequence.sh b/t/t3510-cherry-pick-sequence.sh
> index c84eeef..a873cf4 100755
> --- a/t/t3510-cherry-pick-sequence.sh
> +++ b/t/t3510-cherry-pick-sequence.sh
> @@ -61,7 +61,8 @@ test_expect_success 'cherry-pick mid-cherry-pick-sequence' '
>  
>  test_expect_success 'cherry-pick persists opts correctly' '
>  	pristine_detach initial &&
> -	test_expect_code 128 git cherry-pick -s -m 1 --strategy=recursive -X patience -X ours initial..anotherpick &&
> +	m=4 &&
> +	test_expect_code 128 git cherry-pick -s -m $m --strategy=recursive -X patience -X ours initial..anotherpick &&
>  	test_path_is_dir .git/sequencer &&
>  	test_path_is_file .git/sequencer/head &&
>  	test_path_is_file .git/sequencer/todo &&
> @@ -69,7 +70,7 @@ test_expect_success 'cherry-pick persists opts correctly' '
>  	echo "true" >expect &&
>  	git config --file=.git/sequencer/opts --get-all options.signoff >actual &&
>  	test_cmp expect actual &&
> -	echo "1" >expect &&
> +	echo "$m" >expect &&
>  	git config --file=.git/sequencer/opts --get-all options.mainline >actual &&
>  	test_cmp expect actual &&
>  	echo "recursive" >expect &&
>
> -- 8< --



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