Re: [PATCH 3/7] update-index: use unmerge_index_entry() to support removal

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Junio C Hamano <gitster@xxxxxxxxx> writes:

> @@ -122,6 +128,8 @@ test_expect_success 'add records checkout -m undoes' '
>  test_expect_success 'unmerge with plumbing' '
>  	prime_resolve_undo &&
>  	git update-index --unresolve fi/le &&
> +	git ls-files --resolve-undo fi/le >actual &&
> +	test_must_be_empty actual &&
>  	git ls-files -u >actual &&
>  	test_line_count = 3 actual
>  '

This addition, and matching invocations of "ls-files --resolve-undo"
in the next tests, are not explained in the proposed log message.

The reason for the addition is because "update-index --unresolve"
tests did not make sure that resolve-undo records that are used to
recreate conflicted states are removed from the index, like simiar
tests for "checkout --merge".  As we are changing the implementation
to unmerge index entries, we do not want to regress and these are
filling the gap of the test coverage.

I've clarified it in the draft for the next iteration.

	Side note: careful audience may have noticed this already,
	but yes, this is setting an example of the recent update to
	"my patch was sent, now what?" document, where we discourage
	sending rerolls without giving readers enough time to digest
	the first iteration, and instead tell them to note what will
	change in their next iteration.

> @@ -130,6 +138,27 @@ test_expect_success 'unmerge can be done even after committing' '
>  	prime_resolve_undo &&
>  	git commit -m "record to nuke MERGE_HEAD" &&
>  	git update-index --unresolve fi/le &&
> +	git ls-files --resolve-undo fi/le >actual &&
> +	test_must_be_empty actual &&
> +	git ls-files -u >actual &&
> +	test_line_count = 3 actual
> +'
> +
> +test_expect_success 'unmerge removal' '
> +	prime_resolve_undo remove &&
> +	git update-index --unresolve fi/le &&
> +	git ls-files --resolve-undo fi/le >actual &&
> +	test_must_be_empty actual &&
> +	git ls-files -u >actual &&
> +	test_line_count = 3 actual
> +'
> +
> +test_expect_success 'unmerge removal after committing' '
> +	prime_resolve_undo remove &&
> +	git commit -m "record to nuke MERGE_HEAD" &&
> +	git update-index --unresolve fi/le &&
> +	git ls-files --resolve-undo fi/le >actual &&
> +	test_must_be_empty actual &&
>  	git ls-files -u >actual &&
>  	test_line_count = 3 actual
>  '



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