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Re: [PATCH] stash: clean untracked files before reset




Nicolas Morey-Chaisemartin <nicolas@xxxxxxxxxxxxxxxxxxxxxx> writes:

> If calling git stash -u on a repo that contains a file that is not
> ignored any more due to a current modification of the gitignore file,
> this file is stashed but not remove from the working tree.
> This is due to git-stash first doing a reset --hard which clears the
> .gitignore file modification and the call git clean, leaving the file
> untouched.
> This causes git stash pop to fail due to the file existing.
>
> This patch simply switches the order between cleaning and resetting
> and adds a test for this usecase.
>
> Signed-off-by: Nicolas Morey-Chaisemartin <nicolas@xxxxxxxxxxxxxxxxxxxxxx>
> Reported-by: Sam Partington <sam@xxxxxxxxxxxxxxxxxx>

These two lines are the other way around; a report/finding was made
and then you wrote a fix, which is signed-off by you.

I tried to think of a scenario where it is more desirable to use the
contents of the .gitignore file before modification gets stash away,
but I came up empty, so let's hope that this change will not make
50% people happier while making the other 50% sadder.

> ---
>  git-stash.sh                       | 11 ++++++-----
>  t/t3905-stash-include-untracked.sh | 18 ++++++++++++++++++
>  2 files changed, 24 insertions(+), 5 deletions(-)
>
> diff --git a/git-stash.sh b/git-stash.sh
> index 9b6c2da7b..39083b4d9 100755
> --- a/git-stash.sh
> +++ b/git-stash.sh
> @@ -300,6 +300,12 @@ push_stash () {
>  
>  	if test -z "$patch_mode"
>  	then
> +		test "$untracked" = "all" && CLEAN_X_OPTION=-x || CLEAN_X_OPTION=
> +		if test -n "$untracked"
> +		then
> +			git clean --force --quiet -d $CLEAN_X_OPTION -- "$@"
> +		fi
> +
>  		if test $# != 0
>  		then
>  			git reset -q -- "$@"
> @@ -309,11 +315,6 @@ push_stash () {
>  		else
>  			git reset --hard -q
>  		fi
> -		test "$untracked" = "all" && CLEAN_X_OPTION=-x || CLEAN_X_OPTION=
> -		if test -n "$untracked"
> -		then
> -			git clean --force --quiet -d $CLEAN_X_OPTION -- "$@"
> -		fi
>  
>  		if test "$keep_index" = "t" && test -n "$i_tree"
>  		then
> diff --git a/t/t3905-stash-include-untracked.sh b/t/t3905-stash-include-untracked.sh
> index 193adc7b6..c1f84d3d5 100755
> --- a/t/t3905-stash-include-untracked.sh
> +++ b/t/t3905-stash-include-untracked.sh
> @@ -211,4 +211,22 @@ test_expect_success 'stash push with $IFS character' '
>  	test_path_is_file bar
>  '
>  
> +cat > .gitignore <<EOF
> +ignored
> +ignored.d/*
> +EOF
> +
> +test_expect_success 'stash previously ignored file' '
> +which git &&

I will remove this line while queuing, though.

> +	git reset HEAD &&
> +	git add .gitignore &&
> +	git commit -m "Add .gitignore" && 
> +	>ignored.d/foo &&
> +	echo "!ignored.d/foo" >> .gitignore &&
> +	git stash save --include-untracked &&
> +	test_path_is_missing ignored.d/foo &&
> +	git stash pop &&
> +	test_path_is_file ignored.d/foo
> +'
> +
>  test_done

Will queue.  Thanks.