[Intel-gfx] [maintainer-tools PATCH] dim: Properly handle series on apply_branch

[Jani Nikula]

On Wed, 23 Aug 2017, Rodrigo Vivi <rodrigo.vivi at intel.com> wrote:
> So far we could use *dim* to apply a whole series
> in a mbox, but only the very last patch was receiving
> all the checks and patchwork link.
>
> So this patch remove this limitation by using git mailsplit
> to split the mbox and than use git am and checks individually
> on each patch.
>
> v2: a. Don't loop with `ls $dir` nor use ls. Shellcheck recommends
>        globs instead. Reference: SC2045
>     c. Split the apply patch in a separated function as suggested
>        by Jani.
>     b. Use -b on git mailsplit so it will automatically it is not
>        an mbox file and parse it assuming a single mail message.
>        This fixes the issue Jani notice with input directly from
>        MUA: "corrupt mailbox".
> v3: Pass $@ to apply_patch function and properly handle the shift.
>     Handle returns. If any patch in the series had some kind of goof
>     return 1.
> v4: a. Fix "@"
>     b. handle in a way that rv gets propagated with set -e
>     c. Delete temporary files and directory.
>
> Cc: Jani Nikula <jani.nikula at intel.com>
> Cc: Daniel Vetter <daniel.vetter at ffwll.ch>
> Signed-off-by: Rodrigo Vivi <rodrigo.vivi at intel.com>

LGTM, and seems to work in my workflow.

BR,
Jani.

> ---
>  dim | 52 ++++++++++++++++++++++++++++++++++------------------
>  1 file changed, 34 insertions(+), 18 deletions(-)
>
> diff --git a/dim b/dim
> index 11aa675cc3bc..46bd66f3cd3d 100755
> --- a/dim
> +++ b/dim
> @@ -756,33 +756,21 @@ function dim_push
>  	dim_push_branch $(git_current_branch) "$@"
>  }
>  
> -# ensure we're on branch $1, and apply patches. the rest of the arguments are
> -# passed to git am.
> -dim_alias_ab=apply-branch
> -dim_alias_sob=apply-branch
> -function dim_apply_branch
> +function apply_patch #patch_file
>  {
> -	local branch file message_id committer_email patch_from sob rv
> +	local patch message_id committer_email patch_from sob rv
>  
> -	branch=${1:?$usage}
> +	patch="$1"
>  	shift
> -	file=$(mktemp)
> -
> -	assert_branch $branch
> -	assert_repo_clean
> -
> -	cat > $file
> -
> -	message_id=$(message_get_id $file)
> -
> +	message_id=$(message_get_id $patch)
>  	committer_email=$(git_committer_email)
>  
> -	patch_from=$(grep "From:" "$file" | head -1)
> +	patch_from=$(grep "From:" "$patch" | head -1)
>  	if [[ "$patch_from" != *"$committer_email"* ]] ; then
>  		sob=-s
>  	fi
>  
> -	git am --scissors -3 $sob "$@" $file
> +	git am --scissors -3 $sob "$@" $patch
>  
>  	if [ -n "$message_id" ]; then
>  		dim_commit_add_tag "Link: https://patchwork.freedesktop.org/patch/msgid/$message_id"
> @@ -799,6 +787,34 @@ function dim_apply_branch
>  	fi
>  
>  	eval $DRY $DIM_POST_APPLY_ACTION
> +	return $rv
> +}
> +
> +# ensure we're on branch $1, and apply patches. the rest of the arguments are
> +# passed to git am.
> +dim_alias_ab=apply-branch
> +dim_alias_sob=apply-branch
> +function dim_apply_branch
> +{
> +	local branch file rv
> +
> +	branch=${1:?$usage}
> +	shift
> +	file=$(mktemp)
> +	dir=$(mktemp -d)
> +
> +	assert_branch $branch
> +	assert_repo_clean
> +
> +	cat > $file
> +	git mailsplit -b -o$dir $file > /dev/null
> +
> +	for patch in $dir/*; do
> +		if ! apply_patch $patch "$@"; then
> +			rv=1
> +		fi
> +	done
> +	rm -rf $file $dir
>  
>  	return $rv
>  }

-- 
Jani Nikula, Intel Open Source Technology Center