[DIM PATCH 2/3] dim: add checkpatch profiles to allow different checkpatch options

[Daniel Vetter]

On Tue, Mar 13, 2018 at 01:30:09PM +0200, Jani Nikula wrote:
> To reduce noise on CI checkpatch reports, we want to silence some
> checkpatch warnings. Different branches may end up having different
> rules, and users may want to get unfiltered results, so introduce
> checkpatch profiles. Add some placeholder profiles to be filled later
> on.
> 
> The idea is that CI would run 'dim checkpatch HEAD^ drm-intel' (or some
> other commit range-ish as the case may be).
> 
> Cc: Arkadiusz Hiler <arkadiusz.hiler at intel.com>
> Cc: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>
> Cc: Rodrigo Vivi <rodrigo.vivi at intel.com>
> Signed-off-by: Jani Nikula <jani.nikula at intel.com>
> ---
>  dim     | 46 +++++++++++++++++++++++++++++++++++++++++-----
>  dim.rst |  9 +++++++--
>  2 files changed, 48 insertions(+), 7 deletions(-)
> 
> diff --git a/dim b/dim
> index 81e2bc1511ac..4ba1c7ff490a 100755
> --- a/dim
> +++ b/dim
> @@ -836,7 +836,7 @@ function apply_patch #patch_file
>  		rv=1
>  	fi
>  
> -	if ! checkpatch_commit HEAD; then
> +	if ! checkpatch_commit HEAD branch; then
>  		rv=1
>  	fi
>  	if ! check_maintainer $branch HEAD; then
> @@ -1358,12 +1358,47 @@ function check_maintainer
>  }
>  
>  # $1 is the git sha1 to check
> +# $2 is the checkpatch profile
>  function checkpatch_commit
>  {
> -	local commit rv checkpatch_options
> +	local commit rv checkpatch_options profile profile_options
>  
>  	commit=$1
> -	checkpatch_options="-q --emacs --strict --show-types -"
> +	profile=${2:-default}
> +
> +	# special branch profile maps branches to profiles
> +	if [[ "$profile" = "branch" ]]; then
> +		case "$(git_current_branch)" in
> +			drm-intel-next-queued|drm-intel-next-fixes|drm-intel-fixes)
> +				profile=drm-intel
> +				;;
> +			drm-misc-next|drm-misc-next-fixes|drm-misc-fixes)
> +				profile=drm-misc
> +				;;

Use branch_to_repo instead, if that doesn't come up with anything, then
default?

With that little bit of polished applied, on patches 1&2:

Reviewed-by: Daniel Vetter <daniel.vetter at ffwll.ch>
> +			*)
> +				profile=default
> +				;;
> +		esac
> +	fi
> +
> +	# map profiles to checkpatch options
> +	case "$profile" in
> +		default)
> +			profile_options=""
> +			;;
> +		drm-misc)
> +			profile_options=""
> +			;;
> +		drm-intel)
> +			profile_options=""
> +			;;
> +		*)
> +			echoerr "Unknown checkpatch profile $profile"
> +			profile_options=""
> +			;;
> +	esac
> +
> +	checkpatch_options="-q --emacs --strict --show-types $profile_options -"
>  
>  	git --no-pager log --oneline -1 $commit
>  	if ! git show --pretty=email $commit |\
> @@ -1430,12 +1465,13 @@ function dim_extract_next_fixes
>  dim_alias_cp=checkpatch
>  function dim_checkpatch
>  {
> -	local range rv
> +	local range profile rv
>  
>  	range=$(rangeish "${1:-}")
> +	profile=${2:-}
>  
>  	for commit in $(git rev-list --reverse $range); do
> -		if ! checkpatch_commit $commit; then
> +		if ! checkpatch_commit $commit $profile; then
>  			rv=1
>  		fi
>  	done
> diff --git a/dim.rst b/dim.rst
> index e2c5fd6e6d0a..cc930959e497 100644
> --- a/dim.rst
> +++ b/dim.rst
> @@ -130,13 +130,18 @@ fixes *commit-ish*
>  Print the Fixes: and Cc: lines for the supplied *commit-ish* in the linux kernel
>  CodingStyle approved format.
>  
> -checkpatch [*commit-ish* [.. *commit-ish*]]
> --------------------------------------------
> +checkpatch [*commit-ish* [.. *commit-ish*]] [*profile*]
> +-------------------------------------------------------
>  Runs the given commit range commit-ish..commit-ish through the check tools.
>  
>  If no commit-ish is passed, defaults to HEAD^..HEAD. If one commit-ish is passed
>  instead of a range, the range commit-ish..HEAD is used.
>  
> +If profile is given, uses specific options for checkpatch error
> +filtering. Current profiles are "default", "branch", "drm-intel", and
> +"drm-misc". The "branch" profile maps the current git branch to the appropriate
> +profile, or if the branch is not known, to "default".
> +
>  sparse [*commit-ish* [.. *commit-ish*]]
>  ---------------------------------------
>  Run sparse on the files changed by the given commit range.
> -- 
> 2.11.0
> 
> _______________________________________________
> dim-tools mailing list
> dim-tools at lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dim-tools

-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch