Re: [PATCH v2 2/2] Makefile: add style build rule

On Mon, Aug 14, 2017 at 3:25 PM, Junio C Hamano [off-list ref] wrote:

Brandon Williams [off-list ref] writes:

quoted

Add the 'style' build rule which will run git-clang-format on the diff
between HEAD and the current worktree.  The result is a diff of
suggested changes.

Signed-off-by: Brandon Williams <redacted>
---
 Makefile | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Makefile b/Makefile
index ba4359ef8..acfd096b7 100644
--- a/Makefile
+++ b/Makefile

@@ -2414,6 +2414,10 @@ $(SP_OBJ): %.sp: %.c GIT-CFLAGS FORCE
 .PHONY: sparse $(SP_OBJ)
 sparse: $(SP_OBJ)

+.PHONY: style
+style:
+     git clang-format --style file --diff --extensions c,h

Did we get "git clang-format" subcommand, or is "s/git //" implied
somewhere?

You need to have clang-format installed (debian/Ubuntu package, or
however it is named in your distribution), which provides this command
for us.