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-rw-r--r--Documentation/SubmittingPatches26
1 files changed, 18 insertions, 8 deletions
diff --git a/Documentation/SubmittingPatches b/Documentation/SubmittingPatches
index 72741ebda1..c3b0816ed7 100644
--- a/Documentation/SubmittingPatches
+++ b/Documentation/SubmittingPatches
@@ -10,10 +10,18 @@ Checklist (and a short version for the impatient):
description (50 characters is the soft limit, see DISCUSSION
in git-commit(1)), and should skip the full stop
- the body should provide a meaningful commit message, which:
- - uses the imperative, present tense: "change",
- not "changed" or "changes".
- - includes motivation for the change, and contrasts
- its implementation with previous behaviour
+ . explains the problem the change tries to solve, iow, what
+ is wrong with the current code without the change.
+ . justifies the way the change solves the problem, iow, why
+ the result with the change is better.
+ . alternate solutions considered but discarded, if any.
+ - describe changes in imperative mood, e.g. "make xyzzy do frotz"
+ instead of "[This patch] makes xyzzy do frotz" or "[I] changed
+ xyzzy to do frotz", as if you are giving orders to the codebase
+ to change its behaviour.
+ - try to make sure your explanation can be understood without
+ external resources. Instead of giving a URL to a mailing list
+ archive, summarize the relevant points of the discussion.
- add a "Signed-off-by: Your Name <you@example.com>" line to the
commit message (or just use the option "-s" when committing)
to confirm that you agree to the Developer's Certificate of Origin
@@ -90,7 +98,10 @@ your commit head. Instead, always make a commit with complete
commit message and generate a series of patches from your
repository. It is a good discipline.
-Describe the technical detail of the change(s).
+Give an explanation for the change(s) that is detailed enough so
+that people can judge if it is good thing to do, without reading
+the actual patch text to determine how well the code does what
+the explanation promises to do.
If your description starts to get too long, that's a sign that you
probably need to split up your commit to finer grained pieces.
@@ -99,9 +110,8 @@ help reviewers check the patch, and future maintainers understand
the code, are the most beautiful patches. Descriptions that summarise
the point in the subject well, and describe the motivation for the
change, the approach taken by the change, and if relevant how this
-differs substantially from the prior version, can be found on Usenet
-archives back into the late 80's. Consider it like good Netiquette,
-but for code.
+differs substantially from the prior version, are all good things
+to have.
Oh, another thing. I am picky about whitespaces. Make sure your
changes do not trigger errors with the sample pre-commit hook shipped