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authorLinus Walleij <linus.walleij@linaro.org>2019-11-18 23:30:19 +0100
committerJonathan Corbet <corbet@lwn.net>2019-11-19 13:13:45 -0700
commit291084904eb0d0e9dd15d7204b62bf809ea800ea (patch)
treee560601e3feb45ad88d3828ede84ddbd416de802 /Documentation/maintainer/configure-git.rst
parent5ca470a0c3886b80ec13c3a19e9aae4c2f469202 (diff)
Documentation: Document how to get links with git am
This adds Kees' clever apply hook to the kernel documentation so it can be easily references when needed. Cc: Kees Cook <keescook@chromium.org> Link: https://lists.linuxfoundation.org/pipermail/ksummit-discuss/2019-July/006608.html Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Link: https://lore.kernel.org/r/20191118223019.81708-1-linus.walleij@linaro.org Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Diffstat (limited to 'Documentation/maintainer/configure-git.rst')
-rw-r--r--Documentation/maintainer/configure-git.rst30
1 files changed, 30 insertions, 0 deletions
diff --git a/Documentation/maintainer/configure-git.rst b/Documentation/maintainer/configure-git.rst
index 78bbbb0d2c84..80ae5030a590 100644
--- a/Documentation/maintainer/configure-git.rst
+++ b/Documentation/maintainer/configure-git.rst
@@ -32,3 +32,33 @@ You may also like to tell ``gpg`` which ``tty`` to use (add to your shell rc fil
::
export GPG_TTY=$(tty)
+
+
+Creating commit links to lore.kernel.org
+----------------------------------------
+
+The web site http://lore.kernel.org is meant as a grand archive of all mail
+list traffic concerning or influencing the kernel development. Storing archives
+of patches here is a recommended practice, and when a maintainer applies a
+patch to a subsystem tree, it is a good idea to provide a Link: tag with a
+reference back to the lore archive so that people that browse the commit
+history can find related discussions and rationale behind a certain change.
+The link tag will look like this:
+
+ Link: https://lore.kernel.org/r/<message-id>
+
+This can be configured to happen automatically any time you issue ``git am``
+by adding the following hook into your git:
+
+.. code-block:: none
+
+ $ git config am.messageid true
+ $ cat >.git/hooks/applypatch-msg <<'EOF'
+ #!/bin/sh
+ . git-sh-setup
+ perl -pi -e 's|^Message-Id:\s*<?([^>]+)>?$|Link: https://lore.kernel.org/r/$1|g;' "$1"
+ test -x "$GIT_DIR/hooks/commit-msg" &&
+ exec "$GIT_DIR/hooks/commit-msg" ${1+"$@"}
+ :
+ EOF
+ $ chmod a+x .git/hooks/applypatch-msg