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-rw-r--r--Documentation/git-format-patch.txt72
1 files changed, 62 insertions, 10 deletions
diff --git a/Documentation/git-format-patch.txt b/Documentation/git-format-patch.txt
index 9dcafc6d44..66aba8a2e9 100644
--- a/Documentation/git-format-patch.txt
+++ b/Documentation/git-format-patch.txt
@@ -20,7 +20,7 @@ SYNOPSIS
[--ignore-if-in-upstream]
[--subject-prefix=Subject-Prefix]
[--to=<email>] [--cc=<email>]
- [--cover-letter]
+ [--cover-letter] [--quiet]
[<common diff options>]
[ <since> | <revision range> ]
@@ -196,6 +196,9 @@ will want to ensure that threading is disabled for `git send-email`.
Note that the leading character does not have to be a dot; for example,
you can use `--suffix=-patch` to get `0001-description-of-my-change-patch`.
+--quiet::
+ Do not print the names of the generated files to standard output.
+
--no-binary::
Do not output contents of changes in binary files, instead
display a notice that those files changed. Patches generated
@@ -229,6 +232,64 @@ attachments, and sign off patches with configuration variables.
------------
+DISCUSSION
+----------
+
+The patch produced by 'git format-patch' is in UNIX mailbox format,
+with a fixed "magic" time stamp to indicate that the file is output
+from format-patch rather than a real mailbox, like so:
+
+------------
+From 8f72bad1baf19a53459661343e21d6491c3908d3 Mon Sep 17 00:00:00 2001
+From: Tony Luck <tony.luck@intel.com>
+Date: Tue, 13 Jul 2010 11:42:54 -0700
+Subject: [PATCH] =?UTF-8?q?[IA64]=20Put=20ia64=20config=20files=20on=20the=20?=
+ =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig=20diet?=
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+arch/arm config files were slimmed down using a python script
+(See commit c2330e286f68f1c408b4aa6515ba49d57f05beae comment)
+
+Do the same for ia64 so we can have sleek & trim looking
+...
+------------
+
+Typically it will be placed in a MUA's drafts folder, edited to add
+timely commentary that should not go in the changelog after the three
+dashes, and then sent as a message whose body, in our example, starts
+with "arch/arm config files were...". On the receiving end, readers
+can save interesting patches in a UNIX mailbox and apply them with
+linkgit:git-am[1].
+
+When a patch is part of an ongoing discussion, the patch generated by
+'git format-patch' can be tweaked to take advantage of the 'git am
+--scissors' feature. After your response to the discussion comes a
+line that consists solely of "`-- >8 --`" (scissors and perforation),
+followed by the patch with unnecessary header fields removed:
+
+------------
+...
+> So we should do such-and-such.
+
+Makes sense to me. How about this patch?
+
+-- >8 --
+Subject: [IA64] Put ia64 config files on the Uwe Kleine-König diet
+
+arch/arm config files were slimmed down using a python script
+...
+------------
+
+When sending a patch this way, most often you are sending your own
+patch, so in addition to the "`From $SHA1 $magic_timestamp`" marker you
+should omit `From:` and `Date:` lines from the patch file. The patch
+title is likely to be different from the subject of the discussion the
+patch is in response to, so it is likely that you would want to keep
+the Subject: line, like the example above.
+
+
EXAMPLES
--------
@@ -278,15 +339,6 @@ SEE ALSO
--------
linkgit:git-am[1], linkgit:git-send-email[1]
-
-Author
-------
-Written by Junio C Hamano <gitster@pobox.com>
-
-Documentation
---------------
-Documentation by Junio C Hamano and the git-list <git@vger.kernel.org>.
-
GIT
---
Part of the linkgit:git[1] suite