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-rw-r--r--Documentation/diff-generate-patch.txt13
1 files changed, 9 insertions, 4 deletions
diff --git a/Documentation/diff-generate-patch.txt b/Documentation/diff-generate-patch.txt
index b10ff4caa6..c78063d4f7 100644
--- a/Documentation/diff-generate-patch.txt
+++ b/Documentation/diff-generate-patch.txt
@@ -11,7 +11,7 @@ linkgit:git-diff-files[1]
with the `-p` option produces patch text.
You can customize the creation of patch text via the
`GIT_EXTERNAL_DIFF` and the `GIT_DIFF_OPTS` environment variables
-(see linkgit:git[1]).
+(see linkgit:git[1]), and the `diff` attribute (see linkgit:gitattributes[5]).
What the -p option produces is slightly different from the traditional
diff format:
@@ -74,6 +74,11 @@ separate lines indicate the old and the new mode.
rename from b
rename to a
+5. Hunk headers mention the name of the function to which the hunk
+ applies. See "Defining a custom hunk-header" in
+ linkgit:gitattributes[5] for details of how to tailor to this to
+ specific languages.
+
Combined diff format
--------------------
@@ -81,9 +86,9 @@ Combined diff format
Any diff-generating command can take the `-c` or `--cc` option to
produce a 'combined diff' when showing a merge. This is the default
format when showing merges with linkgit:git-diff[1] or
-linkgit:git-show[1]. Note also that you can give the `-m` option to any
-of these commands to force generation of diffs with individual parents
-of a merge.
+linkgit:git-show[1]. Note also that you can give suitable
+`--diff-merges` option to any of these commands to force generation of
+diffs in specific format.
A "combined diff" format looks like this: