+// Please don't remove this comment as asciidoc behaves badly when
+// the first non-empty line is ifdef/ifndef. The symptom is that
+// without this comment the <git-diff-core> attribute conditionally
+// defined below ends up being defined unconditionally.
+// Last checked with asciidoc 7.0.2.
+
+ifndef::git-format-patch[]
+ifndef::git-diff[]
+:git-diff-core: 1
+endif::git-diff[]
+endif::git-format-patch[]
+
+ifdef::git-format-patch[]
-p::
- Generate patch (see section on generating patches)
+ Generate patches without diffstat.
+endif::git-format-patch[]
+
+ifndef::git-format-patch[]
+-p::
+ Generate patch (see section on generating patches).
+ {git-diff? This is the default.}
+endif::git-format-patch[]
-u::
Synonym for "-p".
+-U<n>::
+ Shorthand for "--unified=<n>".
+
+--unified=<n>::
+ Generate diffs with <n> lines of context instead of
+ the usual three. Implies "-p".
+
--raw::
Generate the raw format.
+ {git-diff-core? This is the default.}
--patch-with-raw::
Synonym for "-p --raw".
--patch-with-stat::
Synonym for "-p --stat".
+ {git-format-patch? This is the default.}
-z::
- \0 line termination on output
+ NUL-line termination on output. This affects the --raw
+ output field terminator. Also output from commands such
+ as "git-log" will be delimited with NUL between commits.
--name-only::
Show only names of changed files.
Turn off rename detection, even when the configuration
file gives the default to do so.
+--check::
+ Warn if changes introduce trailing whitespace
+ or an indent that uses a space before a tab.
+
--full-index::
Instead of the first handful characters, show full
object name of pre- and post-image blob on the "index"
Detect renames.
-C::
- Detect copies as well as renames.
+ Detect copies as well as renames. See also `--find-copies-harder`.
--diff-filter=[ACDMRTUXB*]::
Select only files that are Added (`A`), Copied (`C`),
that matches other criteria, nothing is selected.
--find-copies-harder::
- For performance reasons, by default, -C option finds copies only
- if the original file of the copy was modified in the same
+ For performance reasons, by default, `-C` option finds copies only
+ if the original file of the copy was modified in the same
changeset. This flag makes the command
inspect unmodified files as candidates for the source of
copy. This is a very expensive operation for large
- projects, so use it with caution.
+ projects, so use it with caution. Giving more than one
+ `-C` option has the same effect.
-l<num>::
-M and -C options require O(n^2) processing time where n
-a::
Shorthand for "--text".
+--ignore-space-at-eol::
+ Ignore changes in white spaces at EOL.
+
--ignore-space-change::
Ignore changes in amount of white space. This ignores white
space at line end, and consider all other sequences of one or
-w::
Shorthand for "--ignore-all-space".
+--exit-code::
+ Make the program exit with codes similar to diff(1).
+ That is, it exits with 1 if there were differences and
+ 0 means no differences.
+
+--quiet::
+ Disable all output of the program. Implies --exit-code.
+
+--ext-diff::
+ Allow an external diff helper to be executed. If you set an
+ external diff driver with gitlink:gitattributes[5], you need
+ to use this option with gitlink:git-log[1] and friends.
+
+--no-ext-diff::
+ Disallow external diff drivers.
+
For more detailed explanation on these common options, see also
link:diffcore.html[diffcore documentation].