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-rw-r--r--Documentation/diff-options.txt38
1 files changed, 27 insertions, 11 deletions
diff --git a/Documentation/diff-options.txt b/Documentation/diff-options.txt
index 306b7e3604..7805a0ccad 100644
--- a/Documentation/diff-options.txt
+++ b/Documentation/diff-options.txt
@@ -26,12 +26,12 @@ ifndef::git-format-patch[]
ifdef::git-diff[]
This is the default.
endif::git-diff[]
-endif::git-format-patch[]
-s::
--no-patch::
Suppress diff output. Useful for commands like `git show` that
show the patch by default, or to cancel the effect of `--patch`.
+endif::git-format-patch[]
-U<n>::
--unified=<n>::
@@ -63,6 +63,13 @@ ifndef::git-format-patch[]
Synonym for `-p --raw`.
endif::git-format-patch[]
+--compaction-heuristic::
+--no-compaction-heuristic::
+ These are to help debugging and tuning an experimental
+ heuristic (which is off by default) that shifts the hunk
+ boundary in an attempt to make the resulting patch easier
+ to read.
+
--minimal::
Spend extra time to make sure the smallest possible
diff is produced.
@@ -203,13 +210,16 @@ any of those replacements occurred.
of the `--diff-filter` option on what the status letters mean.
--submodule[=<format>]::
- Specify how differences in submodules are shown. When `--submodule`
- or `--submodule=log` is given, the 'log' format is used. This format lists
- the commits in the range like linkgit:git-submodule[1] `summary` does.
- Omitting the `--submodule` option or specifying `--submodule=short`,
- uses the 'short' format. This format just shows the names of the commits
- at the beginning and end of the range. Can be tweaked via the
- `diff.submodule` configuration variable.
+ Specify how differences in submodules are shown. When specifying
+ `--submodule=short` the 'short' format is used. This format just
+ shows the names of the commits at the beginning and end of the range.
+ When `--submodule` or `--submodule=log` is specified, the 'log'
+ format is used. This format lists the commits in the range like
+ linkgit:git-submodule[1] `summary` does. When `--submodule=diff`
+ is specified, the 'diff' format is used. This format shows an
+ inline diff of the changes in the submodule contents between the
+ commit range. Defaults to `diff.submodule` or the 'short' format
+ if the config option is unset.
--color[=<when>]::
Show colored diff.
@@ -271,7 +281,7 @@ For example, `--word-diff-regex=.` will treat each character as a word
and, correspondingly, show differences character by character.
+
The regex can also be set via a diff driver or configuration option, see
-linkgit:gitattributes[1] or linkgit:git-config[1]. Giving it explicitly
+linkgit:gitattributes[5] or linkgit:git-config[1]. Giving it explicitly
overrides any diff driver or configuration setting. Diff drivers
override configuration settings.
@@ -286,8 +296,8 @@ endif::git-format-patch[]
ifndef::git-format-patch[]
--check::
- Warn if changes introduce whitespace errors. What are
- considered whitespace errors is controlled by `core.whitespace`
+ Warn if changes introduce conflict markers or whitespace errors.
+ What are considered whitespace errors is controlled by `core.whitespace`
configuration. By default, trailing whitespaces (including
lines that solely consist of whitespaces) and a space character
that is immediately followed by a tab character inside the
@@ -412,6 +422,9 @@ ifndef::git-format-patch[]
paths are selected if there is any file that matches
other criteria in the comparison; if there is no file
that matches other criteria, nothing is selected.
++
+Also, these upper-case letters can be downcased to exclude. E.g.
+`--diff-filter=ad` excludes added and deleted paths.
-S<string>::
Look for differences that change the number of occurrences of
@@ -559,5 +572,8 @@ endif::git-format-patch[]
--no-prefix::
Do not show any source or destination prefix.
+--line-prefix=<prefix>::
+ Prepend an additional prefix to every line of output.
+
For more detailed explanation on these common options, see also
linkgit:gitdiffcore[7].