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-rw-r--r--Documentation/diff-options.txt52
1 files changed, 49 insertions, 3 deletions
diff --git a/Documentation/diff-options.txt b/Documentation/diff-options.txt
index 41064909ee..554a34080d 100644
--- a/Documentation/diff-options.txt
+++ b/Documentation/diff-options.txt
@@ -276,18 +276,59 @@ plain::
that are added somewhere else in the diff. This mode picks up any
moved line, but it is not very useful in a review to determine
if a block of code was moved without permutation.
-zebra::
+blocks::
Blocks of moved text of at least 20 alphanumeric characters
are detected greedily. The detected blocks are
- painted using either the 'color.diff.{old,new}Moved' color or
+ painted using either the 'color.diff.{old,new}Moved' color.
+ Adjacent blocks cannot be told apart.
+zebra::
+ Blocks of moved text are detected as in 'blocks' mode. The blocks
+ are painted using either the 'color.diff.{old,new}Moved' color or
'color.diff.{old,new}MovedAlternative'. The change between
the two colors indicates that a new block was detected.
-dimmed_zebra::
+dimmed-zebra::
Similar to 'zebra', but additional dimming of uninteresting parts
of moved code is performed. The bordering lines of two adjacent
blocks are considered interesting, the rest is uninteresting.
+ `dimmed_zebra` is a deprecated synonym.
--
+--no-color-moved::
+ Turn off move detection. This can be used to override configuration
+ settings. It is the same as `--color-moved=no`.
+
+--color-moved-ws=<modes>::
+ This configures how whitespace is ignored when performing the
+ move detection for `--color-moved`.
+ifdef::git-diff[]
+ It can be set by the `diff.colorMovedWS` configuration setting.
+endif::git-diff[]
+ These modes can be given as a comma separated list:
++
+--
+no::
+ Do not ignore whitespace when performing move detection.
+ignore-space-at-eol::
+ Ignore changes in whitespace at EOL.
+ignore-space-change::
+ Ignore changes in amount of whitespace. This ignores whitespace
+ at line end, and considers all other sequences of one or
+ more whitespace characters to be equivalent.
+ignore-all-space::
+ Ignore whitespace when comparing lines. This ignores differences
+ even if one line has whitespace where the other line has none.
+allow-indentation-change::
+ Initially ignore any whitespace in the move detection, then
+ group the moved code blocks only into a block if the change in
+ whitespace is the same per line. This is incompatible with the
+ other modes.
+--
+
+--no-color-moved-ws::
+ Do not ignore whitespace when performing move detection. This can be
+ used to override configuration settings. It is the same as
+ `--color-moved-ws=no`.
+
--word-diff[=<mode>]::
Show a word diff, using the <mode> to delimit changed words.
By default, words are delimited by whitespace; see
@@ -494,6 +535,8 @@ struct), and want to know the history of that block since it first
came into being: use the feature iteratively to feed the interesting
block in the preimage back into `-S`, and keep going until you get the
very first version of the block.
++
+Binary files are searched as well.
-G<regex>::
Look for differences whose patch text contains added/removed
@@ -513,6 +556,9 @@ While `git log -G"regexec\(regexp"` will show this commit, `git log
-S"regexec\(regexp" --pickaxe-regex` will not (because the number of
occurrences of that string did not change).
+
+Unless `--text` is supplied patches of binary files without a textconv
+filter will be ignored.
++
See the 'pickaxe' entry in linkgit:gitdiffcore[7] for more
information.