diff.c: add white space mode to move detection that allows indent changes

[thirdparty/git.git] / Documentation / diff-options.txt

diff --git a/Documentation/diff-options.txt b/Documentation/diff-options.txt
index c330c01ff096c9f2e66cbbea2557b6429b90e81a..143acd9417ed60f377ed357cc6db9717628f941e 100644 (file)
--- a/Documentation/diff-options.txt
+++ b/Documentation/diff-options.txt
@@ -128,6 +128,14 @@ have to use `--diff-algorithm=default` option.
 These parameters can also be set individually with `--stat-width=<width>`,
 `--stat-name-width=<name-width>` and `--stat-count=<count>`.
 
+--compact-summary::
+       Output a condensed summary of extended header information such
+       as file creations or deletions ("new" or "gone", optionally "+l"
+       if it's a symlink) and mode changes ("+x" or "-x" for adding
+       or removing executable bit respectively) in diffstat. The
+       information is put betwen the filename part and the graph
+       part. Implies `--stat`.
+
 --numstat::
        Similar to `--stat`, but shows number of added and
        deleted lines in decimal notation and pathname without
@@ -268,10 +276,14 @@ 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::
@@ -280,6 +292,28 @@ dimmed_zebra::
        blocks are considered interesting, the rest is uninteresting.
 --
 
+--color-moved-ws=<modes>::
+       This configures how white spaces are ignored when performing the
+       move detection for `--color-moved`. These modes can be given
+       as a comma separated list:
++
+--
+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 white spaces 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.
+--
+
 --word-diff[=<mode>]::
        Show a word diff, using the <mode> to delimit changed words.
        By default, words are delimited by whitespace; see