diff options
Diffstat (limited to 'Documentation/diff-options.txt')
| -rw-r--r-- | Documentation/diff-options.txt | 83 |
1 files changed, 67 insertions, 16 deletions
diff --git a/Documentation/diff-options.txt b/Documentation/diff-options.txt index 659de6f123..104579dc75 100644 --- a/Documentation/diff-options.txt +++ b/Documentation/diff-options.txt @@ -45,17 +45,56 @@ ifndef::git-format-patch[] Synonym for `-p --raw`. endif::git-format-patch[] +--minimal:: + Spend extra time to make sure the smallest possible + diff is produced. + --patience:: Generate a diff using the "patience diff" algorithm. ---stat[=<width>[,<name-width>]]:: - Generate a diffstat. You can override the default - output width for 80-column terminal by `--stat=<width>`. - The width of the filename part can be controlled by - giving another width to it separated by a comma. +--histogram:: + Generate a diff using the "histogram diff" algorithm. + +--diff-algorithm={patience|minimal|histogram|myers}:: + Choose a diff algorithm. The variants are as follows: ++ +-- +`default`, `myers`;; + The basic greedy diff algorithm. Currently, this is the default. +`minimal`;; + Spend extra time to make sure the smallest possible diff is + produced. +`patience`;; + Use "patience diff" algorithm when generating patches. +`histogram`;; + This algorithm extends the patience algorithm to "support + low-occurrence common elements". +-- ++ +For instance, if you configured diff.algorithm variable to a +non-default value and want to use the default one, then you +have to use `--diff-algorithm=default` option. + +--stat[=<width>[,<name-width>[,<count>]]]:: + Generate a diffstat. By default, as much space as necessary + will be used for the filename part, and the rest for the graph + part. Maximum width defaults to terminal width, or 80 columns + if not connected to a terminal, and can be overridden by + `<width>`. The width of the filename part can be limited by + giving another width `<name-width>` after a comma. The width + of the graph part can be limited by using + `--stat-graph-width=<width>` (affects all commands generating + a stat graph) or by setting `diff.statGraphWidth=<width>` + (does not affect `git format-patch`). + By giving a third parameter `<count>`, you can limit the + output to the first `<count>` lines, followed by `...` if + there are more. ++ +These parameters can also be set individually with `--stat-width=<width>`, +`--stat-name-width=<name-width>` and `--stat-count=<count>`. --numstat:: - Similar to `\--stat`, but shows number of added and + Similar to `--stat`, but shows number of added and deleted lines in decimal notation and pathname without abbreviation, to make it more machine friendly. For binary files, outputs two `-` instead of saying @@ -146,16 +185,18 @@ any of those replacements occurred. of the `--diff-filter` option on what the status letters mean. --submodule[=<format>]:: - Chose the output format for submodule differences. <format> can be one of - 'short' and 'log'. 'short' just shows pairs of commit names, this format - is used when this option is not given. 'log' is the default value for this - option and lists the commits in that commit range like the 'summary' - option of linkgit:git-submodule[1] does. + 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. --color[=<when>]:: Show colored diff. - The value must be `always` (the default for `<when>`), `never`, or `auto`. - The default value is `never`. + `--color` (i.e. without '=<when>') is the same as `--color=always`. + '<when>' can be one of `always`, `never`, or `auto`. ifdef::git-diff[] It can be changed by the `color.ui` and `color.diff` configuration settings. @@ -262,7 +303,7 @@ few lines that happen to match textually as the context, but as a single deletion of everything old followed by a single insertion of everything new, and the number `m` controls this aspect of the -B option (defaults to 60%). `-B/70%` specifies that less than 30% of the -original should remain in the result for git to consider it a total +original should remain in the result for Git to consider it a total rewrite (i.e. otherwise the resulting patch will be a series of deletion and insertion mixed together with context lines). + @@ -286,9 +327,13 @@ ifdef::git-log[] endif::git-log[] If `n` is specified, it is a threshold on the similarity index (i.e. amount of addition/deletions compared to the - file's size). For example, `-M90%` means git should consider a + file's size). For example, `-M90%` means Git should consider a delete/add pair to be a rename if more than 90% of the file - hasn't changed. + hasn't changed. Without a `%` sign, the number is to be read as + a fraction, with a decimal point before it. I.e., `-M5` becomes + 0.5, and is thus the same as `-M50%`. Similarly, `-M05` is + the same as `-M5%`. To limit detection to exact renames, use + `-M100%`. -C[<n>]:: --find-copies[=<n>]:: @@ -398,7 +443,12 @@ endif::git-format-patch[] Show the context between diff hunks, up to the specified number of lines, thereby fusing hunks that are close to each other. +-W:: +--function-context:: + Show whole surrounding functions of changes. + ifndef::git-format-patch[] +ifndef::git-log[] --exit-code:: Make the program exit with codes similar to diff(1). That is, it exits with 1 if there were differences and @@ -406,6 +456,7 @@ ifndef::git-format-patch[] --quiet:: Disable all output of the program. Implies `--exit-code`. +endif::git-log[] endif::git-format-patch[] --ext-diff:: |