diff options
Diffstat (limited to 'Documentation/diff-options.adoc')
| -rw-r--r-- | Documentation/diff-options.adoc | 92 |
1 files changed, 54 insertions, 38 deletions
diff --git a/Documentation/diff-options.adoc b/Documentation/diff-options.adoc index 640eb6e7db..9cdad6f72a 100644 --- a/Documentation/diff-options.adoc +++ b/Documentation/diff-options.adoc @@ -37,32 +37,32 @@ endif::git-diff[] endif::git-format-patch[] ifdef::git-log[] --m:: +`-m`:: Show diffs for merge commits in the default format. This is similar to `--diff-merges=on`, except `-m` will produce no output unless `-p` is given as well. --c:: +`-c`:: Produce combined diff output for merge commits. Shortcut for `--diff-merges=combined -p`. ---cc:: +`--cc`:: Produce dense combined diff output for merge commits. Shortcut for `--diff-merges=dense-combined -p`. ---dd:: +`--dd`:: Produce diff with respect to first parent for both merge and regular commits. Shortcut for `--diff-merges=first-parent -p`. ---remerge-diff:: +`--remerge-diff`:: Produce remerge-diff output for merge commits. Shortcut for `--diff-merges=remerge -p`. ---no-diff-merges:: +`--no-diff-merges`:: Synonym for `--diff-merges=off`. ---diff-merges=<format>:: +`--diff-merges=<format>`:: Specify diff format to be used for merge commits. Default is {diff-merges-default} unless `--first-parent` is in use, in which case `first-parent` is the default. @@ -70,48 +70,54 @@ ifdef::git-log[] The following formats are supported: + -- -off, none:: +`off`:: +`none`:: Disable output of diffs for merge commits. Useful to override implied value. -on, m:: +`on`:: +`m`:: Make diff output for merge commits to be shown in the default format. The default format can be changed using `log.diffMerges` configuration variable, whose default value is `separate`. -first-parent, 1:: +`first-parent`:: +`1`:: Show full diff with respect to first parent. This is the same format as `--patch` produces for non-merge commits. -separate:: +`separate`:: Show full diff with respect to each of parents. Separate log entry and diff is generated for each parent. -combined, c:: +`combined`:: +`c`:: Show differences from each of the parents to the merge result simultaneously instead of showing pairwise diff between a parent and the result one at a time. Furthermore, it lists only files which were modified from all parents. -dense-combined, cc:: +`dense-combined`:: +`cc`:: Further compress output produced by `--diff-merges=combined` by omitting uninteresting hunks whose contents in the parents have only two variants and the merge result picks one of them without modification. -remerge, r:: - Remerge two-parent merge commits to create a temporary tree +`remerge`:: +`r`:: Remerge two-parent merge commits to create a temporary tree object--potentially containing files with conflict markers and such. A diff is then shown between that temporary tree and the actual merge commit. +-- + The output emitted when this option is used is subject to change, and so is its interaction with other options (unless explicitly documented). --- ---combined-all-paths:: + +`--combined-all-paths`:: Cause combined diffs (used for merge commits) to list the name of the file from all parents. It thus only has effect when `--diff-merges=[dense-]combined` is in use, and @@ -191,26 +197,7 @@ and starts with _<text>_, this algorithm attempts to prevent it from appearing as a deletion or addition in the output. It uses the "patience diff" algorithm internally. -`--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 the `diff.algorithm` variable to a -non-default value and want to use the default one, then you -have to use `--diff-algorithm=default` option. +include::diff-algorithm-option.adoc[] `--stat[=<width>[,<name-width>[,<count>]]]`:: Generate a diffstat. By default, as much space as necessary @@ -499,7 +486,8 @@ endif::git-format-patch[] Turn off rename detection, even when the configuration file gives the default to do so. -`--[no-]rename-empty`:: +`--rename-empty`:: +`--no-rename-empty`:: Whether to use empty blobs as rename source. ifndef::git-format-patch[] @@ -887,5 +875,33 @@ endif::git-format-patch[] reverted with `--ita-visible-in-index`. Both options are experimental and could be removed in future. +--max-depth=<depth>:: + For each pathspec given on command line, descend at most `<depth>` + levels of directories. A value of `-1` means no limit. + Cannot be combined with wildcards in the pathspec. + Given a tree containing `foo/bar/baz`, the following list shows the + matches generated by each set of options: ++ +-- + - `--max-depth=0 -- foo`: `foo` + + - `--max-depth=1 -- foo`: `foo/bar` + + - `--max-depth=1 -- foo/bar`: `foo/bar/baz` + + - `--max-depth=1 -- foo foo/bar`: `foo/bar/baz` + + - `--max-depth=2 -- foo`: `foo/bar/baz` +-- ++ +If no pathspec is given, the depth is measured as if all +top-level entries were specified. Note that this is different +than measuring from the root, in that `--max-depth=0` would +still return `foo`. This allows you to still limit depth while +asking for a subset of the top-level entries. ++ +Note that this option is only supported for diffs between tree objects, +not against the index or working tree. + For more detailed explanation on these common options, see also linkgit:gitdiffcore[7]. |