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diff --git a/Documentation/git-diff-tree.txt b/Documentation/git-diff-tree.txt new file mode 100644 index 000000000000..5c8a2a5e9755 --- /dev/null +++ b/Documentation/git-diff-tree.txt @@ -0,0 +1,126 @@ +git-diff-tree(1) +================ + +NAME +---- +git-diff-tree - Compares the content and mode of blobs found via two tree objects + + +SYNOPSIS +-------- +[verse] +'git diff-tree' [--stdin] [-m] [-s] [-v] [--no-commit-id] [--pretty] + [-t] [-r] [-c | --cc] [--combined-all-paths] [--root] + [<common diff options>] <tree-ish> [<tree-ish>] [<path>...] + +DESCRIPTION +----------- +Compares the content and mode of the blobs found via two tree objects. + +If there is only one <tree-ish> given, the commit is compared with its parents +(see --stdin below). + +Note that 'git diff-tree' can use the tree encapsulated in a commit object. + +OPTIONS +------- +include::diff-options.txt[] + +<tree-ish>:: + The id of a tree object. + +<path>...:: + If provided, the results are limited to a subset of files + matching one of the provided pathspecs. + +-r:: + recurse into sub-trees + +-t:: + show tree entry itself as well as subtrees. Implies -r. + +--root:: + When `--root` is specified the initial commit will be shown as a big + creation event. This is equivalent to a diff against the NULL tree. + +--stdin:: + When `--stdin` is specified, the command does not take + <tree-ish> arguments from the command line. Instead, it + reads lines containing either two <tree>, one <commit>, or a + list of <commit> from its standard input. (Use a single space + as separator.) ++ +When two trees are given, it compares the first tree with the second. +When a single commit is given, it compares the commit with its +parents. The remaining commits, when given, are used as if they are +parents of the first commit. ++ +When comparing two trees, the ID of both trees (separated by a space +and terminated by a newline) is printed before the difference. When +comparing commits, the ID of the first (or only) commit, followed by a +newline, is printed. ++ +The following flags further affect the behavior when comparing +commits (but not trees). + +-m:: + By default, 'git diff-tree --stdin' does not show + differences for merge commits. With this flag, it shows + differences to that commit from all of its parents. See + also `-c`. + +-s:: + By default, 'git diff-tree --stdin' shows differences, + either in machine-readable form (without `-p`) or in patch + form (with `-p`). This output can be suppressed. It is + only useful with `-v` flag. + +-v:: + This flag causes 'git diff-tree --stdin' to also show + the commit message before the differences. + +include::pretty-options.txt[] + +--no-commit-id:: + 'git diff-tree' outputs a line with the commit ID when + applicable. This flag suppressed the commit ID output. + +-c:: + This flag changes the way a merge commit is displayed + (which means it is useful only when the command is given + one <tree-ish>, or `--stdin`). It shows the 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 (which is what the `-m` option does). + Furthermore, it lists only files which were modified + from all parents. + +--cc:: + This flag changes the way a merge commit patch is displayed, + in a similar way to the `-c` option. It implies the `-c` + and `-p` options and further compresses the patch output + by omitting uninteresting hunks whose the contents in the parents + have only two variants and the merge result picks one of them + without modification. When all hunks are uninteresting, the commit + itself and the commit log message is not shown, just like in any other + "empty diff" case. + +--combined-all-paths:: + This flag causes combined diffs (used for merge commits) to + list the name of the file from all parents. It thus only has + effect when -c or --cc are specified, and is likely only + useful if filename changes are detected (i.e. when either + rename or copy detection have been requested). + +--always:: + Show the commit itself and the commit log message even + if the diff itself is empty. + + +include::pretty-formats.txt[] + +include::diff-format.txt[] + +GIT +--- +Part of the linkgit:git[1] suite |