SYNOPSIS
--------
[verse]
-'git-diff-tree' [--stdin] [-m] [-s] [-v] [--no-commit-id] [--pretty]
+'git diff-tree' [--stdin] [-m] [-s] [-v] [--no-commit-id] [--pretty]
[-t] [-r] [-c | --cc] [--root] [<common diff options>]
<tree-ish> [<tree-ish>] [<path>...]
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.
+Note that 'git-diff-tree' can use the tree encapsulated in a commit object.
OPTIONS
-------
<path>...::
If provided, the results are limited to a subset of files
matching one of these prefix strings.
- i
e file matches `/^<pattern1>|<pattern2>|.../`
+ i
.e., file matches `/^<pattern1>|<pattern2>|.../`
Note that this parameter does not provide any wildcard or regexp
features.
+
When a single commit is given on one line of such input, it compares
the commit with its parents. The following flags further affects its
-behaviour. This does not apply to the case where two <tree-ish>
+behavior. This does not apply to the case where two <tree-ish>
separated with a single space are given.
-m::
- By default, "git-diff-tree --stdin" does not show
+ 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.
+ differences to that commit from all of its parents. See
+ also '-c'.
-s::
- By default, "git-diff-tree --stdin" shows differences,
+ 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
+ This flag causes 'git-diff-tree --stdin' to also show
the commit message before the differences.
---pretty[=(raw|medium|short)]::
- This is used to control "pretty printing" format of the
- commit message. Without "=<style>", it defaults to
- medium.
+include::pretty-options.txt[]
--no-commit-id::
- git-diff-tree outputs a line with the commit ID when
+ 'git-diff-tree' outputs a line with the commit ID when
applicable. This flag suppressed the commit ID output.
--c,--cc::
- These flags change the way a merge commit is displayed
+-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 '-m' option
- output does. '--cc' further compresses the output by
- omiting hunks that show differences from only one
+ 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 hunks that show differences from only one
parent, or show the same change from all but one parent
for an Octopus merge. When this optimization makes all
hunks disappear, the commit itself and the commit log
- message is not shown, just like any other "empty diff" cases.
+ message is not shown, just like in any other "empty diff" case.
--always::
Show the commit itself and the commit log message even
if the diff itself is empty.
+include::pretty-formats.txt[]
+
+
Limiting Output
---------------
If you're only interested in differences in a subset of files, for
example some architecture-specific files, you might do:
- git-diff-tree -r <tree-ish> <tree-ish> arch/ia64 include/asm-ia64
+ git diff-tree -r <tree-ish> <tree-ish> arch/ia64 include/asm-ia64
and it will only show you what changed in those two directories.
Or if you are searching for what changed in just `kernel/sched.c`, just do
- git-diff-tree -r <tree-ish> <tree-ish> kernel/sched.c
+ git diff-tree -r <tree-ish> <tree-ish> kernel/sched.c
and it will ignore all differences to other files.
An example of normal usage is:
- torvalds@ppc970:~/git> git-diff-tree 5319e4......
+ torvalds@ppc970:~/git> git diff-tree 5319e4......
*100664->100664 blob ac348b.......->a01513....... git-fsck-objects.c
which tells you that the last commit changed just one file (it's from
GIT
---
-Part of the gitlink:git[7] suite
-
+Part of the linkgit:git[1] suite