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
-------
--stdin::
When '--stdin' is specified, the command does not take
<tree-ish> arguments from the command line. Instead, it
- reads either one <commit> or a list of <commit>
- separated with a single space from its standard input.
+ reads lines containing either two <tree>, one <commit>, or a
+ list of <commit> from its standard input. (Use a single space
+ as separator.)
+
-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
-behavior. The remaining commits, when given, are used as if they are
+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
+ 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,
+ 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.
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::
in case you care).
-Output format
--------------
+
include::diff-format.txt[]