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130 lines
3.8 KiB
130 lines
3.8 KiB
git-diff-tree(1) |
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v0.1, May 2005 |
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NAME |
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---- |
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git-diff-tree - Compares the content and mode of blobs found via two tree objects |
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SYNOPSIS |
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-------- |
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'git-diff-tree' [--stdin] [-m] [-s] [-v] [--pretty] [-t] [<common diff options>] <tree-ish> <tree-ish> [<path>...] |
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DESCRIPTION |
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----------- |
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Compares the content and mode of the blobs found via two tree objects. |
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Note that "git-diff-tree" can use the tree encapsulated in a commit object. |
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OPTIONS |
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------- |
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include::diff-options.txt[] |
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<tree-ish>:: |
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The id of a tree object. |
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<path>...:: |
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If provided, the results are limited to a subset of files |
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matching one of these prefix strings. |
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ie file matches `/^<pattern1>|<pattern2>|.../` |
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Note that this parameter does not provide any wildcard or regexp |
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features. |
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-t:: |
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show tree entry itself as well as subtrees. Implies -r. |
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--root:: |
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When '--root' is specified the initial commit will be showed as a big |
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creation event. This is equivalent to a diff against the NULL tree. |
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--stdin:: |
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When '--stdin' is specified, the command does not take |
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<tree-ish> arguments from the command line. Instead, it |
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reads either one <commit> or a pair of <tree-ish> |
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separated with a single space from its standard input. |
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+ |
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When a single commit is given on one line of such input, it compares |
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the commit with its parents. The following flags further affects its |
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behaviour. This does not apply to the case where two <tree-ish> |
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separated with a single space are given. |
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-m:: |
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By default, "git-diff-tree --stdin" does not show |
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differences for merge commits. With this flag, it shows |
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differences to that commit from all of its parents. |
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-s:: |
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By default, "git-diff-tree --stdin" shows differences, |
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either in machine-readable form (without '-p') or in patch |
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form (with '-p'). This output can be supressed. It is |
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only useful with '-v' flag. |
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-v:: |
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This flag causes "git-diff-tree --stdin" to also show |
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the commit message before the differences. |
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--pretty[=(raw|medium|short)]:: |
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This is used to control "pretty printing" format of the |
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commit message. Without "=<style>", it defaults to |
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medium. |
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Limiting Output |
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--------------- |
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If you're only interested in differences in a subset of files, for |
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example some architecture-specific files, you might do: |
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git-diff-tree -r <tree-ish> <tree-ish> arch/ia64 include/asm-ia64 |
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and it will only show you what changed in those two directories. |
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Or if you are searching for what changed in just `kernel/sched.c`, just do |
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git-diff-tree -r <tree-ish> <tree-ish> kernel/sched.c |
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and it will ignore all differences to other files. |
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The pattern is always the prefix, and is matched exactly. There are no |
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wildcards. Even stricter, it has to match complete path comonent. |
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I.e. "foo" does not pick up `foobar.h`. "foo" does match `foo/bar.h` |
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so it can be used to name subdirectories. |
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An example of normal usage is: |
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torvalds@ppc970:~/git> git-diff-tree 5319e4...... |
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*100664->100664 blob ac348b.......->a01513....... git-fsck-cache.c |
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which tells you that the last commit changed just one file (it's from |
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this one: |
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commit 3c6f7ca19ad4043e9e72fa94106f352897e651a8 |
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tree 5319e4d609cdd282069cc4dce33c1db559539b03 |
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parent b4e628ea30d5ab3606119d2ea5caeab141d38df7 |
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author Linus Torvalds <torvalds@ppc970.osdl.org> Sat Apr 9 12:02:30 2005 |
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committer Linus Torvalds <torvalds@ppc970.osdl.org> Sat Apr 9 12:02:30 2005 |
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Make "git-fsck-cache" print out all the root commits it finds. |
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Once I do the reference tracking, I'll also make it print out all the |
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HEAD commits it finds, which is even more interesting. |
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in case you care). |
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Output format |
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------------- |
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include::diff-format.txt[] |
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Author |
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------ |
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Written by Linus Torvalds <torvalds@osdl.org> |
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Documentation |
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-------------- |
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Documentation by David Greaves, Junio C Hamano and the git-list <git@vger.kernel.org>. |
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GIT |
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--- |
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Part of the link:git.html[git] suite |
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