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git/Documentation/git-ls-tree.txt
Junio C Hamano cda34e0d0c doc: clarify that --abbrev=<n> is about the minimum length
Early text written in 2006 explains the "--abbrev=<n>" option to
"show only a partial prefix", without saying that the length of the
partial prefix is not necessarily the number given to the option to
ensure that the output names the object uniquely.

Update documentation for the diff family of commands, "blame",
"branch --verbose", "ls-files" and "ls-tree" to stress that the
short prefix must uniquely refer to an object, and <n> is merely
the mininum number of hexdigits used in the prefix.

Helped-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-11-04 14:04:44 -08:00

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git-ls-tree(1)
==============
NAME
----
git-ls-tree - List the contents of a tree object
SYNOPSIS
--------
[verse]
'git ls-tree' [-d] [-r] [-t] [-l] [-z]
[--name-only] [--name-status] [--full-name] [--full-tree] [--abbrev[=<n>]]
<tree-ish> [<path>...]
DESCRIPTION
-----------
Lists the contents of a given tree object, like what "/bin/ls -a" does
in the current working directory. Note that:
- the behaviour is slightly different from that of "/bin/ls" in that the
'<path>' denotes just a list of patterns to match, e.g. so specifying
directory name (without `-r`) will behave differently, and order of the
arguments does not matter.
- the behaviour is similar to that of "/bin/ls" in that the '<path>' is
taken as relative to the current working directory. E.g. when you are
in a directory 'sub' that has a directory 'dir', you can run 'git
ls-tree -r HEAD dir' to list the contents of the tree (that is
`sub/dir` in `HEAD`). You don't want to give a tree that is not at the
root level (e.g. `git ls-tree -r HEAD:sub dir`) in this case, as that
would result in asking for `sub/sub/dir` in the `HEAD` commit.
However, the current working directory can be ignored by passing
--full-tree option.
OPTIONS
-------
<tree-ish>::
Id of a tree-ish.
-d::
Show only the named tree entry itself, not its children.
-r::
Recurse into sub-trees.
-t::
Show tree entries even when going to recurse them. Has no effect
if `-r` was not passed. `-d` implies `-t`.
-l::
--long::
Show object size of blob (file) entries.
-z::
\0 line termination on output and do not quote filenames.
See OUTPUT FORMAT below for more information.
--name-only::
--name-status::
List only filenames (instead of the "long" output), one per line.
--abbrev[=<n>]::
Instead of showing the full 40-byte hexadecimal object
lines, show the shortest prefix that is at least '<n>'
hexdigits long that uniquely refers the object.
Non default number of digits can be specified with --abbrev=<n>.
--full-name::
Instead of showing the path names relative to the current working
directory, show the full path names.
--full-tree::
Do not limit the listing to the current working directory.
Implies --full-name.
[<path>...]::
When paths are given, show them (note that this isn't really raw
pathnames, but rather a list of patterns to match). Otherwise
implicitly uses the root level of the tree as the sole path argument.
Output Format
-------------
<mode> SP <type> SP <object> TAB <file>
This output format is compatible with what `--index-info --stdin` of
'git update-index' expects.
When the `-l` option is used, format changes to
<mode> SP <type> SP <object> SP <object size> TAB <file>
Object size identified by <object> is given in bytes, and right-justified
with minimum width of 7 characters. Object size is given only for blobs
(file) entries; for other entries `-` character is used in place of size.
Without the `-z` option, pathnames with "unusual" characters are
quoted as explained for the configuration variable `core.quotePath`
(see linkgit:git-config[1]). Using `-z` the filename is output
verbatim and the line is terminated by a NUL byte.
GIT
---
Part of the linkgit:git[1] suite