зеркало из https://github.com/microsoft/git.git
185 строки
5.5 KiB
Plaintext
185 строки
5.5 KiB
Plaintext
git-checkout-index(1)
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=====================
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NAME
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----
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git-checkout-index - Copy files from the index to the working tree
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SYNOPSIS
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--------
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[verse]
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'git-checkout-index' [-u] [-q] [-a] [-f] [-n] [--prefix=<string>]
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[--stage=<number>|all]
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[--temp]
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[-z] [--stdin]
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[--] [<file>]\*
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DESCRIPTION
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-----------
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Will copy all files listed from the index to the working directory
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(not overwriting existing files).
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OPTIONS
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-------
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-u|--index::
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update stat information for the checked out entries in
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the index file.
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-q|--quiet::
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be quiet if files exist or are not in the index
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-f|--force::
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forces overwrite of existing files
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-a|--all::
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checks out all files in the index. Cannot be used
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together with explicit filenames.
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-n|--no-create::
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Don't checkout new files, only refresh files already checked
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out.
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--prefix=<string>::
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When creating files, prepend <string> (usually a directory
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including a trailing /)
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--stage=<number>|all::
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Instead of checking out unmerged entries, copy out the
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files from named stage. <number> must be between 1 and 3.
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Note: --stage=all automatically implies --temp.
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--temp::
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Instead of copying the files to the working directory
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write the content to temporary files. The temporary name
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associations will be written to stdout.
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--stdin::
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Instead of taking list of paths from the command line,
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read list of paths from the standard input. Paths are
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separated by LF (i.e. one path per line) by default.
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-z::
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Only meaningful with `--stdin`; paths are separated with
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NUL character instead of LF.
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\--::
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Do not interpret any more arguments as options.
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The order of the flags used to matter, but not anymore.
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Just doing `git-checkout-index` does nothing. You probably meant
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`git-checkout-index -a`. And if you want to force it, you want
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`git-checkout-index -f -a`.
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Intuitiveness is not the goal here. Repeatability is. The reason for
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the "no arguments means no work" behavior is that from scripts you are
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supposed to be able to do:
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----------------
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$ find . -name '*.h' -print0 | xargs -0 git-checkout-index -f --
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----------------
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which will force all existing `*.h` files to be replaced with their
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cached copies. If an empty command line implied "all", then this would
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force-refresh everything in the index, which was not the point. But
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since git-checkout-index accepts --stdin it would be faster to use:
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----------------
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$ find . -name '*.h' -print0 | git-checkout-index -f -z --stdin
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----------------
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The `--` is just a good idea when you know the rest will be filenames;
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it will prevent problems with a filename of, for example, `-a`.
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Using `--` is probably a good policy in scripts.
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Using --temp or --stage=all
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---------------------------
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When `--temp` is used (or implied by `--stage=all`)
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`git-checkout-index` will create a temporary file for each index
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entry being checked out. The index will not be updated with stat
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information. These options can be useful if the caller needs all
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stages of all unmerged entries so that the unmerged files can be
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processed by an external merge tool.
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A listing will be written to stdout providing the association of
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temporary file names to tracked path names. The listing format
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has two variations:
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. tempname TAB path RS
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+
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The first format is what gets used when `--stage` is omitted or
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is not `--stage=all`. The field tempname is the temporary file
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name holding the file content and path is the tracked path name in
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the index. Only the requested entries are output.
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. stage1temp SP stage2temp SP stage3tmp TAB path RS
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+
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The second format is what gets used when `--stage=all`. The three
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stage temporary fields (stage1temp, stage2temp, stage3temp) list the
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name of the temporary file if there is a stage entry in the index
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or `.` if there is no stage entry. Paths which only have a stage 0
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entry will always be omitted from the output.
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In both formats RS (the record separator) is newline by default
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but will be the null byte if -z was passed on the command line.
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The temporary file names are always safe strings; they will never
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contain directory separators or whitespace characters. The path
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field is always relative to the current directory and the temporary
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file names are always relative to the top level directory.
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If the object being copied out to a temporary file is a symbolic
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link the content of the link will be written to a normal file. It is
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up to the end-user or the Porcelain to make use of this information.
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EXAMPLES
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--------
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To update and refresh only the files already checked out::
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+
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----------------
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$ git-checkout-index -n -f -a && git-update-index --ignore-missing --refresh
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----------------
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Using `git-checkout-index` to "export an entire tree"::
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The prefix ability basically makes it trivial to use
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`git-checkout-index` as an "export as tree" function.
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Just read the desired tree into the index, and do:
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+
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----------------
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$ git-checkout-index --prefix=git-export-dir/ -a
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----------------
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+
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`git-checkout-index` will "export" the index into the specified
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directory.
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+
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The final "/" is important. The exported name is literally just
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prefixed with the specified string. Contrast this with the
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following example.
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Export files with a prefix::
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+
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----------------
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$ git-checkout-index --prefix=.merged- Makefile
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----------------
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+
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This will check out the currently cached copy of `Makefile`
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into the file `.merged-Makefile`.
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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,
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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 linkgit:git[7] suite
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