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GIT-CHECKOUT-INDEX(1)                            Git Manual                            GIT-CHECKOUT-INDEX(1)

       git-checkout-index - Copy files from the index to the working tree

       git checkout-index [-u] [-q] [-a] [-f] [-n] [--prefix=<string>]
                          [-z] [--stdin]
                          [--] [<file>...]

       Will copy all files listed from the index to the working directory (not overwriting existing files).

       -u, --index
           update stat information for the checked out entries in the index file.

       -q, --quiet
           be quiet if files exist or are not in the index

       -f, --force
           forces overwrite of existing files

       -a, --all
           checks out all files in the index. Cannot be used together with explicit filenames.

       -n, --no-create
           Don't checkout new files, only refresh files already checked out.

           When creating files, prepend <string> (usually a directory including a trailing /)

           Instead of checking out unmerged entries, copy out the files from named stage. <number> must be
           between 1 and 3. Note: --stage=all automatically implies --temp.

           Instead of copying the files to the working directory write the content to temporary files. The
           temporary name associations will be written to stdout.

           Instead of taking list of paths from the command line, read list of paths from the standard
           input. Paths are separated by LF (i.e. one path per line) by default.

           Only meaningful with --stdin; paths are separated with NUL character instead of LF.

       --Do -Do
           Do not interpret any more arguments as options.

       The order of the flags used to matter, but not anymore.

       Just doing git checkout-index does nothing. You probably meant git checkout-index -a. And if you want
       to force it, you want git checkout-index -f -a.

       Intuitiveness is not the goal here. Repeatability is. The reason for the "no arguments means no work"
       behavior is that from scripts you are supposed to be able to do:

           $ find . -name '*.h' -print0 | xargs -0 git checkout-index -f --which -which

       which will force all existing *.h files to be replaced with their cached copies. If an empty command
       line implied "all", then this would force-refresh everything in the index, which was not the point.
       But since git checkout-index accepts --stdin it would be faster to use:

           $ find . -name '*.h' -print0 | git checkout-index -f -z --stdin

       The -- is just a good idea when you know the rest will be filenames; it will prevent problems with a
       filename of, for example, -a. Using -- is probably a good policy in scripts.

       When --temp is used (or implied by --stage=all) git checkout-index will create a temporary file for
       each index entry being checked out. The index will not be updated with stat information. These
       options can be useful if the caller needs all stages of all unmerged entries so that the unmerged
       files can be processed by an external merge tool.

       A listing will be written to stdout providing the association of temporary file names to tracked path
       names. The listing format has two variations:

        1. tempname TAB path RS

           The first format is what gets used when --stage is omitted or is not --stage=all. The field
           tempname is the temporary file name holding the file content and path is the tracked path name in
           the index. Only the requested entries are output.

        2. stage1temp SP stage2temp SP stage3tmp TAB path RS

           The second format is what gets used when --stage=all. The three stage temporary fields
           (stage1temp, stage2temp, stage3temp) list the name of the temporary file if there is a stage
           entry in the index or .  if there is no stage entry. Paths which only have a stage 0 entry will
           always be omitted from the output.

       In both formats RS (the record separator) is newline by default but will be the null byte if -z was
       passed on the command line. The temporary file names are always safe strings; they will never contain
       directory separators or whitespace characters. The path field is always relative to the current
       directory and the temporary file names are always relative to the top level directory.

       If the object being copied out to a temporary file is a symbolic link the content of the link will be
       written to a normal file. It is up to the end-user or the Porcelain to make use of this information.

       To update and refresh only the files already checked out

               $ git checkout-index -n -f -a && git update-index --ignore-missing --refresh

       Using git checkout-index to "export an entire tree"
           The prefix ability basically makes it trivial to use git checkout-index as an "export as tree"
           function. Just read the desired tree into the index, and do:

               $ git checkout-index --prefix=git-export-dir/ -a

           git checkout-index will "export" the index into the specified directory.

           The final "/" is important. The exported name is literally just prefixed with the specified
           string. Contrast this with the following example.

       Export files with a prefix

               $ git checkout-index --prefix=.merged- Makefile

           This will check out the currently cached copy of Makefile into the file .merged-Makefile.

       Part of the git(1) suite

Git 1.8.3                                        05/24/2013                            GIT-CHECKOUT-INDEX(1)

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