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150 lines
4.3 KiB
Plaintext
150 lines
4.3 KiB
Plaintext
git-update-index(1)
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===================
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NAME
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----
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git-update-index - Modifies the index or directory cache
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SYNOPSIS
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--------
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'git-update-index'
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[--add] [--remove] [--unmerged] [--refresh] [--replace]
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[--cacheinfo <mode> <object> <file>]\*
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[--chmod=(+|-)x]
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[--info-only]
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[--force-remove]
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[--stdin]
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[--index-info]
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[--ignore-missing]
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[-z]
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[--] [<file>]\*
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DESCRIPTION
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-----------
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Modifies the index or directory cache. Each file mentioned is updated
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into the cache and any 'unmerged' or 'needs updating' state is
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cleared.
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The way "git-update-index" handles files it is told about can be modified
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using the various options:
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OPTIONS
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-------
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--add::
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If a specified file isn't in the cache already then it's
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added.
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Default behaviour is to ignore new files.
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--remove::
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If a specified file is in the cache but is missing then it's
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removed.
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Default behaviour is to ignore removed file.
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--refresh::
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Looks at the current cache and checks to see if merges or
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updates are needed by checking stat() information.
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--ignore-missing::
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Ignores missing files during a --refresh
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--cacheinfo <mode> <object> <path>::
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Directly insert the specified info into the cache.
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--info-only::
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Do not create objects in the object database for all
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<file> arguments that follow this flag; just insert
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their object IDs into the cache.
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--force-remove::
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Remove the file from the index even when the working directory
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still has such a file. (Implies --remove.)
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--replace::
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By default, when a file `path` exists in the index,
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git-update-index refuses an attempt to add `path/file`.
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Similarly if a file `path/file` exists, a file `path`
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cannot be added. With --replace flag, existing entries
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that conflicts with the entry being added are
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automatically removed with warning messages.
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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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<file>::
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Files to act on.
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Note that files beginning with '.' are discarded. This includes
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`./file` and `dir/./file`. If you don't want this, then use
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cleaner names.
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The same applies to directories ending '/' and paths with '//'
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Using --refresh
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---------------
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'--refresh' does not calculate a new sha1 file or bring the cache
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up-to-date for mode/content changes. But what it *does* do is to
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"re-match" the stat information of a file with the cache, so that you
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can refresh the cache for a file that hasn't been changed but where
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the stat entry is out of date.
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For example, you'd want to do this after doing a "git-read-tree", to link
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up the stat cache details with the proper files.
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Using --cacheinfo or --info-only
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--------------------------------
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'--cacheinfo' is used to register a file that is not in the
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current working directory. This is useful for minimum-checkout
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merging.
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To pretend you have a file with mode and sha1 at path, say:
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$ git-update-index --cacheinfo mode sha1 path
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'--info-only' is used to register files without placing them in the object
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database. This is useful for status-only repositories.
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Both '--cacheinfo' and '--info-only' behave similarly: the index is updated
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but the object database isn't. '--cacheinfo' is useful when the object is
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in the database but the file isn't available locally. '--info-only' is
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useful when the file is available, but you do not wish to update the
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object database.
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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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git-checkout-index -n -f -a && git-update-index --ignore-missing --refresh
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Configuration
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-------------
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The command honors `core.filemode` configuration variable. If
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your repository is on an filesystem whose executable bits are
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unreliable, this should be set to 'false'. This causes the
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command to ignore differences in file modes recorded in the
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index and the file mode on the filesystem if they differ only on
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executable bit. On such an unfortunate filesystem, you may
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need to use `git-update-index --chmod=`.
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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 gitlink:git[7] suite
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