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166 lines
4.9 KiB
166 lines
4.9 KiB
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 | --force-remove] [--replace] |
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[--refresh [-q] [--unmerged] [--ignore-missing]] |
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[--cacheinfo <mode> <object> <file>]\* |
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[--chmod=(+|-)x] |
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[--info-only] [--index-info] |
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[-z] [--stdin] |
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[--verbose] |
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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 index 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 index 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 index 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 index and checks to see if merges or |
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updates are needed by checking stat() information. |
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-q:: |
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Quiet. If --refresh finds that the index needs an update, the |
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default behavior is to error out. This option makes |
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git-update-index continue anyway. |
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--unmerged:: |
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If --refresh finds unmerged changes in the index, the default |
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behavior is to error out. This option makes git-update-index |
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continue anyway. |
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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 index. |
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--index-info:: |
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Read index info from stdin. |
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--chmod=(+|-)x:: |
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Set the execute permissions on the updated files. |
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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 index. |
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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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--verbose:: |
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Report what is being added and removed from index. |
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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 index |
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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 index, so that you |
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can refresh the index 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 index 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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