diff options
Diffstat (limited to 'Documentation/git-update-index.txt')
| -rw-r--r-- | Documentation/git-update-index.txt | 34 |
1 files changed, 23 insertions, 11 deletions
diff --git a/Documentation/git-update-index.txt b/Documentation/git-update-index.txt index 82eca6fdf6..1a296bc29a 100644 --- a/Documentation/git-update-index.txt +++ b/Documentation/git-update-index.txt @@ -82,20 +82,18 @@ OPTIONS Set the execute permissions on the updated files. --[no-]assume-unchanged:: - When these flags are specified, the object names recorded - for the paths are not updated. Instead, these options - set and unset the "assume unchanged" bit for the - paths. When the "assume unchanged" bit is on, Git stops - checking the working tree files for possible - modifications, so you need to manually unset the bit to - tell Git when you change the working tree file. This is + When this flag is specified, the object names recorded + for the paths are not updated. Instead, this option + sets/unsets the "assume unchanged" bit for the + paths. When the "assume unchanged" bit is on, the user + promises not to change the file and allows Git to assume + that the working tree file matches what is recorded in + the index. If you want to change the working tree file, + you need to unset the bit to tell Git. This is sometimes helpful when working with a big project on a filesystem that has very slow lstat(2) system call (e.g. cifs). + -This option can be also used as a coarse file-level mechanism -to ignore uncommitted changes in tracked files (akin to what -`.gitignore` does for untracked files). Git will fail (gracefully) in case it needs to modify this file in the index e.g. when merging in a commit; thus, in case the assumed-untracked file is changed upstream, @@ -170,7 +168,21 @@ may not support it yet. split-index mode is already enabled and `--split-index` is given again, all changes in $GIT_DIR/index are pushed back to the shared index file. This mode is designed for very large - indexes that take a signficant amount of time to read or write. + indexes that take a significant amount of time to read or write. + +--untracked-cache:: +--no-untracked-cache:: + Enable or disable untracked cache extension. This could speed + up for commands that involve determining untracked files such + as `git status`. The underlying operating system and file + system must change `st_mtime` field of a directory if files + are added or deleted in that directory. + +--force-untracked-cache:: + For safety, `--untracked-cache` performs tests on the working + directory to make sure untracked cache can be used. These + tests can take a few seconds. `--force-untracked-cache` can be + used to skip the tests. \--:: Do not interpret any more arguments as options. |