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Diffstat (limited to 'Documentation/git-status.txt')
-rw-r--r-- | Documentation/git-status.txt | 62 |
1 files changed, 61 insertions, 1 deletions
diff --git a/Documentation/git-status.txt b/Documentation/git-status.txt index 54a4b29b47..a051b1e8f3 100644 --- a/Documentation/git-status.txt +++ b/Documentation/git-status.txt @@ -9,7 +9,7 @@ git-status - Show the working tree status SYNOPSIS -------- [verse] -'git status' [<options>...] [--] [<pathspec>...] +'git status' [<options>] [--] [<pathspec>...] DESCRIPTION ----------- @@ -457,6 +457,66 @@ during the write may conflict with other simultaneous processes, causing them to fail. Scripts running `status` in the background should consider using `git --no-optional-locks status` (see linkgit:git[1] for details). +UNTRACKED FILES AND PERFORMANCE +------------------------------- + +`git status` can be very slow in large worktrees if/when it +needs to search for untracked files and directories. There are +many configuration options available to speed this up by either +avoiding the work or making use of cached results from previous +Git commands. There is no single optimum set of settings right +for everyone. We'll list a summary of the relevant options to help +you, but before going into the list, you may want to run `git status` +again, because your configuration may already be caching `git status` +results, so it could be faster on subsequent runs. + +* The `--untracked-files=no` flag or the + `status.showUntrackedfiles=false` config (see above for both): + indicate that `git status` should not report untracked + files. This is the fastest option. `git status` will not list + the untracked files, so you need to be careful to remember if + you create any new files and manually `git add` them. + +* `advice.statusUoption=false` (see linkgit:git-config[1]): + setting this variable to `false` disables the warning message + given when enumerating untracked files takes more than 2 + seconds. In a large project, it may take longer and the user + may have already accepted the trade off (e.g. using "-uno" may + not be an acceptable option for the user), in which case, there + is no point issuing the warning message, and in such a case, + disabling the warning may be the best. + +* `core.untrackedCache=true` (see linkgit:git-update-index[1]): + enable the untracked cache feature and only search directories + that have been modified since the previous `git status` command. + Git remembers the set of untracked files within each directory + and assumes that if a directory has not been modified, then + the set of untracked files within has not changed. This is much + faster than enumerating the contents of every directory, but still + not without cost, because Git still has to search for the set of + modified directories. The untracked cache is stored in the + `.git/index` file. The reduced cost of searching for untracked + files is offset slightly by the increased size of the index and + the cost of keeping it up-to-date. That reduced search time is + usually worth the additional size. + +* `core.untrackedCache=true` and `core.fsmonitor=true` or + `core.fsmonitor=<hook_command_pathname>` (see + linkgit:git-update-index[1]): enable both the untracked cache + and FSMonitor features and only search directories that have + been modified since the previous `git status` command. This + is faster than using just the untracked cache alone because + Git can also avoid searching for modified directories. Git + only has to enumerate the exact set of directories that have + changed recently. While the FSMonitor feature can be enabled + without the untracked cache, the benefits are greatly reduced + in that case. + +Note that after you turn on the untracked cache and/or FSMonitor +features it may take a few `git status` commands for the various +caches to warm up before you see improved command times. This is +normal. + SEE ALSO -------- linkgit:gitignore[5] |