Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@xxxxxxxxx> --- .. and the user should know (briefly) the differences between index versions too. Documentation/git-update-index.txt | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/Documentation/git-update-index.txt b/Documentation/git-update-index.txt index 77a912d..e5aaba5 100644 --- a/Documentation/git-update-index.txt +++ b/Documentation/git-update-index.txt @@ -145,7 +145,15 @@ you will need to handle the situation manually. --index-version <n>:: Write the resulting index out in the named on-disk format version. - The current default version is 2. + Supported versions are 2, 3 and 4. The current default version is 2 + or 3, depending on whether extra features are used, such as + `git add -N`. ++ + Version 4 performs a simple pathname compression that could + reduce index size by 30%-50% on large repositories, which + results in faster load time. Version 4 is relatively young + (first released in 1.8.0 in October 2012). Other Git + implementations may not support it yet. -z:: Only meaningful with `--stdin` or `--index-info`; paths are -- 1.8.1.2.536.gf441e6d -- To unsubscribe from this list: send the line "unsubscribe git" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html