[PATCH 19/24] update-index: manually enable or disable untracked cache

Overall time saving on git status is about 40% in the best case scenario, removing ..collect_untracked() as the most time consuming function. read and refresh index operations are now at the top (which should drop when index-helper and/or watchman support is added). More numbers and analysis

[PATCH 19/24] update-index: manually enable or disable untracked cache

Overall time saving on git status is about 40% in the best case scenario, removing ..collect_untracked() as the most time consuming function. read and refresh index operations are now at the top (which should drop when index-helper and/or watchman support is added). More numbers and analysis

[PATCH 19/24] update-index: manually enable or disable untracked cache

Overall time saving on git status is about 40% in the best case scenario, removing ..collect_untracked() as the most time consuming function. read and refresh index operations are now at the top (which should drop when index-helper and/or watchman support is added). More numbers and analysis