__git_ps1 extremely slow in kernel tree

Question

$ time __git_ps1
((v2.6.33.4))
real    0m1.467s
user    0m0.864s
sys  0m0.564s

It\'s making my prompt unusable; on the other hand, though, it\'s too us

Answer 1

to know where exactly this takes time you can do :

bash -x

then

__git_ps1

Mine was taking time for

++ git ls-files --others --exclude-standard

it was listing all the files of my gitted home drectory. even on a fast ssd, it took quite a long time.