Using a local mirror, repo sync speed up!

Create a local mirror of AOSP
Add repo init option "--mirror".

$ mkdir -p /mirror
$ cd /mirror
$ repo init -u https://android.googlesource.com/mirror/manifest --mirror
$ repo sync

Download time : about 4 hours and over.
volume : 10GB over

Get source from a local mirror

when get source from a local mirror, change repo init url with locla path.

$ mkdir -p android-4.0.3_r1
$ cd android-4.0.3_r1
$ repo init -u /mirror/platform/manifest.git -b android-4.0.3_r1
$ repo sync

I try to get android-4.0.3_r1 branch.

$ repo init -u ../aosp_mirror/platform/manifest.git/ -b android-4.0.3_r1
real 3m18.429s
user 8m21.260s
sys 0m54.990s

when get ICS soruce, time is 3m18s !!
(using SSD, not HDD!)