git: update to 2.12.2 (#2945)
treeadc6ff6d72ec83b675622440c0cfc2b1eff92b1a
-rw-r--r-- 130 .gitignore
-rw-r--r-- 3937 .hgtags
-rw-r--r-- 1482 Makefile
-rw-r--r-- 7086 README
-rw-r--r-- 2762 Vagrantfile
drwxr-xr-x - archives
drwxr-xr-x - components
drwxr-xr-x - doc
drwxr-xr-x - make-rules
drwxr-xr-x - templates
drwxr-xr-x - tools
drwxr-xr-x - transforms