Re: how to revert changes in working tree?

[Liu Yubao <yubao.liu@gmail.com>]

Shawn Pearce wrote:
> 
> You are just *very unlucky*.  :-)
> 
> The Linux kernel has case sensitive file names.  In other words there
> are two files in the kernel:
> 
>   net/netfilter/xt_MARK.c
>   net/netfilter/xt_mark.c
> 
> and they have different content!  On NTFS or FAT, where filenames
> are not case sensitive, these become the same file.  So Git now
> starts to think that the file was modified, because one of those
> files overwrote the other when they were checked out.
> 
> Moral of the story: You cannot work with the linux.git repository
> on a case insensitive filesystem, like NTFS, FAT (Windows), or HFS+
> (Mac OS X).
> 
Yes, you are very right.

$ git ls-files |tr A-Z a-z | sort | uniq -c |grep -v "1 "
      2 include/linux/netfilter/xt_connmark.h
      2 include/linux/netfilter/xt_dscp.h
      2 include/linux/netfilter/xt_mark.h
      2 include/linux/netfilter_ipv4/ipt_connmark.h
      2 include/linux/netfilter_ipv4/ipt_dscp.h
      2 include/linux/netfilter_ipv4/ipt_ecn.h
      2 include/linux/netfilter_ipv4/ipt_mark.h
      2 include/linux/netfilter_ipv4/ipt_tcpmss.h
      2 include/linux/netfilter_ipv4/ipt_tos.h
      2 include/linux/netfilter_ipv4/ipt_ttl.h
      2 include/linux/netfilter_ipv6/ip6t_hl.h
      2 include/linux/netfilter_ipv6/ip6t_mark.h
      2 net/ipv4/netfilter/ipt_ecn.c
      2 net/ipv4/netfilter/ipt_tos.c
      2 net/ipv4/netfilter/ipt_ttl.c
      2 net/ipv6/netfilter/ip6t_hl.c
      2 net/netfilter/xt_connmark.c
      2 net/netfilter/xt_dscp.c
      2 net/netfilter/xt_mark.c