[root@localhost android_source]# cp ~/bin/repo ~/bin/repo.bak
[root@localhost android_source]# rm ~/bin/repo
rm: remove regular file `/root/bin/repo'? y
[root@localhost android_source]# curl https://dl-ssl.google.com/dl/googlesource/git-repo/repo > ~/bin/repo
[root@localhost android_source]# rm ~/bin/repo
rm: remove regular file `/root/bin/repo'? y
[root@localhost android_source]# curl https://dl-ssl.google.com/dl/googlesource/git-repo/repo > ~/bin/repo