admin1@admin-Virtualbox:~$ sudo apt-get install git
[sudo] password for admin1:
Reading package lists... Done
Building dependency tree
Reading state information... Done
git is already the newest version (1:2.25.1-1ubuntu3).
0 to upgrade, 0 to newly install, 0 to remove and 0 not to upgrade.
admin1@admin-Virtualbox:~$ mkdir ~/bin
admin1@admin-Virtualbox:~$ cd bin
admin1@admin-Virtualbox:~/bin$ ls
admin1@admin-Virtualbox:~/bin$ PATH=~/bin:$PATH
admin1@admin-Virtualbox:~/bin$ curl https://storage.googleapis.com/git-repo-downloads/repo > ~/bin/repo
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100 39134  100 39134    0     0   424k      0 --:--:-- --:--:-- --:--:--  424k
admin1@admin-Virtualbox:~/bin$ chmod a+x ~/bin/repo
admin1@admin-Virtualbox:~/bin$     mkdir twrp && cd twrp
admin1@admin-Virtualbox:~/bin/twrp$     repo init -u git://github.com/minimal-manifest-twrp/platform_manifest_twrp_omni.git -b twrp-7.1
/usr/bin/env: ‘python’: No such file or directory
admin1@admin-Virtualbox:~/bin/twrp$ sudo repo init -u git://github.com/minimal-manifest-twrp/platform_manifest_twrp_omni.git -b twrp-7.1
fatal: cannot make .repo directory: Permission denied