Is the backup of /etc/environment to /etc/environmente deliberate?

[rbellamy]

Describe the bug
Within etc-environment.sh there is the following sed command:
https://github.com/actions/virtual-environments/blob/master/images/linux/scripts/helpers/etc-environment.sh#L29

sudo sed -ie "s%^${variable_name}=.*$%${variable_name}=\"${variable_value}\"%" /etc/environment

The -ie has the effect of backing up the file with an e suffix. Was this deliberate?

root@897f04685dc1:/# ls /etc/environment*
/etc/environment  /etc/environmente
root@897f04685dc1:/# diff /etc/environment /etc/environmente
1c1
< PATH="/home/linuxbrew/.linuxbrew/bin:/home/linuxbrew/.linuxbrew/sbin:/snap/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games"
---
> PATH="/snap/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games"

Area for Triage:
Deployments/Release

Question, Bug, or Feature?:
Question

Virtual environments affected

• macOS 10.15
• Ubuntu 16.04 LTS
• Ubuntu 18.04 LTS
• Windows Server 2016 R2
• Windows Server 2019

Expected behavior
Either .bak or no suffix.

Actual behavior
Unexpected file in /etc.

[dsame]

@rbellamy Thanks for your note, the fix is applied in the PR #792 and will be deployed in a week or two

[dsame]

The fix deployed to the production