Install script should abort on network failure

[MeinAccount]

[REQUIRED] Environment info

Platform: Ubuntu 20.04

[REQUIRED] Test case

Running the install script on a mobile network. When the curl failed, the install script continued and asked for the sudo password. After rejecting the sudo-promt (Ctrl+C) the script also continued.

> curl -sL https://firebase.tools | bash
-- Checking for existing firebase-tools...
-- Checking your machine type...
-- Downloading binary from https://firebase.tools/bin/linux/latest
######################################################################## 100.0%##O=#  #                          
##################################                                        47.7%curl: (18) transfer closed with 126580227 bytes remaining to read

[sudo] password for ******: 
[sudo] password for ******: 
-- Setting permissions on binary... /usr/local/bin/firebase
[sudo] password for ******: 
bash: line 279: /usr/local/bin/firebase: No such file or directory
Something went wrong, firebase has not been installed.
Please file a bug with your system information on Github.
https://github.com/firebase/firebase-tools/
-- All done!

[REQUIRED] Expected behavior

The script should abort on errors

[REQUIRED] Actual behavior

The script continues through all errors

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