feat: Improve Shell Integration Setup Process (#1387)

[Cubik65536]

Description

In PR #1298 , some commands are executed automatically when creating a new terminal to let the terminal title change according to the program running. But these commands will be shown to the user during the setup process.

In this PR, I moved the shell integration setup commands into user's shell's source files (~/.zshrc, ~/.profile, etc.) and moved the shell integration check & install into a dedicated function directly in our App (instead of having an shell script), so no commands needs to be executed in user's terminal when it's created.

This is briefly how it works:

1. The user created a terminal
2. A function is called to check if the user have our shell integration installed
3. • If it's installed, nothing happens because our script is already sourced for every terminal running inside CodeEdit.
   • If it's not, add the source command in user's source file. It's done before the real terminal have been created, so the terminal created right after that and every other terminal created later will have the correct script sourced.

This still works for both zsh (with or without ohmyzsh) and bash.

Related Issues

• resolve ✨ Hide terminal title change command while creating new terminal #1387

Checklist

• I read and understood the contributing guide as well as the code of conduct
• The issues this PR addresses are related to each other
• My changes generate no new warnings
• My code builds and runs on my machine
• My changes are all related to the related issue above
• I documented my code

Screenshots

2023-07-20.15-11-59.mp4

[Cubik65536]

P.S.: TERM_PROGRAM was set to CodeEditApp_Terminal because it's used to identify if the shell is running in CodeEdit App, and the scripts added into user's source file will only work when TERM_PROGRAM is CodeEditApp_Terminal to reduce impact on other programs.

[matthijseikelenboom]

I suspect this also removes the annoying 'source' command that gets added to the terminal history?

[Cubik65536]

I suspect this also removes the annoying 'source' command that gets added to the terminal history?

Yes

[bombardier200]

@Cubik65536 can you fix swiftlint errors?

[Cubik65536]

@Cubik65536 can you fix swiftlint errors?

I pushed a fix

[bombardier200]

Good work!