Test: Standard shell integration protocol support

[Tyriar]

Refs: #146587

• linux @dbaeumer
• macOS @tanhakabir

Complexity: 3
Roles: Developer, Engineering Manager
Authors: @Tyriar, @meganrogge

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The terminal now supports a degraded shell integration experience where the more standard shell integration protocol used by other terminal is only possible. This was done primarily to support powerlevel10k. To test:

• Install zsh
• Install oh-my-zsh
• Install and configure powerlevel10k
• Add the following to your .zshrc before .p10k.zsh is sourced:

  ITERM_SHELL_INTEGRATION_INSTALLED=Yes

• Shell integration's extracting command positions should now work but not the actual commands. This means command navigation (ctrl/cmd+up/down) should work but not rerunning the command via the command decoration for example.

[felipecrs]

I would correct the snippet to:

if [[ "$TERM_PROGRAM" == "vscode" ]]; then
  ITERM_SHELL_INTEGRATION_INSTALLED="Yes"
fi

[Tyriar]

@felipecrs that's a bit of a hack though, p10k should do this automatically soon. By all means use that in the meantime though.

[felipecrs]

Sure. Thank you. I also found several issues with the manual installation procedure (although I realized that it's not required for P10k with this workaround). I shall send a PR to the docs soon to iron it out.

[Tyriar]

@felipecrs any insights about manual installation would be great, FYI it should be greatly improved soon so depending on what it is you may be better off commenting on #153921 rather than doing a PR.