btr 0.2.2

CLI to standardize build, test, and run commands across projects
Documentation 
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use crate::{Cli, cli, constants};
use clap::CommandFactory;

pub const DYNAMIC_SENTINEL_START: &str = "# >>> btr dynamic completion >>>";
pub const DYNAMIC_SENTINEL_END: &str = "# <<< btr dynamic completion <<<";

pub fn render(shell: cli::CompletionShell) -> String {
    let mut buffer: Vec<u8> = Vec::new();
    let clap_shell = match shell {
        cli::CompletionShell::Bash => clap_complete::Shell::Bash,
        cli::CompletionShell::Elvish => clap_complete::Shell::Elvish,
        cli::CompletionShell::Fish => clap_complete::Shell::Fish,
        cli::CompletionShell::PowerShell => clap_complete::Shell::PowerShell,
        cli::CompletionShell::Zsh => clap_complete::Shell::Zsh,
    };
    let mut command = Cli::command();
    clap_complete::generate(
        clap_shell,
        &mut command,
        constants::BINARY_NAME,
        &mut buffer,
    );
    let mut script = String::from_utf8_lossy(&buffer).into_owned();

    match shell {
        cli::CompletionShell::Bash => script.push_str(BASH_DYNAMIC),
        cli::CompletionShell::Zsh => script.push_str(ZSH_DYNAMIC),
        cli::CompletionShell::Fish => script.push_str(FISH_DYNAMIC),
        cli::CompletionShell::PowerShell | cli::CompletionShell::Elvish => {}
    }
    script
}

const BASH_DYNAMIC: &str = r#"
# >>> btr dynamic completion >>>
_btr_dynamic() {
    _btr "$@"
    local cur prev slot=""
    cur="${COMP_WORDS[COMP_CWORD]}"
    prev="${COMP_WORDS[COMP_CWORD-1]}"

    case "$prev" in
        exec|show|explain|parallel) slot="commands" ;;
        --profile) slot="profiles" ;;
        --name) slot="workspace-names" ;;
        --tag) slot="workspace-tags" ;;
    esac

    if [ -z "$slot" ]; then
        local word
        for word in "${COMP_WORDS[@]:0:COMP_CWORD}"; do
            if [ "$word" = "parallel" ]; then
                slot="commands"
                break
            fi
        done
    fi

    if [ -n "$slot" ]; then
        local candidates
        candidates="$(btr complete "$slot" --cwd "$PWD" 2>/dev/null)"
        if [ -n "$candidates" ]; then
            COMPREPLY=( $(compgen -W "${candidates}" -- "${cur}") )
        fi
    fi
}
complete -F _btr_dynamic -o bashdefault -o default btr
# <<< btr dynamic completion <<<
"#;

const ZSH_DYNAMIC: &str = r#"
# >>> btr dynamic completion >>>
_btr_dynamic() {
    _btr "$@"

    local prev slot=""
    local -a candidates
    prev="${words[CURRENT-1]}"

    case "$prev" in
        exec|show|explain|parallel) slot="commands" ;;
        --profile) slot="profiles" ;;
        --name) slot="workspace-names" ;;
        --tag) slot="workspace-tags" ;;
    esac

    if [[ -z "$slot" ]]; then
        local word
        for word in "${words[@]:0:CURRENT-1}"; do
            if [[ "$word" == "parallel" ]]; then
                slot="commands"
                break
            fi
        done
    fi

    if [[ -n "$slot" ]]; then
        candidates=( ${(f)"$(btr complete "$slot" --cwd "$PWD" 2>/dev/null)"} )
        if (( ${#candidates[@]} )); then
            compadd -a candidates
        fi
    fi
}
compdef _btr_dynamic btr
# <<< btr dynamic completion <<<
"#;

const FISH_DYNAMIC: &str = r#"
# >>> btr dynamic completion >>>
complete -c btr -n '__fish_seen_subcommand_from exec show explain' -f -a '(btr complete commands --cwd (pwd) 2>/dev/null)'
complete -c btr -n '__fish_seen_subcommand_from parallel' -f -a '(btr complete commands --cwd (pwd) 2>/dev/null)'
complete -c btr -l profile -f -a '(btr complete profiles --cwd (pwd) 2>/dev/null)'
complete -c btr -n '__fish_seen_subcommand_from workspace' -l name -f -a '(btr complete workspace-names --cwd (pwd) 2>/dev/null)'
complete -c btr -n '__fish_seen_subcommand_from workspace' -l tag -f -a '(btr complete workspace-tags --cwd (pwd) 2>/dev/null)'
# <<< btr dynamic completion <<<
"#;