Update abscissa_core requirement from =0.6.0-beta.1 to =0.6.0-pre.2 in /relayer-cli

[dependabot]

Updates the requirements on abscissa_core to permit the latest version.

Changelog

Sourced from abscissa_core's changelog.

[0.6.0-pre.2] (2021-10-06)

Added

• clap v3 for better help message.

Migrating to Abscissa 0.6.0-pre.2

The Abscissa 0.6.0-pre.2 now uses clap v3 for command-line argument parsing. This is because Clap automatically handles things like version, help subcommands, and flags thereby providing a friendly help screen.

To migrate to the 0.6.0-pre.2 version from other versions, add the 0.6.0-pre.2 version of abscissa_core in your cargo.toml file.

[dev-dependencies]
abscissa_core = "0.6.0-pre.2"
[dependencies.abscissa_core]
version = "0.6.0-pre.2"

Now, replace gumdrop with clapv3 in the dependencies section of your cargo.toml file.

clap = "3.0.0-beta.4"

Clapv3 doesn't support Option, replace Option with Clap in your commands folder and commands.rs file.

• Use Doc comments in commands and subcommands structs for help messages;

/// Command help message
#[derive(Command, Debug, Default, Clap)]
pub struct Command {
  // This is a free command
    #[clap()]
    pub args: Vec<String>,
  // This accepts short and long flags
    #[clap(short, long)]
    pub overwrite: bool,
}

• Create an entry point for your application in the commands.rs file.

/// Entry point for the application. It needs to be a struct to allow using subcommands!
#[derive(Command, Debug, Clap)]
#[clap(author, about, version)]
pub struct EntryPoint {
    #[clap(subcommand)]
    // Replace this with you app name
</tr></table> 

... (truncated)

Commits

• 9abf34d Fix clippy warnings
• 7392b0e tokio: Change main API to abscissa_tokio::run
• afa19f0 core: update tracing-subscriber to 0.2.0
• cfaae65 v0.5.2
• 2d835f3 usage: fix handling of toplevel Options structs
• See full diff in compare view

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[dependabot]

Superseded by #120.