Upgrade all dependencies, get rid of structopt

[breaking change]: This requires Rust 1.60 to install, because of changes to
Cargo's dependency management algorithm changes.

Author: quodlibetor

Cargo.lock

@@ -2,17 +2,17 @@
 name = "git-fixup"
 version = "0.1.8"
 authors = ["Brandon W Maister <[email protected]>"]
-edition = "2018"
+edition = "2021"
+default-run = "git-fixup"
 
 [dependencies]
-anyhow = "1.0"
-clap = { version = "2.33", features = ["wrap_help"] }
-console = "0.11"
-dialoguer = "0.9.0"
-git2 = { version = "0.13.0", default_features = false }
-structopt = "0.3"
+anyhow = "1.0.58"
+clap = { version = "3.2.11", features = ["derive", "env", "wrap_help"] }
+console = "0.15.0"
+dialoguer = "0.10.1"
+git2 = { version = "0.14.4", default_features = false }
 
 [dev-dependencies]
-assert_cmd = "1.0"
-assert_fs = "1.0"
-itertools = "*"
+assert_cmd = "2.0.4"
+assert_fs = "1.0.7"
+itertools = "0.10.3"

Cargo.toml

@@ -1,19 +1,19 @@
-use structopt::StructOpt;
+use clap::Parser;
 
-#[derive(Debug, StructOpt)]
-#[structopt(
+#[derive(Parser, Debug)]
+#[clap(
     about = "Perform a rebase, and pull all the branches that were pointing at commits being rebased",
     max_term_width = 100,
-    setting = structopt::clap::AppSettings::UnifiedHelpMessage,
-    setting = structopt::clap::AppSettings::ColoredHelp,
+    setting = clap::AppSettings::UnifiedHelpMessage,
+    setting = clap::AppSettings::ColoredHelp,
 )]
 struct Args {
     /// The target ref
     onto: String,
 }
 
 fn main() {
-    let args = Args::from_args();
+    let args = Args::parse();
     if let Err(e) = git_fixup::rebase_onto(&args.onto) {
         eprintln!("{:#}", e);
         std::process::exit(1);