Add color and wrapping to cli help text (#3849)

Cargo.lock

@@ -805,6 +805,7 @@ dependencies = [
  "anstyle",
  "clap_lex",
  "strsim",
+ "terminal_size",
 ]
 
 [[package]]
@@ -2104,6 +2105,12 @@ version = "0.4.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d26c52dbd32dccf2d10cac7725f8eae5296885fb5703b261f7d0a0739ec807ab"
 
+[[package]]
+name = "linux-raw-sys"
+version = "0.9.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cd945864f07fe9f5371a27ad7b52a172b4b499999f1d97574c9fa68373937e12"
+
 [[package]]
 name = "litemap"
 version = "0.7.4"
@@ -3013,6 +3020,19 @@ dependencies = [
  "windows-sys 0.59.0",
 ]
 
+[[package]]
+name = "rustix"
+version = "1.0.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d97817398dd4bb2e6da002002db259209759911da105da92bec29ccb12cf58bf"
+dependencies = [
+ "bitflags 2.7.0",
+ "errno",
+ "libc",
+ "linux-raw-sys 0.9.4",
+ "windows-sys 0.52.0",
+]
+
 [[package]]
 name = "rustls"
 version = "0.23.21"
@@ -3986,6 +4006,16 @@ dependencies = [
  "winapi-util",
 ]
 
+[[package]]
+name = "terminal_size"
+version = "0.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "45c6481c4829e4cc63825e62c49186a34538b7b2750b73b266581ffb612fb5ed"
+dependencies = [
+ "rustix 1.0.5",
+ "windows-sys 0.59.0",
+]
+
 [[package]]
 name = "termtree"
 version = "0.5.1"

sqlx-cli/Cargo.toml

@@ -33,7 +33,7 @@ sqlx = { workspace = true, default-features = false, features = [
     "any",
 ] }
 futures = "0.3.19"
-clap = { version = "4.3.10", features = ["derive", "env"] }
+clap = { version = "4.3.10", features = ["derive", "env", "wrap_help"] }
 clap_complete = { version = "4.3.1", optional = true }
 chrono = { version = "0.4.19", default-features = false, features = ["clock"] }
 anyhow = "1.0.52"

sqlx-cli/src/opt.rs

@@ -1,11 +1,20 @@
 use std::ops::{Deref, Not};
 
-use clap::{Args, Parser};
+use clap::{
+    builder::{styling::AnsiColor, Styles},
+    Args, Parser,
+};
 #[cfg(feature = "completions")]
 use clap_complete::Shell;
 
+const HELP_STYLES: Styles = Styles::styled()
+    .header(AnsiColor::Blue.on_default().bold())
+    .usage(AnsiColor::Blue.on_default().bold())
+    .literal(AnsiColor::White.on_default())
+    .placeholder(AnsiColor::Green.on_default());
+
 #[derive(Parser, Debug)]
-#[clap(version, about, author)]
+#[clap(version, about, author, styles = HELP_STYLES)]
 pub struct Opt {
     // https://github.com/launchbadge/sqlx/pull/3724 placed this here,
     // but the intuitive place would be in the arguments for each subcommand.