sd/build.rs
2019-12-09 13:59:48 -05:00

90 lines
2.8 KiB
Rust

include!("src/app.rs");
fn main() {
use std::{env::var, fs, str::FromStr};
use structopt::clap::Shell;
let mut app = Options::clap();
let out_dir = var("SHELL_COMPLETIONS_DIR").or(var("OUT_DIR")).unwrap();
fs::create_dir_all(&out_dir).unwrap();
Shell::variants().iter().for_each(|shell| {
app.gen_completions("sd", Shell::from_str(shell).unwrap(), &out_dir);
});
create_man_page();
}
fn create_man_page() {
use man::prelude::*;
let page = Manual::new("sd")
.flag(
Flag::new()
.short("-p")
.long("--preview")
.help("Emit the replacement to STDOUT"),
)
.flag(
Flag::new()
.short("-s")
.long("--string-mode")
.help("Treat expressions as non-regex strings."),
)
.flag(Flag::new().short("-f").long("--flags").help(
r#"Treat expressions as non-regex strings.
/** Regex flags. May be combined (like `-f mc`).
c - case-sensitive
i - case-insensitive
m - multi-line matching
w - match full words only
"#,
))
.arg(Arg::new("find"))
.arg(Arg::new("replace_with"))
.arg(Arg::new("[FILES]"))
.example(
Example::new()
.text("String-literal mode")
.command(
"echo 'lots((([]))) of special chars' | sd -s '((([])))' \
''",
)
.output("lots of special chars"),
)
.example(
Example::new()
.text("Regex use. Let's trim some trailing whitespace")
.command("echo 'lorem ipsum 23 ' | sd '\\s+$' ''")
.output("lorem ipsum 23"),
)
.example(
Example::new()
.text("Indexed capture groups")
.command(r#"echo 'cargo +nightly watch' | sd '(\w+)\s+\+(\w+)\s+(\w+)' 'cmd: $1, channel: $2, subcmd: $3'"#)
.output("cmd: cargo, channel: nightly, subcmd: watch")
)
.example(
Example::new()
.text("Named capture groups")
.command(r#"echo "123.45" | sd '(?P<dollars>\d+)\.(?P<cents>\d+)' '$dollars dollars and $cents cents'"#)
.output("123 dollars and 45 cents")
)
.example(
Example::new()
.text("Find & replace in file")
.command(r#"sd 'window.fetch' 'fetch' http.js"#)
)
.example(
Example::new()
.text("Find & replace from STDIN an emit to STDOUT")
.command(r#"sd 'window.fetch' 'fetch' < http.js"#)
)
.render();
let mut man_path =
std::path::PathBuf::from(std::env::var("OUT_DIR").unwrap());
man_path.push("sd.1");
std::fs::write(man_path, page).expect("Error writing man page");
}