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#[macro_use]
extern crate uucore;
use clap::{App, Arg};
use std::env;
use std::io;
use std::path::{Path, PathBuf};
static ABOUT: &str = "Display the full filename of the current working directory.";
static VERSION: &str = env!("CARGO_PKG_VERSION");
static OPT_LOGICAL: &str = "logical";
static OPT_PHYSICAL: &str = "physical";
pub fn absolute_path(path: &Path) -> io::Result<PathBuf> {
let path_buf = path.canonicalize()?;
#[cfg(windows)]
let path_buf = Path::new(
path_buf
.as_path()
.to_string_lossy()
.trim_start_matches(r"\\?\"),
)
.to_path_buf();
Ok(path_buf)
}
fn get_usage() -> String {
format!("{0} [OPTION]... FILE...", executable!())
}
pub fn uumain(args: impl uucore::Args) -> i32 {
let usage = get_usage();
let matches = App::new(executable!())
.version(VERSION)
.about(ABOUT)
.usage(&usage[..])
.arg(
Arg::with_name(OPT_LOGICAL)
.short("L")
.long(OPT_LOGICAL)
.help("use PWD from environment, even if it contains symlinks"),
)
.arg(
Arg::with_name(OPT_PHYSICAL)
.short("P")
.long(OPT_PHYSICAL)
.help("avoid all symlinks"),
)
.get_matches_from(args);
match env::current_dir() {
Ok(logical_path) => {
if matches.is_present(OPT_LOGICAL) {
println!("{}", logical_path.display());
} else {
match absolute_path(&logical_path) {
Ok(physical_path) => println!("{}", physical_path.display()),
Err(e) => crash!(1, "failed to get absolute path {}", e),
};
}
}
Err(e) => crash!(1, "failed to get current directory {}", e),
};
0
}