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/*-
* Copyright (c) 2016 - 2018 Peter Pentchev
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
extern crate getopts;
use std::env;
use std::fs;
use std::io;
use std::io::Write;
use std::os::unix::fs::MetadataExt;
use std::path::Path;
use std::process::Command;
use getopts::Options;
const USAGE_STR: &'static str = "Usage: install-mimic [-v] [-r reffile] srcfile dstfile
install-mimic [-v] [-r reffile] file1 [file2...] directory
install-mimic -V | --version | -h | --help
install-mimic --features
-h display program usage information and exit
-V display program version information and exit
-r specify a reference file to obtain the information from
-v verbose operation; display diagnostic output";
const VERSION_STR: &'static str = "0.4.0";
fn version()
{
println!("install-mimic {}", VERSION_STR);
}
fn usage() -> !
{
panic!("{}", USAGE_STR)
}
fn features()
{
println!("Features: install-mimic={}", VERSION_STR);
}
fn stat_fatal(fname: &str) -> fs::Metadata
{
match fs::metadata(fname) {
Err(e) => panic!("Could not examine {}: {}", fname, e),
Ok(m) => m,
}
}
fn install_mimic(src: &str, dst: &str, refname: &Option<String>, verbose: bool)
{
let filetoref = match *refname {
Some(ref s) => s.clone(),
None => String::from(dst),
};
let stat = stat_fatal(&filetoref);
let uid = stat.uid().to_string();
let gid = stat.gid().to_string();
let mode = format!("{:o}", stat.mode() & 0o7777);
let mut cmd = Command::new("install");
cmd .args(&["-c",
"-o", &uid,
"-g", &gid,
"-m", &mode,
"--", src, dst,
]);
if verbose {
println!("{:?}", cmd);
}
match cmd.status() {
Err(e) => panic!("Could not run install: {}", e),
Ok(m) => match m.success() {
false => panic!("Could not install {} as {}", src, dst),
true => m,
}
};
}
fn main()
{
let args: Vec<String> = env::args().collect();
let mut optargs = Options::new();
optargs.optflag("", "features", "display program features information and exit");
optargs.optflag("h", "help", "display program usage information and exit");
optargs.optopt("r", "", "specify a reference file to obtain the information from", "");
optargs.optflag("V", "version", "display program version information and exit");
optargs.optflag("v", "", "verbose operation; display diagnostic output");
let opts = match optargs.parse(&args[1..]) {
Err(e) => {
writeln!(io::stderr(), "{}", e).unwrap();
usage()
},
Ok(m) => m,
};
if opts.opt_present("V") {
version();
}
if opts.opt_present("h") {
println!("{}", USAGE_STR);
}
if opts.opt_present("features") {
features();
}
if opts.opt_present("h") || opts.opt_present("V") || opts.opt_present("features") {
return;
}
let refname = opts.opt_str("r");
let verbose = opts.opt_present("v");
let lastidx = opts.free.len();
if lastidx < 2 {
usage();
}
let lastidx = lastidx - 1;
let lastarg = &opts.free[lastidx];
let is_dir = match Path::new(lastarg).exists() {
true => stat_fatal(lastarg).is_dir(),
false => match refname {
Some(_) => false,
None => usage(),
},
};
if is_dir {
let dstpath = Path::new(lastarg);
for f in &opts.free[0..lastidx] {
let basename = match Path::new(f).file_name() {
None => panic!("Invalid source filename {}", f),
Some(s) => s,
};
let dstname = match dstpath.join(Path::new(basename)).to_str() {
None => panic!("Could not build a destination path for {} in {}", f, dstpath.display()),
Some(s) => s,
}.to_string();
install_mimic(f, &dstname, &refname, verbose);
}
} else if lastidx != 1 {
usage();
} else {
install_mimic(&opts.free[0], lastarg, &refname, verbose);
}
}
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