Auto merge of #55051 - matthiaskrgr:dist_msg, r=Mark-Simulacrum
boostrap: dist: if a file cannot be installed because it does not exist, print its name in the error message.
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b1bdf04c97
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@ -1288,6 +1288,9 @@ impl Build {
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t!(fs::create_dir_all(dstdir));
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drop(fs::remove_file(&dst));
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{
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if !src.exists() {
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panic!("Error: File \"{}\" not found!", src.display());
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}
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let mut s = t!(fs::File::open(&src));
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let mut d = t!(fs::File::create(&dst));
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io::copy(&mut s, &mut d).expect("failed to copy");
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