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Rollup merge of #133196 - omnivagant:correct-less-r-flag, r=tgross35

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Make rustc --explain compatible with BusyBox less

busybox less does not support the -r flag and less(1) says:

  USE OF THE -r OPTION IS NOT RECOMMENDED.
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Jacob Pratt 2024-11-20 01:54:26 -05:00 committed by GitHub
commit cd36973a13
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compiler/rustc_driver_impl/src/lib.rs
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@ -577,7 +577,7 @@ fn show_md_content_with_pager(content: &str, color: ColorConfig) {
let mut cmd = Command::new(&pager_name); let mut cmd = Command::new(&pager_name);
// FIXME: find if other pagers accept color options // FIXME: find if other pagers accept color options
let mut print_formatted = if pager_name == "less" { let mut print_formatted = if pager_name == "less" {
cmd.arg("-r"); cmd.arg("-R");
true true
} else { } else {
["bat", "catbat", "delta"].iter().any(|v| *v == pager_name) ["bat", "catbat", "delta"].iter().any(|v| *v == pager_name)