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https://github.com/fish-shell/fish-shell
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ef614ba2d9
Don't unconditionally execute the plumbing to get `rustc -C` completions (use it only when trying to complete `rustc -C`), filter out deprecated options, and use fewer calls to the `string` builtin to optimize further. Need to do the same thing for the `-Z` completions next, those hang the shell for a good 1.5+ seconds.
63 lines
3.1 KiB
Fish
63 lines
3.1 KiB
Fish
complete -c rustc -s h -l help
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complete -c rustc -x -l cfg
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complete -c rustc -x -l check-cfg -d "Provide list of expected cfgs for checking"
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complete -c rustc -r -s L -a 'dependency= crate= native= framework= all='
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complete -c rustc -x -s l -a 'dylib= static= framework='
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complete -c rustc -x -l crate-type -a 'bin lib rlib dylib cdylib staticlib proc-macro'
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complete -c rustc -r -l crate-name
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complete -c rustc -x -l edition -a '2015 2018 2021' -d "Specify compiler edition"
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complete -c rustc -x -l emit -a 'asm llvm-bc llvm-ir obj link dep-info metadata mir'
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set -l rustc_print_infos \
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crate-name file-names sysroot target-libdir cfg calling-conventions \
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target-list target-cpus target-features relocation-models code-models \
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tls-models target-spec-json all-target-specs-json native-static-libs \
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stack-protector-strategies link-args deployment-target
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complete -c rustc -x -l print -a "$rustc_print_infos" -d "Print compiler information"
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complete -c rustc -s g -d "Equivalent to -C debuginfo=2"
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complete -c rustc -s O -d "Equivalent to -C opt-level=2"
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complete -c rustc -r -s o -d "Write output to <filename>"
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complete -c rustc -r -l out-dir
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complete -c rustc -x -l explain
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complete -c rustc -l test
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complete -c rustc -l target
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complete -c rustc -x -l cap-lints
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complete -c rustc -s V -l version -d 'Print version info and exit'
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complete -c rustc -s v -l verbose -d 'Use verbose output'
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complete -c rustc -f -l extern
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complete -c rustc -f -l sysroot
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complete -c rustc -x -l color -a 'auto always never'
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complete -c rustc -s C -l codegen -xa "(rustc -C help 2>/dev/null | string match -rv 'option is deprecated' | string replace -rf -i '(\s+)-C\s*(.+)=val(\s+)--(\s+)([^\n]+)' '\$2='\t'\$5')"
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# rustc -Z is only available with the nightly toolchain, which may not be installed
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if rustc +nightly >/dev/null 2>&1
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set -l rust_docs (rustc +nightly -Z help 2>/dev/null \
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| string replace -r -i '(\s+)-Z(.+)--(\s+)([^\n]+)' '$2 $4' \
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| string trim \
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| string match -r '^.*[^:]$')
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for line in $rust_docs
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set -l docs (string split -m 1 ' ' -- $line)
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set -l flag (string replace -r '^([a-z\-]+\=|[a-z\-]+)(.*)' '$1' \
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$docs[1])
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complete -c rustc -x -s Z -a (string escape -- "$flag") -d "$docs[2]"
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end
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end
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set -l rust_docs (rustc -W help 2>/dev/null \
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| string match -r \
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'(?:\s+)(?:.+)(?:\s+)(?:allow|warn|deny|forbid)(?:\s+){2}(?:[^\n]+)' \
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| string replace -r -i \
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'(\s+)(.+)(\s+)(allow|warn|deny|forbid)(\s+){2}([^\n]+)' '$2 $6' \
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| string match -r '^.*[^:]$' \
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| string match -r -v '^(allow|warn|deny|forbid)$' \
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| string match -r -v '^([a-z\-]+)(\s+)(allow|warn|deny|forbid)')
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for line in $rust_docs
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set -l docs (string split -m 1 ' ' -- $line)
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complete -c rustc -x -s W -l warn -a (string escape -- "$docs[1]") -d "$docs[2]"
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complete -c rustc -x -s A -l allow -a (string escape -- "$docs[1]") -d "$docs[2]"
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complete -c rustc -x -s D -l deny -a (string escape -- "$docs[1]") -d "$docs[2]"
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complete -c rustc -x -s F -l forbid -a (string escape -- "$docs[1]") -d "$docs[2]"
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end
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