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Add completions for rustup doc

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[As of rustup 1.20][1], users can give a topic as an argument to `rustup
doc` to open the relevant documentation page in a browser. This commit
adds completions for these topics to assist users in finding what
they're looking for.

[1]: https://blog.rust-lang.org/2019/10/15/Rustup-1.20.0.html#improvements-to-rustup-doc
This commit is contained in:
Collin Styles 2019-10-19 14:34:07 -07:00 committed by Fabian Homborg
parent 35115d3d54
commit 422e2dcbdd
1 changed files with 32 additions and 0 deletions
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share/completions/rustup.fish
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@ -264,3 +264,35 @@ complete -c rustup -n "__fish_seen_subcommand_from set; and __fish_prev_arg_in p
# Global argument completions where valid
complete -c rustup -n "__fish_prev_arg_in --toolchain" -xa "$__rustup_toolchains_short $__rustup_toolchains"
complete -f -c rustup -n '__fish_seen_subcommand_from doc' -a '(__fish_rustup_docs_primitives)'
complete -f -c rustup -n '__fish_seen_subcommand_from doc' -a '(__fish_rustup_docs_keywords)'
complete -f -c rustup -n '__fish_seen_subcommand_from doc' -a '(__fish_rustup_docs_macros)'
complete -f -c rustup -n '__fish_seen_subcommand_from doc' -a '(__fish_rustup_docs_modules)'
function __fish_rustup_docs_modules
set -l doc_path (__rustup_doc_path)
command find "$doc_path"/{std,core,alloc} -name index.html \
| string replace --regex "$doc_path/(.+)/index\.html" '$1\tModule' \
| string replace --all / ::
end
function __fish_rustup_docs_keywords
set -l doc_path (__rustup_doc_path)
string replace --regex "$doc_path/std/keyword\.(.+)\.html" '$1\tKeyword' "$doc_path"/std/keyword.*.html
end
function __fish_rustup_docs_primitives
set -l doc_path (__rustup_doc_path)
string replace --regex "$doc_path/std/primitive\.(.+)\.html" '$1\tPrimitive' "$doc_path"/std/primitive.*.html
end
function __fish_rustup_docs_macros
set -l doc_path (__rustup_doc_path)
string replace --regex "$doc_path/" '' "$doc_path"/{std,core,alloc}/macro.*.html \
| string replace --regex 'macro\.(.+)\.html' '$1\tMacro' \
| string replace --all / ::
end
function __rustup_doc_path
rustup doc --path | string replace --regex '/[^/]*$' ''
end