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https://github.com/fish-shell/fish-shell
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092307d4c0
Using `__fish_whatis` based on a heuristic to make sure completions are timely available.
30 lines
1.4 KiB
Fish
30 lines
1.4 KiB
Fish
# Completions for the FreeBSD `kldload` kernel module load utility
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function __fish_list_kldload_options
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set -l klds (__fish_complete_suffix /boot/kernel/(commandline -ct) ".ko" | string replace -r '.*/(.+)\\.ko' '$1');
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# Completing available klds is fast, but completing it with a call to __fish_whatis
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# is decidedly not. With 846 modules (FreeBSD 11.1), fish --profile 'complete -C"kldload "' returns the following:
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# 10671 11892698 > complete -C"kldload "
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# A 12 second completion delay is obviously out of the question, so don't provide a description unless there are
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# fewer than 50 results.
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# Additionally, we can halve the time by not shelling out to `whatis` if we know the man file for the kernel module
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# in question does not exist, since the paths are hardcoded.
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set -l kld_count (count $klds)
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if test $kld_count -le 50 -a $kld_count -gt 0
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# print name and description
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for kld in $klds
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printf '%s\t%s\n' $kld (test -e /usr/share/man/man4/$kld.4.gz;
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and __fish_whatis $kld; or echo "kernel module")
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end
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else if test $kld_count -gt 0
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# print name only
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printf '%s\n' $klds
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else
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# print name only (description won't exist since the kernel module isn't installed)
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__fish_complete_suffix .ko
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end
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end
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# Only attempt to match a local file if there isn't a match in /boot/kernel,
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# as odds are that is the desired source.
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complete -c kldload -xa '(__fish_list_kldload_options)'
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