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43 lines
1.3 KiB
Fish
43 lines
1.3 KiB
Fish
if not type -q apropos
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function __fish_apropos
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end
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exit
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end
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function __fish_apropos
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# macOS 10.15 "Catalina" has some major issues.
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# The whatis database is non-existent, so apropos tries (and fails) to create it every time,
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# which takes about half a second.
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#
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# Instead, we build a whatis database in the user cache directory
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# and override the MANPATH using that directory before we run `apropos`
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#
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# the cache is rebuilt once a day
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if test (uname) = Darwin
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set -l cache $HOME/.cache/fish/
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if test -n "$XDG_CACHE_HOME"
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set cache $XDG_CACHE_HOME/fish
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end
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set -l db $cache/whatis
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set -l max_age 86400 # one day
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set -l age $max_age
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if test -f "$db"
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# Some people use GNU tools on macOS, and GNU stat works differently.
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# However it's currently guaranteed that the macOS stat is in /usr/bin,
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# so we use that explicitly.
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set age (math (date +%s) - (/usr/bin/stat -f %m $db))
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end
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MANPATH="$cache" apropos $argv
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if test $age -ge $max_age
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mkdir -m 700 -p $cache
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/usr/libexec/makewhatis -o $db (man --path | string split :) >/dev/null 2>&1 </dev/null &
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end
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else
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apropos $argv
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end
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end
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