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42 lines
1.3 KiB
Fish
42 lines
1.3 KiB
Fish
#
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# This function is used internally by the fish command completion code
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#
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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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# So we disable this entirely in that case.
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if test (uname) = Darwin
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set -l darwin_version (uname -r | string split .)
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# macOS 15 is Darwin 19, this is an issue up to and including 10.15.3.
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if test "$darwin_version[1]" = 19 -a "$darwin_version[2]" -le 3
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function __fish_describe_command
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end
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# (remember: exit when `source`ing only exits the file, not the shell)
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exit
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end
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end
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# Perform this check once at startup rather than on each invocation
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if not type -q apropos
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function __fish_describe_command
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end
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exit
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end
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function __fish_describe_command -d "Command used to find descriptions for commands"
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# $argv will be inserted directly into the awk regex, so it must be escaped
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set -l argv_regex (string escape --style=regex "$argv")
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apropos $argv 2>/dev/null | awk -v FS=" +- +" '{
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split($1, names, ", ");
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for (name in names)
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if (names[name] ~ /^'"$argv_regex"'.* *\([18]\)/ ) {
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sub( "( |\t)*\\\([18]\\\)", "", names[name] );
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sub( " \\\[.*\\\]", "", names[name] );
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print names[name] "\t" $2;
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}
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}'
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end
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