/etc/bash_completion.d/ri is in bash-completion 1:1.3-1ubuntu8.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 | # ri completion for Ruby documentation by Ian Macdonald <ian@caliban.org>
have ri && {
ri_get_methods()
{
local regex
if [ "$ri_version" = integrated ]; then
if [ -z "$separator" ]; then
regex="(Instance|Class)"
elif [ "$separator" = "#" ]; then
regex=Instance
else
regex=Class
fi
COMPREPLY=( ${COMPREPLY[@]} \
"$( ri ${classes[@]} 2>/dev/null | ruby -ane \
'if /^'"$regex"' methods:/.../^------------------|^$/ and \
/^ / then print $_.split(/, |,$/).grep(/^[^\[]*$/).join("\n"); \
end' | sort -u )" )
else
# older versions of ri didn't distinguish between class/module and
# instance methods
COMPREPLY=( ${COMPREPLY[@]} \
"$( ruby -W0 $ri_path ${classes[@]} | ruby -ane \
'if /^-/.../^-/ and ! /^-/ and ! /^ +(class|module): / then \
print $_.split(/, |,$| +/).grep(/^[^\[]*$/).join("\n"); \
end' | sort -u )" )
fi
COMPREPLY=( $( compgen $prefix -W '${COMPREPLY[@]}' -- $method ) )
}
# needs at least Ruby 1.8.0 in order to use -W0
_ri()
{
local cur class method prefix ri_path ri_version separator IFS
local -a classes
COMPREPLY=()
_get_comp_words_by_ref cur
ri_path=$(type -p ri)
# which version of ri are we using?
# -W0 is required here to stop warnings from older versions of ri
# from being captured when used with Ruby 1.8.1 and later
ri_version="$(ruby -W0 $ri_path -v 2>&1)" || ri_version=integrated
[ "$ri_version" != "${ri_version%200*}" ] && ri_version=integrated
# need to also split on commas
IFS=$', \n\t'
if [[ "$cur" == [A-Z]*[#.]* ]]; then
[[ "$cur" == *#* ]] && separator=# || separator=.
# we're completing on class and method
class=${cur%$separator*}
method=${cur#*$separator}
classes=( $class )
prefix="-P $class$separator"
ri_get_methods
return 0
fi
if [ "$ri_version" = integrated ]; then
# integrated ri from Ruby 1.9
classes=( $( ri -c | ruby -ne 'if /^\s*$/..$stdin.eof then \
if /, [A-Z]+/ then print; end; end' ) )
elif [ "$ri_version" = "ri 1.8a" ]; then
classes=( $( ruby -W0 $ri_path | \
ruby -ne 'if /^'"'"'ri'"'"' has/..$stdin.eof then \
if /^ .*[A-Z]/ then print; end; end' ))
else
classes=( $( ruby -W0 $ri_path | \
ruby -ne 'if /^I have/..$stdin.eof then \
if /^ .*[A-Z]/ then print; end; end' ))
fi
COMPREPLY=( $( compgen -W '${classes[@]}' -- "$cur" ) )
if [[ "$cur" == [A-Z]* ]]; then
# we're completing on class or module alone
return 0
fi
# we're completing on methods
method=$cur
ri_get_methods
}
complete -F _ri ri
}
# Local variables:
# mode: shell-script
# sh-basic-offset: 4
# sh-indent-comment: t
# indent-tabs-mode: nil
# End:
# ex: ts=4 sw=4 et filetype=sh
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