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Return early if token is empty in whatis_current_token

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Gokul Soumya 2020-07-12 00:49:37 +05:30 committed by Johannes Altmanninger
parent 5f782cef7d
commit ec0c3f349d
1 changed files with 29 additions and 28 deletions
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57
share/functions/__fish_whatis_current_token.fish
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@ -3,39 +3,40 @@
function __fish_whatis_current_token -d "Show man page entries or function description related to the token under the cursor"
set -l token (commandline -pt)
if test -n "$token"
printf "\n"
set -l desc "$token: nothing appropriate."
test -n "$token"
or return
set -l tokentype (type --type $token 2>/dev/null)
printf "\n"
set -l desc "$token: nothing appropriate."
switch "$tokentype"
case function
set -l funcinfo (functions $token --details --verbose)
set -l tokentype (type --type $token 2>/dev/null)
test $funcinfo[5] != n/a
and set desc "$token - $funcinfo[5]"
switch "$tokentype"
case function
set -l funcinfo (functions $token --details --verbose)
case builtin
set desc (__fish_print_help $token | awk "/./ {print; exit}")
test $funcinfo[5] != n/a
and set desc "$token - $funcinfo[5]"
case file
set -l tmpdesc (whatis $token 2>/dev/null)
and set desc $tmpdesc
end
case builtin
set desc (__fish_print_help $token | awk "/./ {print; exit}")
printf "%s\n" $desc
set -l line_count (count (fish_prompt))
# Ensure line_count is greater than one to accomodate different
# versions of the `seq` command, some of which print the sequence in
# reverse order when the second argument is smaller than the first
if test $line_count -gt 1
for x in (seq 2 $line_count)
printf "\n"
end
end
commandline -f repaint
case file
set -l tmpdesc (whatis $token 2>/dev/null)
and set desc $tmpdesc
end
printf "%s\n" $desc
set -l line_count (count (fish_prompt))
# Ensure line_count is greater than one to accomodate different
# versions of the `seq` command, some of which print the sequence in
# reverse order when the second argument is smaller than the first
if test $line_count -gt 1
for x in (seq 2 $line_count)
printf "\n"
end
end
commandline -f repaint
end