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alias: little cleanup

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This commit is contained in:
Aaron Gyes 2022-04-07 09:19:15 -07:00
parent 380c555842
commit 14458682d9
1 changed files with 12 additions and 11 deletions
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23
share/functions/alias.fish
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@ -1,6 +1,6 @@
function alias --description 'Creates a function wrapping a command'
set -l options h/help s/save
argparse -n alias --max-args=2 $options -- $argv
argparse --max-args=2 $options -- $argv
or return
if set -q _flag_help
@ -35,10 +35,10 @@ function alias --description 'Creates a function wrapping a command'
# sanity check
if test -z "$name"
printf ( _ "%s: Name cannot be empty\n") alias >&2
printf ( _ "%s: name cannot be empty\n") alias >&2
return 1
else if test -z "$body"
printf ( _ "%s: Body cannot be empty\n") alias >&2
printf ( _ "%s: body cannot be empty\n") alias >&2
return 1
end
@ -55,17 +55,18 @@ function alias --description 'Creates a function wrapping a command'
else
set prefix command
end
else
# Do not define wrapper completion if we have "alias foo 'foo xyz'" or "alias foo 'sudo foo'"
# This is to prevent completions from recursively calling themselves (#7389).
# The latter will have rare false positives but it's more important to
# prevent recursion for this high-level command.
if test $last_word != $name
set -f wraps --wraps (string escape -- $body)
end
end
set -l cmd_string (string escape -- "alias $argv")
# Do not define wrapper completion if we have "alias foo 'foo xyz'" or "alias foo 'sudo foo'"
# This is to prevent completions from recursively calling themselves (#7389).
# The latter will have rare false positives but it's more important to
# prevent recursion for this high-level command.
set -l wraps
if test $first_word != $name; and test $last_word != $name
set wraps --wraps (string escape -- $body)
end
echo "function $name $wraps --description $cmd_string; $prefix $body \$argv; end" | source
if set -q _flag_save