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ohmyzsh/plugins/alias-finder/alias-finder.plugin.zsh

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alias-finder() {
local cmd=" " exact="" longer="" cheaper="" wordEnd="'{0,1}$" finder="" filter=""
# build command and options
for c in "$@"; do
case $c in
# TODO: Remove backward compatibility (other than zstyle form)
# set options if exist
-e|--exact) exact=true;;
-l|--longer) longer=true;;
-c|--cheaper) cheaper=true;;
# concatenate cmd
*) cmd="$cmd$c " ;;
esac
done
zstyle -t ':omz:plugins:alias-finder' longer && longer=true
zstyle -t ':omz:plugins:alias-finder' exact && exact=true
zstyle -t ':omz:plugins:alias-finder' cheaper && cheaper=true
# format cmd for grep
## - replace newlines with spaces
## - trim both ends
## - replace multiple spaces with one space
## - add escaping character to special characters
cmd=$(echo -n "$cmd" | tr '\n' ' ' | xargs | tr -s '[:space:]' | sed 's/[].\|$(){}?+*^[]/\\&/g')
if [[ $longer == true ]]; then
wordEnd="" # remove wordEnd to find longer aliases
fi
# find with alias and grep, removing last word each time until no more words
while [[ $cmd != "" ]]; do
finder="'{0,1}$cmd$wordEnd"
# make filter to find only shorter results than current cmd
if [[ $cheaper == true ]]; then
cmdLen=$(echo -n "$cmd" | wc -c)
filter="^'{0,1}.{0,$((cmdLen - 1))}="
fi
alias | grep -E "$filter" | grep -E "=$finder"
if [[ $exact == true ]]; then
break # because exact case is only one
elif [[ $longer = true ]]; then
break # because above grep command already found every longer aliases during first cycle
fi
cmd=$(sed -E 's/ {0,}[^ ]*$//' <<< "$cmd") # remove last word
done
}
preexec_alias-finder() {
# TODO: Remove backward compatibility (other than zstyle form)
zstyle -t ':omz:plugins:alias-finder' autoload && alias-finder $1 || if [[ $ZSH_ALIAS_FINDER_AUTOMATIC = true ]]; then
alias-finder $1
fi
}
autoload -U add-zsh-hook
add-zsh-hook preexec preexec_alias-finder