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