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Improve bash completion support (#24692)
Following https://github.com/nim-lang/nimble/pull/1347, this patch adds bash completion support for `nim`, `nimgrep`, `nimpretty`, `nimsuggest`.
This commit is contained in:
Michael Lee
291
tools/nimsuggest.bash-completion
Normal file
291
tools/nimsuggest.bash-completion
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@@ -0,0 +1,291 @@
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# bash completion for nimsuggest -*- shell-script -*-
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__is_short_or_long()
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{
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local actual short long
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actual="$1"
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short="$2"
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long="$3"
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[[ ! -z $short && $actual == $short ]] && return 0
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[[ ! -z $long && $actual == $long ]] && return 0
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return 1
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}
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__ask_for_subcmd_or_subopts()
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{
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local args cmd subcmd words sub_words word_first word_last word_lastlast
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local len ilast ilastlast i ele sub_len n_nopts
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args=("$@")
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ask_for_what="${args[0]}"
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cmd="${args[1]}"
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subcmd="${args[2]}"
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ilast="${args[3]}"
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words=("${args[@]:4}")
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len=${#words[@]}
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ilastlast=$((ilast - 1))
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sub_words=("${words[@]:0:ilast}")
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sub_len=${#sub_words[@]}
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word_first=${words[0]}
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word_last=${words[ilast]}
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word_lastlast=${words[ilastlast]}
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n_nopts=0
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# printf "\n[DBUG] word_first:${word_first}|ilast:${ilast}|words(${len}):${words[*]}|sub_words(${sub_len}):${sub_words[*]}\n"
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if [[ $word_first != $cmd ]]
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then
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return 1
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fi
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i=0
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while [[ $i -lt $len ]]
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do
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ele=${words[i]}
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if [[ ! $ele =~ ^- ]]
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then
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if [[ $ele == $cmd || $ele == $subcmd ]]
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then
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((n_nopts+=1))
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elif [[ $i -eq $ilast && $ele =~ ^[a-zA-Z] ]]
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then
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((i=i))
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elif [[ -z $ele ]]
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then
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((i=i))
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elif [[ $ele =~ ^: ]]
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then
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((i+=1))
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else
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return 1
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fi
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fi
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((i+=1))
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done
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case $ask_for_what in
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1)
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if [[ n_nopts -eq 1 ]]
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then
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if [[ -z $word_last || $word_last =~ ^[a-zA-Z] ]] && [[ $word_lastlast != : ]]
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then
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return 0
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fi
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fi
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;;
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2)
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if [[ n_nopts -eq 2 ]]
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then
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if [[ -z $word_last ]] || [[ $word_last =~ ^[-:] ]]
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then
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return 0
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fi
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fi
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esac
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return 1
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}
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__ask_for_subcmd()
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{
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__ask_for_subcmd_or_subopts 1 "$@"
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}
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__ask_for_subcmd_opts()
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{
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__ask_for_subcmd_or_subopts 2 "$@"
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}
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_nimsuggest()
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{
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local curr prev prevprev words
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local i_curr n_words i_prev i_prevprev
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COMPREPLY=()
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i_curr=$COMP_CWORD
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n_words=$((i_curr+1))
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i_prev=$((i_curr-1))
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i_prevprev=$((i_curr-2))
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curr="${COMP_WORDS[i_curr]}"
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prev="${COMP_WORDS[i_prev]}"
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prevprev="${COMP_WORDS[i_prevprev]}"
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words=("${COMP_WORDS[@]:0:n_words}")
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local subcmds opts candids
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# printf "\n[DBUG] curr:$curr|prev:$prev|words(${#words[*]}):${words[*]}\n"
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# Asking for a subcommand
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if false && __ask_for_subcmd nimsuggest nimsuggest $i_curr "${words[@]}"
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then
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subcmds=""
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return 0
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fi
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# Prioritize subcmd over opt
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if false
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then
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return 124
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elif false && __ask_for_subcmd_opts nimsuggest compileToC $i_curr "${words[@]}"
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then
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opts=() \
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&& candids=()
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else
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opts=() \
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&& candids=()
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opts+=("" "--autobind" "") \
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&& candids+=(${opts[$((${#opts[@]}-3))]} ${opts[$((${#opts[@]}-2))]})
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opts+=("" "--port" "PORT") \
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&& candids+=(${opts[$((${#opts[@]}-3))]} ${opts[$((${#opts[@]}-2))]})
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opts+=("" "--address" "HOST") \
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&& candids+=(${opts[$((${#opts[@]}-3))]} ${opts[$((${#opts[@]}-2))]})
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opts+=("" "--stdin" "") \
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&& candids+=(${opts[$((${#opts[@]}-3))]} ${opts[$((${#opts[@]}-2))]})
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opts+=("" "--clientProcessId" "PID") \
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&& candids+=(${opts[$((${#opts[@]}-3))]} ${opts[$((${#opts[@]}-2))]})
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opts+=("" "--epc" "") \
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&& candids+=(${opts[$((${#opts[@]}-3))]} ${opts[$((${#opts[@]}-2))]})
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opts+=("" "--debug" "") \
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&& candids+=(${opts[$((${#opts[@]}-3))]} ${opts[$((${#opts[@]}-2))]})
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opts+=("" "--log" "") \
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&& candids+=(${opts[$((${#opts[@]}-3))]} ${opts[$((${#opts[@]}-2))]})
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opts+=("" "--v1" "") \
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&& candids+=(${opts[$((${#opts[@]}-3))]} ${opts[$((${#opts[@]}-2))]})
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opts+=("" "--v2" "") \
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&& candids+=(${opts[$((${#opts[@]}-3))]} ${opts[$((${#opts[@]}-2))]})
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opts+=("" "--v3" "") \
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&& candids+=(${opts[$((${#opts[@]}-3))]} ${opts[$((${#opts[@]}-2))]})
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opts+=("" "--v4" "") \
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&& candids+=(${opts[$((${#opts[@]}-3))]} ${opts[$((${#opts[@]}-2))]})
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opts+=("" "--info" "nimVer protocolVer capabilities") \
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&& candids+=(${opts[$((${#opts[@]}-3))]} ${opts[$((${#opts[@]}-2))]})
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opts+=("" "--refresh" "") \
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&& candids+=(${opts[$((${#opts[@]}-3))]} ${opts[$((${#opts[@]}-2))]})
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opts+=("" "--maxresults" "N") \
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&& candids+=(${opts[$((${#opts[@]}-3))]} ${opts[$((${#opts[@]}-2))]})
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opts+=("" "--tester" "") \
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&& candids+=(${opts[$((${#opts[@]}-3))]} ${opts[$((${#opts[@]}-2))]})
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opts+=("" "--find" "") \
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&& candids+=(${opts[$((${#opts[@]}-3))]} ${opts[$((${#opts[@]}-2))]})
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opts+=("" "--exceptionInlayHints" "on off") \
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&& candids+=(${opts[$((${#opts[@]}-3))]} ${opts[$((${#opts[@]}-2))]})
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opts+=("" "--help" "") \
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&& candids+=(${opts[$((${#opts[@]}-3))]} ${opts[$((${#opts[@]}-2))]})
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fi
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local c_short c_long c_accvals
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local len i idx0 idx1 idx2
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case $curr in
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# Asking for accepted optvalues, e.g., `out:`
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:)
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len=${#opts[@]}
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i=0
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while [[ $i -lt $len ]]
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do
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idx0=$((i / 3 * 3))
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idx1=$((idx0 + 1))
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idx2=$((idx1 + 1))
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c_short=${opts[idx0]}
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c_long=${opts[idx1]}
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c_accvals=${opts[idx2]}
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(false \
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|| __is_short_or_long $prev ${c_short} ${c_long} \
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|| false) \
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&& COMPREPLY=( $(compgen -W "${c_accvals}" --) ) \
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&& return 0
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((i+=3))
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done
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return 124
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;;
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*)
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# When in a incomplete opt value, e.g., `--check:of`
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if [[ $prev == : ]]
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then
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len=${#opts[@]}
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i=0
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while [[ $i -lt $len ]]
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do
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idx0=$((i / 3 * 3))
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idx1=$((idx0 + 1))
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idx2=$((idx1 + 1))
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c_short=${opts[idx0]}
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c_long=${opts[idx1]}
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c_accvals=${opts[idx2]}
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(false \
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|| __is_short_or_long $prevprev ${c_short} ${c_long} \
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|| false) \
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&& COMPREPLY=( $(compgen -W "${c_accvals}" -- ${curr}) ) \
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&& return 0
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((i+=3))
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done
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return 124
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fi
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# When in a complete optname, might need optvalue, e.g., `--check`
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if [[ $curr =~ ^--?[:()a-zA-Z]+$ ]]
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then
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len=${#opts[@]}
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i=0
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while [[ $i -lt $len ]]
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do
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idx0=$(((i / 3 * 3)))
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idx1=$((idx0 + 1))
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idx2=$((idx1 + 1))
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c_short=${opts[idx0]}
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c_long=${opts[idx1]}
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c_accvals=${opts[idx2]}
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if __is_short_or_long $curr ${c_short} ${c_long}
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then
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if [[ ! -z $c_accvals ]]
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then
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COMPREPLY=( $(compgen -W "${curr}:" -- ${curr}) ) \
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&& compopt -o nospace \
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&& return 0
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else
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COMPREPLY=( $(compgen -W "${curr}" -- ${curr}) ) \
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&& return 0
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fi
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fi
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((i+=3))
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done # while
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if true
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then
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COMPREPLY=( $(compgen -W "${candids[*]}" -- "$curr") )
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compopt -o nospace
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return 0
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fi
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# When in an incomplete optname, e.g., `--chec`
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elif [[ $curr =~ ^--?[^:]* ]]
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then
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if true
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then
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COMPREPLY=( $(compgen -W "${candids[*]}" -- "$curr") )
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compopt -o nospace
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return 0
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fi
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fi
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if true
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then
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compopt -o filenames
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COMPREPLY=( $(compgen -f -- "$curr") )
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compopt -o nospace
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return 0
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fi
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;;
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esac
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return 0
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} &&
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complete -F _nimsuggest nimsuggest
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# ex: filetype=sh
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