gitommix/gitommix-completions

#!/bin/bash

function _completions
{
    #1 : command
    #2 : current word
    #3 : previous word
    #COMP_WORDS = array of words typed after the name of the program
    #COMP_CWORD = index pointing to the word the cursor is at
    #COMP_LINE = the current command line
    local cur prev words cword
    # _get_comp_words_by_ref -n : cur
    _init_completion -n :

    local IFS=$' \t\n'
    local OPTIONS
    local PATIENT
    if [[ "$cword" -eq 1 ]];then
        OPTIONS="add list get"
    elif [[ "$cword" -eq 2 ]];then
        local VERB="${words[1]}"
        case $VERB in
            list) OPTIONS="all " ;&
            add) OPTIONS+="patient sample data result diagnosis" ;;
            get) OPTIONS="prov graph timeline last sparql log file object" ;;
        esac
    elif [[ "$cword" -gt 2 ]];then
        local VERB="${words[1]}"
        local OBJECT="${words[2]}"

        if [[ "$COMP_LINE" =~ (-p|--patient)[[:space:]]+([^ ]*) ]];then
            PATIENT="${BASH_REMATCH[2]}"
        fi

        case $VERB in
            add)
                case $OBJECT in
                    diagnosis|result) OPTIONS+="--use " ;&
                    data) OPTIONS+="--revision_of --invalidate " ;&
                    sample) OPTIONS+="--patient " ;&
                    patient) OPTIONS+="--id --method --provider --date --message ";;
                esac

                if [[ $OBJECT == "data" || $OBJECT == "result" ]];then
                    OPTIONS+="--sample $(ls)"
                fi
                ;;
            list)
                if [[ $OBJECT != "patient" ]];then
                    if [[ "$PATIENT" ]];then
                        OPTIONS="$(git ommix list all --patient $PATIENT)"
                    else
                        OPTIONS="--patient "
                    fi
                fi
                ;;
            get)
                if [[ "$PATIENT" ]];then
                    OPTIONS="$(git ommix list all --patient $PATIENT) "
                else
                    OPTIONS="--patient "
                fi
                ;;
        esac

        case "$prev" in
            -p|--patient) OPTIONS="$(git ommix list patient)" ;;
            -s|--sample) OPTIONS="$(git ommix list sample --patient $PATIENT)" ;;
            --use) if [[ "$OBJECT" == "result" ]];then
                       OPTIONS="$(git ommix list data --patient $PATIENT)"
                   elif [[ "$OBJECT" == "diagnosis" ]];then
                       OPTIONS="$(git ommix list result --patient $PATIENT)
$(git ommix list diagnosis --patient $PATIENT)"
                   fi ;;
            --invalidate|--revision_of) OPTIONS="$(git ommix list $OBJECT --patient $PATIENT)" ;;
        esac
    fi

    COMPREPLY=($(compgen -W "$OPTIONS" -- "$cur"))

    __ltrim_colon_completions "$cur"
}

complete -F _completions git-ommix