Add msitools bash completion

Author: elmarco

msitools-completion.sh

@@ -0,0 +1,143 @@
+# msiinfo bash completion
+
+__msiinfo_all_commands ()
+{
+        local i IFS=" "$'\n'
+        for i in $(msiinfo --help | grep "^  [^-]"  | cut -d' ' -f 3)
+        do
+                case $i in
+                *) echo $i;;
+                esac
+        done
+}
+__msiinfo_commands=
+__msiinfo_commands="$(__msiinfo_all_commands 2>/dev/null)"
+
+_msiinfo ()
+{
+    COMPREPLY=()
+
+    in_array()
+    {
+        local i
+        for i in $2; do
+            [[ $i = $1 ]] && return 0
+        done
+        return 1
+    }
+
+    local cur prev
+    # _get_comp_words_by_ref is in bash-completion >= 1.2, which EL-5 lacks.
+    if type _get_comp_words_by_ref &>/dev/null; then
+        _get_comp_words_by_ref cur prev
+    else
+        cur="${COMP_WORDS[COMP_CWORD]}"
+        prev="${COMP_WORDS[COMP_CWORD-1]}"
+    fi
+
+    # parse main options and get command
+
+    local options="--help --version"
+    local command=
+    local command_first=
+    local path=
+
+    local i w
+    for (( i = 0; i < ${#COMP_WORDS[*]} - 1; i++ )); do
+        w="${COMP_WORDS[$i]}"
+        # command
+        if in_array "$w" "$__msiinfo_commands"; then
+            command="$w"
+            command_first=$((i+1))
+            break
+        fi
+    done
+
+    # complete base options
+
+    if [[ -z $command ]]; then
+        if [[ $cur == -* ]]; then
+            COMPREPLY=( $(compgen -W "$options $options_value" -- "$cur") )
+            return 0
+        fi
+
+        case "$prev" in
+            *)
+                COMPREPLY=( $(compgen -W "$__msiinfo_commands" -- "$cur") )
+                ;;
+        esac
+
+        return 0
+    fi
+
+    local after= after_more=
+    case $command in
+        streams|tables|extract|export|suminfo)
+            after="msi"
+            ;;
+    esac
+
+    local all_options="--help $options"
+    local all_options_value=""
+
+    # count non-option parameters
+
+    local i w
+    local last_option=
+    local after_counter=0
+    local after_word=
+    for (( i = $command_first; i < ${#COMP_WORDS[*]} - 1; i++)); do
+        w="${COMP_WORDS[$i]}"
+        if [[ ${w:0:1} = - ]]; then
+            if in_array "$w" "$all_options"; then
+                last_option="$w"
+                continue
+            elif in_array "$w" "$all_options_value"; then
+                last_option="$w"
+                ((i++))
+                continue
+            fi
+        else
+            last_word="$w"
+        fi
+        in_array "$last_option" "$options_arches" || ((after_counter++))
+    done
+
+    local after_options=
+    if [[ $after_counter -eq 0 ]] || [[ $after_more = true ]]; then
+        case $after in
+                msi)    _filedir msi;;
+        esac
+    fi
+    if [[ $after_counter -eq 1 ]]; then
+        case $command in
+            extract)
+                after_options="$(msiinfo streams "$last_word")" ;;
+            export)
+                after_options="$(msiinfo tables "$last_word")" ;;
+        esac
+    fi
+
+    if [[ $cur != -* ]]; then
+        all_options=
+        all_options_value=
+    fi
+
+    COMPREPLY+=( $(compgen -W "$all_options $all_options_value $after_options" -- "$cur" ) )
+
+    return 0
+}
+
+_msibuild ()
+{
+        local cur="${COMP_WORDS[COMP_CWORD]}"
+        case "$cur" in
+        -*)
+                COMPREPLY=( $(compgen -W "-s -q -i -a" -- "$cur" ) )
+                return 0
+                ;;
+        esac
+}
+
+complete -o default -o nospace -F _msiinfo msiinfo
+complete -o default -o nospace -F _msibuild msibuild