mergetools / meldon commit mergetools: simplify how we handle "vim" and "defaults" (073678b)
   1diff_cmd () {
   2        "$merge_tool_path" "$LOCAL" "$REMOTE"
   3}
   4
   5merge_cmd () {
   6        if test -z "${meld_has_output_option:+set}"
   7        then
   8                check_meld_for_output_version
   9        fi
  10        touch "$BACKUP"
  11        if test "$meld_has_output_option" = true
  12        then
  13                "$merge_tool_path" --output "$MERGED" \
  14                        "$LOCAL" "$BASE" "$REMOTE"
  15        else
  16                "$merge_tool_path" "$LOCAL" "$MERGED" "$REMOTE"
  17        fi
  18        check_unchanged
  19}
  20
  21# Check whether 'meld --output <file>' is supported
  22check_meld_for_output_version () {
  23        meld_path="$(git config mergetool.meld.path)"
  24        meld_path="${meld_path:-meld}"
  25
  26        if "$meld_path" --help 2>&1 | grep -e --output >/dev/null
  27        then
  28                meld_has_output_option=true
  29        else
  30                meld_has_output_option=false
  31        fi
  32}