Re: [PATCH v5 0/3] Add support for %(contents:size) in ref-filter

> The range diff is:
>
> 1:  f750832fc7 = 1:  f750832fc7 Documentation: clarify %(contents:XXXX) doc
> 2:  51c72e09d2 = 2:  51c72e09d2 t6300: test refs pointing to tree and blob
> 3:  c2ed3e228b ! 3:  cf6a60036e ref-filter: add support for %(contents:size)
>     @@ t/t6300-for-each-ref.sh: test_atom() {
>      +  # Automatically test "contents:size" atom after testing "contents"
>      +  if test "$2" = "contents"
>      +  then
>     -+          case "$1" in
>     -+          refs/tags/signed-*)
>     ++          case $(git cat-file -t "$ref") in
>     ++          tag)
>      +                  # We cannot use $3 as it expects sanitize_pgp to run
>      +                  expect=$(git cat-file tag $ref | tail -n +6 | wc -c) ;;
>     -+          refs/mytrees/* | refs/myblobs/*)
>     ++          tree | blob)
>      +                  expect='' ;;
>     -+          *)
>     ++          commit)
>      +                  expect=$(printf '%s' "$3" | wc -c) ;;
>      +          esac
>      +          # Leave $expect unquoted to lose possible leading whitespaces
>      +          echo $expect >expected
>     -+          test_expect_${4:-success} $PREREQ "basic atom: $1 $2:size" "
>     -+                  git for-each-ref --format='%($2:size)' $ref >actual &&
>     -+                  test_cmp expected actual
>     -+          "
>     ++          test_expect_${4:-sucess} $PREREQ "basic atom: $1 contents:size" '
>     ++                  git for-each-ref --format="%(contents:size)" "$ref" >actual &&
>     ++                  test_cmp expect actual
>     ++          '
>      +  fi
>       }