Solaris test failure for git-1.5.4.4 -- t0021-conversion.sh

Git Version: git-1.5.4.4

xs5-trd-p1.grn:warmstro> uname -a SunOS xs5-trd-p1.grn.tudor.com 5.9 Generic_118558-38 sun4u sparc SUNW,Sun-Fire-V240

looks like most errors below are related to tr.  The tr I'm using is in xpg4.

xs5-trd-p1.grn:warmstro> which tr /usr/xpg4/bin/tr

xs5-trd-p1.grn:warmstro> sh t0021-conversion.sh -i -v
* expecting success:
        git config filter.rot13.smudge ./rot13.sh &&
        git config filter.rot13.clean ./rot13.sh &&

        {
            echo "*.t filter=rot13"
            echo "*.i ident"
        } >.gitattributes &&

        {
            echo a b c d e f g h i j k l m
            echo n o p q r s t u v w x y z
            echo '$Id$'
        } >test &&
        cat test >test.t &&
        cat test >test.o &&
        cat test >test.i &&
        git add test test.t test.i &&
        rm -f test test.t test.i &&
        git checkout -- test test.t test.i

tr: Bad string.
error: external filter ./rot13.sh failed 1
error: waitpid (async) failed
error: external filter ./rot13.sh failed
tr: Bad string.
error: external filter ./rot13.sh failed 1
error: waitpid (async) failed
error: external filter ./rot13.sh failed
tr: Bad string.
error: external filter ./rot13.sh failed 1
error: waitpid (async) failed
error: external filter ./rot13.sh failed
*   ok 1: setup

* expecting success:

        cmp test.o test &&
        cmp test.o test.t &&

        # ident should be stripped in the repository
        git diff --raw --exit-code :test :test.i &&
        id=$(git rev-parse --verify :test) &&
        embedded=$(sed -ne "$script" test.i) &&
        test "z$id" = "z$embedded" &&

        git cat-file blob :test.t > test.r &&

        ./rot13.sh < test.o > test.t &&
        cmp test.r test.t

tr: Bad string.
* FAIL 2: check

                cmp test.o test &&
                cmp test.o test.t &&

                # ident should be stripped in the repository
                git diff --raw --exit-code :test :test.i &&
                id=$(git rev-parse --verify :test) &&
                embedded=$(sed -ne "$script" test.i) &&
                test "z$id" = "z$embedded" &&

                git cat-file blob :test.t > test.r &&

                ./rot13.sh < test.o > test.t &&
                cmp test.r test.t

xs5-trd-p1.grn:warmstro>