diff --git a/t/t0030-stripspace.sh b/t/t0030-stripspace.sh
new file mode 100755
index 00000000000..f4294d72d92
--- /dev/null
+++ b/t/t0030-stripspace.sh
@@ -0,0 +1,355 @@
+#!/bin/sh
+#
+# Copyright (c) 2007 Carlos Rica
+#
+
+test_description='git-stripspace'
+
+. ./test-lib.sh
+
+t40='A quick brown fox jumps over the lazy do'
+s40='                                        '
+sss="$s40$s40$s40$s40$s40$s40$s40$s40$s40$s40" # 400
+ttt="$t40$t40$t40$t40$t40$t40$t40$t40$t40$t40" # 400
+
+test_expect_success \
+    'long lines without spaces should be unchanged' '
+    echo "$ttt" >expect &&
+    git-stripspace <expect >actual &&
+    git diff expect actual &&
+
+    echo "$ttt$ttt" >expect &&
+    git-stripspace <expect >actual &&
+    git diff expect actual &&
+
+    echo "$ttt$ttt$ttt" >expect &&
+    git-stripspace <expect >actual &&
+    git diff expect actual &&
+
+    echo "$ttt$ttt$ttt$ttt" >expect &&
+    git-stripspace <expect >actual &&
+    git diff expect actual
+'
+
+test_expect_success \
+    'lines with spaces at the beginning should be unchanged' '
+    echo "$sss$ttt" >expect &&
+    git-stripspace <expect >actual &&
+    git diff expect actual &&
+
+    echo "$sss$sss$ttt" >expect &&
+    git-stripspace <expect >actual &&
+    git diff expect actual &&
+
+    echo "$sss$sss$sss$ttt" >expect &&
+    git-stripspace <expect >actual &&
+    git diff expect actual
+'
+
+test_expect_success \
+    'lines with intermediate spaces should be unchanged' '
+    echo "$ttt$sss$ttt" >expect &&
+    git-stripspace <expect >actual &&
+    git diff expect actual &&
+
+    echo "$ttt$sss$sss$ttt" >expect &&
+    git-stripspace <expect >actual &&
+    git diff expect actual
+'
+
+test_expect_success \
+    'consecutive blank lines should be unified' '
+    printf "$ttt\n\n$ttt\n" > expect &&
+    printf "$ttt\n\n\n\n\n$ttt\n" | git-stripspace >actual &&
+    git diff expect actual &&
+
+    printf "$ttt$ttt\n\n$ttt\n" > expect &&
+    printf "$ttt$ttt\n\n\n\n\n$ttt\n" | git-stripspace >actual &&
+    git diff expect actual &&
+
+    printf "$ttt$ttt$ttt\n\n$ttt\n" > expect &&
+    printf "$ttt$ttt$ttt\n\n\n\n\n$ttt\n" | git-stripspace >actual &&
+    git diff expect actual &&
+
+    printf "$ttt\n\n$ttt\n" > expect &&
+    printf "$ttt\n\n\n\n\n$ttt\n" | git-stripspace >actual &&
+    git diff expect actual &&
+
+    printf "$ttt\n\n$ttt$ttt\n" > expect &&
+    printf "$ttt\n\n\n\n\n$ttt$ttt\n" | git-stripspace >actual &&
+    git diff expect actual &&
+
+    printf "$ttt\n\n$ttt$ttt$ttt\n" > expect &&
+    printf "$ttt\n\n\n\n\n$ttt$ttt$ttt\n" | git-stripspace >actual &&
+    git diff expect actual
+'
+
+test_expect_success \
+    'consecutive blank lines at the beginning should be removed' '
+    printf "" > expect &&
+    printf "\n" | git-stripspace >actual &&
+    git diff expect actual &&
+
+    printf "" > expect &&
+    printf "\n\n\n" | git-stripspace >actual &&
+    git diff expect actual &&
+
+    printf "" > expect &&
+    printf "$sss\n$sss\n$sss\n" | git-stripspace >actual &&
+    git diff expect actual &&
+
+    printf "" > expect &&
+    printf "$sss$sss\n$sss\n\n" | git-stripspace >actual &&
+    git diff expect actual &&
+
+    printf "" > expect &&
+    printf "\n$sss\n$sss$sss\n" | git-stripspace >actual &&
+    git diff expect actual &&
+
+    printf "" > expect &&
+    printf "$sss$sss$sss$sss\n\n\n" | git-stripspace >actual &&
+    git diff expect actual &&
+
+    printf "" > expect &&
+    printf "\n$sss$sss$sss$sss\n\n" | git-stripspace >actual &&
+    git diff expect actual &&
+
+    printf "" > expect &&
+    printf "\n\n$sss$sss$sss$sss\n" | git-stripspace >actual &&
+    git diff expect actual &&
+
+    printf "$ttt\n" > expect &&
+    printf "\n$ttt\n" | git-stripspace >actual &&
+    git diff expect actual &&
+
+    printf "$ttt\n" > expect &&
+    printf "\n\n\n$ttt\n" | git-stripspace >actual &&
+    git diff expect actual &&
+
+    printf "$ttt$ttt\n" > expect &&
+    printf "\n\n\n$ttt$ttt\n" | git-stripspace >actual &&
+    git diff expect actual &&
+
+    printf "$ttt$ttt$ttt\n" > expect &&
+    printf "\n\n\n$ttt$ttt$ttt\n" | git-stripspace >actual &&
+    git diff expect actual &&
+
+    printf "$ttt$ttt$ttt$ttt\n" > expect &&
+    printf "\n\n\n$ttt$ttt$ttt$ttt\n" | git-stripspace >actual &&
+    git diff expect actual &&
+
+    printf "$ttt\n" > expect &&
+    printf "$sss\n$sss\n$sss\n$ttt\n" | git-stripspace >actual &&
+    git diff expect actual &&
+
+    printf "$ttt\n" > expect &&
+    printf "\n$sss\n$sss$sss\n$ttt\n" | git-stripspace >actual &&
+    git diff expect actual &&
+
+    printf "$ttt\n" > expect &&
+    printf "$sss$sss\n$sss\n\n$ttt\n" | git-stripspace >actual &&
+    git diff expect actual &&
+
+    printf "$ttt\n" > expect &&
+    printf "$sss$sss$sss\n\n\n$ttt\n" | git-stripspace >actual &&
+    git diff expect actual &&
+
+    printf "$ttt\n" > expect &&
+    printf "\n$sss$sss$sss\n\n$ttt\n" | git-stripspace >actual &&
+    git diff expect actual &&
+
+    printf "$ttt\n" > expect &&
+    printf "\n\n$sss$sss$sss\n$ttt\n" | git-stripspace >actual &&
+    git diff expect actual
+'
+
+test_expect_success \
+    'consecutive blank lines at the end should be removed' '
+    printf "$ttt\n" > expect &&
+    printf "$ttt\n\n" | git-stripspace >actual &&
+    git diff expect actual &&
+
+    printf "$ttt\n" > expect &&
+    printf "$ttt\n\n\n\n" | git-stripspace >actual &&
+    git diff expect actual &&
+
+    printf "$ttt$ttt\n" > expect &&
+    printf "$ttt$ttt\n\n\n\n" | git-stripspace >actual &&
+    git diff expect actual &&
+
+    printf "$ttt$ttt$ttt\n" > expect &&
+    printf "$ttt$ttt$ttt\n\n\n\n" | git-stripspace >actual &&
+    git diff expect actual &&
+
+    printf "$ttt$ttt$ttt$ttt\n" > expect &&
+    printf "$ttt$ttt$ttt$ttt\n\n\n\n" | git-stripspace >actual &&
+    git diff expect actual &&
+
+    printf "$ttt\n" > expect &&
+    printf "$ttt\n$sss\n$sss\n$sss\n" | git-stripspace >actual &&
+    git diff expect actual &&
+
+    printf "$ttt\n" > expect &&
+    printf "$ttt\n\n$sss\n$sss$sss\n" | git-stripspace >actual &&
+    git diff expect actual &&
+
+    printf "$ttt\n" > expect &&
+    printf "$ttt\n$sss$sss\n$sss\n\n" | git-stripspace >actual &&
+    git diff expect actual &&
+
+    printf "$ttt\n" > expect &&
+    printf "$ttt\n$sss$sss$sss\n\n\n" | git-stripspace >actual &&
+    git diff expect actual &&
+
+    printf "$ttt\n" > expect &&
+    printf "$ttt\n\n$sss$sss$sss\n\n" | git-stripspace >actual &&
+    git diff expect actual &&
+
+    printf "$ttt\n" > expect &&
+    printf "$ttt\n\n\n$sss$sss$sss\n" | git-stripspace >actual &&
+    git diff expect actual
+'
+
+test_expect_success \
+    'text without newline at end should end with newline' '
+    test `printf "$ttt" | git-stripspace | wc -l` -gt 0 &&
+    test `printf "$ttt$ttt" | git-stripspace | wc -l` -gt 0 &&
+    test `printf "$ttt$ttt$ttt" | git-stripspace | wc -l` -gt 0 &&
+    test `printf "$ttt$ttt$ttt$ttt" | git-stripspace | wc -l` -gt 0
+'
+
+# text plus spaces at the end:
+
+test_expect_success \
+    'text plus spaces without newline at end should end with newline' '
+    test `printf "$ttt$sss" | git-stripspace | wc -l` -gt 0 &&
+    test `printf "$ttt$ttt$sss" | git-stripspace | wc -l` -gt 0 &&
+    test `printf "$ttt$ttt$ttt$sss" | git-stripspace | wc -l` -gt 0
+    test `printf "$ttt$sss$sss" | git-stripspace | wc -l` -gt 0 &&
+    test `printf "$ttt$ttt$sss$sss" | git-stripspace | wc -l` -gt 0 &&
+    test `printf "$ttt$sss$sss$sss" | git-stripspace | wc -l` -gt 0
+'
+
+test_expect_failure \
+    'text plus spaces without newline at end should not show spaces' '
+    printf "$ttt$sss" | git-stripspace | grep -q "  " ||
+    printf "$ttt$ttt$sss" | git-stripspace | grep -q "  " ||
+    printf "$ttt$ttt$ttt$sss" | git-stripspace | grep -q "  " ||
+    printf "$ttt$sss$sss" | git-stripspace | grep -q "  " ||
+    printf "$ttt$ttt$sss$sss" | git-stripspace | grep -q "  " ||
+    printf "$ttt$sss$sss$sss" | git-stripspace | grep -q "  "
+'
+
+test_expect_success \
+    'text plus spaces without newline should show the correct lines' '
+    printf "$ttt\n" >expect &&
+    printf "$ttt$sss" | git-stripspace >actual &&
+    git diff expect actual &&
+
+    printf "$ttt\n" >expect &&
+    printf "$ttt$sss$sss" | git-stripspace >actual &&
+    git diff expect actual &&
+
+    printf "$ttt\n" >expect &&
+    printf "$ttt$sss$sss$sss" | git-stripspace >actual &&
+    git diff expect actual &&
+
+    printf "$ttt$ttt\n" >expect &&
+    printf "$ttt$ttt$sss" | git-stripspace >actual &&
+    git diff expect actual &&
+
+    printf "$ttt$ttt\n" >expect &&
+    printf "$ttt$ttt$sss$sss" | git-stripspace >actual &&
+    git diff expect actual &&
+
+    printf "$ttt$ttt$ttt\n" >expect &&
+    printf "$ttt$ttt$ttt$sss" | git-stripspace >actual &&
+    git diff expect actual
+'
+
+test_expect_failure \
+    'text plus spaces at end should not show spaces' '
+    echo "$ttt$sss" | git-stripspace | grep -q "  " ||
+    echo "$ttt$ttt$sss" | git-stripspace | grep -q "  " ||
+    echo "$ttt$ttt$ttt$sss" | git-stripspace | grep -q "  " ||
+    echo "$ttt$sss$sss" | git-stripspace | grep -q "  " ||
+    echo "$ttt$ttt$sss$sss" | git-stripspace | grep -q "  " ||
+    echo "$ttt$sss$sss$sss" | git-stripspace | grep -q "  "
+'
+
+test_expect_success \
+    'text plus spaces at end should be cleaned and newline must remain' '
+    echo "$ttt" >expect &&
+    echo "$ttt$sss" | git-stripspace >actual &&
+    git diff expect actual &&
+
+    echo "$ttt" >expect &&
+    echo "$ttt$sss$sss" | git-stripspace >actual &&
+    git diff expect actual &&
+
+    echo "$ttt" >expect &&
+    echo "$ttt$sss$sss$sss" | git-stripspace >actual &&
+    git diff expect actual &&
+
+    echo "$ttt$ttt" >expect &&
+    echo "$ttt$ttt$sss" | git-stripspace >actual &&
+    git diff expect actual &&
+
+    echo "$ttt$ttt" >expect &&
+    echo "$ttt$ttt$sss$sss" | git-stripspace >actual &&
+    git diff expect actual &&
+
+    echo "$ttt$ttt$ttt" >expect &&
+    echo "$ttt$ttt$ttt$sss" | git-stripspace >actual &&
+    git diff expect actual
+'
+
+# spaces only:
+
+test_expect_success \
+    'spaces with newline at end should be replaced with empty string' '
+    printf "" >expect &&
+
+    echo | git-stripspace >actual &&
+    git diff expect actual &&
+
+    echo "$sss" | git-stripspace >actual &&
+    git diff expect actual &&
+
+    echo "$sss$sss" | git-stripspace >actual &&
+    git diff expect actual &&
+
+    echo "$sss$sss$sss" | git-stripspace >actual &&
+    git diff expect actual &&
+
+    echo "$sss$sss$sss$sss" | git-stripspace >actual &&
+    git diff expect actual
+'
+
+test_expect_failure \
+    'spaces without newline at end should not show spaces' '
+    printf "" | git-stripspace | grep -q " " ||
+    printf "$sss" | git-stripspace | grep -q " " ||
+    printf "$sss$sss" | git-stripspace | grep -q " " ||
+    printf "$sss$sss$sss" | git-stripspace | grep -q " " ||
+    printf "$sss$sss$sss$sss" | git-stripspace | grep -q " "
+'
+
+test_expect_success \
+    'spaces without newline at end should be replaced with empty string' '
+    printf "" >expect &&
+
+    printf "" | git-stripspace >actual &&
+    git diff expect actual
+
+    printf "$sss$sss" | git-stripspace >actual &&
+    git diff expect actual
+
+    printf "$sss$sss$sss" | git-stripspace >actual &&
+    git diff expect actual
+
+    printf "$sss$sss$sss$sss" | git-stripspace >actual &&
+    git diff expect actual
+'
+
+test_done