merge(third_party/git): Merge squashed git subtree at v2.23.0 r/373

Merge commit '1b593e1ea4d2af0f6444d9a7788d5d99abd6fde5' as 'third_party/git'

1 files changed, 451 insertions, 0 deletions

diff --git a/third_party/git/t/t0030-stripspace.sh b/third_party/git/t/t0030-stripspace.sh
new file mode 100755
index 000000000000..0c24a0f9a377
--- /dev/null
+++ b/third_party/git/t/t0030-stripspace.sh
@@ -0,0 +1,451 @@
+#!/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 "$ttt" >expect &&
+    git stripspace <expect >actual &&
+    test_cmp expect actual &&
+
+    echo "$ttt$ttt" >expect &&
+    git stripspace <expect >actual &&
+    test_cmp expect actual &&
+
+    echo "$ttt$ttt$ttt" >expect &&
+    git stripspace <expect >actual &&
+    test_cmp expect actual &&
+
+    echo "$ttt$ttt$ttt$ttt" >expect &&
+    git stripspace <expect >actual &&
+    test_cmp expect actual
+'
+
+test_expect_success \
+    'lines with spaces at the beginning should be unchanged' '
+    echo "$sss$ttt" >expect &&
+    git stripspace <expect >actual &&
+    test_cmp expect actual &&
+
+    echo "$sss$sss$ttt" >expect &&
+    git stripspace <expect >actual &&
+    test_cmp expect actual &&
+
+    echo "$sss$sss$sss$ttt" >expect &&
+    git stripspace <expect >actual &&
+    test_cmp expect actual
+'
+
+test_expect_success \
+    'lines with intermediate spaces should be unchanged' '
+    echo "$ttt$sss$ttt" >expect &&
+    git stripspace <expect >actual &&
+    test_cmp expect actual &&
+
+    echo "$ttt$sss$sss$ttt" >expect &&
+    git stripspace <expect >actual &&
+    test_cmp 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 &&
+    test_cmp expect actual &&
+
+    printf "$ttt$ttt\n\n$ttt\n" > expect &&
+    printf "$ttt$ttt\n\n\n\n\n$ttt\n" | git stripspace >actual &&
+    test_cmp 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 &&
+    test_cmp expect actual &&
+
+    printf "$ttt\n\n$ttt\n" > expect &&
+    printf "$ttt\n\n\n\n\n$ttt\n" | git stripspace >actual &&
+    test_cmp expect actual &&
+
+    printf "$ttt\n\n$ttt$ttt\n" > expect &&
+    printf "$ttt\n\n\n\n\n$ttt$ttt\n" | git stripspace >actual &&
+    test_cmp 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 &&
+    test_cmp expect actual &&
+
+    printf "$ttt\n\n$ttt\n" > expect &&
+    printf "$ttt\n\t\n \n\n  \t\t\n$ttt\n" | git stripspace >actual &&
+    test_cmp expect actual &&
+
+    printf "$ttt$ttt\n\n$ttt\n" > expect &&
+    printf "$ttt$ttt\n\t\n \n\n  \t\t\n$ttt\n" | git stripspace >actual &&
+    test_cmp expect actual &&
+
+    printf "$ttt$ttt$ttt\n\n$ttt\n" > expect &&
+    printf "$ttt$ttt$ttt\n\t\n \n\n  \t\t\n$ttt\n" | git stripspace >actual &&
+    test_cmp expect actual &&
+
+    printf "$ttt\n\n$ttt\n" > expect &&
+    printf "$ttt\n\t\n \n\n  \t\t\n$ttt\n" | git stripspace >actual &&
+    test_cmp expect actual &&
+
+    printf "$ttt\n\n$ttt$ttt\n" > expect &&
+    printf "$ttt\n\t\n \n\n  \t\t\n$ttt$ttt\n" | git stripspace >actual &&
+    test_cmp expect actual &&
+
+    printf "$ttt\n\n$ttt$ttt$ttt\n" > expect &&
+    printf "$ttt\n\t\n \n\n  \t\t\n$ttt$ttt$ttt\n" | git stripspace >actual &&
+    test_cmp expect actual
+'
+
+test_expect_success \
+    'only consecutive blank lines should be completely removed' '
+
+    printf "\n" | git stripspace >actual &&
+    test_must_be_empty actual &&
+
+    printf "\n\n\n" | git stripspace >actual &&
+    test_must_be_empty actual &&
+
+    printf "$sss\n$sss\n$sss\n" | git stripspace >actual &&
+    test_must_be_empty actual &&
+
+    printf "$sss$sss\n$sss\n\n" | git stripspace >actual &&
+    test_must_be_empty actual &&
+
+    printf "\n$sss\n$sss$sss\n" | git stripspace >actual &&
+    test_must_be_empty actual &&
+
+    printf "$sss$sss$sss$sss\n\n\n" | git stripspace >actual &&
+    test_must_be_empty actual &&
+
+    printf "\n$sss$sss$sss$sss\n\n" | git stripspace >actual &&
+    test_must_be_empty actual &&
+
+    printf "\n\n$sss$sss$sss$sss\n" | git stripspace >actual &&
+    test_must_be_empty actual
+'
+
+test_expect_success \
+    'consecutive blank lines at the beginning should be removed' '
+    printf "$ttt\n" > expect &&
+    printf "\n$ttt\n" | git stripspace >actual &&
+    test_cmp expect actual &&
+
+    printf "$ttt\n" > expect &&
+    printf "\n\n\n$ttt\n" | git stripspace >actual &&
+    test_cmp expect actual &&
+
+    printf "$ttt$ttt\n" > expect &&
+    printf "\n\n\n$ttt$ttt\n" | git stripspace >actual &&
+    test_cmp expect actual &&
+
+    printf "$ttt$ttt$ttt\n" > expect &&
+    printf "\n\n\n$ttt$ttt$ttt\n" | git stripspace >actual &&
+    test_cmp expect actual &&
+
+    printf "$ttt$ttt$ttt$ttt\n" > expect &&
+    printf "\n\n\n$ttt$ttt$ttt$ttt\n" | git stripspace >actual &&
+    test_cmp expect actual &&
+
+    printf "$ttt\n" > expect &&
+
+    printf "$sss\n$sss\n$sss\n$ttt\n" | git stripspace >actual &&
+    test_cmp expect actual &&
+
+    printf "\n$sss\n$sss$sss\n$ttt\n" | git stripspace >actual &&
+    test_cmp expect actual &&
+
+    printf "$sss$sss\n$sss\n\n$ttt\n" | git stripspace >actual &&
+    test_cmp expect actual &&
+
+    printf "$sss$sss$sss\n\n\n$ttt\n" | git stripspace >actual &&
+    test_cmp expect actual &&
+
+    printf "\n$sss$sss$sss\n\n$ttt\n" | git stripspace >actual &&
+    test_cmp expect actual &&
+
+    printf "\n\n$sss$sss$sss\n$ttt\n" | git stripspace >actual &&
+    test_cmp 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 &&
+    test_cmp expect actual &&
+
+    printf "$ttt\n" > expect &&
+    printf "$ttt\n\n\n\n" | git stripspace >actual &&
+    test_cmp expect actual &&
+
+    printf "$ttt$ttt\n" > expect &&
+    printf "$ttt$ttt\n\n\n\n" | git stripspace >actual &&
+    test_cmp expect actual &&
+
+    printf "$ttt$ttt$ttt\n" > expect &&
+    printf "$ttt$ttt$ttt\n\n\n\n" | git stripspace >actual &&
+    test_cmp expect actual &&
+
+    printf "$ttt$ttt$ttt$ttt\n" > expect &&
+    printf "$ttt$ttt$ttt$ttt\n\n\n\n" | git stripspace >actual &&
+    test_cmp expect actual &&
+
+    printf "$ttt\n" > expect &&
+
+    printf "$ttt\n$sss\n$sss\n$sss\n" | git stripspace >actual &&
+    test_cmp expect actual &&
+
+    printf "$ttt\n\n$sss\n$sss$sss\n" | git stripspace >actual &&
+    test_cmp expect actual &&
+
+    printf "$ttt\n$sss$sss\n$sss\n\n" | git stripspace >actual &&
+    test_cmp expect actual &&
+
+    printf "$ttt\n$sss$sss$sss\n\n\n" | git stripspace >actual &&
+    test_cmp expect actual &&
+
+    printf "$ttt\n\n$sss$sss$sss\n\n" | git stripspace >actual &&
+    test_cmp expect actual &&
+
+    printf "$ttt\n\n\n$sss$sss$sss\n" | git stripspace >actual &&
+    test_cmp 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$sss" | git stripspace | wc -l) -gt 0
+'
+
+test_expect_success \
+    'text plus spaces without newline at end should not show spaces' '
+    ! (printf "$ttt$sss" | git stripspace | grep "  " >/dev/null) &&
+    ! (printf "$ttt$ttt$sss" | git stripspace | grep "  " >/dev/null) &&
+    ! (printf "$ttt$ttt$ttt$sss" | git stripspace | grep "  " >/dev/null) &&
+    ! (printf "$ttt$sss$sss" | git stripspace | grep "  " >/dev/null) &&
+    ! (printf "$ttt$ttt$sss$sss" | git stripspace | grep "  " >/dev/null) &&
+    ! (printf "$ttt$sss$sss$sss" | git stripspace | grep "  " >/dev/null)
+'
+
+test_expect_success \
+    'text plus spaces without newline should show the correct lines' '
+    printf "$ttt\n" >expect &&
+    printf "$ttt$sss" | git stripspace >actual &&
+    test_cmp expect actual &&
+
+    printf "$ttt\n" >expect &&
+    printf "$ttt$sss$sss" | git stripspace >actual &&
+    test_cmp expect actual &&
+
+    printf "$ttt\n" >expect &&
+    printf "$ttt$sss$sss$sss" | git stripspace >actual &&
+    test_cmp expect actual &&
+
+    printf "$ttt$ttt\n" >expect &&
+    printf "$ttt$ttt$sss" | git stripspace >actual &&
+    test_cmp expect actual &&
+
+    printf "$ttt$ttt\n" >expect &&
+    printf "$ttt$ttt$sss$sss" | git stripspace >actual &&
+    test_cmp expect actual &&
+
+    printf "$ttt$ttt$ttt\n" >expect &&
+    printf "$ttt$ttt$ttt$sss" | git stripspace >actual &&
+    test_cmp expect actual
+'
+
+test_expect_success \
+    'text plus spaces at end should not show spaces' '
+    ! (echo "$ttt$sss" | git stripspace | grep "  " >/dev/null) &&
+    ! (echo "$ttt$ttt$sss" | git stripspace | grep "  " >/dev/null) &&
+    ! (echo "$ttt$ttt$ttt$sss" | git stripspace | grep "  " >/dev/null) &&
+    ! (echo "$ttt$sss$sss" | git stripspace | grep "  " >/dev/null) &&
+    ! (echo "$ttt$ttt$sss$sss" | git stripspace | grep "  " >/dev/null) &&
+    ! (echo "$ttt$sss$sss$sss" | git stripspace | grep "  " >/dev/null)
+'
+
+test_expect_success \
+    'text plus spaces at end should be cleaned and newline must remain' '
+    echo "$ttt" >expect &&
+    echo "$ttt$sss" | git stripspace >actual &&
+    test_cmp expect actual &&
+
+    echo "$ttt" >expect &&
+    echo "$ttt$sss$sss" | git stripspace >actual &&
+    test_cmp expect actual &&
+
+    echo "$ttt" >expect &&
+    echo "$ttt$sss$sss$sss" | git stripspace >actual &&
+    test_cmp expect actual &&
+
+    echo "$ttt$ttt" >expect &&
+    echo "$ttt$ttt$sss" | git stripspace >actual &&
+    test_cmp expect actual &&
+
+    echo "$ttt$ttt" >expect &&
+    echo "$ttt$ttt$sss$sss" | git stripspace >actual &&
+    test_cmp expect actual &&
+
+    echo "$ttt$ttt$ttt" >expect &&
+    echo "$ttt$ttt$ttt$sss" | git stripspace >actual &&
+    test_cmp expect actual
+'
+
+# spaces only:
+
+test_expect_success \
+    'spaces with newline at end should be replaced with empty string' '
+    echo | git stripspace >actual &&
+    test_must_be_empty actual &&
+
+    echo "$sss" | git stripspace >actual &&
+    test_must_be_empty actual &&
+
+    echo "$sss$sss" | git stripspace >actual &&
+    test_must_be_empty actual &&
+
+    echo "$sss$sss$sss" | git stripspace >actual &&
+    test_must_be_empty actual &&
+
+    echo "$sss$sss$sss$sss" | git stripspace >actual &&
+    test_must_be_empty actual
+'
+
+test_expect_success \
+    'spaces without newline at end should not show spaces' '
+    ! (printf "" | git stripspace | grep " " >/dev/null) &&
+    ! (printf "$sss" | git stripspace | grep " " >/dev/null) &&
+    ! (printf "$sss$sss" | git stripspace | grep " " >/dev/null) &&
+    ! (printf "$sss$sss$sss" | git stripspace | grep " " >/dev/null) &&
+    ! (printf "$sss$sss$sss$sss" | git stripspace | grep " " >/dev/null)
+'
+
+test_expect_success \
+    'spaces without newline at end should be replaced with empty string' '
+    printf "" | git stripspace >actual &&
+    test_must_be_empty actual &&
+
+    printf "$sss$sss" | git stripspace >actual &&
+    test_must_be_empty actual &&
+
+    printf "$sss$sss$sss" | git stripspace >actual &&
+    test_must_be_empty actual &&
+
+    printf "$sss$sss$sss$sss" | git stripspace >actual &&
+    test_must_be_empty actual
+'
+
+test_expect_success \
+    'consecutive text lines should be unchanged' '
+    printf "$ttt$ttt\n$ttt\n" >expect &&
+    printf "$ttt$ttt\n$ttt\n" | git stripspace >actual &&
+    test_cmp expect actual &&
+
+    printf "$ttt\n$ttt$ttt\n$ttt\n" >expect &&
+    printf "$ttt\n$ttt$ttt\n$ttt\n" | git stripspace >actual &&
+    test_cmp expect actual &&
+
+    printf "$ttt\n$ttt\n$ttt\n$ttt$ttt\n" >expect &&
+    printf "$ttt\n$ttt\n$ttt\n$ttt$ttt\n" | git stripspace >actual &&
+    test_cmp expect actual &&
+
+    printf "$ttt\n$ttt\n\n$ttt$ttt\n$ttt\n" >expect &&
+    printf "$ttt\n$ttt\n\n$ttt$ttt\n$ttt\n" | git stripspace >actual &&
+    test_cmp expect actual &&
+
+    printf "$ttt$ttt\n\n$ttt\n$ttt$ttt\n" >expect &&
+    printf "$ttt$ttt\n\n$ttt\n$ttt$ttt\n" | git stripspace >actual &&
+    test_cmp expect actual &&
+
+    printf "$ttt\n$ttt$ttt\n\n$ttt\n" >expect &&
+    printf "$ttt\n$ttt$ttt\n\n$ttt\n" | git stripspace >actual &&
+    test_cmp expect actual
+'
+
+test_expect_success 'strip comments, too' '
+	test ! -z "$(echo "# comment" | git stripspace)" &&
+	test -z "$(echo "# comment" | git stripspace -s)"
+'
+
+test_expect_success 'strip comments with changed comment char' '
+	test ! -z "$(echo "; comment" | git -c core.commentchar=";" stripspace)" &&
+	test -z "$(echo "; comment" | git -c core.commentchar=";" stripspace -s)"
+'
+
+test_expect_success '-c with single line' '
+	printf "# foo\n" >expect &&
+	printf "foo" | git stripspace -c >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success '-c with single line followed by empty line' '
+	printf "# foo\n#\n" >expect &&
+	printf "foo\n\n" | git stripspace -c >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success '-c with newline only' '
+	printf "#\n" >expect &&
+	printf "\n" | git stripspace -c >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success '--comment-lines with single line' '
+	printf "# foo\n" >expect &&
+	printf "foo" | git stripspace -c >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success '-c with changed comment char' '
+	printf "; foo\n" >expect &&
+	printf "foo" | git -c core.commentchar=";" stripspace -c >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success '-c with comment char defined in .git/config' '
+	test_config core.commentchar = &&
+	printf "= foo\n" >expect &&
+	rm -fr sub &&
+	mkdir sub &&
+	printf "foo" | git -C sub stripspace -c >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success '-c outside git repository' '
+	printf "# foo\n" >expect &&
+	printf "foo" | nongit git stripspace -c >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'avoid SP-HT sequence in commented line' '
+	printf "#\tone\n#\n# two\n" >expect &&
+	printf "\tone\n\ntwo\n" | git stripspace -c >actual &&
+	test_cmp expect actual
+'
+
+test_done