Merge branch 'jk/test'

* jk/test:
  enable whitespace checking of test scripts
  avoid trailing whitespace in zero-change diffstat lines
  avoid whitespace on empty line in automatic usage message
  mask necessary whitespace policy violations in test scripts
  fix whitespace violations in test scripts

15 files changed, 145 insertions, 151 deletions

diff --git a/t/.gitattributes b/t/.gitattributes
index ab6edbf19..1b97c5465 100644
--- a/t/.gitattributes
+++ b/t/.gitattributes
@@ -1,2 +1 @@
-t[0-9][0-9][0-9][0-9]-*.sh -whitespace
 t[0-9][0-9][0-9][0-9]/* -whitespace
diff --git a/t/t1502-rev-parse-parseopt.sh b/t/t1502-rev-parse-parseopt.sh
index d24a47d11..7cdd70a18 100755
--- a/t/t1502-rev-parse-parseopt.sh
+++ b/t/t1502-rev-parse-parseopt.sh
@@ -5,7 +5,7 @@ test_description='test git rev-parse --parseopt'
 
 cat > expect.err <<EOF
 usage: some-command [options] <args>...
-    
+
     some-command does foo and bar!
 
     -h, --help            show the help
diff --git a/t/t3800-mktag.sh b/t/t3800-mktag.sh
index df1fd6f86..c851db8ca 100755
--- a/t/t3800-mktag.sh
+++ b/t/t3800-mktag.sh
@@ -241,11 +241,11 @@ check_verify_failure 'disallow spaces in tag email' \
 ############################################################
 # 17. disallow missing tag timestamp
 
-cat >tag.sig <<EOF
+tr '_' ' ' >tag.sig <<EOF
 object $head
 type commit
 tag mytag
-tagger T A Gger <tagger@example.com>  
+tagger T A Gger <tagger@example.com>__
 
 EOF
 
diff --git a/t/t3903-stash.sh b/t/t3903-stash.sh
index 2d3ee3b78..54d99ed0c 100755
--- a/t/t3903-stash.sh
+++ b/t/t3903-stash.sh
@@ -41,7 +41,7 @@ test_expect_success 'apply needs clean working directory' '
 	echo 4 > other-file &&
 	git add other-file &&
 	echo 5 > other-file &&
- 	test_must_fail git stash apply
+	test_must_fail git stash apply
 '
 
 test_expect_success 'apply stashed changes' '
diff --git a/t/t4014-format-patch.sh b/t/t4014-format-patch.sh
index 3583e68e9..7fe853c20 100755
--- a/t/t4014-format-patch.sh
+++ b/t/t4014-format-patch.sh
@@ -98,7 +98,7 @@ test_expect_success 'extra headers' '
 	sed -e "/^$/q" patch2 > hdrs2 &&
 	grep "^To: R. E. Cipient <rcipient@example.com>$" hdrs2 &&
 	grep "^Cc: S. E. Cipient <scipient@example.com>$" hdrs2
-	
+
 '
 
 test_expect_success 'extra headers without newlines' '
@@ -109,7 +109,7 @@ test_expect_success 'extra headers without newlines' '
 	sed -e "/^$/q" patch3 > hdrs3 &&
 	grep "^To: R. E. Cipient <rcipient@example.com>$" hdrs3 &&
 	grep "^Cc: S. E. Cipient <scipient@example.com>$" hdrs3
-	
+
 '
 
 test_expect_success 'extra headers with multiple To:s' '
@@ -170,7 +170,7 @@ test_expect_success 'thread cover-letter' '
 	git checkout side &&
 	git format-patch --cover-letter --thread -o patches/ master &&
 	FIRST_MID=$(grep "Message-Id:" patches/0000-* | sed "s/^[^<]*\(<[^>]*>\).*$/\1/") &&
-	for i in patches/0001-* patches/0002-* patches/0003-* 
+	for i in patches/0001-* patches/0002-* patches/0003-*
 	do
 	  grep "References: $FIRST_MID" $i &&
 	  grep "In-Reply-To: $FIRST_MID" $i || break
diff --git a/t/t4015-diff-whitespace.sh b/t/t4015-diff-whitespace.sh
index ca0302f41..b7cc6b28e 100755
--- a/t/t4015-diff-whitespace.sh
+++ b/t/t4015-diff-whitespace.sh
@@ -62,16 +62,16 @@ EOF
 
 git update-index x
 
-cat << EOF > x
+tr '_' ' ' << EOF > x
 	whitespace at beginning
 whitespace 	 change
 white space in the middle
-whitespace at end  
+whitespace at end__
 unchanged line
 CR at end
 EOF
 
-tr 'Q' '\015' << EOF > expect
+tr 'Q_' '\015 ' << EOF > expect
 diff --git a/x b/x
 index d99af23..8b32fb5 100644
 --- a/x
@@ -84,7 +84,7 @@ index d99af23..8b32fb5 100644
 +	whitespace at beginning
 +whitespace 	 change
 +white space in the middle
-+whitespace at end  
++whitespace at end__
  unchanged line
 -CR at endQ
 +CR at end
diff --git a/t/t4016-diff-quote.sh b/t/t4016-diff-quote.sh
index 0950250c9..f07035ab7 100755
--- a/t/t4016-diff-quote.sh
+++ b/t/t4016-diff-quote.sh
@@ -53,13 +53,13 @@ test_expect_success 'git diff --summary -M HEAD' '
 '
 
 cat >expect <<\EOF
- pathname.1 => "Rpathname\twith HT.0"            |    0 
- pathname.3 => "Rpathname\nwith LF.0"            |    0 
- "pathname\twith HT.3" => "Rpathname\nwith LF.1" |    0 
- pathname.2 => Rpathname with SP.0               |    0 
- "pathname\twith HT.2" => Rpathname with SP.1    |    0 
- pathname.0 => Rpathname.0                       |    0 
- "pathname\twith HT.0" => Rpathname.1            |    0 
+ pathname.1 => "Rpathname\twith HT.0"            |    0
+ pathname.3 => "Rpathname\nwith LF.0"            |    0
+ "pathname\twith HT.3" => "Rpathname\nwith LF.1" |    0
+ pathname.2 => Rpathname with SP.0               |    0
+ "pathname\twith HT.2" => Rpathname with SP.1    |    0
+ pathname.0 => Rpathname.0                       |    0
+ "pathname\twith HT.0" => Rpathname.1            |    0
  7 files changed, 0 insertions(+), 0 deletions(-)
 EOF
 test_expect_success 'git diff --stat -M HEAD' '
diff --git a/t/t4109-apply-multifrag.sh b/t/t4109-apply-multifrag.sh
index bd40a218c..ff5fdf35f 100755
--- a/t/t4109-apply-multifrag.sh
+++ b/t/t4109-apply-multifrag.sh
@@ -9,134 +9,10 @@ test_description='git apply test patches with multiple fragments.
 '
 . ./test-lib.sh
 
-# setup
-
-cat > patch1.patch <<\EOF
-diff --git a/main.c b/main.c
-new file mode 100644
---- /dev/null
-+++ b/main.c
-@@ -0,0 +1,23 @@
-+#include <stdio.h>
-+
-+int func(int num);
-+void print_int(int num);
-+
-+int main() {
-+	int i;
-+
-+	for (i = 0; i < 10; i++) {
-+		print_int(func(i));
-+	}
-+
-+	return 0;
-+}
-+
-+int func(int num) {
-+	return num * num;
-+}
-+
-+void print_int(int num) {
-+	printf("%d", num);
-+}
-+
-EOF
-cat > patch2.patch <<\EOF
-diff --git a/main.c b/main.c
---- a/main.c
-+++ b/main.c
-@@ -1,7 +1,9 @@
-+#include <stdlib.h>
- #include <stdio.h>
- 
- int func(int num);
- void print_int(int num);
-+void print_ln();
- 
- int main() {
- 	int i;
-@@ -10,6 +12,8 @@
- 		print_int(func(i));
- 	}
- 
-+	print_ln();
-+
- 	return 0;
- }
- 
-@@ -21,3 +25,7 @@
- 	printf("%d", num);
- }
- 
-+void print_ln() {
-+	printf("\n");
-+}
-+
-EOF
-cat > patch3.patch <<\EOF
-diff --git a/main.c b/main.c
---- a/main.c
-+++ b/main.c
-@@ -1,9 +1,7 @@
--#include <stdlib.h>
- #include <stdio.h>
- 
- int func(int num);
- void print_int(int num);
--void print_ln();
- 
- int main() {
- 	int i;
-@@ -12,8 +10,6 @@
- 		print_int(func(i));
- 	}
- 
--	print_ln();
--
- 	return 0;
- }
- 
-@@ -25,7 +21,3 @@
- 	printf("%d", num);
- }
- 
--void print_ln() {
--	printf("\n");
--}
--
-EOF
-cat > patch4.patch <<\EOF
-diff --git a/main.c b/main.c
---- a/main.c
-+++ b/main.c
-@@ -1,13 +1,14 @@
- #include <stdio.h>
- 
- int func(int num);
--void print_int(int num);
-+int func2(int num);
- 
- int main() {
- 	int i;
- 
- 	for (i = 0; i < 10; i++) {
--		print_int(func(i));
-+		printf("%d", func(i));
-+		printf("%d", func3(i));
- 	}
- 
- 	return 0;
-@@ -17,7 +18,7 @@
- 	return num * num;
- }
- 
--void print_int(int num) {
--	printf("%d", num);
-+int func2(int num) {
-+	return num * num * num;
- }
- 
-EOF
+cp ../t4109/patch1.patch .
+cp ../t4109/patch2.patch .
+cp ../t4109/patch3.patch .
+cp ../t4109/patch4.patch .
 
 test_expect_success "S = git apply (1)" \
     'git apply patch1.patch patch2.patch'
diff --git a/t/t4109/patch1.patch b/t/t4109/patch1.patch
new file mode 100644
index 000000000..1d411fc3c
--- /dev/null
+++ b/t/t4109/patch1.patch
@@ -0,0 +1,28 @@
+diff --git a/main.c b/main.c
+new file mode 100644
+--- /dev/null
++++ b/main.c
+@@ -0,0 +1,23 @@
++#include <stdio.h>
++
++int func(int num);
++void print_int(int num);
++
++int main() {
++	int i;
++
++	for (i = 0; i < 10; i++) {
++		print_int(func(i));
++	}
++
++	return 0;
++}
++
++int func(int num) {
++	return num * num;
++}
++
++void print_int(int num) {
++	printf("%d", num);
++}
++
diff --git a/t/t4109/patch2.patch b/t/t4109/patch2.patch
new file mode 100644
index 000000000..8c6b06d53
--- /dev/null
+++ b/t/t4109/patch2.patch
@@ -0,0 +1,30 @@
+diff --git a/main.c b/main.c
+--- a/main.c
++++ b/main.c
+@@ -1,7 +1,9 @@
++#include <stdlib.h>
+ #include <stdio.h>
+ 
+ int func(int num);
+ void print_int(int num);
++void print_ln();
+ 
+ int main() {
+ 	int i;
+@@ -10,6 +12,8 @@
+ 		print_int(func(i));
+ 	}
+ 
++	print_ln();
++
+ 	return 0;
+ }
+ 
+@@ -21,3 +25,7 @@
+ 	printf("%d", num);
+ }
+ 
++void print_ln() {
++	printf("\n");
++}
++
diff --git a/t/t4109/patch3.patch b/t/t4109/patch3.patch
new file mode 100644
index 000000000..d696c55a7
--- /dev/null
+++ b/t/t4109/patch3.patch
@@ -0,0 +1,31 @@
+cat > patch3.patch <<\EOF
+diff --git a/main.c b/main.c
+--- a/main.c
++++ b/main.c
+@@ -1,9 +1,7 @@
+-#include <stdlib.h>
+ #include <stdio.h>
+ 
+ int func(int num);
+ void print_int(int num);
+-void print_ln();
+ 
+ int main() {
+ 	int i;
+@@ -12,8 +10,6 @@
+ 		print_int(func(i));
+ 	}
+ 
+-	print_ln();
+-
+ 	return 0;
+ }
+ 
+@@ -25,7 +21,3 @@
+ 	printf("%d", num);
+ }
+ 
+-void print_ln() {
+-	printf("\n");
+-}
+-
diff --git a/t/t4109/patch4.patch b/t/t4109/patch4.patch
new file mode 100644
index 000000000..4b085909b
--- /dev/null
+++ b/t/t4109/patch4.patch
@@ -0,0 +1,30 @@
+diff --git a/main.c b/main.c
+--- a/main.c
++++ b/main.c
+@@ -1,13 +1,14 @@
+ #include <stdio.h>
+ 
+ int func(int num);
+-void print_int(int num);
++int func2(int num);
+ 
+ int main() {
+ 	int i;
+ 
+ 	for (i = 0; i < 10; i++) {
+-		print_int(func(i));
++		printf("%d", func(i));
++		printf("%d", func3(i));
+ 	}
+ 
+ 	return 0;
+@@ -17,7 +18,7 @@
+ 	return num * num;
+ }
+ 
+-void print_int(int num) {
+-	printf("%d", num);
++int func2(int num) {
++	return num * num * num;
+ }
+ 
diff --git a/t/t4119-apply-config.sh b/t/t4119-apply-config.sh
index b540f7295..3c73a783a 100755
--- a/t/t4119-apply-config.sh
+++ b/t/t4119-apply-config.sh
@@ -19,12 +19,12 @@ test_expect_success setup '
 '
 
 # Also handcraft GNU diff output; note this has trailing whitespace.
-cat >gpatch.file <<\EOF &&
+tr '_' ' ' >gpatch.file <<\EOF &&
 --- file1	2007-02-21 01:04:24.000000000 -0800
 +++ file1+	2007-02-21 01:07:44.000000000 -0800
 @@ -1 +1 @@
 -A
-+B 
++B_
 EOF
 
 sed -e 's|file1|sub/&|' gpatch.file >gpatch-sub.file &&
diff --git a/t/t4150-am.sh b/t/t4150-am.sh
index 722ae96cd..bc982607d 100755
--- a/t/t4150-am.sh
+++ b/t/t4150-am.sh
@@ -110,7 +110,7 @@ test_expect_success 'am applies patch correctly' '
 
 GIT_AUTHOR_NAME="Another Thor"
 GIT_AUTHOR_EMAIL="a.thor@example.com"
-GIT_COMMITTER_NAME="Co M Miter" 
+GIT_COMMITTER_NAME="Co M Miter"
 GIT_COMMITTER_EMAIL="c.miter@example.com"
 export GIT_AUTHOR_NAME GIT_AUTHOR_EMAIL GIT_COMMITTER_NAME GIT_COMMITTER_EMAIL
 
diff --git a/t/t5540-http-push.sh b/t/t5540-http-push.sh
index 737243916..f15dd03e4 100755
--- a/t/t5540-http-push.sh
+++ b/t/t5540-http-push.sh
@@ -38,7 +38,7 @@ test_expect_success 'setup remote repository' '
 	cd - &&
 	mv test_repo.git $HTTPD_DOCUMENT_ROOT_PATH
 '
-	
+
 test_expect_success 'clone remote repository' '
 	cd "$ROOT_PATH" &&
 	git clone $HTTPD_URL/test_repo.git test_repo_clone