Merge branch 'rs/grep-h-c'

"git grep" learns to handle combination of "-h (no header)" and "-c
(counts)".

* rs/grep-h-c:
  grep: support -h (no header) with --count
  t7810: add missing variables to tests in loop

Author: gitster

grep.c

@@ -1562,8 +1562,11 @@ static int grep_source_1(struct grep_opt *opt, struct grep_source *gs, int colle
 	 */
 	if (opt->count && count) {
 		char buf[32];
-		output_color(opt, gs->name, strlen(gs->name), opt->color_filename);
-		output_sep(opt, ':');
+		if (opt->pathname) {
+			output_color(opt, gs->name, strlen(gs->name),
+				     opt->color_filename);
+			output_sep(opt, ':');
+		}
 		snprintf(buf, sizeof(buf), "%u\n", count);
 		opt->output(opt, buf, strlen(buf));
 		return 1;

t/t7810-grep.sh

@@ -105,7 +105,7 @@ do
 
 	test_expect_success "grep -w $L (w)" '
 		: >expected &&
-		test_must_fail git grep -n -w -e "^w" >actual &&
+		test_must_fail git grep -n -w -e "^w" $H >actual &&
 		test_cmp expected actual
 	'
 
@@ -240,92 +240,104 @@ do
 		test_cmp expected actual
 	'
 	test_expect_success "grep $L with grep.extendedRegexp=false" '
-		echo "ab:a+bc" >expected &&
-		git -c grep.extendedRegexp=false grep "a+b*c" ab >actual &&
+		echo "${HC}ab:a+bc" >expected &&
+		git -c grep.extendedRegexp=false grep "a+b*c" $H ab >actual &&
 		test_cmp expected actual
 	'
 
 	test_expect_success "grep $L with grep.extendedRegexp=true" '
-		echo "ab:abc" >expected &&
-		git -c grep.extendedRegexp=true grep "a+b*c" ab >actual &&
+		echo "${HC}ab:abc" >expected &&
+		git -c grep.extendedRegexp=true grep "a+b*c" $H ab >actual &&
 		test_cmp expected actual
 	'
 
 	test_expect_success "grep $L with grep.patterntype=basic" '
-		echo "ab:a+bc" >expected &&
-		git -c grep.patterntype=basic grep "a+b*c" ab >actual &&
+		echo "${HC}ab:a+bc" >expected &&
+		git -c grep.patterntype=basic grep "a+b*c" $H ab >actual &&
 		test_cmp expected actual
 	'
 
 	test_expect_success "grep $L with grep.patterntype=extended" '
-		echo "ab:abc" >expected &&
-		git -c grep.patterntype=extended grep "a+b*c" ab >actual &&
+		echo "${HC}ab:abc" >expected &&
+		git -c grep.patterntype=extended grep "a+b*c" $H ab >actual &&
 		test_cmp expected actual
 	'
 
 	test_expect_success "grep $L with grep.patterntype=fixed" '
-		echo "ab:a+b*c" >expected &&
-		git -c grep.patterntype=fixed grep "a+b*c" ab >actual &&
+		echo "${HC}ab:a+b*c" >expected &&
+		git -c grep.patterntype=fixed grep "a+b*c" $H ab >actual &&
 		test_cmp expected actual
 	'
 
 	test_expect_success LIBPCRE "grep $L with grep.patterntype=perl" '
-		echo "ab:a+b*c" >expected &&
-		git -c grep.patterntype=perl grep "a\x{2b}b\x{2a}c" ab >actual &&
+		echo "${HC}ab:a+b*c" >expected &&
+		git -c grep.patterntype=perl grep "a\x{2b}b\x{2a}c" $H ab >actual &&
 		test_cmp expected actual
 	'
 
 	test_expect_success "grep $L with grep.patternType=default and grep.extendedRegexp=true" '
-		echo "ab:abc" >expected &&
+		echo "${HC}ab:abc" >expected &&
 		git \
 			-c grep.patternType=default \
 			-c grep.extendedRegexp=true \
-			grep "a+b*c" ab >actual &&
+			grep "a+b*c" $H ab >actual &&
 		test_cmp expected actual
 	'
 
 	test_expect_success "grep $L with grep.extendedRegexp=true and grep.patternType=default" '
-		echo "ab:abc" >expected &&
+		echo "${HC}ab:abc" >expected &&
 		git \
 			-c grep.extendedRegexp=true \
 			-c grep.patternType=default \
-			grep "a+b*c" ab >actual &&
+			grep "a+b*c" $H ab >actual &&
 		test_cmp expected actual
 	'
 
-	test_expect_success 'grep $L with grep.patternType=extended and grep.extendedRegexp=false' '
-		echo "ab:abc" >expected &&
+	test_expect_success "grep $L with grep.patternType=extended and grep.extendedRegexp=false" '
+		echo "${HC}ab:abc" >expected &&
 		git \
 			-c grep.patternType=extended \
 			-c grep.extendedRegexp=false \
-			grep "a+b*c" ab >actual &&
+			grep "a+b*c" $H ab >actual &&
 		test_cmp expected actual
 	'
 
-	test_expect_success 'grep $L with grep.patternType=basic and grep.extendedRegexp=true' '
-		echo "ab:a+bc" >expected &&
+	test_expect_success "grep $L with grep.patternType=basic and grep.extendedRegexp=true" '
+		echo "${HC}ab:a+bc" >expected &&
 		git \
 			-c grep.patternType=basic \
 			-c grep.extendedRegexp=true \
-			grep "a+b*c" ab >actual &&
+			grep "a+b*c" $H ab >actual &&
 		test_cmp expected actual
 	'
 
-	test_expect_success 'grep $L with grep.extendedRegexp=false and grep.patternType=extended' '
-		echo "ab:abc" >expected &&
+	test_expect_success "grep $L with grep.extendedRegexp=false and grep.patternType=extended" '
+		echo "${HC}ab:abc" >expected &&
 		git \
 			-c grep.extendedRegexp=false \
 			-c grep.patternType=extended \
-			grep "a+b*c" ab >actual &&
+			grep "a+b*c" $H ab >actual &&
 		test_cmp expected actual
 	'
 
-	test_expect_success 'grep $L with grep.extendedRegexp=true and grep.patternType=basic' '
-		echo "ab:a+bc" >expected &&
+	test_expect_success "grep $L with grep.extendedRegexp=true and grep.patternType=basic" '
+		echo "${HC}ab:a+bc" >expected &&
 		git \
 			-c grep.extendedRegexp=true \
 			-c grep.patternType=basic \
-			grep "a+b*c" ab >actual &&
+			grep "a+b*c" $H ab >actual &&
+		test_cmp expected actual
+	'
+
+	test_expect_success "grep --count $L" '
+		echo ${HC}ab:3 >expected &&
+		git grep --count -e b $H -- ab >actual &&
+		test_cmp expected actual
+	'
+
+	test_expect_success "grep --count -h $L" '
+		echo 3 >expected &&
+		git grep --count -h -e b $H -- ab >actual &&
 		test_cmp expected actual
 	'
 done