Merge branch 'ls/p4-test-updates'

A few test scripts around "git p4" have been improved for
portability.

* ls/p4-test-updates:
  git-p4: skip t9819 test case on case insensitive file systems
  git-p4: avoid "stat" command in t9815 git-p4-submit-fail

Author: gitster

t/t9815-git-p4-submit-fail.sh

@@ -417,11 +417,8 @@ test_expect_success 'cleanup chmod after submit cancel' '
 		! p4 fstat -T action text &&
 		test_path_is_file text+x &&
 		! p4 fstat -T action text+x &&
-		if test_have_prereq !CYGWIN
-		then
-			stat --format=%A text | egrep ^-r-- &&
-			stat --format=%A text+x | egrep ^-r-x
-		fi
+		ls -l text | egrep ^-r-- &&
+		ls -l text+x | egrep ^-r-x
 	)
 '
 

t/t9819-git-p4-case-folding.sh

@@ -4,6 +4,12 @@ test_description='interaction with P4 case-folding'
 
 . ./lib-git-p4.sh
 
+if test_have_prereq CASE_INSENSITIVE_FS
+then
+	skip_all='skipping P4 case-folding tests; case insensitive file system detected'
+	test_done
+fi
+
 test_expect_success 'start p4d with case folding enabled' '
 	start_p4d -C1
 '