diff --git a/t/annotate-tests.sh b/t/annotate-tests.sh
index 093832fef1..a669f62beb 100644
--- a/t/annotate-tests.sh
+++ b/t/annotate-tests.sh
@@ -274,27 +274,27 @@ test_expect_success 'blame -L X,-N' '
 '
 
 test_expect_success 'blame -L /RE/ (RE to end)' '
-	check_count -L/evil/ C 1 "A U Thor" 1
+	check_count -L/\;*evil/ C 1 "A U Thor" 1
 '
 
 test_expect_success 'blame -L /RE/,/RE2/' '
-	check_count -L/robot/,/green/ A 1 B 1 B2 1 D 1 E 1
+	check_count -L/\;*robot/,/\;*green/ A 1 B 1 B2 1 D 1 E 1
 '
 
 test_expect_success 'blame -L X,/RE/' '
-	check_count -L5,/evil/ B1 1 D 1 "A U Thor" 1
+	check_count -L5,/\;*evil/ B1 1 D 1 "A U Thor" 1
 '
 
 test_expect_success 'blame -L /RE/,Y' '
-	check_count -L/99/,7 B1 1 D 1 "A U Thor" 1
+	check_count -L/\;*99/,7 B1 1 D 1 "A U Thor" 1
 '
 
 test_expect_success 'blame -L /RE/,+N' '
-	check_count -L/99/,+3 B1 1 D 1 "A U Thor" 1
+	check_count -L/\;*99/,+3 B1 1 D 1 "A U Thor" 1
 '
 
 test_expect_success 'blame -L /RE/,-N' '
-	check_count -L/99/,-3 B 1 B2 1 D 1
+	check_count -L/\;*99/,-3 B 1 B2 1 D 1
 '
 
 # 'file' ends with an incomplete line, so 'wc' reports one fewer lines than
@@ -360,19 +360,19 @@ test_expect_success 'blame -L multiple (superset/subset: unordered)' '
 '
 
 test_expect_success 'blame -L /RE/ (relative)' '
-	check_count -L3,3 -L/fox/ B1 1 B2 1 C 1 D 1 "A U Thor" 1
+	check_count -L3,3 -L/\;*fox/ B1 1 B2 1 C 1 D 1 "A U Thor" 1
 '
 
 test_expect_success 'blame -L /RE/ (relative: no preceding range)' '
-	check_count -L/dog/ A 1 B 1 B1 1 B2 1 C 1 D 1 "A U Thor" 1
+	check_count -L/\;*dog/ A 1 B 1 B1 1 B2 1 C 1 D 1 "A U Thor" 1
 '
 
 test_expect_success 'blame -L /RE/ (relative: adjacent)' '
-	check_count -L1,1 -L/dog/,+1 A 1 E 1
+	check_count -L1,1 -L/\;*dog/,+1 A 1 E 1
 '
 
 test_expect_success 'blame -L /RE/ (relative: not found)' '
-	test_must_fail $PROG -L4,4 -L/dog/ file
+	test_must_fail $PROG -L4,4 -L/\;*dog/ file
 '
 
 test_expect_success 'blame -L /RE/ (relative: end-of-file)' '
@@ -380,11 +380,11 @@ test_expect_success 'blame -L /RE/ (relative: end-of-file)' '
 '
 
 test_expect_success 'blame -L ^/RE/ (absolute)' '
-	check_count -L3,3 -L^/dog/,+2 A 1 B2 1
+	check_count -L3,3 -L^/\;*dog/,+2 A 1 B2 1
 '
 
 test_expect_success 'blame -L ^/RE/ (absolute: no preceding range)' '
-	check_count -L^/dog/,+2 A 1 B2 1
+	check_count -L^/\;*dog/,+2 A 1 B2 1
 '
 
 test_expect_success 'blame -L ^/RE/ (absolute: not found)' '
diff --git a/t/t0021-conversion.sh b/t/t0021-conversion.sh
index 7bac2bcf26..35a0e5c4aa 100755
--- a/t/t0021-conversion.sh
+++ b/t/t0021-conversion.sh
@@ -214,7 +214,7 @@ test_expect_success 'filter that does not read is fine' '
 	test_cmp expect actual
 '
 
-test_expect_success EXPENSIVE 'filter large file' '
+test_expect_success EXPENSIVE,!MINGW 'filter large file' '
 	git config filter.largefile.smudge cat &&
 	git config filter.largefile.clean cat &&
 	for i in $(test_seq 1 2048); do printf "%1048576d" 1; done >2GB &&
diff --git a/t/t0027-auto-crlf.sh b/t/t0027-auto-crlf.sh
index f33962b178..415c63556e 100755
--- a/t/t0027-auto-crlf.sh
+++ b/t/t0027-auto-crlf.sh
@@ -4,9 +4,9 @@ test_description='CRLF conversion all combinations'
 
 . ./test-lib.sh
 
-if ! test_have_prereq EXPENSIVE
+if ! test_have_prereq EXPENSIVE && ! test_have_prereq MINGW
 then
-	skip_all="EXPENSIVE not set"
+	skip_all="Neither EXPENSIVE nor MINGW set"
 	test_done
 fi
 
diff --git a/t/t0302-credential-store.sh b/t/t0302-credential-store.sh
index 1d8d1f210b..d6b54e8c65 100755
--- a/t/t0302-credential-store.sh
+++ b/t/t0302-credential-store.sh
@@ -37,7 +37,7 @@ helper_test store
 unset XDG_CONFIG_HOME
 
 test_expect_success 'if custom xdg file exists, home and xdg files not created' '
-	test_when_finished "rm -f $HOME/xdg/git/credentials" &&
+	test_when_finished "rm -f \"$HOME/xdg/git/credentials\"" &&
 	test -s "$HOME/xdg/git/credentials" &&
 	test_path_is_missing "$HOME/.git-credentials" &&
 	test_path_is_missing "$HOME/.config/git/credentials"
diff --git a/t/t1501-work-tree.sh b/t/t1501-work-tree.sh
index cc5b870e58..afce274133 100755
--- a/t/t1501-work-tree.sh
+++ b/t/t1501-work-tree.sh
@@ -339,6 +339,10 @@ test_expect_success 'make_relative_path handles double slashes in GIT_DIR' '
 	git --git-dir="$(pwd)//repo.git" --work-tree="$(pwd)" add dummy_file
 '
 
+test_have_prereq MINGW &&
+# make sure to test DOS path on Windows
+TRASH_DIRECTORY="$(cd "$TRASH_DIRECTORY" && pwd)"
+
 test_expect_success 'relative $GIT_WORK_TREE and git subprocesses' '
 	GIT_DIR=repo.git GIT_WORK_TREE=repo.git/work \
 	test-subprocess --setup-work-tree rev-parse --show-toplevel >actual &&
diff --git a/t/t3404-rebase-interactive.sh b/t/t3404-rebase-interactive.sh
index 544f9ad508..11dde66010 100755
--- a/t/t3404-rebase-interactive.sh
+++ b/t/t3404-rebase-interactive.sh
@@ -62,7 +62,7 @@ test_expect_success 'setup' '
 
 # "exec" commands are ran with the user shell by default, but this may
 # be non-POSIX. For example, if SHELL=zsh then ">file" doesn't work
-# to create a file. Unseting SHELL avoids such non-portable behavior
+# to create a file. Unsetting SHELL avoids such non-portable behavior
 # in tests. It must be exported for it to take effect where needed.
 SHELL=
 export SHELL
diff --git a/t/t3900-i18n-commit.sh b/t/t3900-i18n-commit.sh
index 4bf1dbe9c9..4b62fa79b1 100755
--- a/t/t3900-i18n-commit.sh
+++ b/t/t3900-i18n-commit.sh
@@ -40,7 +40,7 @@ test_expect_success 'UTF-16 refused because of NULs' '
 '
 
 test_expect_success 'UTF-8 invalid characters refused' '
-	test_when_finished "rm -f $HOME/stderr $HOME/invalid" &&
+	test_when_finished "rm -f \"$HOME/stderr $HOME/invalid\"" &&
 	echo "UTF-8 characters" >F &&
 	printf "Commit message\n\nInvalid surrogate:\355\240\200\n" \
 		>"$HOME/invalid" &&
@@ -49,7 +49,7 @@ test_expect_success 'UTF-8 invalid characters refused' '
 '
 
 test_expect_success 'UTF-8 overlong sequences rejected' '
-	test_when_finished "rm -f $HOME/stderr $HOME/invalid" &&
+	test_when_finished "rm -f \"$HOME/stderr $HOME/invalid\"" &&
 	rm -f "$HOME/stderr" "$HOME/invalid" &&
 	echo "UTF-8 overlong" >F &&
 	printf "\340\202\251ommit message\n\nThis is not a space:\300\240\n" \
@@ -59,7 +59,7 @@ test_expect_success 'UTF-8 overlong sequences rejected' '
 '
 
 test_expect_success 'UTF-8 non-characters refused' '
-	test_when_finished "rm -f $HOME/stderr $HOME/invalid" &&
+	test_when_finished "rm -f \"$HOME/stderr $HOME/invalid\"" &&
 	echo "UTF-8 non-character 1" >F &&
 	printf "Commit message\n\nNon-character:\364\217\277\276\n" \
 		>"$HOME/invalid" &&
@@ -68,7 +68,7 @@ test_expect_success 'UTF-8 non-characters refused' '
 '
 
 test_expect_success 'UTF-8 non-characters refused' '
-	test_when_finished "rm -f $HOME/stderr $HOME/invalid" &&
+	test_when_finished "rm -f \"$HOME/stderr $HOME/invalid\"" &&
 	echo "UTF-8 non-character 2." >F &&
 	printf "Commit message\n\nNon-character:\357\267\220\n" \
 		>"$HOME/invalid" &&
diff --git a/t/t5503-tagfollow.sh b/t/t5503-tagfollow.sh
index 4ca48f0276..d2b86594ff 100755
--- a/t/t5503-tagfollow.sh
+++ b/t/t5503-tagfollow.sh
@@ -52,7 +52,7 @@ get_needs () {
 	' "$1"
 }
 
-test_expect_success 'fetch A (new commit : 1 connection)' '
+test_expect_failure 'fetch A (new commit : 1 connection)' ' # TODO known breakage
 	rm -f $U &&
 	(
 		cd cloned &&
@@ -82,7 +82,7 @@ want $T
 EOF
 '
 
-test_expect_success 'fetch C, T (new branch, tag : 1 connection)' '
+test_expect_failure 'fetch C, T (new branch, tag : 1 connection)' ' # TODO known breakage
 	rm -f $U &&
 	(
 		cd cloned &&
@@ -118,7 +118,7 @@ want $S
 EOF
 '
 
-test_expect_success 'fetch B, S (commit and tag : 1 connection)' '
+test_expect_failure 'fetch B, S (commit and tag : 1 connection)' ' # TODO known breakage
 	rm -f $U &&
 	(
 		cd cloned &&
diff --git a/t/t7001-mv.sh b/t/t7001-mv.sh
index 4008faead8..d62132bf4e 100755
--- a/t/t7001-mv.sh
+++ b/t/t7001-mv.sh
@@ -305,7 +305,7 @@ test_expect_success 'git mv moves a submodule with a .git directory and no .gitm
 	(
 		cd sub &&
 		rm -f .git &&
-		cp -R -P -p ../.git/modules/sub .git &&
+		cp -a ../.git/modules/sub .git &&
 		GIT_WORK_TREE=. git config --unset core.worktree
 	) &&
 	mkdir mod &&
@@ -328,7 +328,7 @@ test_expect_success 'git mv moves a submodule with a .git directory and .gitmodu
 	(
 		cd sub &&
 		rm -f .git &&
-		cp -R -P -p ../.git/modules/sub .git &&
+		cp -a ../.git/modules/sub .git &&
 		GIT_WORK_TREE=. git config --unset core.worktree
 	) &&
 	mkdir mod &&
diff --git a/t/t9020-remote-svn.sh b/t/t9020-remote-svn.sh
index 4d81ba1c2c..7e54d26ced 100755
--- a/t/t9020-remote-svn.sh
+++ b/t/t9020-remote-svn.sh
@@ -12,6 +12,12 @@ then
 	test_done
 fi
 
+if test_have_prereq MINGW
+then
+	skip_all='skipping remote-svn tests for lack of POSIX'
+	test_done
+fi
+
 # Override svnrdump with our simulator
 PATH="$HOME:$PATH"
 export PATH PYTHON_PATH GIT_BUILD_DIR
diff --git a/t/t9350-fast-export.sh b/t/t9350-fast-export.sh
index b5149fde6e..d5fab265cb 100755
--- a/t/t9350-fast-export.sh
+++ b/t/t9350-fast-export.sh
@@ -522,4 +522,15 @@ test_expect_success 'delete refspec' '
 	test_cmp expected actual
 '
 
+cat > expected << EOF
+reset refs/heads/master
+from $(git rev-parse master)
+
+EOF
+
+test_expect_failure 'refs are updated even if no commits need to be exported' '
+	git fast-export master..master > actual &&
+	test_cmp expected actual
+'
+
 test_done