23 files changed, 1021 insertions, 148 deletions

diff --git a/t/lib-git-p4.sh b/t/lib-git-p4.sh
index 5aa8adcf9c..75482254a3 100644
--- a/t/lib-git-p4.sh
+++ b/t/lib-git-p4.sh
@@ -69,7 +69,7 @@ start_p4d() {
 	(
 		cd "$db" &&
 		{
-			p4d -q -p $P4DPORT &
+			p4d -q -p $P4DPORT "$@" &
 			echo $! >"$pidfile"
 		}
 	) &&
diff --git a/t/t0027-auto-crlf.sh b/t/t0027-auto-crlf.sh
index 452320df83..1a56e5e82e 100755
--- a/t/t0027-auto-crlf.sh
+++ b/t/t0027-auto-crlf.sh
@@ -57,28 +57,35 @@ create_gitattributes () {
 
 check_warning () {
 	case "$1" in
-	LF_CRLF) grep "LF will be replaced by CRLF" $2;;
-	CRLF_LF) grep "CRLF will be replaced by LF" $2;;
-	'')
-		>expect
-		grep "will be replaced by" $2 >actual
-		test_cmp expect actual
-		;;
-	*) false ;;
+	LF_CRLF) echo "warning: LF will be replaced by CRLF" >"$2".expect ;;
+	CRLF_LF) echo "warning: CRLF will be replaced by LF" >"$2".expect ;;
+	'')	                                                 >"$2".expect ;;
+	*) echo >&2 "Illegal 1": "$1" ; return false ;;
 	esac
+	grep "will be replaced by" "$2" | sed -e "s/\(.*\) in [^ ]*$/\1/" >"$2".actual
+	test_cmp "$2".expect "$2".actual
 }
 
-create_file_in_repo () {
+commit_check_warn () {
 	crlf=$1
 	attr=$2
 	lfname=$3
 	crlfname=$4
-	lfmixcrlf=$5
-	lfmixcr=$6
-	crlfnul=$7
-	create_gitattributes "$attr" &&
+	repoMIX=$5
+	lfmixcrlf=$6
+	lfmixcr=$7
+	crlfnul=$8
 	pfx=crlf_${crlf}_attr_${attr}
-	for f in LF CRLF LF_mix_CR CRLF_mix_LF CRLF_nul
+	# Special handling for repoMIX: It should already be in the repo
+	# with CRLF
+	f=repoMIX
+	fname=${pfx}_$f.txt
+	echo >.gitattributes &&
+	cp $f $fname &&
+	git -c core.autocrlf=false add $fname 2>"${pfx}_$f.err" &&
+	git commit -m "repoMIX" &&
+	create_gitattributes "$attr" &&
+	for f in LF CRLF repoMIX LF_mix_CR CRLF_mix_LF LF_nul CRLF_nul
 	do
 		fname=${pfx}_$f.txt &&
 		cp $f $fname &&
@@ -109,7 +116,7 @@ check_files_in_repo () {
 }
 
 
-check_files_in_ws () {
+checkout_files () {
 	eol=$1
 	crlf=$2
 	attr=$3
@@ -122,7 +129,7 @@ check_files_in_ws () {
 	git config core.autocrlf $crlf &&
 	pfx=eol_${eol}_crlf_${crlf}_attr_${attr}_ &&
 	src=crlf_false_attr__ &&
-	for f in LF CRLF LF_mix_CR CRLF_mix_LF CRLF_nul
+	for f in LF CRLF LF_mix_CR CRLF_mix_LF LF_nul
 	do
 		rm $src$f.txt &&
 		if test -z "$eol"; then
@@ -144,8 +151,8 @@ check_files_in_ws () {
 	test_expect_success "checkout core.eol=$eol core.autocrlf=$crlf gitattributes=$attr file=LF_mix_CR" "
 		compare_ws_file $pfx $lfmixcr   ${src}LF_mix_CR.txt
 	"
-	test_expect_success "checkout core.eol=$eol core.autocrlf=$crlf gitattributes=$attr file=CRLF_nul" "
-		compare_ws_file $pfx $crlfnul   ${src}CRLF_nul.txt
+	test_expect_success "checkout core.eol=$eol core.autocrlf=$crlf gitattributes=$attr file=LF_nul" "
+		compare_ws_file $pfx $crlfnul   ${src}LF_nul.txt
 	"
 }
 
@@ -157,6 +164,7 @@ test_expect_success 'setup master' '
 	git commit -m "add .gitattributes" "" &&
 	printf "line1\nline2\nline3"     >LF &&
 	printf "line1\r\nline2\r\nline3" >CRLF &&
+	printf "line1\r\nline2\nline3"   >repoMIX &&
 	printf "line1\r\nline2\nline3"   >CRLF_mix_LF &&
 	printf "line1\nline2\rline3"     >LF_mix_CR &&
 	printf "line1\r\nline2\rline3"   >CRLF_mix_CR &&
@@ -169,40 +177,55 @@ test_expect_success 'setup master' '
 warn_LF_CRLF="LF will be replaced by CRLF"
 warn_CRLF_LF="CRLF will be replaced by LF"
 
-test_expect_success 'add files empty attr' '
-	create_file_in_repo false ""     ""        ""        ""        ""        "" &&
-	create_file_in_repo true  ""     "LF_CRLF" ""        "LF_CRLF" ""        "" &&
-	create_file_in_repo input ""     ""        "CRLF_LF" "CRLF_LF" ""        ""
+# WILC stands for "Warn if (this OS) converts LF into CRLF".
+# WICL: Warn if CRLF becomes LF
+# WAMIX: Mixed line endings: either CRLF->LF or LF->CRLF
+if test_have_prereq NATIVE_CRLF
+then
+	WILC=LF_CRLF
+	WICL=
+	WAMIX=LF_CRLF
+else
+	WILC=
+	WICL=CRLF_LF
+	WAMIX=CRLF_LF
+fi
+
+#                         attr   LF        CRLF      repoMIX   CRLFmixLF LFmixCR   CRLFNUL
+test_expect_success 'commit files empty attr' '
+	commit_check_warn false ""     ""        ""        ""        ""        ""        "" &&
+	commit_check_warn true  ""     "LF_CRLF" ""        "LF_CRLF" "LF_CRLF" ""        "" &&
+	commit_check_warn input ""     ""        "CRLF_LF" "CRLF_LF" "CRLF_LF" ""        ""
 '
 
-test_expect_success 'add files attr=auto' '
-	create_file_in_repo false "auto" ""        "CRLF_LF" "CRLF_LF" ""        "" &&
-	create_file_in_repo true  "auto" "LF_CRLF" ""        "LF_CRLF" ""        "" &&
-	create_file_in_repo input "auto" ""        "CRLF_LF" "CRLF_LF" ""        ""
+test_expect_success 'commit files attr=auto' '
+	commit_check_warn false "auto" "$WILC"   "$WICL"   "$WAMIX"  "$WAMIX"  ""        "" &&
+	commit_check_warn true  "auto" "LF_CRLF" ""        "LF_CRLF" "LF_CRLF" ""        "" &&
+	commit_check_warn input "auto" ""        "CRLF_LF" "CRLF_LF" "CRLF_LF" ""        ""
 '
 
-test_expect_success 'add files attr=text' '
-	create_file_in_repo false "text" ""        "CRLF_LF" "CRLF_LF" ""        "CRLF_LF" &&
-	create_file_in_repo true  "text" "LF_CRLF" ""        "LF_CRLF" "LF_CRLF" ""        &&
-	create_file_in_repo input "text" ""        "CRLF_LF" "CRLF_LF" ""        "CRLF_LF"
+test_expect_success 'commit files attr=text' '
+	commit_check_warn false "text" "$WILC"   "$WICL"   "$WAMIX"  "$WAMIX"  "$WILC"   "$WICL"   &&
+	commit_check_warn true  "text" "LF_CRLF" ""        "LF_CRLF" "LF_CRLF" "LF_CRLF" ""        &&
+	commit_check_warn input "text" ""        "CRLF_LF" "CRLF_LF" "CRLF_LF" ""        "CRLF_LF"
 '
 
-test_expect_success 'add files attr=-text' '
-	create_file_in_repo false "-text" ""       ""        ""        ""        "" &&
-	create_file_in_repo true  "-text" ""       ""        ""        ""        "" &&
-	create_file_in_repo input "-text" ""       ""        ""        ""        ""
+test_expect_success 'commit files attr=-text' '
+	commit_check_warn false "-text" ""       ""        ""        ""        ""        "" &&
+	commit_check_warn true  "-text" ""       ""        ""        ""        ""        "" &&
+	commit_check_warn input "-text" ""       ""        ""        ""        ""        ""
 '
 
-test_expect_success 'add files attr=lf' '
-	create_file_in_repo false "lf"    ""       "CRLF_LF" "CRLF_LF"  ""       "CRLF_LF" &&
-	create_file_in_repo true  "lf"    ""       "CRLF_LF" "CRLF_LF"  ""       "CRLF_LF" &&
-	create_file_in_repo input "lf"    ""       "CRLF_LF" "CRLF_LF"  ""       "CRLF_LF"
+test_expect_success 'commit files attr=lf' '
+	commit_check_warn false "lf"    ""       "CRLF_LF" "CRLF_LF" "CRLF_LF"  ""       "CRLF_LF" &&
+	commit_check_warn true  "lf"    ""       "CRLF_LF" "CRLF_LF" "CRLF_LF"  ""       "CRLF_LF" &&
+	commit_check_warn input "lf"    ""       "CRLF_LF" "CRLF_LF" "CRLF_LF"  ""       "CRLF_LF"
 '
 
-test_expect_success 'add files attr=crlf' '
-	create_file_in_repo false "crlf" "LF_CRLF" ""        "LF_CRLF" "LF_CRLF" "" &&
-	create_file_in_repo true  "crlf" "LF_CRLF" ""        "LF_CRLF" "LF_CRLF" "" &&
-	create_file_in_repo input "crlf" "LF_CRLF" ""        "LF_CRLF" "LF_CRLF" ""
+test_expect_success 'commit files attr=crlf' '
+	commit_check_warn false "crlf" "LF_CRLF" ""        "LF_CRLF" "LF_CRLF" "LF_CRLF" "" &&
+	commit_check_warn true  "crlf" "LF_CRLF" ""        "LF_CRLF" "LF_CRLF" "LF_CRLF" "" &&
+	commit_check_warn input "crlf" "LF_CRLF" ""        "LF_CRLF" "LF_CRLF" "LF_CRLF" ""
 '
 
 test_expect_success 'create files cleanup' '
@@ -237,7 +260,7 @@ test_expect_success 'commit -text' '
 ################################################################################
 # Check how files in the repo are changed when they are checked out
 # How to read the table below:
-# - check_files_in_ws will check multiple files with a combination of settings
+# - checkout_files will check multiple files with a combination of settings
 #   and attributes (core.autocrlf=input is forbidden with core.eol=crlf)
 # - parameter $1 : core.eol               lf | crlf
 # - parameter $2 : core.autocrlf          false | true | input
@@ -249,87 +272,89 @@ test_expect_success 'commit -text' '
 # - parameter $8 : reference for a file with CRLF and a NUL (should be handled as binary when auto)
 
 #                                            What we have in the repo:
-#                														 ----------------- EOL in repo ----------------
-#                														 LF    CRLF  CRLF_mix_LF  LF_mix_CR    CRLF_nul
+#                                            ----------------- EOL in repo ----------------
+#                                            LF    CRLF  CRLF_mix_LF  LF_mix_CR    CRLF_nul
 #                   settings with checkout:
 #                   core.   core.   .gitattr
 #                    eol     acrlf
 #                                            ----------------------------------------------
 #                                            What we want to have in the working tree:
-if test_have_prereq MINGW
+if test_have_prereq NATIVE_CRLF
 then
 MIX_CRLF_LF=CRLF
 MIX_LF_CR=CRLF_mix_CR
 NL=CRLF
+LFNUL=CRLF_nul
 else
 MIX_CRLF_LF=CRLF_mix_LF
 MIX_LF_CR=LF_mix_CR
 NL=LF
+LFNUL=LF_nul
 fi
 export CRLF_MIX_LF_CR MIX NL
 
-check_files_in_ws    lf      false  ""       LF    CRLF  CRLF_mix_LF  LF_mix_CR    CRLF_nul
-check_files_in_ws    lf      true   ""       CRLF  CRLF  CRLF_mix_LF  LF_mix_CR    CRLF_nul
-check_files_in_ws    lf      input  ""       LF    CRLF  CRLF_mix_LF  LF_mix_CR    CRLF_nul
-check_files_in_ws    lf      false "auto"    LF    CRLF  CRLF_mix_LF  LF_mix_CR    CRLF_nul
-check_files_in_ws    lf      true  "auto"    CRLF  CRLF  CRLF         LF_mix_CR    CRLF_nul
-check_files_in_ws    lf      input "auto"    LF    CRLF  CRLF_mix_LF  LF_mix_CR    CRLF_nul
-check_files_in_ws    lf      false "text"    LF    CRLF  CRLF_mix_LF  LF_mix_CR    CRLF_nul
-check_files_in_ws    lf      true  "text"    CRLF  CRLF  CRLF         CRLF_mix_CR  CRLF_nul
-check_files_in_ws    lf      input "text"    LF    CRLF  CRLF_mix_LF  LF_mix_CR    CRLF_nul
-check_files_in_ws    lf      false "-text"   LF    CRLF  CRLF_mix_LF  LF_mix_CR    CRLF_nul
-check_files_in_ws    lf      true  "-text"   LF    CRLF  CRLF_mix_LF  LF_mix_CR    CRLF_nul
-check_files_in_ws    lf      input "-text"   LF    CRLF  CRLF_mix_LF  LF_mix_CR    CRLF_nul
-check_files_in_ws    lf      false "lf"      LF    CRLF  CRLF_mix_LF  LF_mix_CR    CRLF_nul
-check_files_in_ws    lf      true  "lf"      LF    CRLF  CRLF_mix_LF  LF_mix_CR    CRLF_nul
-check_files_in_ws    lf      input "lf"      LF    CRLF  CRLF_mix_LF  LF_mix_CR    CRLF_nul
-check_files_in_ws    lf      false "crlf"    CRLF  CRLF  CRLF         CRLF_mix_CR  CRLF_nul
-check_files_in_ws    lf      true  "crlf"    CRLF  CRLF  CRLF         CRLF_mix_CR  CRLF_nul
-check_files_in_ws    lf      input "crlf"    CRLF  CRLF  CRLF         CRLF_mix_CR  CRLF_nul
-
-check_files_in_ws    crlf    false  ""       LF    CRLF  CRLF_mix_LF  LF_mix_CR    CRLF_nul
-check_files_in_ws    crlf    true   ""       CRLF  CRLF  CRLF_mix_LF  LF_mix_CR    CRLF_nul
-check_files_in_ws    crlf    false "auto"    CRLF  CRLF  CRLF         LF_mix_CR    CRLF_nul
-check_files_in_ws    crlf    true  "auto"    CRLF  CRLF  CRLF         LF_mix_CR    CRLF_nul
-check_files_in_ws    crlf    false "text"    CRLF  CRLF  CRLF         CRLF_mix_CR  CRLF_nul
-check_files_in_ws    crlf    true  "text"    CRLF  CRLF  CRLF         CRLF_mix_CR  CRLF_nul
-check_files_in_ws    crlf    false "-text"   LF    CRLF  CRLF_mix_LF  LF_mix_CR    CRLF_nul
-check_files_in_ws    crlf    true  "-text"   LF    CRLF  CRLF_mix_LF  LF_mix_CR    CRLF_nul
-check_files_in_ws    crlf    false "lf"      LF    CRLF  CRLF_mix_LF  LF_mix_CR    CRLF_nul
-check_files_in_ws    crlf    true  "lf"      LF    CRLF  CRLF_mix_LF  LF_mix_CR    CRLF_nul
-check_files_in_ws    crlf    false "crlf"    CRLF  CRLF  CRLF         CRLF_mix_CR  CRLF_nul
-check_files_in_ws    crlf    true  "crlf"    CRLF  CRLF  CRLF         CRLF_mix_CR  CRLF_nul
-
-check_files_in_ws    ""      false  ""       LF    CRLF  CRLF_mix_LF  LF_mix_CR    CRLF_nul
-check_files_in_ws    ""      true   ""       CRLF  CRLF  CRLF_mix_LF  LF_mix_CR    CRLF_nul
-check_files_in_ws    ""      input  ""       LF    CRLF  CRLF_mix_LF  LF_mix_CR    CRLF_nul
-check_files_in_ws    ""      false "auto"    $NL   CRLF  $MIX_CRLF_LF LF_mix_CR    CRLF_nul
-check_files_in_ws    ""      true  "auto"    CRLF  CRLF  CRLF         LF_mix_CR    CRLF_nul
-check_files_in_ws    ""      input "auto"    LF    CRLF  CRLF_mix_LF  LF_mix_CR    CRLF_nul
-check_files_in_ws    ""      false "text"    $NL   CRLF  $MIX_CRLF_LF $MIX_LF_CR   CRLF_nul
-check_files_in_ws    ""      true  "text"    CRLF  CRLF  CRLF         CRLF_mix_CR  CRLF_nul
-check_files_in_ws    ""      input "text"    LF    CRLF  CRLF_mix_LF  LF_mix_CR    CRLF_nul
-check_files_in_ws    ""      false "-text"   LF    CRLF  CRLF_mix_LF  LF_mix_CR    CRLF_nul
-check_files_in_ws    ""      true  "-text"   LF    CRLF  CRLF_mix_LF  LF_mix_CR    CRLF_nul
-check_files_in_ws    ""      input "-text"   LF    CRLF  CRLF_mix_LF  LF_mix_CR    CRLF_nul
-check_files_in_ws    ""      false "lf"      LF    CRLF  CRLF_mix_LF  LF_mix_CR    CRLF_nul
-check_files_in_ws    ""      true  "lf"      LF    CRLF  CRLF_mix_LF  LF_mix_CR    CRLF_nul
-check_files_in_ws    ""      input "lf"      LF    CRLF  CRLF_mix_LF  LF_mix_CR    CRLF_nul
-check_files_in_ws    ""      false "crlf"    CRLF  CRLF  CRLF         CRLF_mix_CR  CRLF_nul
-check_files_in_ws    ""      true  "crlf"    CRLF  CRLF  CRLF         CRLF_mix_CR  CRLF_nul
-check_files_in_ws    ""      input "crlf"    CRLF  CRLF  CRLF         CRLF_mix_CR  CRLF_nul
-
-check_files_in_ws    native  false  ""       LF    CRLF  CRLF_mix_LF  LF_mix_CR    CRLF_nul
-check_files_in_ws    native  true   ""       CRLF  CRLF  CRLF_mix_LF  LF_mix_CR    CRLF_nul
-check_files_in_ws    native  false "auto"    $NL   CRLF  $MIX_CRLF_LF LF_mix_CR    CRLF_nul
-check_files_in_ws    native  true  "auto"    CRLF  CRLF  CRLF         LF_mix_CR    CRLF_nul
-check_files_in_ws    native  false "text"    $NL   CRLF  $MIX_CRLF_LF $MIX_LF_CR   CRLF_nul
-check_files_in_ws    native  true  "text"    CRLF  CRLF  CRLF         CRLF_mix_CR  CRLF_nul
-check_files_in_ws    native  false "-text"   LF    CRLF  CRLF_mix_LF  LF_mix_CR    CRLF_nul
-check_files_in_ws    native  true  "-text"   LF    CRLF  CRLF_mix_LF  LF_mix_CR    CRLF_nul
-check_files_in_ws    native  false "lf"      LF    CRLF  CRLF_mix_LF  LF_mix_CR    CRLF_nul
-check_files_in_ws    native  true  "lf"      LF    CRLF  CRLF_mix_LF  LF_mix_CR    CRLF_nul
-check_files_in_ws    native  false "crlf"    CRLF  CRLF  CRLF         CRLF_mix_CR  CRLF_nul
-check_files_in_ws    native  true  "crlf"    CRLF  CRLF  CRLF         CRLF_mix_CR  CRLF_nul
+checkout_files    lf      false  ""       LF    CRLF  CRLF_mix_LF  LF_mix_CR    LF_nul
+checkout_files    lf      true   ""       CRLF  CRLF  CRLF_mix_LF  LF_mix_CR    LF_nul
+checkout_files    lf      input  ""       LF    CRLF  CRLF_mix_LF  LF_mix_CR    LF_nul
+checkout_files    lf      false "auto"    LF    CRLF  CRLF_mix_LF  LF_mix_CR    LF_nul
+checkout_files    lf      true  "auto"    CRLF  CRLF  CRLF         LF_mix_CR    LF_nul
+checkout_files    lf      input "auto"    LF    CRLF  CRLF_mix_LF  LF_mix_CR    LF_nul
+checkout_files    lf      false "text"    LF    CRLF  CRLF_mix_LF  LF_mix_CR    LF_nul
+checkout_files    lf      true  "text"    CRLF  CRLF  CRLF         CRLF_mix_CR  CRLF_nul
+checkout_files    lf      input "text"    LF    CRLF  CRLF_mix_LF  LF_mix_CR    LF_nul
+checkout_files    lf      false "-text"   LF    CRLF  CRLF_mix_LF  LF_mix_CR    LF_nul
+checkout_files    lf      true  "-text"   LF    CRLF  CRLF_mix_LF  LF_mix_CR    LF_nul
+checkout_files    lf      input "-text"   LF    CRLF  CRLF_mix_LF  LF_mix_CR    LF_nul
+checkout_files    lf      false "lf"      LF    CRLF  CRLF_mix_LF  LF_mix_CR    LF_nul
+checkout_files    lf      true  "lf"      LF    CRLF  CRLF_mix_LF  LF_mix_CR    LF_nul
+checkout_files    lf      input "lf"      LF    CRLF  CRLF_mix_LF  LF_mix_CR    LF_nul
+checkout_files    lf      false "crlf"    CRLF  CRLF  CRLF         CRLF_mix_CR  CRLF_nul
+checkout_files    lf      true  "crlf"    CRLF  CRLF  CRLF         CRLF_mix_CR  CRLF_nul
+checkout_files    lf      input "crlf"    CRLF  CRLF  CRLF         CRLF_mix_CR  CRLF_nul
+
+checkout_files    crlf    false  ""       LF    CRLF  CRLF_mix_LF  LF_mix_CR    LF_nul
+checkout_files    crlf    true   ""       CRLF  CRLF  CRLF_mix_LF  LF_mix_CR    LF_nul
+checkout_files    crlf    false "auto"    CRLF  CRLF  CRLF         LF_mix_CR    LF_nul
+checkout_files    crlf    true  "auto"    CRLF  CRLF  CRLF         LF_mix_CR    LF_nul
+checkout_files    crlf    false "text"    CRLF  CRLF  CRLF         CRLF_mix_CR  CRLF_nul
+checkout_files    crlf    true  "text"    CRLF  CRLF  CRLF         CRLF_mix_CR  CRLF_nul
+checkout_files    crlf    false "-text"   LF    CRLF  CRLF_mix_LF  LF_mix_CR    LF_nul
+checkout_files    crlf    true  "-text"   LF    CRLF  CRLF_mix_LF  LF_mix_CR    LF_nul
+checkout_files    crlf    false "lf"      LF    CRLF  CRLF_mix_LF  LF_mix_CR    LF_nul
+checkout_files    crlf    true  "lf"      LF    CRLF  CRLF_mix_LF  LF_mix_CR    LF_nul
+checkout_files    crlf    false "crlf"    CRLF  CRLF  CRLF         CRLF_mix_CR  CRLF_nul
+checkout_files    crlf    true  "crlf"    CRLF  CRLF  CRLF         CRLF_mix_CR  CRLF_nul
+
+checkout_files    ""      false  ""       LF    CRLF  CRLF_mix_LF  LF_mix_CR    LF_nul
+checkout_files    ""      true   ""       CRLF  CRLF  CRLF_mix_LF  LF_mix_CR    LF_nul
+checkout_files    ""      input  ""       LF    CRLF  CRLF_mix_LF  LF_mix_CR    LF_nul
+checkout_files    ""      false "auto"    $NL   CRLF  $MIX_CRLF_LF LF_mix_CR    LF_nul
+checkout_files    ""      true  "auto"    CRLF  CRLF  CRLF         LF_mix_CR    LF_nul
+checkout_files    ""      input "auto"    LF    CRLF  CRLF_mix_LF  LF_mix_CR    LF_nul
+checkout_files    ""      false "text"    $NL   CRLF  $MIX_CRLF_LF $MIX_LF_CR   $LFNUL
+checkout_files    ""      true  "text"    CRLF  CRLF  CRLF         CRLF_mix_CR  CRLF_nul
+checkout_files    ""      input "text"    LF    CRLF  CRLF_mix_LF  LF_mix_CR    LF_nul
+checkout_files    ""      false "-text"   LF    CRLF  CRLF_mix_LF  LF_mix_CR    LF_nul
+checkout_files    ""      true  "-text"   LF    CRLF  CRLF_mix_LF  LF_mix_CR    LF_nul
+checkout_files    ""      input "-text"   LF    CRLF  CRLF_mix_LF  LF_mix_CR    LF_nul
+checkout_files    ""      false "lf"      LF    CRLF  CRLF_mix_LF  LF_mix_CR    LF_nul
+checkout_files    ""      true  "lf"      LF    CRLF  CRLF_mix_LF  LF_mix_CR    LF_nul
+checkout_files    ""      input "lf"      LF    CRLF  CRLF_mix_LF  LF_mix_CR    LF_nul
+checkout_files    ""      false "crlf"    CRLF  CRLF  CRLF         CRLF_mix_CR  CRLF_nul
+checkout_files    ""      true  "crlf"    CRLF  CRLF  CRLF         CRLF_mix_CR  CRLF_nul
+checkout_files    ""      input "crlf"    CRLF  CRLF  CRLF         CRLF_mix_CR  CRLF_nul
+
+checkout_files    native  false  ""       LF    CRLF  CRLF_mix_LF  LF_mix_CR    LF_nul
+checkout_files    native  true   ""       CRLF  CRLF  CRLF_mix_LF  LF_mix_CR    LF_nul
+checkout_files    native  false "auto"    $NL   CRLF  $MIX_CRLF_LF LF_mix_CR    LF_nul
+checkout_files    native  true  "auto"    CRLF  CRLF  CRLF         LF_mix_CR    LF_nul
+checkout_files    native  false "text"    $NL   CRLF  $MIX_CRLF_LF $MIX_LF_CR   $LFNUL
+checkout_files    native  true  "text"    CRLF  CRLF  CRLF         CRLF_mix_CR  CRLF_nul
+checkout_files    native  false "-text"   LF    CRLF  CRLF_mix_LF  LF_mix_CR    LF_nul
+checkout_files    native  true  "-text"   LF    CRLF  CRLF_mix_LF  LF_mix_CR    LF_nul
+checkout_files    native  false "lf"      LF    CRLF  CRLF_mix_LF  LF_mix_CR    LF_nul
+checkout_files    native  true  "lf"      LF    CRLF  CRLF_mix_LF  LF_mix_CR    LF_nul
+checkout_files    native  false "crlf"    CRLF  CRLF  CRLF         CRLF_mix_CR  CRLF_nul
+checkout_files    native  true  "crlf"    CRLF  CRLF  CRLF         CRLF_mix_CR  CRLF_nul
 
 test_done
diff --git a/t/t0060-path-utils.sh b/t/t0060-path-utils.sh
index c0143a0a70..93605f42f2 100755
--- a/t/t0060-path-utils.sh
+++ b/t/t0060-path-utils.sh
@@ -19,6 +19,14 @@ relative_path() {
 	"test \"\$(test-path-utils relative_path '$1' '$2')\" = '$expected'"
 }
 
+test_git_path() {
+	test_expect_success "git-path $1 $2 => $3" "
+		$1 git rev-parse --git-path $2 >actual &&
+		echo $3 >expect &&
+		test_cmp expect actual
+	"
+}
+
 # On Windows, we are using MSYS's bash, which mangles the paths.
 # Absolute paths are anchored at the MSYS installation directory,
 # which means that the path / accounts for this many characters:
@@ -244,4 +252,32 @@ relative_path "<null>"		"<empty>"	./
 relative_path "<null>"		"<null>"	./
 relative_path "<null>"		/foo/a/b	./
 
+test_git_path A=B                info/grafts .git/info/grafts
+test_git_path GIT_GRAFT_FILE=foo info/grafts foo
+test_git_path GIT_GRAFT_FILE=foo info/////grafts foo
+test_git_path GIT_INDEX_FILE=foo index foo
+test_git_path GIT_INDEX_FILE=foo index/foo .git/index/foo
+test_git_path GIT_INDEX_FILE=foo index2 .git/index2
+test_expect_success 'setup fake objects directory foo' 'mkdir foo'
+test_git_path GIT_OBJECT_DIRECTORY=foo objects foo
+test_git_path GIT_OBJECT_DIRECTORY=foo objects/foo foo/foo
+test_git_path GIT_OBJECT_DIRECTORY=foo objects2 .git/objects2
+test_expect_success 'setup common repository' 'git --git-dir=bar init'
+test_git_path GIT_COMMON_DIR=bar index                    .git/index
+test_git_path GIT_COMMON_DIR=bar HEAD                     .git/HEAD
+test_git_path GIT_COMMON_DIR=bar logs/HEAD                .git/logs/HEAD
+test_git_path GIT_COMMON_DIR=bar objects                  bar/objects
+test_git_path GIT_COMMON_DIR=bar objects/bar              bar/objects/bar
+test_git_path GIT_COMMON_DIR=bar info/exclude             bar/info/exclude
+test_git_path GIT_COMMON_DIR=bar info/grafts              bar/info/grafts
+test_git_path GIT_COMMON_DIR=bar info/sparse-checkout     .git/info/sparse-checkout
+test_git_path GIT_COMMON_DIR=bar remotes/bar              bar/remotes/bar
+test_git_path GIT_COMMON_DIR=bar branches/bar             bar/branches/bar
+test_git_path GIT_COMMON_DIR=bar logs/refs/heads/master   bar/logs/refs/heads/master
+test_git_path GIT_COMMON_DIR=bar refs/heads/master        bar/refs/heads/master
+test_git_path GIT_COMMON_DIR=bar hooks/me                 bar/hooks/me
+test_git_path GIT_COMMON_DIR=bar config                   bar/config
+test_git_path GIT_COMMON_DIR=bar packed-refs              bar/packed-refs
+test_git_path GIT_COMMON_DIR=bar shallow                  bar/shallow
+
 test_done
diff --git a/t/t0302-credential-store.sh b/t/t0302-credential-store.sh
index f61b40c69b..0979df93a1 100755
--- a/t/t0302-credential-store.sh
+++ b/t/t0302-credential-store.sh
@@ -6,4 +6,118 @@ test_description='credential-store tests'
 
 helper_test store
 
+test_expect_success 'when xdg file does not exist, xdg file not created' '
+	test_path_is_missing "$HOME/.config/git/credentials" &&
+	test -s "$HOME/.git-credentials"
+'
+
+test_expect_success 'setup xdg file' '
+	rm -f "$HOME/.git-credentials" &&
+	mkdir -p "$HOME/.config/git" &&
+	>"$HOME/.config/git/credentials"
+'
+
+helper_test store
+
+test_expect_success 'when xdg file exists, home file not created' '
+	test -s "$HOME/.config/git/credentials" &&
+	test_path_is_missing "$HOME/.git-credentials"
+'
+
+test_expect_success 'setup custom xdg file' '
+	rm -f "$HOME/.git-credentials" &&
+	rm -f "$HOME/.config/git/credentials" &&
+	mkdir -p "$HOME/xdg/git" &&
+	>"$HOME/xdg/git/credentials"
+'
+
+XDG_CONFIG_HOME="$HOME/xdg"
+export XDG_CONFIG_HOME
+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 $HOME/xdg/git/credentials" &&
+	test -s "$HOME/xdg/git/credentials" &&
+	test_path_is_missing "$HOME/.git-credentials" &&
+	test_path_is_missing "$HOME/.config/git/credentials"
+'
+
+test_expect_success 'get: use home file if both home and xdg files have matches' '
+	echo "https://home-user:home-pass@example.com" >"$HOME/.git-credentials" &&
+	mkdir -p "$HOME/.config/git" &&
+	echo "https://xdg-user:xdg-pass@example.com" >"$HOME/.config/git/credentials" &&
+	check fill store <<-\EOF
+	protocol=https
+	host=example.com
+	--
+	protocol=https
+	host=example.com
+	username=home-user
+	password=home-pass
+	--
+	EOF
+'
+
+test_expect_success 'get: use xdg file if home file has no matches' '
+	>"$HOME/.git-credentials" &&
+	mkdir -p "$HOME/.config/git" &&
+	echo "https://xdg-user:xdg-pass@example.com" >"$HOME/.config/git/credentials" &&
+	check fill store <<-\EOF
+	protocol=https
+	host=example.com
+	--
+	protocol=https
+	host=example.com
+	username=xdg-user
+	password=xdg-pass
+	--
+	EOF
+'
+
+test_expect_success POSIXPERM 'get: use xdg file if home file is unreadable' '
+	echo "https://home-user:home-pass@example.com" >"$HOME/.git-credentials" &&
+	chmod -r "$HOME/.git-credentials" &&
+	mkdir -p "$HOME/.config/git" &&
+	echo "https://xdg-user:xdg-pass@example.com" >"$HOME/.config/git/credentials" &&
+	check fill store <<-\EOF
+	protocol=https
+	host=example.com
+	--
+	protocol=https
+	host=example.com
+	username=xdg-user
+	password=xdg-pass
+	--
+	EOF
+'
+
+test_expect_success 'store: if both xdg and home files exist, only store in home file' '
+	>"$HOME/.git-credentials" &&
+	mkdir -p "$HOME/.config/git" &&
+	>"$HOME/.config/git/credentials" &&
+	check approve store <<-\EOF &&
+	protocol=https
+	host=example.com
+	username=store-user
+	password=store-pass
+	EOF
+	echo "https://store-user:store-pass@example.com" >expected &&
+	test_cmp expected "$HOME/.git-credentials" &&
+	test_must_be_empty "$HOME/.config/git/credentials"
+'
+
+
+test_expect_success 'erase: erase matching credentials from both xdg and home files' '
+	echo "https://home-user:home-pass@example.com" >"$HOME/.git-credentials" &&
+	mkdir -p "$HOME/.config/git" &&
+	echo "https://xdg-user:xdg-pass@example.com" >"$HOME/.config/git/credentials" &&
+	check reject store <<-\EOF &&
+	protocol=https
+	host=example.com
+	EOF
+	test_must_be_empty "$HOME/.git-credentials" &&
+	test_must_be_empty "$HOME/.config/git/credentials"
+'
+
 test_done
diff --git a/t/t1007-hash-object.sh b/t/t1007-hash-object.sh
index f83df8eb8b..7d2baa15bb 100755
--- a/t/t1007-hash-object.sh
+++ b/t/t1007-hash-object.sh
@@ -201,4 +201,23 @@ test_expect_success 'corrupt tag' '
 	test_must_fail git hash-object -t tag --stdin </dev/null
 '
 
+test_expect_success 'hash-object complains about bogus type name' '
+	test_must_fail git hash-object -t bogus --stdin </dev/null
+'
+
+test_expect_success 'hash-object complains about truncated type name' '
+	test_must_fail git hash-object -t bl --stdin </dev/null
+'
+
+test_expect_success '--literally' '
+	t=1234567890 &&
+	echo example | git hash-object -t $t --literally --stdin
+'
+
+test_expect_success '--literally with extra-long type' '
+	t=12345678901234567890123456789012345678901234567890 &&
+	t="$t$t$t$t$t$t$t$t$t$t$t$t$t$t$t$t$t$t$t$t$t$t$t$t$t$t$t$t$t$t" &&
+	echo example | git hash-object -t $t --literally --stdin
+'
+
 test_done
diff --git a/t/t1430-bad-ref-name.sh b/t/t1430-bad-ref-name.sh
index 468e85621a..16d0b8bd1a 100755
--- a/t/t1430-bad-ref-name.sh
+++ b/t/t1430-bad-ref-name.sh
@@ -68,6 +68,14 @@ test_expect_success 'branch -D cannot delete non-ref in .git dir' '
 	test_cmp expect .git/my-private-file
 '
 
+test_expect_success 'branch -D cannot delete ref in .git dir' '
+	git rev-parse HEAD >.git/my-private-file &&
+	git rev-parse HEAD >expect &&
+	git branch foo/legit &&
+	test_must_fail git branch -D foo////./././../../../my-private-file &&
+	test_cmp expect .git/my-private-file
+'
+
 test_expect_success 'branch -D cannot delete absolute path' '
 	git branch -f extra &&
 	test_must_fail git branch -D "$(pwd)/.git/refs/heads/extra" &&
diff --git a/t/t1501-worktree.sh b/t/t1501-worktree.sh
index 8f36aa9fc4..cc5b870e58 100755
--- a/t/t1501-worktree.sh
+++ b/t/t1501-worktree.sh
@@ -346,4 +346,81 @@ test_expect_success 'relative $GIT_WORK_TREE and git subprocesses' '
 	test_cmp expected actual
 '
 
+test_expect_success 'Multi-worktree setup' '
+	mkdir work &&
+	mkdir -p repo.git/repos/foo &&
+	cp repo.git/HEAD repo.git/index repo.git/repos/foo &&
+	test_might_fail cp repo.git/sharedindex.* repo.git/repos/foo &&
+	sane_unset GIT_DIR GIT_CONFIG GIT_WORK_TREE
+'
+
+test_expect_success 'GIT_DIR set (1)' '
+	echo "gitdir: repo.git/repos/foo" >gitfile &&
+	echo ../.. >repo.git/repos/foo/commondir &&
+	(
+		cd work &&
+		GIT_DIR=../gitfile git rev-parse --git-common-dir >actual &&
+		test-path-utils real_path "$TRASH_DIRECTORY/repo.git" >expect &&
+		test_cmp expect actual
+	)
+'
+
+test_expect_success 'GIT_DIR set (2)' '
+	echo "gitdir: repo.git/repos/foo" >gitfile &&
+	echo "$(pwd)/repo.git" >repo.git/repos/foo/commondir &&
+	(
+		cd work &&
+		GIT_DIR=../gitfile git rev-parse --git-common-dir >actual &&
+		test-path-utils real_path "$TRASH_DIRECTORY/repo.git" >expect &&
+		test_cmp expect actual
+	)
+'
+
+test_expect_success 'Auto discovery' '
+	echo "gitdir: repo.git/repos/foo" >.git &&
+	echo ../.. >repo.git/repos/foo/commondir &&
+	(
+		cd work &&
+		git rev-parse --git-common-dir >actual &&
+		test-path-utils real_path "$TRASH_DIRECTORY/repo.git" >expect &&
+		test_cmp expect actual &&
+		echo haha >data1 &&
+		git add data1 &&
+		git ls-files --full-name :/ | grep data1 >actual &&
+		echo work/data1 >expect &&
+		test_cmp expect actual
+	)
+'
+
+test_expect_success '$GIT_DIR/common overrides core.worktree' '
+	mkdir elsewhere &&
+	git --git-dir=repo.git config core.worktree "$TRASH_DIRECTORY/elsewhere" &&
+	echo "gitdir: repo.git/repos/foo" >.git &&
+	echo ../.. >repo.git/repos/foo/commondir &&
+	(
+		cd work &&
+		git rev-parse --git-common-dir >actual &&
+		test-path-utils real_path "$TRASH_DIRECTORY/repo.git" >expect &&
+		test_cmp expect actual &&
+		echo haha >data2 &&
+		git add data2 &&
+		git ls-files --full-name :/ | grep data2 >actual &&
+		echo work/data2 >expect &&
+		test_cmp expect actual
+	)
+'
+
+test_expect_success '$GIT_WORK_TREE overrides $GIT_DIR/common' '
+	echo "gitdir: repo.git/repos/foo" >.git &&
+	echo ../.. >repo.git/repos/foo/commondir &&
+	(
+		cd work &&
+		echo haha >data3 &&
+		git --git-dir=../.git --work-tree=. add data3 &&
+		git ls-files --full-name -- :/ | grep data3 >actual &&
+		echo data3 >expect &&
+		test_cmp expect actual
+	)
+'
+
 test_done
diff --git a/t/t1509/prepare-chroot.sh b/t/t1509/prepare-chroot.sh
index 62691172e3..6d47e2c725 100755
--- a/t/t1509/prepare-chroot.sh
+++ b/t/t1509/prepare-chroot.sh
@@ -14,25 +14,45 @@ xmkdir() {
 
 R="$1"
 
+[ "$(id -u)" -eq 0 ] && die "This script should not be run as root, what if it does rm -rf /?"
 [ -n "$R" ] || die "usage: prepare-chroot.sh <root>"
 [ -x git ] || die "This script needs to be executed at git source code's top directory"
-[ -x /bin/busybox ] || die "You need busybox"
+if [ -x /bin/busybox ]; then
+	BB=/bin/busybox
+elif [ -x /usr/bin/busybox ]; then
+	BB=/usr/bin/busybox
+else
+	die "You need busybox"
+fi
 
 xmkdir "$R" "$R/bin" "$R/etc" "$R/lib" "$R/dev"
-[ -c "$R/dev/null" ] || die "/dev/null is missing. Do mknod $R/dev/null c 1 3 && chmod 666 $R/dev/null"
+touch "$R/dev/null"
 echo "root:x:0:0:root:/:/bin/sh" > "$R/etc/passwd"
 echo "$(id -nu):x:$(id -u):$(id -g)::$(pwd)/t:/bin/sh" >> "$R/etc/passwd"
 echo "root::0:root" > "$R/etc/group"
 echo "$(id -ng)::$(id -g):$(id -nu)" >> "$R/etc/group"
 
-[ -x "$R/bin/busybox" ] || cp /bin/busybox "$R/bin/busybox"
-[ -x "$R/bin/sh" ] || ln -s /bin/busybox "$R/bin/sh"
-[ -x "$R/bin/su" ] || ln -s /bin/busybox "$R/bin/su"
+[ -x "$R$BB" ] || cp $BB "$R/bin/busybox"
+for cmd in sh su ls expr tr basename rm mkdir mv id uname dirname cat true sed diff; do
+	ln -f -s /bin/busybox "$R/bin/$cmd"
+done
 
 mkdir -p "$R$(pwd)"
 rsync --exclude-from t/t1509/excludes -Ha . "$R$(pwd)"
-ldd git | grep '/' | sed 's,.*\s\(/[^ ]*\).*,\1,' | while read i; do
-	mkdir -p "$R$(dirname $i)"
-	cp "$i" "$R/$i"
+# Fake perl to reduce dependency, t1509 does not use perl, but some
+# env might slip through, see test-lib.sh, unset.*PERL_PATH
+sed 's|^PERL_PATH=.*|PERL_PATH=/bin/true|' GIT-BUILD-OPTIONS > "$R$(pwd)/GIT-BUILD-OPTIONS"
+for cmd in git $BB;do 
+	ldd $cmd | grep '/' | sed 's,.*\s\(/[^ ]*\).*,\1,' | while read i; do
+		mkdir -p "$R$(dirname $i)"
+		cp "$i" "$R/$i"
+	done
 done
-echo "Execute this in root: 'chroot $R /bin/su - $(id -nu)'"
+cat <<EOF
+All is set up in $R, execute t1509 with the following commands:
+
+sudo chroot $R /bin/su - $(id -nu)
+IKNOWWHATIAMDOING=YES ./t1509-root-worktree.sh -v -i
+
+When you are done, simply delete $R to clean up
+EOF
diff --git a/t/t1510-repo-setup.sh b/t/t1510-repo-setup.sh
index e1b2a99f10..33c1a587b3 100755
--- a/t/t1510-repo-setup.sh
+++ b/t/t1510-repo-setup.sh
@@ -106,6 +106,7 @@ setup_env () {
 expect () {
 	cat >"$1/expected" <<-EOF
 	setup: git_dir: $2
+	setup: git_common_dir: $2
 	setup: worktree: $3
 	setup: cwd: $4
 	setup: prefix: $5
diff --git a/t/t2025-checkout-to.sh b/t/t2025-checkout-to.sh
new file mode 100755
index 0000000000..f8e4df4818
--- /dev/null
+++ b/t/t2025-checkout-to.sh
@@ -0,0 +1,129 @@
+#!/bin/sh
+
+test_description='test git checkout --to'
+
+. ./test-lib.sh
+
+test_expect_success 'setup' '
+	test_commit init
+'
+
+test_expect_success 'checkout --to not updating paths' '
+	test_must_fail git checkout --to -- init.t
+'
+
+test_expect_success 'checkout --to an existing worktree' '
+	mkdir -p existing/subtree &&
+	test_must_fail git checkout --detach --to existing master
+'
+
+test_expect_success 'checkout --to an existing empty worktree' '
+	mkdir existing_empty &&
+	git checkout --detach --to existing_empty master
+'
+
+test_expect_success 'checkout --to refuses to checkout locked branch' '
+	test_must_fail git checkout --to zere master &&
+	! test -d zere &&
+	! test -d .git/worktrees/zere
+'
+
+test_expect_success 'checkout --to a new worktree' '
+	git rev-parse HEAD >expect &&
+	git checkout --detach --to here master &&
+	(
+		cd here &&
+		test_cmp ../init.t init.t &&
+		test_must_fail git symbolic-ref HEAD &&
+		git rev-parse HEAD >actual &&
+		test_cmp ../expect actual &&
+		git fsck
+	)
+'
+
+test_expect_success 'checkout --to a new worktree from a subdir' '
+	(
+		mkdir sub &&
+		cd sub &&
+		git checkout --detach --to here master &&
+		cd here &&
+		test_cmp ../../init.t init.t
+	)
+'
+
+test_expect_success 'checkout --to from a linked checkout' '
+	(
+		cd here &&
+		git checkout --detach --to nested-here master &&
+		cd nested-here &&
+		git fsck
+	)
+'
+
+test_expect_success 'checkout --to a new worktree creating new branch' '
+	git checkout --to there -b newmaster master &&
+	(
+		cd there &&
+		test_cmp ../init.t init.t &&
+		git symbolic-ref HEAD >actual &&
+		echo refs/heads/newmaster >expect &&
+		test_cmp expect actual &&
+		git fsck
+	)
+'
+
+test_expect_success 'die the same branch is already checked out' '
+	(
+		cd here &&
+		test_must_fail git checkout newmaster
+	)
+'
+
+test_expect_success 'not die the same branch is already checked out' '
+	(
+		cd here &&
+		git checkout --ignore-other-worktrees --to anothernewmaster newmaster
+	)
+'
+
+test_expect_success 'not die on re-checking out current branch' '
+	(
+		cd there &&
+		git checkout newmaster
+	)
+'
+
+test_expect_success 'checkout --to from a bare repo' '
+	(
+		git clone --bare . bare &&
+		cd bare &&
+		git checkout --to ../there2 -b bare-master master
+	)
+'
+
+test_expect_success 'checkout from a bare repo without --to' '
+	(
+		cd bare &&
+		test_must_fail git checkout master
+	)
+'
+
+test_expect_success 'checkout with grafts' '
+	test_when_finished rm .git/info/grafts &&
+	test_commit abc &&
+	SHA1=`git rev-parse HEAD` &&
+	test_commit def &&
+	test_commit xyz &&
+	echo "`git rev-parse HEAD` $SHA1" >.git/info/grafts &&
+	cat >expected <<-\EOF &&
+	xyz
+	abc
+	EOF
+	git log --format=%s -2 >actual &&
+	test_cmp expected actual &&
+	git checkout --detach --to grafted master &&
+	git --git-dir=grafted/.git log --format=%s -2 >actual &&
+	test_cmp expected actual
+'
+
+test_done
diff --git a/t/t2026-prune-linked-checkouts.sh b/t/t2026-prune-linked-checkouts.sh
new file mode 100755
index 0000000000..1821a480c5
--- /dev/null
+++ b/t/t2026-prune-linked-checkouts.sh
@@ -0,0 +1,96 @@
+#!/bin/sh
+
+test_description='prune $GIT_DIR/worktrees'
+
+. ./test-lib.sh
+
+test_expect_success initialize '
+	git commit --allow-empty -m init
+'
+
+test_expect_success 'prune --worktrees on normal repo' '
+	git prune --worktrees &&
+	test_must_fail git prune --worktrees abc
+'
+
+test_expect_success 'prune files inside $GIT_DIR/worktrees' '
+	mkdir .git/worktrees &&
+	: >.git/worktrees/abc &&
+	git prune --worktrees --verbose >actual &&
+	cat >expect <<EOF &&
+Removing worktrees/abc: not a valid directory
+EOF
+	test_i18ncmp expect actual &&
+	! test -f .git/worktrees/abc &&
+	! test -d .git/worktrees
+'
+
+test_expect_success 'prune directories without gitdir' '
+	mkdir -p .git/worktrees/def/abc &&
+	: >.git/worktrees/def/def &&
+	cat >expect <<EOF &&
+Removing worktrees/def: gitdir file does not exist
+EOF
+	git prune --worktrees --verbose >actual &&
+	test_i18ncmp expect actual &&
+	! test -d .git/worktrees/def &&
+	! test -d .git/worktrees
+'
+
+test_expect_success SANITY 'prune directories with unreadable gitdir' '
+	mkdir -p .git/worktrees/def/abc &&
+	: >.git/worktrees/def/def &&
+	: >.git/worktrees/def/gitdir &&
+	chmod u-r .git/worktrees/def/gitdir &&
+	git prune --worktrees --verbose >actual &&
+	test_i18ngrep "Removing worktrees/def: unable to read gitdir file" actual &&
+	! test -d .git/worktrees/def &&
+	! test -d .git/worktrees
+'
+
+test_expect_success 'prune directories with invalid gitdir' '
+	mkdir -p .git/worktrees/def/abc &&
+	: >.git/worktrees/def/def &&
+	: >.git/worktrees/def/gitdir &&
+	git prune --worktrees --verbose >actual &&
+	test_i18ngrep "Removing worktrees/def: invalid gitdir file" actual &&
+	! test -d .git/worktrees/def &&
+	! test -d .git/worktrees
+'
+
+test_expect_success 'prune directories with gitdir pointing to nowhere' '
+	mkdir -p .git/worktrees/def/abc &&
+	: >.git/worktrees/def/def &&
+	echo "$(pwd)"/nowhere >.git/worktrees/def/gitdir &&
+	git prune --worktrees --verbose >actual &&
+	test_i18ngrep "Removing worktrees/def: gitdir file points to non-existent location" actual &&
+	! test -d .git/worktrees/def &&
+	! test -d .git/worktrees
+'
+
+test_expect_success 'not prune locked checkout' '
+	test_when_finished rm -r .git/worktrees &&
+	mkdir -p .git/worktrees/ghi &&
+	: >.git/worktrees/ghi/locked &&
+	git prune --worktrees &&
+	test -d .git/worktrees/ghi
+'
+
+test_expect_success 'not prune recent checkouts' '
+	test_when_finished rm -r .git/worktrees &&
+	mkdir zz &&
+	mkdir -p .git/worktrees/jlm &&
+	echo "$(pwd)"/zz >.git/worktrees/jlm/gitdir &&
+	rmdir zz &&
+	git prune --worktrees --verbose --expire=2.days.ago &&
+	test -d .git/worktrees/jlm
+'
+
+test_expect_success 'not prune proper checkouts' '
+	test_when_finished rm -r .git/worktrees &&
+	git checkout "--to=$PWD/nop" --detach master &&
+	git prune --worktrees &&
+	test -d .git/worktrees/nop
+'
+
+test_done
diff --git a/t/t3701-add-interactive.sh b/t/t3701-add-interactive.sh
index 24ddd8a704..deae948c76 100755
--- a/t/t3701-add-interactive.sh
+++ b/t/t3701-add-interactive.sh
@@ -326,15 +326,34 @@ test_expect_success 'split hunk "add -p (edit)"' '
 	# 2. Correct version applies the (not)edited version, and asks
 	#    about the next hunk, against which we say q and program
 	#    exits.
-	for a in s e     q n q q
-	do
-		echo $a
-	done |
+	printf "%s\n" s e     q n q q |
 	EDITOR=: git add -p &&
 	git diff >actual &&
 	! grep "^+15" actual
 '
 
+test_expect_failure 'split hunk "add -p (no, yes, edit)"' '
+	cat >test <<-\EOF &&
+	5
+	10
+	20
+	21
+	30
+	31
+	40
+	50
+	60
+	EOF
+	git reset &&
+	# test sequence is s(plit), n(o), y(es), e(dit)
+	# q n q q is there to make sure we exit at the end.
+	printf "%s\n" s n y e   q n q q |
+	EDITOR=: git add -p 2>error &&
+	test_must_be_empty error &&
+	git diff >actual &&
+	! grep "^+31" actual
+'
+
 test_expect_success 'patch mode ignores unmerged entries' '
 	git reset --hard &&
 	test_commit conflict &&
diff --git a/t/t3904-stash-patch.sh b/t/t3904-stash-patch.sh
index 70655c1848..38e730090f 100755
--- a/t/t3904-stash-patch.sh
+++ b/t/t3904-stash-patch.sh
@@ -1,9 +1,15 @@
 #!/bin/sh
 
-test_description='git checkout --patch'
+test_description='stash -p'
 . ./lib-patch-mode.sh
 
-test_expect_success PERL 'setup' '
+if ! test_have_prereq PERL
+then
+	skip_all='skipping stash -p tests, perl not available'
+	test_done
+fi
+
+test_expect_success 'setup' '
 	mkdir dir &&
 	echo parent > dir/foo &&
 	echo dummy > bar &&
@@ -20,7 +26,7 @@ test_expect_success PERL 'setup' '
 
 # note: order of files with unstaged changes: HEAD bar dir/foo
 
-test_expect_success PERL 'saying "n" does nothing' '
+test_expect_success 'saying "n" does nothing' '
 	set_state HEAD HEADfile_work HEADfile_index &&
 	set_state dir/foo work index &&
 	(echo n; echo n; echo n) | test_must_fail git stash save -p &&
@@ -29,7 +35,7 @@ test_expect_success PERL 'saying "n" does nothing' '
 	verify_state dir/foo work index
 '
 
-test_expect_success PERL 'git stash -p' '
+test_expect_success 'git stash -p' '
 	(echo y; echo n; echo y) | git stash save -p &&
 	verify_state HEAD committed HEADfile_index &&
 	verify_saved_state bar &&
@@ -41,7 +47,7 @@ test_expect_success PERL 'git stash -p' '
 	verify_state dir/foo work head
 '
 
-test_expect_success PERL 'git stash -p --no-keep-index' '
+test_expect_success 'git stash -p --no-keep-index' '
 	set_state HEAD HEADfile_work HEADfile_index &&
 	set_state bar bar_work bar_index &&
 	set_state dir/foo work index &&
@@ -56,7 +62,7 @@ test_expect_success PERL 'git stash -p --no-keep-index' '
 	verify_state dir/foo work index
 '
 
-test_expect_success PERL 'git stash --no-keep-index -p' '
+test_expect_success 'git stash --no-keep-index -p' '
 	set_state HEAD HEADfile_work HEADfile_index &&
 	set_state bar bar_work bar_index &&
 	set_state dir/foo work index &&
@@ -71,8 +77,31 @@ test_expect_success PERL 'git stash --no-keep-index -p' '
 	verify_state dir/foo work index
 '
 
-test_expect_success PERL 'none of this moved HEAD' '
+test_expect_success 'none of this moved HEAD' '
 	verify_saved_head
 '
 
+test_expect_failure 'stash -p with split hunk' '
+	git reset --hard &&
+	cat >test <<-\EOF &&
+	aaa
+	bbb
+	ccc
+	EOF
+	git add test &&
+	git commit -m "initial" &&
+	cat >test <<-\EOF &&
+	aaa
+	added line 1
+	bbb
+	added line 2
+	ccc
+	EOF
+	printf "%s\n" s n y q |
+	test_might_fail git stash -p 2>error &&
+	! test_must_be_empty error &&
+	grep "added line 1" test &&
+	! grep "added line 2" test
+'
+
 test_done
diff --git a/t/t7003-filter-branch.sh b/t/t7003-filter-branch.sh
index 66643e4bd7..855afda80a 100755
--- a/t/t7003-filter-branch.sh
+++ b/t/t7003-filter-branch.sh
@@ -394,4 +394,14 @@ test_expect_success 'replace submodule revision' '
 	test $orig_head != `git show-ref --hash --head HEAD`
 '
 
+test_expect_success 'filter commit message without trailing newline' '
+	git reset --hard original &&
+	commit=$(printf "no newline" | git commit-tree HEAD^{tree}) &&
+	git update-ref refs/heads/no-newline $commit &&
+	git filter-branch -f refs/heads/no-newline &&
+	echo $commit >expect &&
+	git rev-parse refs/heads/no-newline >actual &&
+	test_cmp expect actual
+'
+
 test_done
diff --git a/t/t7061-wtstatus-ignore.sh b/t/t7061-wtstatus-ignore.sh
index 460789b4d8..cdc0747bf0 100755
--- a/t/t7061-wtstatus-ignore.sh
+++ b/t/t7061-wtstatus-ignore.sh
@@ -20,6 +20,15 @@ test_expect_success 'status untracked directory with --ignored' '
 	test_cmp expected actual
 '
 
+test_expect_success 'same with gitignore starting with BOM' '
+	printf "\357\273\277ignored\n" >.gitignore &&
+	mkdir -p untracked &&
+	: >untracked/ignored &&
+	: >untracked/uncommitted &&
+	git status --porcelain --ignored >actual &&
+	test_cmp expected actual
+'
+
 cat >expected <<\EOF
 ?? .gitignore
 ?? actual
diff --git a/t/t7410-submodule-checkout-to.sh b/t/t7410-submodule-checkout-to.sh
new file mode 100755
index 0000000000..8f30aed6cc
--- /dev/null
+++ b/t/t7410-submodule-checkout-to.sh
@@ -0,0 +1,50 @@
+#!/bin/sh
+
+test_description='Combination of submodules and multiple workdirs'
+
+. ./test-lib.sh
+
+base_path=$(pwd -P)
+
+test_expect_success 'setup: make origin' \
+    'mkdir -p origin/sub && ( cd origin/sub && git init &&
+	echo file1 >file1 &&
+	git add file1 &&
+	git commit -m file1 ) &&
+    mkdir -p origin/main && ( cd origin/main && git init &&
+	git submodule add ../sub &&
+	git commit -m "add sub" ) &&
+    ( cd origin/sub &&
+	echo file1updated >file1 &&
+	git add file1 &&
+	git commit -m "file1 updated" ) &&
+    ( cd origin/main/sub && git pull ) &&
+    ( cd origin/main &&
+	git add sub &&
+	git commit -m "sub updated" )'
+
+test_expect_success 'setup: clone' \
+    'mkdir clone && ( cd clone &&
+	git clone --recursive "$base_path/origin/main")'
+
+rev1_hash_main=$(git --git-dir=origin/main/.git show --pretty=format:%h -q "HEAD~1")
+rev1_hash_sub=$(git --git-dir=origin/sub/.git show --pretty=format:%h -q "HEAD~1")
+
+test_expect_success 'checkout main' \
+    'mkdir default_checkout &&
+    (cd clone/main &&
+	git checkout --to "$base_path/default_checkout/main" "$rev1_hash_main")'
+
+test_expect_failure 'can see submodule diffs just after checkout' \
+    '(cd default_checkout/main && git diff --submodule master"^!" | grep "file1 updated")'
+
+test_expect_success 'checkout main and initialize independed clones' \
+    'mkdir fully_cloned_submodule &&
+    (cd clone/main &&
+	git checkout --to "$base_path/fully_cloned_submodule/main" "$rev1_hash_main") &&
+    (cd fully_cloned_submodule/main && git submodule update)'
+
+test_expect_success 'can see submodule diffs after independed cloning' \
+    '(cd fully_cloned_submodule/main && git diff --submodule master"^!" | grep "file1 updated")'
+
+test_done
diff --git a/t/t8003-blame-corner-cases.sh b/t/t8003-blame-corner-cases.sh
index 32895e5acb..16f1442c1e 100755
--- a/t/t8003-blame-corner-cases.sh
+++ b/t/t8003-blame-corner-cases.sh
@@ -191,12 +191,24 @@ test_expect_success 'indent of line numbers, ten lines' '
 	test $(grep -c "  " actual) = 9
 '
 
-test_expect_success 'blaming files with CRLF newlines' '
+test_expect_success 'setup file with CRLF newlines' '
 	git config core.autocrlf false &&
-	printf "testcase\r\n" >crlffile &&
+	printf "testcase\n" >crlffile &&
 	git add crlffile &&
 	git commit -m testcase &&
-	git -c core.autocrlf=input blame crlffile >actual &&
+	printf "testcase\r\n" >crlffile
+'
+
+test_expect_success 'blame file with CRLF core.autocrlf true' '
+	git config core.autocrlf true &&
+	git blame crlffile >actual &&
+	grep "A U Thor" actual
+'
+
+test_expect_success 'blame file with CRLF attributes text' '
+	git config core.autocrlf false &&
+	echo "crlffile text" >.gitattributes &&
+	git blame crlffile >actual &&
 	grep "A U Thor" actual
 '
 
diff --git a/t/t9801-git-p4-branch.sh b/t/t9801-git-p4-branch.sh
index 2bf142d09c..0aafd03334 100755
--- a/t/t9801-git-p4-branch.sh
+++ b/t/t9801-git-p4-branch.sh
@@ -504,6 +504,112 @@ test_expect_success 'use-client-spec detect-branches skips files in branches' '
 	)
 '
 
+test_expect_success 'restart p4d' '
+	kill_p4d &&
+	start_p4d
+'
+
+#
+# 1: //depot/branch1/base/file1
+#    //depot/branch1/base/file2
+#    //depot/branch1/base/dir/sub_file1
+# 2: integrate //depot/branch1/base/... -> //depot/branch2/base/...
+# 3: //depot/branch1/base/file3
+# 4: //depot/branch1/base/file2 (edit)
+# 5: integrate //depot/branch1/base/... -> //depot/branch3/base/...
+#
+# Note: the client view removes the "base" folder from the workspace
+#       and moves sub_file1 one level up.
+test_expect_success 'add simple p4 branches with common base folder on each branch' '
+	(
+		cd "$cli" &&
+		client_view "//depot/branch1/base/... //client/branch1/..." \
+			    "//depot/branch1/base/dir/sub_file1 //client/branch1/sub_file1" \
+			    "//depot/branch2/base/... //client/branch2/..." \
+			    "//depot/branch3/base/... //client/branch3/..." &&
+		mkdir -p branch1 &&
+		cd branch1 &&
+		echo file1 >file1 &&
+		echo file2 >file2 &&
+		mkdir dir &&
+		echo sub_file1 >sub_file1 &&
+		p4 add file1 file2 sub_file1 &&
+		p4 submit -d "Create branch1" &&
+		p4 integrate //depot/branch1/base/... //depot/branch2/base/... &&
+		p4 submit -d "Integrate branch2 from branch1" &&
+		echo file3 >file3 &&
+		p4 add file3 &&
+		p4 submit -d "add file3 in branch1" &&
+		p4 open file2 &&
+		echo update >>file2 &&
+		p4 submit -d "update file2 in branch1" &&
+		p4 integrate //depot/branch1/base/... //depot/branch3/base/... &&
+		p4 submit -d "Integrate branch3 from branch1"
+	)
+'
+
+# Configure branches through git-config and clone them.
+# All files are tested to make sure branches were cloned correctly.
+# Finally, make an update to branch1 on P4 side to check if it is imported
+# correctly by git p4.
+# git p4 is expected to use the client view to also not include the common
+# "base" folder in the imported directory structure.
+test_expect_success 'git p4 clone simple branches with base folder on server side' '
+	test_create_repo "$git" &&
+	(
+		cd "$git" &&
+		git config git-p4.branchList branch1:branch2 &&
+		git config --add git-p4.branchList branch1:branch3 &&
+		git p4 clone --dest=. --use-client-spec  --detect-branches //depot@all &&
+		git log --all --graph --decorate --stat &&
+		git reset --hard p4/depot/branch1 &&
+		test -f file1 &&
+		test -f file2 &&
+		test -f file3 &&
+		test -f sub_file1 &&
+		grep update file2 &&
+		git reset --hard p4/depot/branch2 &&
+		test -f file1 &&
+		test -f file2 &&
+		test ! -f file3 &&
+		test -f sub_file1 &&
+		! grep update file2 &&
+		git reset --hard p4/depot/branch3 &&
+		test -f file1 &&
+		test -f file2 &&
+		test -f file3 &&
+		test -f sub_file1 &&
+		grep update file2 &&
+		cd "$cli" &&
+		cd branch1 &&
+		p4 edit file2 &&
+		echo file2_ >>file2 &&
+		p4 submit -d "update file2 in branch1" &&
+		cd "$git" &&
+		git reset --hard p4/depot/branch1 &&
+		git p4 rebase &&
+		grep file2_ file2
+	)
+'
+
+# Now update a file in one of the branches in git and submit to P4
+test_expect_success 'Update a file in git side and submit to P4 using client view' '
+	test_when_finished cleanup_git &&
+	(
+		cd "$git" &&
+		git reset --hard p4/depot/branch1 &&
+		echo "client spec" >> file1 &&
+		git add -u . &&
+		git commit -m "update file1 in branch1" &&
+		git config git-p4.skipSubmitEdit true &&
+		git p4 submit --verbose &&
+		cd "$cli" &&
+		p4 sync ... &&
+		cd branch1 &&
+		grep "client spec" file1
+	)
+'
+
 test_expect_success 'kill p4d' '
 	kill_p4d
 '
diff --git a/t/t9814-git-p4-rename.sh b/t/t9814-git-p4-rename.sh
index 99bb71b89c..c89992cf95 100755
--- a/t/t9814-git-p4-rename.sh
+++ b/t/t9814-git-p4-rename.sh
@@ -226,14 +226,9 @@ test_expect_success 'detect copies' '
 
 # See if configurables can be set, and in particular if the run.move.allow
 # variable exists, which allows admins to disable the "p4 move" command.
-test_expect_success 'p4 configure command and run.move.allow are available' '
-	p4 configure show run.move.allow >out ; retval=$? &&
-	test $retval = 0 &&
-	{
-		egrep ^run.move.allow: out &&
-		test_set_prereq P4D_HAVE_CONFIGURABLE_RUN_MOVE_ALLOW ||
-		true
-	} || true
+test_lazy_prereq P4D_HAVE_CONFIGURABLE_RUN_MOVE_ALLOW '
+	p4 configure show run.move.allow >out &&
+	egrep ^run.move.allow: out
 '
 
 # If move can be disabled, turn it off and test p4 move handling
diff --git a/t/t9816-git-p4-locked.sh b/t/t9816-git-p4-locked.sh
index e71e543343..d048bd33fa 100755
--- a/t/t9816-git-p4-locked.sh
+++ b/t/t9816-git-p4-locked.sh
@@ -35,13 +35,13 @@ test_expect_success 'edit with lock not taken' '
 	)
 '
 
-test_expect_failure 'add with lock not taken' '
+test_expect_success 'add with lock not taken' '
 	test_when_finished cleanup_git &&
 	git p4 clone --dest="$git" //depot &&
 	(
 		cd "$git" &&
 		echo line1 >>add-lock-not-taken &&
-		git add file2 &&
+		git add add-lock-not-taken &&
 		git commit -m "add add-lock-not-taken" &&
 		git config git-p4.skipSubmitEdit true &&
 		git p4 submit --verbose
@@ -107,7 +107,7 @@ test_expect_failure 'chmod with lock taken' '
 	)
 '
 
-test_expect_failure 'copy with lock taken' '
+test_expect_success 'copy with lock taken' '
 	lock_in_another_client &&
 	test_when_finished cleanup_git &&
 	test_when_finished "cd \"$cli\" && p4 revert file2 && rm -f file2" &&
@@ -130,8 +130,8 @@ test_expect_failure 'move with lock taken' '
 	git p4 clone --dest="$git" //depot &&
 	(
 		cd "$git" &&
-		git mv file1 file2 &&
-		git commit -m "mv file1 to file2" &&
+		git mv file1 file3 &&
+		git commit -m "mv file1 to file3" &&
 		git config git-p4.skipSubmitEdit true &&
 		git config git-p4.detectRenames true &&
 		git p4 submit --verbose
diff --git a/t/t9818-git-p4-block.sh b/t/t9818-git-p4-block.sh
new file mode 100755
index 0000000000..153b20afbd
--- /dev/null
+++ b/t/t9818-git-p4-block.sh
@@ -0,0 +1,64 @@
+#!/bin/sh
+
+test_description='git p4 fetching changes in multiple blocks'
+
+. ./lib-git-p4.sh
+
+test_expect_success 'start p4d' '
+	start_p4d
+'
+
+test_expect_success 'Create a repo with ~100 changes' '
+	(
+		cd "$cli" &&
+		>file.txt &&
+		p4 add file.txt &&
+		p4 submit -d "Add file.txt" &&
+		for i in $(test_seq 0 9)
+		do
+			>outer$i.txt &&
+			p4 add outer$i.txt &&
+			p4 submit -d "Adding outer$i.txt" &&
+			for j in $(test_seq 0 9)
+			do
+				p4 edit file.txt &&
+				echo $i$j >file.txt &&
+				p4 submit -d "Commit $i$j" || exit
+			done || exit
+		done
+	)
+'
+
+test_expect_success 'Clone the repo' '
+	git p4 clone --dest="$git" --changes-block-size=10 --verbose //depot@all
+'
+
+test_expect_success 'All files are present' '
+	echo file.txt >expected &&
+	test_write_lines outer0.txt outer1.txt outer2.txt outer3.txt outer4.txt >>expected &&
+	test_write_lines outer5.txt outer6.txt outer7.txt outer8.txt outer9.txt >>expected &&
+	ls "$git" >current &&
+	test_cmp expected current
+'
+
+test_expect_success 'file.txt is correct' '
+	echo 99 >expected &&
+	test_cmp expected "$git/file.txt"
+'
+
+test_expect_success 'Correct number of commits' '
+	(cd "$git" && git log --oneline) >log &&
+	test_line_count = 111 log
+'
+
+test_expect_success 'Previous version of file.txt is correct' '
+	(cd "$git" && git checkout HEAD^^) &&
+	echo 97 >expected &&
+	test_cmp expected "$git/file.txt"
+'
+
+test_expect_success 'kill p4d' '
+	kill_p4d
+'
+
+test_done
diff --git a/t/t9819-git-p4-case-folding.sh b/t/t9819-git-p4-case-folding.sh
new file mode 100755
index 0000000000..78f1d0f92d
--- /dev/null
+++ b/t/t9819-git-p4-case-folding.sh
@@ -0,0 +1,54 @@
+#!/bin/sh
+
+test_description='interaction with P4 case-folding'
+
+. ./lib-git-p4.sh
+
+test_expect_success 'start p4d with case folding enabled' '
+	start_p4d -C1
+'
+
+test_expect_success 'Create a repo, name is lowercase' '
+	(
+		client_view "//depot/... //client/..." &&
+		cd "$cli" &&
+		mkdir -p lc UC &&
+		>lc/file.txt && >UC/file.txt &&
+		p4 add lc/file.txt UC/file.txt &&
+		p4 submit -d "Add initial lc and UC repos"
+	)
+'
+
+test_expect_success 'Check p4 is in case-folding mode' '
+	(
+		cd "$cli" &&
+		>lc/FILE.TXT &&
+		p4 add lc/FILE.TXT &&
+		test_must_fail p4 submit -d "Cannot add file differing only in case" lc/FILE.TXT
+	)
+'
+
+# Check we created the repo properly
+test_expect_success 'Clone lc repo using lc name' '
+	git p4 clone //depot/lc/... &&
+	test_path_is_file lc/file.txt &&
+	git p4 clone //depot/UC/... &&
+	test_path_is_file UC/file.txt
+'
+
+# The clone should fail, since there is no repo called LC, but because
+# we have case-insensitive p4d enabled, it appears to go ahead and work,
+# but leaves an empty git repo in place.
+test_expect_failure 'Clone lc repo using uc name' '
+	test_must_fail git p4 clone //depot/LC/...
+'
+
+test_expect_failure 'Clone UC repo with lc name' '
+	test_must_fail git p4 clone //depot/uc/...
+'
+
+test_expect_success 'kill p4d' '
+	kill_p4d
+'
+
+test_done
diff --git a/t/test-lib-functions.sh b/t/test-lib-functions.sh
index 0698ce7908..8f8858a5f0 100644
--- a/t/test-lib-functions.sh
+++ b/t/test-lib-functions.sh
@@ -478,7 +478,7 @@ test_external_without_stderr () {
 test_path_is_file () {
 	if ! test -f "$1"
 	then
-		echo "File $1 doesn't exist. $*"
+		echo "File $1 doesn't exist. $2"
 		false
 	fi
 }
@@ -486,7 +486,7 @@ test_path_is_file () {
 test_path_is_dir () {
 	if ! test -d "$1"
 	then
-		echo "Directory $1 doesn't exist. $*"
+		echo "Directory $1 doesn't exist. $2"
 		false
 	fi
 }