Merge commit 'b319ef7' into jc/maint-fix-test-perm

* commit 'b319ef7': (8132 commits)
  Add a small patch-mode testing library
  git-apply--interactive: Refactor patch mode code
  t8005: Nobody writes Russian in shift_jis
  Fix severe breakage in "git-apply --whitespace=fix"
  Update release notes for 1.6.4
  After renaming a section, print any trailing variable definitions
  Make section_name_match start on '[', and return the length on success
  send-email: detect cycles in alias expansion
  Show the presence of untracked files in the bash prompt.
  SunOS grep does not understand -C<n> nor -e
  Fix export_marks() error handling.
  git repack: keep commits hidden by a graft
  Add a test showing that 'git repack' throws away grafted-away parents
  git branch: clean up detached branch handling
  git branch: avoid unnecessary object lookups
  git branch: fix performance problem
  git svn: fix shallow clone when upstream revision is too new
  do_one_ref(): null_sha1 check is not about broken ref
  configure.ac: properly unset NEEDS_SSL_WITH_CRYPTO when sha1 func is missing
  janitor: useless checks before free
  ...

1 files changed, 32 insertions, 18 deletions

diff --git a/git-merge-one-file.sh b/git-merge-one-file.sh
index 7d62d7902..9c2c1b720 100755
--- a/git-merge-one-file.sh
+++ b/git-merge-one-file.sh
@@ -13,7 +13,7 @@
 #   $7 - file in branch2 mode (or empty)
 #
 # Handle some trivial cases.. The _really_ trivial cases have
-# been handled already by git-read-tree, but that one doesn't
+# been handled already by git read-tree, but that one doesn't
 # do any merges that might change the tree layout.
 
 case "${1:-.}${2:-.}${3:-.}" in
@@ -27,14 +27,15 @@ case "${1:-.}${2:-.}${3:-.}" in
 		# read-tree checked that index matches HEAD already,
 		# so we know we do not have this path tracked.
 		# there may be an unrelated working tree file here,
-		# which we should just leave unmolested.
-		exit 0
+		# which we should just leave unmolested.  Make sure
+		# we do not have it in the index, though.
+		exec git update-index --remove -- "$4"
 	fi
 	if test -f "$4"; then
 		rm -f -- "$4" &&
 		rmdir -p "$(expr "z$4" : 'z\(.*\)/')" 2>/dev/null || :
 	fi &&
-		exec git-update-index --remove -- "$4"
+		exec git update-index --remove -- "$4"
 	;;
 
 #
@@ -42,16 +43,18 @@ case "${1:-.}${2:-.}${3:-.}" in
 #
 ".$2.")
 	# the other side did not add and we added so there is nothing
-	# to be done.
+	# to be done, except making the path merged.
+	exec git update-index --add --cacheinfo "$6" "$2" "$4"
 	;;
 "..$3")
 	echo "Adding $4"
-	test -f "$4" || {
+	if test -f "$4"
+	then
 		echo "ERROR: untracked $4 is overwritten by the merge."
 		exit 1
-	}
-	git-update-index --add --cacheinfo "$6$7" "$2$3" "$4" &&
-		exec git-checkout-index -u -f -- "$4"
+	fi
+	git update-index --add --cacheinfo "$7" "$3" "$4" &&
+		exec git checkout-index -u -f -- "$4"
 	;;
 
 #
@@ -64,8 +67,8 @@ case "${1:-.}${2:-.}${3:-.}" in
 		exit 1
 	fi
 	echo "Adding $4"
-	git-update-index --add --cacheinfo "$6" "$2" "$4" &&
-		exec git-checkout-index -u -f -- "$4"
+	git update-index --add --cacheinfo "$6" "$2" "$4" &&
+		exec git checkout-index -u -f -- "$4"
 	;;
 
 #
@@ -78,17 +81,21 @@ case "${1:-.}${2:-.}${3:-.}" in
 		echo "ERROR: $4: Not merging symbolic link changes."
 		exit 1
 		;;
+	*,160000,*)
+		echo "ERROR: $4: Not merging conflicting submodule changes."
+		exit 1
+		;;
 	esac
 
 	src2=`git-unpack-file $3`
 	case "$1" in
 	'')
 		echo "Added $4 in both, but differently."
-		# This extracts OUR file in $orig, and uses git-apply to
+		# This extracts OUR file in $orig, and uses git apply to
 		# remove lines that are unique to ours.
 		orig=`git-unpack-file $2`
 		sz0=`wc -c <"$orig"`
-		diff -u -La/$orig -Lb/$orig $orig $src2 | git-apply --no-add 
+		diff -u -La/$orig -Lb/$orig $orig $src2 | git apply --no-add
 		sz1=`wc -c <"$orig"`
 
 		# If we do not have enough common material, it is not
@@ -104,16 +111,23 @@ case "${1:-.}${2:-.}${3:-.}" in
 	# Be careful for funny filename such as "-L" in "$4", which
 	# would confuse "merge" greatly.
 	src1=`git-unpack-file $2`
-	git-merge-file "$src1" "$orig" "$src2"
+	git merge-file "$src1" "$orig" "$src2"
 	ret=$?
+	msg=
+	if [ $ret -ne 0 ]; then
+		msg='content conflict'
+	fi
 
 	# Create the working tree file, using "our tree" version from the
 	# index, and then store the result of the merge.
-	git-checkout-index -f --stage=2 -- "$4" && cat "$src1" >"$4"
+	git checkout-index -f --stage=2 -- "$4" && cat "$src1" >"$4"
 	rm -f -- "$orig" "$src1" "$src2"
 
 	if [ "$6" != "$7" ]; then
-		echo "ERROR: Permissions conflict: $5->$6,$7."
+		if [ -n "$msg" ]; then
+			msg="$msg, "
+		fi
+		msg="${msg}permissions conflict: $5->$6,$7"
 		ret=1
 	fi
 	if [ "$1" = '' ]; then
@@ -121,10 +135,10 @@ case "${1:-.}${2:-.}${3:-.}" in
 	fi
 
 	if [ $ret -ne 0 ]; then
-		echo "ERROR: Merge conflict in $4"
+		echo "ERROR: $msg in $4"
 		exit 1
 	fi
-	exec git-update-index -- "$4"
+	exec git update-index -- "$4"
 	;;
 
 *)