X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=git-merge-one-file.sh;h=c3eca8b3321df8dbf632fb687003737d8989d6f6;hb=e814bc4d159f62941fafe135c3008b3ff103444d;hp=32e17cbc61341a0b6b04d0556aa59bd95a73cb45;hpb=f7d24bbefb06c40f7738f471dda561ab45496d24;p=git.git

diff --git a/git-merge-one-file.sh b/git-merge-one-file.sh
index 32e17cbc..c3eca8b3 100755
--- a/git-merge-one-file.sh
+++ b/git-merge-one-file.sh
@@ -25,7 +25,8 @@ case "${1:-.}${2:-.}${3:-.}" in
 		echo "Removing $4"
 	fi
 	if test -f "$4"; then
-		rm -f -- "$4"
+		rm -f -- "$4" &&
+		rmdir -p "$(expr "$4" : '\(.*\)/')" 2>/dev/null
 	fi &&
 		exec git-update-index --remove -- "$4"
 	;;
@@ -57,18 +58,26 @@ case "${1:-.}${2:-.}${3:-.}" in
 # Modified in both, but differently.
 #
 "$1$2$3" | ".$2$3")
+	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
+		# remove lines that are unique to ours.
 		orig=`git-unpack-file $2`
-		: >$orig
+		sz0=`wc -c <"$orig"`
+		diff -u -La/$orig -Lb/$orig $orig $src2 | git-apply --no-add 
+		sz1=`wc -c <"$orig"`
+
+		# If we do not have enough common material, it is not
+		# worth trying two-file merge using common subsections.
+		expr "$sz0" \< "$sz1" \* 2 >/dev/null || : >$orig
 		;;
 	*)
 		echo "Auto-merging $4."
 		orig=`git-unpack-file $1`
 		;;
 	esac
-	src2=`git-unpack-file $3`
 
 	# We reset the index to the first branch, making
 	# git-diff-file useful