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-rwxr-xr-xgit-merge-one-file.sh21
1 files changed, 19 insertions, 2 deletions
diff --git a/git-merge-one-file.sh b/git-merge-one-file.sh
index 9c2c1b7202..7aeb96952f 100755
--- a/git-merge-one-file.sh
+++ b/git-merge-one-file.sh
@@ -16,6 +16,23 @@
# been handled already by git read-tree, but that one doesn't
# do any merges that might change the tree layout.
+USAGE='<orig blob> <our blob> <their blob> <path>'
+USAGE="$USAGE <orig mode> <our mode> <their mode>"
+LONG_USAGE="Usage: git merge-one-file $USAGE
+
+Blob ids and modes should be empty for missing files."
+
+SUBDIRECTORY_OK=Yes
+. git-sh-setup
+cd_to_toplevel
+require_work_tree
+
+if ! test "$#" -eq 7
+then
+ echo "$LONG_USAGE"
+ exit 1
+fi
+
case "${1:-.}${2:-.}${3:-.}" in
#
# Deleted in both or deleted in one and unchanged in the other
@@ -95,7 +112,7 @@ case "${1:-.}${2:-.}${3:-.}" in
# 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
@@ -120,7 +137,7 @@ case "${1:-.}${2:-.}${3:-.}" in
# 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" >"$4" || exit 1
rm -f -- "$orig" "$src1" "$src2"
if [ "$6" != "$7" ]; then