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-rwxr-xr-xgit-merge-one-file.sh23
1 files changed, 21 insertions, 2 deletions
diff --git a/git-merge-one-file.sh b/git-merge-one-file.sh
index e1eb963266..d067894bf4 100755
--- a/git-merge-one-file.sh
+++ b/git-merge-one-file.sh
@@ -16,6 +16,18 @@
# 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 $USAGE
+
+Blob ids and modes should be empty for missing files."
+
+if ! test "$#" -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
@@ -113,6 +125,10 @@ case "${1:-.}${2:-.}${3:-.}" in
src1=`git-unpack-file $2`
git merge-file "$src1" "$orig" "$src2"
ret=$?
+ msg=
+ if [ $ret -ne 0 ]; then
+ msg='content conflict'
+ fi
# Create the working tree file, using "our tree" version from the
# index, and then store the result of the merge.
@@ -120,7 +136,10 @@ case "${1:-.}${2:-.}${3:-.}" in
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 [ "$1" = '' ]; then
@@ -128,7 +147,7 @@ case "${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"