compat: fall back on __va_copy if available

diff --git a/git-mergetool--lib.sh b/git-mergetool--lib.sh
index b5e1943b1d166b543998c80579c65e82de36516a..77d4aee20ee5b8b01f9a0e3d1f8dbc9f7fdf3eb9 100644 (file)
--- a/git-mergetool--lib.sh
+++ b/git-mergetool--lib.sh
@@ -10,10 +10,10 @@ merge_mode() {
 
 translate_merge_tool_path () {
        case "$1" in
-       vimdiff)
+       vimdiff|vimdiff2)
                echo vim
                ;;
-       gvimdiff)
+       gvimdiff|gvimdiff2)
                echo gvim
                ;;
        emerge)
@@ -47,7 +47,8 @@ check_unchanged () {
 valid_tool () {
        case "$1" in
        kdiff3 | tkdiff | xxdiff | meld | opendiff | \
-       emerge | vimdiff | gvimdiff | ecmerge | diffuse | araxis | p4merge)
+       vimdiff | gvimdiff | vimdiff2 | gvimdiff2 | \
+       emerge | ecmerge | diffuse | araxis | p4merge)
                ;; # happy
        tortoisemerge)
                if ! merge_mode; then
@@ -169,25 +170,30 @@ run_merge_tool () {
                        "$merge_tool_path" "$LOCAL" "$REMOTE" | cat
                fi
                ;;
-       vimdiff)
+       vimdiff|gvimdiff)
                if merge_mode; then
                        touch "$BACKUP"
-                       "$merge_tool_path" -d -c "wincmd l" \
-                               "$LOCAL" "$MERGED" "$REMOTE"
+                       if $base_present; then
+                               "$merge_tool_path" -f -d -c "wincmd J" \
+                                       "$MERGED" "$LOCAL" "$BASE" "$REMOTE"
+                       else
+                               "$merge_tool_path" -f -d -c "wincmd l" \
+                                       "$LOCAL" "$MERGED" "$REMOTE"
+                       fi
                        check_unchanged
                else
-                       "$merge_tool_path" -d -c "wincmd l" \
+                       "$merge_tool_path" -f -d -c "wincmd l" \
                                "$LOCAL" "$REMOTE"
                fi
                ;;
-       gvimdiff)
+       vimdiff2|gvimdiff2)
                if merge_mode; then
                        touch "$BACKUP"
-                       "$merge_tool_path" -d -c "wincmd l" -f \
+                       "$merge_tool_path" -f -d -c "wincmd l" \
                                "$LOCAL" "$MERGED" "$REMOTE"
                        check_unchanged
                else
-                       "$merge_tool_path" -d -c "wincmd l" -f \
+                       "$merge_tool_path" -f -d -c "wincmd l" \
                                "$LOCAL" "$REMOTE"
                fi
                ;;