submodule.c: Squelch a "use before assignment" warning

[git.git] / git-mergetool--lib.sh

diff --git a/git-mergetool--lib.sh b/git-mergetool--lib.sh
index bfb01f7842e6192e0b3fbc0e3f2ab96269578289..f7c571e73cdf471148b606242066536361ac7c3d 100644 (file)
--- a/git-mergetool--lib.sh
+++ b/git-mergetool--lib.sh
@@ -46,7 +46,7 @@ check_unchanged () {
 valid_tool () {
        case "$1" in
        kdiff3 | tkdiff | xxdiff | meld | opendiff | \
-       emerge | vimdiff | gvimdiff | ecmerge | diffuse | araxis)
+       emerge | vimdiff | gvimdiff | ecmerge | diffuse | araxis | p4merge)
                ;; # happy
        tortoisemerge)
                if ! merge_mode; then
@@ -130,6 +130,19 @@ run_merge_tool () {
                        "$merge_tool_path" "$LOCAL" "$REMOTE"
                fi
                ;;
+       p4merge)
+               if merge_mode; then
+                   touch "$BACKUP"
+                       if $base_present; then
+                               "$merge_tool_path" "$BASE" "$LOCAL" "$REMOTE" "$MERGED"
+                       else
+                               "$merge_tool_path" "$LOCAL" "$LOCAL" "$REMOTE" "$MERGED"
+                       fi
+                       check_unchanged
+               else
+                       "$merge_tool_path" "$LOCAL" "$REMOTE"
+               fi
+               ;;
        meld)
                if merge_mode; then
                        touch "$BACKUP"
@@ -323,7 +336,7 @@ guess_merge_tool () {
                else
                        tools="opendiff kdiff3 tkdiff xxdiff meld $tools"
                fi
-               tools="$tools gvimdiff diffuse ecmerge araxis"
+               tools="$tools gvimdiff diffuse ecmerge p4merge araxis"
        fi
        if echo "${VISUAL:-$EDITOR}" | grep emacs > /dev/null 2>&1; then
                # $EDITOR is emacs so add emerge as a candidate