| diff_cmd () { |
| empty_file= |
| |
| # p4merge does not like /dev/null |
| if test "/dev/null" = "$LOCAL" |
| then |
| LOCAL="$(create_empty_file)" |
| fi |
| if test "/dev/null" = "$REMOTE" |
| then |
| REMOTE="$(create_empty_file)" |
| fi |
| |
| "$merge_tool_path" "$LOCAL" "$REMOTE" |
| |
| if test -n "$empty_file" |
| then |
| rm -f "$empty_file" |
| fi |
| } |
| |
| merge_cmd () { |
| touch "$BACKUP" |
| $base_present || >"$BASE" |
| "$merge_tool_path" "$BASE" "$LOCAL" "$REMOTE" "$MERGED" |
| check_unchanged |
| } |
| |
| create_empty_file () { |
| empty_file="${TMPDIR:-/tmp}/git-difftool-p4merge-empty-file.$$" |
| >"$empty_file" |
| |
| printf "%s" "$empty_file" |
| } |
