vcsh: Support *BSD/OSX mktemp

mktemp on *BSD/OSX expects a template whereas GNU mktemp does not.
Pass a template to mktemp to make *BSD/OSX happy.

github: fixes richih/vcsh#83

diff --git a/vcsh b/vcsh
index 508c087a9aae50fb7736b5e0ddefb2ef6fe33dbf..bf843dd1bfb8a4c8593e38accdfd3249bc3819bf 100755 (executable)
--- a/vcsh
+++ b/vcsh
@@ -365,7 +365,7 @@ write_gitignore() {
                        file="$new"
                done;
        done | sort -u)
-       tempfile=$(mktemp) || fatal "could not create tempfile" 51
+       tempfile=$(mktemp tmp.XXXXXXXXXX) || fatal "could not create tempfile" 51
        echo '*' > "$tempfile" || fatal "could not write to '$tempfile'" 57
        for gitignore in $gitignores; do
                echo "$gitignore" | sed 's@^@!/@' >> "$tempfile" || fatal "could not write to '$tempfile'" 57