vcsh: Fix mktemp bug

2650689d28f662e147d0be4c3ee248f873dbcc3c introduced a bug:
If we are using a template, GNU mktemp will use PWD instead of $TMPDIR

diff --git a/vcsh b/vcsh
index 58f5585eb2d8bc0b8872de79afe1d61841f61288..af41890cddc3737a6e3a30fc43aca1388909f45d 100755 (executable)
--- a/vcsh
+++ b/vcsh
@@ -360,7 +360,9 @@ write_gitignore() {
 
        # Contrary to GNU mktemp, mktemp on BSD/OSX requires a template for temp files
        # Use the template GNU mktemo defaults to
 
        # Contrary to GNU mktemp, mktemp on BSD/OSX requires a template for temp files
        # Use the template GNU mktemo defaults to

-       tempfile=$(mktemp tmp.XXXXXXXXXX) || fatal "could not create tempfile" 51
+       # The downside to this is that we need to set TMPDIR explicitly; this may or may not be empty, so...
+       [ -z "$TMPDIR" ] && TMPDIR='/tmp'
+       tempfile=$(mktemp ${TMPDIR}/tmp.XXXXXXXXXX) || fatal "could not create tempfile" 51

 
        echo '*' > "$tempfile" || fatal "could not write to '$tempfile'" 57
        for gitignore in $gitignores; do
 
        echo '*' > "$tempfile" || fatal "could not write to '$tempfile'" 57
        for gitignore in $gitignores; do