vcsh: More resilient variable handling for 6b22746e94bf469dd462907fd43d13a454e56ede

[code/vcsh.git] / vcsh

diff --git a/vcsh b/vcsh
index 60d04074f9dfd8c256035b5596a8aa056f3f1d9f..93e9c9e2f55a1abc4a143a023714d6cbf84e1b83 100755 (executable)
--- a/vcsh
+++ b/vcsh
@@ -360,9 +360,8 @@ 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

-       # 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 ${TMPDIR}/tmp.XXXXXXXXXX) || fatal "could not create tempfile: '${tempfile}'" 51
+       # The downside to this is that we need to account for unset TMPDIR
+       tempfile=$(mktemp "${TMPDIR:-/tmp}/tmp.XXXXXXXXXX") || fatal "could not create tempfile: '${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