Drop -t option from mktemp

tests/run-tests

@@ -1,102 +1,102
 #!/bin/sh -e
 
 export LANG=C
 export LC_CTYPE="C"
 export LC_NUMERIC="C"
 export LC_TIME="C"
 export LC_COLLATE="C"
 export LC_MONETARY="C"
 export LC_MESSAGES="C"
 export LC_PAPER="C"
 export LC_NAME="C"
 export LC_ADDRESS="C"
 export LC_TELEPHONE="C"
 export LC_MEASUREMENT="C"
 export LC_IDENTIFICATION="C"
 export LC_ALL=""
 export HGEDITOR=true
 export HGMERGE=true
 export HGUSER=test
 
 umask 022
 
 tests=0
 failed=0
 H=$PWD
 
 if [ -d /usr/lib64 ]; then
     lib=lib64
 else
     lib=lib
 fi
 
 TESTPATH=$PWD/install/bin
 export PATH=$TESTPATH:$PATH
 export PYTHONPATH=$PWD/install/$lib/python
 
 rm -rf install
 cd ..
 ${PYTHON:-python} setup.py install --home=tests/install > tests/install.err
 if [ $? != 0 ] ; then
     cat tests/install.err
 fi
 cd $H
 rm install.err
 
 function run_one
 {
     rm -f $1.err
     export TZ=GMT
-    D=`mktemp -d -t tmp.XXXXXX`
+    D=`mktemp -d ${TMP-/tmp}/tmp.XXXXXX`
     if [ "$D" = "" ] ; then
 	echo mktemp failed!
     fi
 
     cd $D
     fail=0
     export HOME=$D
 
     if ! $H/$1 > .out 2>&1 ; then
 	echo $1 failed with error code $?
 	fail=1
     fi
 
     if [ -s .out -a ! -r $H/$1.out ] ; then
 	echo $1 generated unexpected output:
 	cat .out
 	cp .out $H/$1.err
 	fail=1
     elif [ -r $H/$1.out ] && ! diff -u $H/$1.out .out > /dev/null ; then
 	echo $1 output changed:
 	diff -u $H/$1.out .out && true
 	cp .out $H/$1.err
 	fail=1
     fi
 
     cd $H
     rm -r $D
     return $fail
 }
 
 TESTS=$@
 if [ "$TESTS" = "" ] ; then
     TESTS=`ls test-* | grep -Ev "\.|~"`
 fi
 
 for f in $TESTS ; do
     echo -n "."
     if ! run_one $f ; then
 	failed=$[$failed + 1]
     fi
     tests=$[$tests + 1]
 done
 
 rm -rf install
 
 echo
 echo Ran $tests tests, $failed failed
 
 if [ $failed -gt 0 ] ; then
     exit 1
 fi