Incorporated most of Aron Griffis suggestions for sh compatibility.

tests/run-tests

@@ -1,157 +1,137
 #!/bin/sh -e
 
 LANG="C"; export LANG
 LC_CTYPE="C"; export LC_CTYPE
 LC_NUMERIC="C"; export LC_NUMERIC
 LC_TIME="C"; export LC_TIME
 LC_COLLATE="C"; export LC_COLLATE
 LC_MONETARY="C"; export LC_MONETARY
 LC_MESSAGES="C"; export LC_MESSAGES
 LC_PAPER="C"; export LC_PAPER
 LC_NAME="C"; export LC_NAME
 LC_ADDRESS="C"; export LC_ADDRESS
 LC_TELEPHONE="C"; export LC_TELEPHONE
 LC_MEASUREMENT="C"; export LC_MEASUREMENT
 LC_IDENTIFICATION="C"; export LC_IDENTIFICATION
 LC_ALL=""; export LC_ALL
 TZ=GMT; export TZ
 HGEDITOR=true; export HGEDITOR
 HGMERGE=true; export HGMERGE
 HGUSER="test"; export HGUSER
 
 umask 022
 
-if [ "$[1+1]" = "2" ]; then
-    use_arithmetic=true
-else
-    use_arithmetic=false
-fi
-
 tests=0
 failed=0
 
 HGTMP=""
 cleanup_exit() {
     rm -rf "$HGTMP"
     exit $1
 }
 
 # Remove temporary files even if we get interrupted
 trap "cleanup_exit 255" TERM KILL INT QUIT ABRT
 
 HGTMP="${TMPDIR-/tmp}/hgtests.$RANDOM.$RANDOM.$RANDOM.$$"
 (umask 077 && mkdir "$HGTMP") || {
     echo "Could not create temporary directory! Exiting." 1>&2
     exit 1
 }
 
 TESTDIR="$PWD"
 
 if [ -d /usr/lib64 ]; then
     lib=lib64
 else
     lib=lib
 fi
 
 INST="$HGTMP/install"
 cd ..
-if ${PYTHON:-python} setup.py install --home="$INST" > tests/install.err 2>&1
+if ${PYTHON-python} setup.py install --home="$INST" > tests/install.err 2>&1
 then
     rm tests/install.err
     mv "$INST/bin/hg" "$INST/bin/hg.real"
     (
 	echo '#!/bin/sh'
 	echo 'echo "+ hg $@"'
 	echo 'exec hg.real "$@"'
     ) > "$INST/bin/hg"
     chmod 755 "$INST/bin/hg"
 else
     cat tests/install.err
     cleanup_exit 1
 fi
 cd "$TESTDIR"
 
 PATH="$INST/bin:$PATH"; export PATH
 PYTHONPATH="$INST/$lib/python"; export PYTHONPATH
 
 
 run_one() {
     rm -f "$1.err"
 
     mkdir "$HGTMP/$1"
     cd "$HGTMP/$1"
     fail=0
     HOME="$HGTMP/$1"; export HOME
     OUT="$HGTMP/$1.out"
     OUTOK="$TESTDIR/$1.out"
     ERR="$TESTDIR/$1.err"
 
     if "$TESTDIR/$1" > "$OUT" 2>&1; then
 	: no error
     else
 	echo "$1 failed with error code $?"
 	fail=1
     fi
 
     if [ -s "$OUT" -a ! -s "$OUTOK" ] ; then
 	cp "$OUT" "$ERR"
 	echo
 	echo "$1 generated unexpected output:"
 	cat "$ERR"
 	fail=1
     elif [ -r "$OUTOK" ]; then
 	if diff -u "$OUTOK" "$OUT" > /dev/null; then
 	    : no differences
 	else
 	    if FIXME="`grep 'FIXME' \"$TESTDIR/$1\"`"; then
 		echo
 		echo "$1 failed, but this is ignored because of:"
 		echo "$FIXME"
 	    else
 		cp "$OUT" "$ERR"
 		echo
 		echo "$1 output changed:"
 		diff -u "$OUTOK" "$ERR" || true
 		fail=1
 	    fi
 	fi
     fi
 
     cd "$TESTDIR"
     rm -f "$HGTMP/$1.out"
     rm -rf "$HGTMP/$1"
     return $fail
 }
 
-TESTS="$@"
+TESTS="$*"
 if [ -z "$TESTS" ] ; then
-    TESTS=`ls test-* | grep -Ev "\.|~"`
+    TESTS=`ls test-* | grep -v "[.~]"`
 fi
 
 for f in $TESTS ; do
     echo -n "."
-    if $use_arithmetic; then
-	run_one $f || failed=$[$failed + 1]
-	tests=$[$tests + 1]
-    else
-	run_one $f || failed=1
-    fi
+    run_one $f || failed=`expr $failed + 1`
+    tests=`expr $tests + 1`
 done
 
-if $use_arithmetic; then
     echo
     echo "Ran $tests tests, $failed failed."
 
     if [ $failed -gt 0 ] ; then
 	cleanup_exit 1
     fi
-else
-    echo
-    if [ "$failed" = "1" ] ; then
-	echo "Ran tests, at least one failed."
-	cleanup_exit 1
-    else
-	echo "Ran tests, none failed."
-    fi
-fi
 cleanup_exit 0