Update tests to use test-chmtime

test-lib:
  Make sure test-chmtime has been built before starting.

t4200-rerere:
  Removed non-portable date dependency and avoid touch
  Avoid "test -a" which isn't portable, either

lib-git-svn:
  Use test-chmtime instead of Perl one-liner to poke

Signed-off-by: Eric Wong <normalperson@yhbt.net>
Signed-off-by: Junio C Hamano <junkio@cox.net>

t/lib-git-svn.sh

@@ -46,5 +46,5 @@ rawsvnrepo="$svnrepo"
 svnrepo="file://$svnrepo"
 
 poke() {
-	perl -e '@x = stat($ARGV[0]); utime($x[8], $x[9] + 1, $ARGV[0])' "$1"
+	test-chmtime +1 "$1"
 }

t/t4200-rerere.sh

@@ -112,39 +112,26 @@ rr2=.git/rr-cache/$sha2
 mkdir $rr2
 echo Hello > $rr2/preimage
 
-case "$(date -d @11111111 +%s 2>/dev/null)" in
-11111111)
-	# 'date' must be able to take arbitrary input with @11111111 notation.
-	# for this test to succeed.  We should fix this part using more
-	# portable script someday.
-
-	now=$(date +%s)
-	almost_15_days_ago=$(($now+60-15*86400))
-	just_over_15_days_ago=$(($now-1-15*86400))
-	almost_60_days_ago=$(($now+60-60*86400))
-	just_over_60_days_ago=$(($now-1-60*86400))
-	predate1="$(date -d "@$almost_60_days_ago" +%Y%m%d%H%M.%S)"
-	predate2="$(date -d "@$almost_15_days_ago" +%Y%m%d%H%M.%S)"
-	postdate1="$(date -d "@$just_over_60_days_ago" +%Y%m%d%H%M.%S)"
-	postdate2="$(date -d "@$just_over_15_days_ago" +%Y%m%d%H%M.%S)"
-
-	touch -m -t "$predate1" $rr/preimage
-	touch -m -t "$predate2" $rr2/preimage
-
-	test_expect_success 'garbage collection (part1)' 'git rerere gc'
-
-	test_expect_success 'young records still live' \
-		"test -f $rr/preimage -a -f $rr2/preimage"
-
-	touch -m -t "$postdate1" $rr/preimage
-	touch -m -t "$postdate2" $rr2/preimage
-
-	test_expect_success 'garbage collection (part2)' 'git rerere gc'
-
-	test_expect_success 'old records rest in peace' \
-		"test ! -f $rr/preimage -a ! -f $rr2/preimage"
-	;;
-esac
+almost_15_days_ago=$((60-15*86400))
+just_over_15_days_ago=$((-1-15*86400))
+almost_60_days_ago=$((60-60*86400))
+just_over_60_days_ago=$((-1-60*86400))
+
+test-chmtime =$almost_60_days_ago $rr/preimage
+test-chmtime =$almost_15_days_ago $rr2/preimage
+
+test_expect_success 'garbage collection (part1)' 'git rerere gc'
+
+test_expect_success 'young records still live' \
+	"test -f $rr/preimage && test -f $rr2/preimage"
+
+test-chmtime =$just_over_60_days_ago $rr/preimage
+test-chmtime =$just_over_15_days_ago $rr2/preimage
+
+test_expect_success 'garbage collection (part2)' 'git rerere gc'
+
+test_expect_success 'old records rest in peace' \
+	"test ! -f $rr/preimage && test ! -f $rr2/preimage"
 
 test_done
 

t/test-lib.sh

@@ -264,6 +264,12 @@ test -d ../templates/blt || {
 	error "You haven't built things yet, have you?"
 }
 
+if ! test -x ../test-chmtime; then
+	echo >&2 'You need to build test-chmtime:'
+	echo >&2 'Run "make test-chmtime" in the source (toplevel) directory'
+	exit 1
+fi
+
 # Test repository
 test=trash
 rm -fr "$test"