)
'
+check_allow () {
+ git rev-parse --git-dir >actual &&
+ echo .git >expect &&
+ test_cmp expect actual
+}
+
+check_abort () {
+ test_must_fail git rev-parse --git-dir
+}
+
+# avoid git-config, since it cannot be trusted to run
+# in a repository with a broken version
+mkconfig () {
+ echo '[core]' &&
+ echo "repositoryformatversion = $1" &&
+ shift &&
+
+ if test $# -gt 0; then
+ echo '[extensions]' &&
+ for i in "$@"; do
+ echo "$i"
+ done
+ fi
+}
+
+while read outcome version extensions; do
+ test_expect_success "$outcome version=$version $extensions" "
+ mkconfig $version $extensions >.git/config &&
+ check_${outcome}
+ "
+done <<\EOF
+allow 0
+allow 1
+allow 1 noop
+abort 1 no-such-extension
+allow 0 no-such-extension
+EOF
+
+test_expect_success 'precious-objects allowed' '
+ mkconfig 1 preciousObjects >.git/config &&
+ check_allow
+'
+
+test_expect_success 'precious-objects blocks destructive repack' '
+ test_must_fail git repack -ad
+'
+
+test_expect_success 'other repacks are OK' '
+ test_commit foo &&
+ git repack
+'
+
+test_expect_success 'precious-objects blocks prune' '
+ test_must_fail git prune
+'
+
+test_expect_success 'gc runs without complaint' '
+ git gc
+'
+
test_done