rebase -i --autosquash: demonstrate a problem skipping the last squash

diff --git a/t/t1450-fsck.sh b/t/t1450-fsck.sh
index 4087150db1b787540abc5a5f648839efbe4d78e3..91fd71444dbe40400b6608b56d51ae72e8ceafbc 100755 (executable)
--- a/t/t1450-fsck.sh
+++ b/t/t1450-fsck.sh
@@ -222,6 +222,28 @@ test_expect_success 'unparseable tree object' '
        test_i18ngrep ! "fatal: empty filename in tree entry" out
 '
 
+hex2oct() {
+       perl -ne 'printf "\\%03o", hex for /../g'
+}
+
+test_expect_success 'tree entry with type mismatch' '
+       test_when_finished "remove_object \$blob" &&
+       test_when_finished "remove_object \$tree" &&
+       test_when_finished "remove_object \$commit" &&
+       test_when_finished "git update-ref -d refs/heads/type_mismatch" &&
+       blob=$(echo blob | git hash-object -w --stdin) &&
+       blob_bin=$(echo $blob | hex2oct) &&
+       tree=$(
+               printf "40000 dir\0${blob_bin}100644 file\0${blob_bin}" |
+               git hash-object -t tree --stdin -w --literally
+       ) &&
+       commit=$(git commit-tree $tree) &&
+       git update-ref refs/heads/type_mismatch $commit &&
+       test_must_fail git fsck >out 2>&1 &&
+       test_i18ngrep "is a blob, not a tree" out &&
+       test_i18ngrep ! "dangling blob" out
+'
+
 test_expect_success 'tag pointing to nonexistent' '
        cat >invalid-tag <<-\EOF &&
        object ffffffffffffffffffffffffffffffffffffffff
@@ -691,7 +713,7 @@ test_expect_success 'fsck notices dangling objects' '
 
 test_expect_success 'fsck $name notices bogus $name' '
        test_must_fail git fsck bogus &&
-       test_must_fail git fsck $_z40
+       test_must_fail git fsck $ZERO_OID
 '
 
 test_expect_success 'bogus head does not fallback to all heads' '
@@ -701,7 +723,7 @@ test_expect_success 'bogus head does not fallback to all heads' '
        blob=$(git rev-parse :foo) &&
        test_when_finished "git rm --cached foo" &&
        remove_object $blob &&
-       test_must_fail git fsck $_z40 >out 2>&1 &&
+       test_must_fail git fsck $ZERO_OID >out 2>&1 &&
        ! grep $blob out
 '