diff --git a/tests/test-diff-upgrade.t b/tests/test-diff-upgrade.t
--- a/tests/test-diff-upgrade.t
+++ b/tests/test-diff-upgrade.t
@@ -185,7 +185,7 @@
   % git=auto: git diff for newbinary
   diff --git a/newbinary b/newbinary
   new file mode 100644
-  index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..f76dd238ade08917e6712764a16a22005a50573d
+  index 0000000000000000000000000000000000000000..f76dd238ade08917e6712764a16a22005a50573d
   GIT binary patch
   literal 1
   Ic${MZ000310RR91
@@ -202,7 +202,7 @@
   % git=auto: git diff for rmbinary
   diff --git a/rmbinary b/rmbinary
   deleted file mode 100644
-  index f76dd238ade08917e6712764a16a22005a50573d..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
+  index f76dd238ade08917e6712764a16a22005a50573d..0000000000000000000000000000000000000000
   GIT binary patch
   literal 0
   Hc$@<O00001
diff --git a/tests/test-diffstat.t b/tests/test-diffstat.t
--- a/tests/test-diffstat.t
+++ b/tests/test-diffstat.t
@@ -111,7 +111,7 @@
   
   diff --git c c
   new file mode 100644
-  index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..f76dd238ade08917e6712764a16a22005a50573d
+  index 0000000000000000000000000000000000000000..f76dd238ade08917e6712764a16a22005a50573d
   GIT binary patch
   literal 1
   Ic${MZ000310RR91
diff --git a/tests/test-git-export.t b/tests/test-git-export.t
--- a/tests/test-git-export.t
+++ b/tests/test-git-export.t
@@ -346,7 +346,7 @@
   $ cat b.diff
   diff --git a/binfile.bin b/binfile.bin
   new file mode 100644
-  index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..37ba3d1c6f17137d9c5f5776fa040caf5fe73ff9
+  index 0000000000000000000000000000000000000000..37ba3d1c6f17137d9c5f5776fa040caf5fe73ff9
   GIT binary patch
   literal 593
   zc$@)I0<QguP)<h;3K|Lk000e1NJLTq000mG000mO0ssI2kdbIM00009a7bBm000XU
diff --git a/tests/test-log-linerange.t b/tests/test-log-linerange.t
--- a/tests/test-log-linerange.t
+++ b/tests/test-log-linerange.t
@@ -1114,7 +1114,7 @@
   
   diff --git a/dir/binary b/dir/binary
   new file mode 100644
-  index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..c2e1fbed209fe919b3f189a6a31950e9adf61e45
+  index 0000000000000000000000000000000000000000..c2e1fbed209fe919b3f189a6a31950e9adf61e45
   GIT binary patch
   literal 17
   Wc$_QA$SmdpqC~Ew%)G>+N(KNlNClYy