Merge branch 'bc/hash-independent-tests-part-7'

Preparation of test scripts for the day when the object names will
use SHA-256 continues.

* bc/hash-independent-tests-part-7:
  t5604: make hash independent
  t5601: switch into repository to hash object
  t5562: use $ZERO_OID
  t5540: make hash size independent
  t5537: make hash size independent
  t5530: compute results based on object length
  t5512: abstract away SHA-1-specific constants
  t5510: make hash size independent
  t5504: make hash algorithm independent
  t5324: make hash size independent
  t5319: make test work with SHA-256
  t5319: change invalid offset for SHA-256 compatibility
  t5318: update for SHA-256
  t4300: abstract away SHA-1-specific constants
  t4204: make hash size independent
  t4202: abstract away SHA-1-specific constants
  t4200: make hash size independent
  t4134: compute appropriate length constant
  t4066: compute index line in diffs
  t4054: make hash-size independent

t/t4054-diff-bogus-tree.sh

@@ -4,8 +4,9 @@ test_description='test diff with a bogus tree containing the null sha1'
 . ./test-lib.sh
 
 test_expect_success 'create bogus tree' '
+	name=$(echo $ZERO_OID | sed -e "s/00/Q/g") &&
 	bogus_tree=$(
-		printf "100644 fooQQQQQQQQQQQQQQQQQQQQQ" |
+		printf "100644 fooQ$name" |
 		q_to_nul |
 		git hash-object -w --stdin -t tree
 	)

t/t4066-diff-emit-delay.sh

@@ -18,15 +18,15 @@ test_expect_success 'set up history with a merge' '
 '
 
 test_expect_success 'log --cc -p --stat --color-moved' '
-	cat >expect <<-\EOF &&
+	cat >expect <<-EOF &&
 	commit D
 	---
 	 D.t | 1 +
 	 1 file changed, 1 insertion(+)
 
 	diff --git a/D.t b/D.t
 	new file mode 100644
-	index 0000000..1784810
+	index 0000000..$(git rev-parse --short D:D.t)
 	--- /dev/null
 	+++ b/D.t
 	@@ -0,0 +1 @@
@@ -42,7 +42,7 @@ test_expect_success 'log --cc -p --stat --color-moved' '
 
 	diff --git a/C.t b/C.t
 	new file mode 100644
-	index 0000000..3cc58df
+	index 0000000..$(git rev-parse --short C:C.t)
 	--- /dev/null
 	+++ b/C.t
 	@@ -0,0 +1 @@
@@ -54,7 +54,7 @@ test_expect_success 'log --cc -p --stat --color-moved' '
 
 	diff --git a/B.t b/B.t
 	new file mode 100644
-	index 0000000..223b783
+	index 0000000..$(git rev-parse --short B:B.t)
 	--- /dev/null
 	+++ b/B.t
 	@@ -0,0 +1 @@
@@ -66,7 +66,7 @@ test_expect_success 'log --cc -p --stat --color-moved' '
 
 	diff --git a/A.t b/A.t
 	new file mode 100644
-	index 0000000..f70f10e
+	index 0000000..$(git rev-parse --short A:A.t)
 	--- /dev/null
 	+++ b/A.t
 	@@ -0,0 +1 @@

t/t4134-apply-submodule.sh

@@ -8,14 +8,15 @@ test_description='git apply submodule tests'
 . ./test-lib.sh
 
 test_expect_success setup '
+	test_oid_init &&
 	cat > create-sm.patch <<EOF &&
 diff --git a/dir/sm b/dir/sm
 new file mode 160000
 index 0000000..0123456
 --- /dev/null
 +++ b/dir/sm
 @@ -0,0 +1 @@
-+Subproject commit 0123456789abcdef0123456789abcdef01234567
++Subproject commit $(test_oid numeric)
 EOF
 	cat > remove-sm.patch <<EOF
 diff --git a/dir/sm b/dir/sm
@@ -24,7 +25,7 @@ index 0123456..0000000
 --- a/dir/sm
 +++ /dev/null
 @@ -1 +0,0 @@
--Subproject commit 0123456789abcdef0123456789abcdef01234567
+-Subproject commit $(test_oid numeric)
 EOF
 '
 

t/t4200-rerere.sh

@@ -25,6 +25,7 @@ test_description='git rerere
 . ./test-lib.sh
 
 test_expect_success 'setup' '
+	test_oid_init &&
 	cat >a1 <<-\EOF &&
 	Some title
 	==========
@@ -210,7 +211,7 @@ test_expect_success 'set up for garbage collection tests' '
 	echo Hello >$rr/preimage &&
 	echo World >$rr/postimage &&
 
-	sha2=4000000000000000000000000000000000000000 &&
+	sha2=$(test_oid deadbeef) &&
 	rr2=.git/rr-cache/$sha2 &&
 	mkdir $rr2 &&
 	echo Hello >$rr2/preimage &&