t1006: test oid compatibility with cat-file

Update the existing tests that are oid based to test that cat-file
works correctly with the normal oid and the compat_oid.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

t/t1006-cat-file.sh

@@ -236,15 +236,21 @@ hello_size=$(strlen "$hello_content")
 hello_oid=$(echo_without_newline "$hello_content" | git hash-object --stdin)
 
 test_expect_success "setup" '
+	git config core.repositoryformatversion 1 &&
+	git config extensions.objectformat $test_hash_algo &&
+	git config extensions.compatobjectformat $test_compat_hash_algo &&
 	echo_without_newline "$hello_content" > hello &&
 	git update-index --add hello
 '
 
-run_tests 'blob' $hello_oid $hello_size "$hello_content" "$hello_content"
+run_blob_tests () {
+    oid=$1
+
+    run_tests 'blob' $oid $hello_size "$hello_content" "$hello_content"
 
     test_expect_success '--batch-command --buffer with flush for blob info' '
-	echo "$hello_oid blob $hello_size" >expect &&
+	echo "$oid blob $hello_size" >expect &&
-	test_write_lines "info $hello_oid" "flush" |
+	test_write_lines "info $oid" "flush" |
 	GIT_TEST_CAT_FILE_NO_FLUSH_ON_EXIT=1 \
 	git cat-file --batch-command --buffer >actual &&
 	test_cmp expect actual
@@ -252,11 +258,16 @@ test_expect_success '--batch-command --buffer with flush for blob info' '
 
     test_expect_success '--batch-command --buffer without flush for blob info' '
 	touch output &&
-	test_write_lines "info $hello_oid" |
+	test_write_lines "info $oid" |
 	GIT_TEST_CAT_FILE_NO_FLUSH_ON_EXIT=1 \
 	git cat-file --batch-command --buffer >>output &&
 	test_must_be_empty output
     '
+}
+
+hello_compat_oid=$(git rev-parse --output-object-format=$test_compat_hash_algo $hello_oid)
+run_blob_tests $hello_oid
+run_blob_tests $hello_compat_oid
 
 test_expect_success '--batch-check without %(rest) considers whole line' '
 	echo "$hello_oid blob $hello_size" >expect &&
@@ -267,35 +278,58 @@ test_expect_success '--batch-check without %(rest) considers whole line' '
 '
 
 tree_oid=$(git write-tree)
+tree_compat_oid=$(git rev-parse --output-object-format=$test_compat_hash_algo $tree_oid)
 tree_size=$(($(test_oid rawsz) + 13))
+tree_compat_size=$(($(test_oid --hash=compat rawsz) + 13))
 tree_pretty_content="100644 blob $hello_oid	hello${LF}"
+tree_compat_pretty_content="100644 blob $hello_compat_oid	hello${LF}"
 
 run_tests 'tree' $tree_oid $tree_size "" "$tree_pretty_content"
+run_tests 'tree' $tree_compat_oid $tree_compat_size "" "$tree_compat_pretty_content"
 
 commit_message="Initial commit"
 commit_oid=$(echo_without_newline "$commit_message" | git commit-tree $tree_oid)
+commit_compat_oid=$(git rev-parse --output-object-format=$test_compat_hash_algo $commit_oid)
 commit_size=$(($(test_oid hexsz) + 137))
+commit_compat_size=$(($(test_oid --hash=compat hexsz) + 137))
 commit_content="tree $tree_oid
 author $GIT_AUTHOR_NAME <$GIT_AUTHOR_EMAIL> $GIT_AUTHOR_DATE
 committer $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> $GIT_COMMITTER_DATE
 
 $commit_message"
 
-run_tests 'commit' $commit_oid $commit_size "$commit_content" "$commit_content"
+commit_compat_content="tree $tree_compat_oid
+author $GIT_AUTHOR_NAME <$GIT_AUTHOR_EMAIL> $GIT_AUTHOR_DATE
+committer $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> $GIT_COMMITTER_DATE
 
-tag_header_without_timestamp="object $hello_oid
+$commit_message"
-type blob
+
+run_tests 'commit' $commit_oid $commit_size "$commit_content" "$commit_content"
+run_tests 'commit' $commit_compat_oid $commit_compat_size "$commit_compat_content" "$commit_compat_content"
+
+tag_header_without_oid="type blob
 tag hellotag
 tagger $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL>"
+tag_header_without_timestamp="object $hello_oid
+$tag_header_without_oid"
+tag_compat_header_without_timestamp="object $hello_compat_oid
+$tag_header_without_oid"
 tag_description="This is a tag"
 tag_content="$tag_header_without_timestamp 0 +0000
 
+$tag_description"
+tag_compat_content="$tag_compat_header_without_timestamp 0 +0000
+
 $tag_description"
 
 tag_oid=$(echo_without_newline "$tag_content" | git hash-object -t tag --stdin -w)
 tag_size=$(strlen "$tag_content")
 
+tag_compat_oid=$(git rev-parse --output-object-format=$test_compat_hash_algo $tag_oid)
+tag_compat_size=$(strlen "$tag_compat_content")
+
 run_tests 'tag' $tag_oid $tag_size "$tag_content" "$tag_content"
+run_tests 'tag' $tag_compat_oid $tag_compat_size "$tag_compat_content" "$tag_compat_content"
 
 test_expect_success "Reach a blob from a tag pointing to it" '
 	echo_without_newline "$hello_content" >expect &&
@@ -303,38 +337,44 @@ test_expect_success "Reach a blob from a tag pointing to it" '
 	test_cmp expect actual
 '
 
+for oid in $hello_oid $hello_compat_oid
+do
     for batch in batch batch-check batch-command
     do
 	for opt in t s e p
 	do
 	test_expect_success "Passing -$opt with --$batch fails" '
-	    test_must_fail git cat-file --$batch -$opt $hello_oid
+	    test_must_fail git cat-file --$batch -$opt $oid
 	'
 
 	test_expect_success "Passing --$batch with -$opt fails" '
-	    test_must_fail git cat-file -$opt --$batch $hello_oid
+	    test_must_fail git cat-file -$opt --$batch $oid
 	'
 	done
 
 	test_expect_success "Passing <type> with --$batch fails" '
-	test_must_fail git cat-file --$batch blob $hello_oid
+	test_must_fail git cat-file --$batch blob $oid
 	'
 
 	test_expect_success "Passing --$batch with <type> fails" '
-	test_must_fail git cat-file blob --$batch $hello_oid
+	test_must_fail git cat-file blob --$batch $oid
 	'
 
 	test_expect_success "Passing oid with --$batch fails" '
-	test_must_fail git cat-file --$batch $hello_oid
+	test_must_fail git cat-file --$batch $oid
 	'
     done
+done
 
+for oid in $hello_oid $hello_compat_oid
+do
     for opt in t s e p
     do
 	test_expect_success "Passing -$opt with --follow-symlinks fails" '
-	    test_must_fail git cat-file --follow-symlinks -$opt $hello_oid
+	    test_must_fail git cat-file --follow-symlinks -$opt $oid
 	'
     done
+done
 
 test_expect_success "--batch-check for a non-existent named object" '
 	cat >expect <<-EOF &&
@@ -386,20 +426,31 @@ test_expect_success 'empty --batch-check notices missing object' '
 	test_cmp expect actual
 '
 
-batch_input="$hello_oid
+batch_tests () {
-$commit_oid
+    boid=$1
-$tag_oid
+    loid=$2
+    lsize=$3
+    coid=$4
+    csize=$5
+    ccontent=$6
+    toid=$7
+    tsize=$8
+    tcontent=$9
+
+    batch_input="$boid
+$coid
+$toid
 deadbeef
 
 "
 
     printf "%s\0" \
-	"$hello_oid blob $hello_size" \
+	"$boid blob $hello_size" \
 	"$hello_content" \
-	"$commit_oid commit $commit_size" \
+	"$coid commit $csize" \
-	"$commit_content" \
+	"$ccontent" \
-	"$tag_oid tag $tag_size" \
+	"$toid tag $tsize" \
-	"$tag_content" \
+	"$tcontent" \
 	"deadbeef missing" \
 	" missing" >batch_output
 
@@ -423,19 +474,19 @@ test_expect_success '--batch, -Z with multiple oids gives correct format' '
 	test_cmp batch_output actual
     '
 
-batch_check_input="$hello_oid
+batch_check_input="$boid
-$tree_oid
+$loid
-$commit_oid
+$coid
-$tag_oid
+$toid
 deadbeef
 
 "
 
     printf "%s\0" \
-	"$hello_oid blob $hello_size" \
+	"$boid blob $hello_size" \
-	"$tree_oid tree $tree_size" \
+	"$loid tree $lsize" \
-	"$commit_oid commit $commit_size" \
+	"$coid commit $csize" \
-	"$tag_oid tag $tag_size" \
+	"$toid tag $tsize" \
 	"deadbeef missing" \
 	" missing" >batch_check_output
 
@@ -459,39 +510,18 @@ test_expect_success "--batch-check, -Z with multiple oids gives correct format"
 	test_cmp batch_check_output actual
     '
 
-test_expect_success FUNNYNAMES 'setup with newline in input' '
+batch_command_multiple_info="info $boid
-	touch -- "newline${LF}embedded" &&
+info $loid
-	git add -- "newline${LF}embedded" &&
+info $coid
-	git commit -m "file with newline embedded" &&
+info $toid
-	test_tick &&
-
-	printf "HEAD:newline${LF}embedded" >in
-'
-
-test_expect_success FUNNYNAMES '--batch-check, -z with newline in input' '
-	git cat-file --batch-check -z <in >actual &&
-	echo "$(git rev-parse "HEAD:newline${LF}embedded") blob 0" >expect &&
-	test_cmp expect actual
-'
-
-test_expect_success FUNNYNAMES '--batch-check, -Z with newline in input' '
-	git cat-file --batch-check -Z <in >actual &&
-	printf "%s\0" "$(git rev-parse "HEAD:newline${LF}embedded") blob 0" >expect &&
-	test_cmp expect actual
-'
-
-batch_command_multiple_info="info $hello_oid
-info $tree_oid
-info $commit_oid
-info $tag_oid
 info deadbeef"
 
     test_expect_success '--batch-command with multiple info calls gives correct format' '
 	cat >expect <<-EOF &&
-	$hello_oid blob $hello_size
+	$boid blob $hello_size
-	$tree_oid tree $tree_size
+	$loid tree $lsize
-	$commit_oid commit $commit_size
+	$coid commit $csize
-	$tag_oid tag $tag_size
+	$toid tag $tsize
 	deadbeef missing
 	EOF
 
@@ -512,20 +542,20 @@ test_expect_success '--batch-command with multiple info calls gives correct form
 	test_cmp expect_nul actual
     '
 
-batch_command_multiple_contents="contents $hello_oid
+batch_command_multiple_contents="contents $boid
-contents $commit_oid
+contents $coid
-contents $tag_oid
+contents $toid
 contents deadbeef
 flush"
 
     test_expect_success '--batch-command with multiple command calls gives correct format' '
 	printf "%s\0" \
-		"$hello_oid blob $hello_size" \
+		"$boid blob $hello_size" \
 		"$hello_content" \
-		"$commit_oid commit $commit_size" \
+		"$coid commit $csize" \
-		"$commit_content" \
+		"$ccontent" \
-		"$tag_oid tag $tag_size" \
+		"$toid tag $tsize" \
-		"$tag_content" \
+		"$tcontent" \
 		"deadbeef missing" >expect_nul &&
 	tr "\0" "\n" <expect_nul >expect &&
 
@@ -545,6 +575,33 @@ test_expect_success '--batch-command with multiple command calls gives correct f
 	test_cmp expect_nul actual
     '
 
+}
+
+batch_tests $hello_oid $tree_oid $tree_size $commit_oid $commit_size "$commit_content" $tag_oid $tag_size "$tag_content"
+batch_tests $hello_compat_oid $tree_compat_oid $tree_compat_size $commit_compat_oid $commit_compat_size "$commit_compat_content" $tag_compat_oid $tag_compat_size "$tag_compat_content"
+
+
+test_expect_success FUNNYNAMES 'setup with newline in input' '
+	touch -- "newline${LF}embedded" &&
+	git add -- "newline${LF}embedded" &&
+	git commit -m "file with newline embedded" &&
+	test_tick &&
+
+	printf "HEAD:newline${LF}embedded" >in
+'
+
+test_expect_success FUNNYNAMES '--batch-check, -z with newline in input' '
+	git cat-file --batch-check -z <in >actual &&
+	echo "$(git rev-parse "HEAD:newline${LF}embedded") blob 0" >expect &&
+	test_cmp expect actual
+'
+
+test_expect_success FUNNYNAMES '--batch-check, -Z with newline in input' '
+	git cat-file --batch-check -Z <in >actual &&
+	printf "%s\0" "$(git rev-parse "HEAD:newline${LF}embedded") blob 0" >expect &&
+	test_cmp expect actual
+'
+
 test_expect_success 'setup blobs which are likely to delta' '
 	test-tool genrandom foo 10240 >foo &&
 	{ cat foo && echo plus; } >foo-plus &&