t2101: abstract away SHA-1-specific constants

Adjust the test so that it uses variables and command substitution for
blobs instead of hard-coded hashes.

Signed-off-by: brian m. carlson <[email protected]>
Signed-off-by: Junio C Hamano <[email protected]>

Author: bk2204

t/t2101-update-index-reupdate.sh

@@ -8,15 +8,15 @@ test_description='git update-index --again test.
 
 . ./test-lib.sh
 
-cat > expected <<\EOF
-100644 3b18e512dba79e4c8300dd08aeb37f8e728b8dad 0	file1
-100644 9db8893856a8a02eaa73470054b7c1c5a7c82e47 0	file2
-EOF
 test_expect_success 'update-index --add' '
 	echo hello world >file1 &&
 	echo goodbye people >file2 &&
 	git update-index --add file1 file2 &&
 	git ls-files -s >current &&
+	cat >expected <<-EOF &&
+	100644 $(git hash-object file1) 0	file1
+	100644 $(git hash-object file2) 0	file2
+	EOF
 	cmp current expected
 '
 
@@ -34,21 +34,17 @@ test_expect_success 'update-index --again' '
 	cmp current expected
 '
 
-cat > expected <<\EOF
-100644 0f1ae1422c2bf43f117d3dbd715c988a9ed2103f 0	file2
-EOF
 test_expect_success 'update-index --remove --again' '
 	git update-index --remove --again &&
 	git ls-files -s >current &&
+	cat >expected <<-EOF &&
+	100644 $(git hash-object file2) 0	file2
+	EOF
 	cmp current expected
 '
 
 test_expect_success 'first commit' 'git commit -m initial'
 
-cat > expected <<\EOF
-100644 53ab446c3f4e42ce9bb728a0ccb283a101be4979 0	dir1/file3
-100644 0f1ae1422c2bf43f117d3dbd715c988a9ed2103f 0	file2
-EOF
 test_expect_success 'update-index again' '
 	mkdir -p dir1 &&
 	echo hello world >dir1/file3 &&
@@ -58,32 +54,37 @@ test_expect_success 'update-index again' '
 	echo happy >dir1/file3 &&
 	git update-index --again &&
 	git ls-files -s >current &&
+	cat >expected <<-EOF &&
+	100644 $(git hash-object dir1/file3) 0	dir1/file3
+	100644 $(git hash-object file2) 0	file2
+	EOF
 	cmp current expected
 '
 
-cat > expected <<\EOF
-100644 d7fb3f695f06c759dbf3ab00046e7cc2da22d10f 0	dir1/file3
-100644 0f1ae1422c2bf43f117d3dbd715c988a9ed2103f 0	file2
-EOF
+file2=$(git hash-object file2)
 test_expect_success 'update-index --update from subdir' '
 	echo not so happy >file2 &&
 	(cd dir1 &&
 	cat ../file2 >file3 &&
 	git update-index --again
 	) &&
 	git ls-files -s >current &&
-	cmp current expected
+	cat >expected <<-EOF &&
+	100644 $(git hash-object dir1/file3) 0	dir1/file3
+	100644 $file2 0	file2
+	EOF
+	test_cmp current expected
 '
 
-cat > expected <<\EOF
-100644 594fb5bb1759d90998e2bf2a38261ae8e243c760 0	dir1/file3
-100644 0f1ae1422c2bf43f117d3dbd715c988a9ed2103f 0	file2
-EOF
 test_expect_success 'update-index --update with pathspec' '
 	echo very happy >file2 &&
 	cat file2 >dir1/file3 &&
 	git update-index --again dir1/ &&
 	git ls-files -s >current &&
+	cat >expected <<-EOF &&
+	100644 $(git hash-object dir1/file3) 0	dir1/file3
+	100644 $file2 0	file2
+	EOF
 	cmp current expected
 '