index-pack: work around thread-unsafe pread()

diff --git a/t/t4300-merge-tree.sh b/t/t4300-merge-tree.sh
index d0b2a457b8bf30fc7ab472ff6b2576ff319432f7..9015e476541dafdd6a82efcd4ace6038461d8522 100755 (executable)
--- a/t/t4300-merge-tree.sh
+++ b/t/t4300-merge-tree.sh
@@ -26,8 +26,6 @@ EXPECTED
 
 test_expect_success 'file add !A, B' '
        cat >expected <<\EXPECTED &&
-added in local
-  our    100644 43d5a8ed6ef6c00ff775008633f95787d088285d ONE
 EXPECTED
 
        git reset --hard initial &&
@@ -38,9 +36,6 @@ EXPECTED
 
 test_expect_success 'file add A, B (same)' '
        cat >expected <<\EXPECTED &&
-added in both
-  our    100644 43d5a8ed6ef6c00ff775008633f95787d088285d ONE
-  their  100644 43d5a8ed6ef6c00ff775008633f95787d088285d ONE
 EXPECTED
 
        git reset --hard initial &&
@@ -181,9 +176,6 @@ AAA" &&
 
 test_expect_success 'file remove A, !B' '
        cat >expected <<\EXPECTED &&
-removed in local
-  base   100644 43d5a8ed6ef6c00ff775008633f95787d088285d ONE
-  their  100644 43d5a8ed6ef6c00ff775008633f95787d088285d ONE
 EXPECTED
 
        git reset --hard initial &&
@@ -213,6 +205,19 @@ EXPECTED
        test_cmp expected actual
 '
 
+test_expect_success 'file remove A, B (same)' '
+       cat >expected <<\EXPECTED &&
+EXPECTED
+
+       git reset --hard initial &&
+       test_commit "rm-a-b-base" "ONE" "AAA" &&
+       git rm ONE &&
+       git commit -m "rm-a-b" &&
+       git tag "rm-a-b" &&
+       git merge-tree rm-a-b-base rm-a-b rm-a-b >actual &&
+       test_cmp expected actual
+'
+
 test_expect_success 'file change A, remove B' '
        cat >expected <<\EXPECTED &&
 removed in remote
@@ -254,6 +259,57 @@ EXPECTED
        test_cmp expected actual
 '
 
+test_expect_success 'tree add A, B (same)' '
+       cat >expect <<-\EOF &&
+       EOF
+       git reset --hard initial &&
+       mkdir sub &&
+       test_commit "add sub/file" "sub/file" "file" add-tree-A &&
+       git merge-tree initial add-tree-A add-tree-A >actual &&
+       test_cmp expect actual
+'
+
+test_expect_success 'tree add A, B (different)' '
+       cat >expect <<-\EOF &&
+       added in both
+         our    100644 43d5a8ed6ef6c00ff775008633f95787d088285d sub/file
+         their  100644 ba629238ca89489f2b350e196ca445e09d8bb834 sub/file
+       @@ -1 +1,5 @@
+       +<<<<<<< .our
+        AAA
+       +=======
+       +BBB
+       +>>>>>>> .their
+       EOF
+       git reset --hard initial &&
+       mkdir sub &&
+       test_commit "add sub/file" "sub/file" "AAA" add-tree-a-b-A &&
+       git reset --hard initial &&
+       mkdir sub &&
+       test_commit "add sub/file" "sub/file" "BBB" add-tree-a-b-B &&
+       git merge-tree initial add-tree-a-b-A add-tree-a-b-B >actual &&
+       test_cmp expect actual
+'
+
+test_expect_success 'tree unchanged A, removed B' '
+       cat >expect <<-\EOF &&
+       removed in remote
+         base   100644 43d5a8ed6ef6c00ff775008633f95787d088285d sub/file
+         our    100644 43d5a8ed6ef6c00ff775008633f95787d088285d sub/file
+       @@ -1 +0,0 @@
+       -AAA
+       EOF
+       git reset --hard initial &&
+       mkdir sub &&
+       test_commit "add sub/file" "sub/file" "AAA" tree-remove-b-initial &&
+       git rm sub/file &&
+       test_tick &&
+       git commit -m "remove sub/file" &&
+       git tag tree-remove-b-B &&
+       git merge-tree tree-remove-b-initial tree-remove-b-initial tree-remove-b-B >actual &&
+       test_cmp expect actual
+'
+
 test_expect_success 'turn file to tree' '
        git reset --hard initial &&
        rm initial-file &&
@@ -283,8 +339,6 @@ test_expect_success 'turn tree to file' '
        test_commit "make-file" "dir" "CCC" &&
        git merge-tree add-tree add-another-tree make-file >actual &&
        cat >expect <<-\EOF &&
-       added in local
-         our    100644 ba629238ca89489f2b350e196ca445e09d8bb834 dir/another
        removed in remote
          base   100644 43d5a8ed6ef6c00ff775008633f95787d088285d dir/path
          our    100644 43d5a8ed6ef6c00ff775008633f95787d088285d dir/path