test-lib: add the '--stress' option to run a test repeatedly under load

diff --git a/t/t0410-partial-clone.sh b/t/t0410-partial-clone.sh
index 128130066499feb5bdad705b6fb0ef03bf446fe9..0aca8d7588cbb6b6cf0c2798525df53315941fb3 100755 (executable)
--- a/t/t0410-partial-clone.sh
+++ b/t/t0410-partial-clone.sh
@@ -170,6 +170,59 @@ test_expect_success 'fetching of missing objects' '
        git verify-pack --verbose "$IDX" | grep "$HASH"
 '
 
+test_expect_success 'fetching of missing objects works with ref-in-want enabled' '
+       # ref-in-want requires protocol version 2
+       git -C server config protocol.version 2 &&
+       git -C server config uploadpack.allowrefinwant 1 &&
+       git -C repo config protocol.version 2 &&
+
+       rm -rf repo/.git/objects/* &&
+       rm -f trace &&
+       GIT_TRACE_PACKET="$(pwd)/trace" git -C repo cat-file -p "$HASH" &&
+       grep "git< fetch=.*ref-in-want" trace
+'
+
+test_expect_success 'fetching of missing blobs works' '
+       rm -rf server repo &&
+       test_create_repo server &&
+       test_commit -C server foo &&
+       git -C server repack -a -d --write-bitmap-index &&
+
+       git clone "file://$(pwd)/server" repo &&
+       git hash-object repo/foo.t >blobhash &&
+       rm -rf repo/.git/objects/* &&
+
+       git -C server config uploadpack.allowanysha1inwant 1 &&
+       git -C server config uploadpack.allowfilter 1 &&
+       git -C repo config core.repositoryformatversion 1 &&
+       git -C repo config extensions.partialclone "origin" &&
+
+       git -C repo cat-file -p $(cat blobhash)
+'
+
+test_expect_success 'fetching of missing trees does not fetch blobs' '
+       rm -rf server repo &&
+       test_create_repo server &&
+       test_commit -C server foo &&
+       git -C server repack -a -d --write-bitmap-index &&
+
+       git clone "file://$(pwd)/server" repo &&
+       git -C repo rev-parse foo^{tree} >treehash &&
+       git hash-object repo/foo.t >blobhash &&
+       rm -rf repo/.git/objects/* &&
+
+       git -C server config uploadpack.allowanysha1inwant 1 &&
+       git -C server config uploadpack.allowfilter 1 &&
+       git -C repo config core.repositoryformatversion 1 &&
+       git -C repo config extensions.partialclone "origin" &&
+       git -C repo cat-file -p $(cat treehash) &&
+
+       # Ensure that the tree, but not the blob, is fetched
+       git -C repo rev-list --objects --missing=print $(cat treehash) >objects &&
+       grep "^$(cat treehash)" objects &&
+       grep "^[?]$(cat blobhash)" objects
+'
+
 test_expect_success 'rev-list stops traversal at missing and promised commit' '
        rm -rf repo &&
        test_create_repo repo &&
@@ -181,11 +234,56 @@ test_expect_success 'rev-list stops traversal at missing and promised commit' '
 
        git -C repo config core.repositoryformatversion 1 &&
        git -C repo config extensions.partialclone "arbitrary string" &&
-       git -C repo rev-list --exclude-promisor-objects --objects bar >out &&
+       GIT_TEST_COMMIT_GRAPH=0 git -C repo rev-list --exclude-promisor-objects --objects bar >out &&
        grep $(git -C repo rev-parse bar) out &&
        ! grep $FOO out
 '
 
+test_expect_success 'missing tree objects with --missing=allow-promisor and --exclude-promisor-objects' '
+       rm -rf repo &&
+       test_create_repo repo &&
+       test_commit -C repo foo &&
+       test_commit -C repo bar &&
+       test_commit -C repo baz &&
+
+       promise_and_delete $(git -C repo rev-parse bar^{tree}) &&
+       promise_and_delete $(git -C repo rev-parse foo^{tree}) &&
+
+       git -C repo config core.repositoryformatversion 1 &&
+       git -C repo config extensions.partialclone "arbitrary string" &&
+
+       git -C repo rev-list --missing=allow-promisor --objects HEAD >objs 2>rev_list_err &&
+       test_must_be_empty rev_list_err &&
+       # 3 commits, 3 blobs, and 1 tree
+       test_line_count = 7 objs &&
+
+       # Do the same for --exclude-promisor-objects, but with all trees gone.
+       promise_and_delete $(git -C repo rev-parse baz^{tree}) &&
+       git -C repo rev-list --exclude-promisor-objects --objects HEAD >objs 2>rev_list_err &&
+       test_must_be_empty rev_list_err &&
+       # 3 commits, no blobs or trees
+       test_line_count = 3 objs
+'
+
+test_expect_success 'missing non-root tree object and rev-list' '
+       rm -rf repo &&
+       test_create_repo repo &&
+       mkdir repo/dir &&
+       echo foo >repo/dir/foo &&
+       git -C repo add dir/foo &&
+       git -C repo commit -m "commit dir/foo" &&
+
+       promise_and_delete $(git -C repo rev-parse HEAD:dir) &&
+
+       git -C repo config core.repositoryformatversion 1 &&
+       git -C repo config extensions.partialclone "arbitrary string" &&
+
+       git -C repo rev-list --missing=allow-any --objects HEAD >objs 2>rev_list_err &&
+       test_must_be_empty rev_list_err &&
+       # 1 commit and 1 tree
+       test_line_count = 2 objs
+'
+
 test_expect_success 'rev-list stops traversal at missing and promised tree' '
        rm -rf repo &&
        test_create_repo repo &&
@@ -382,7 +480,6 @@ test_expect_success 'gc stops traversal when a missing but promised object is re
        ! grep "$TREE_HASH" out
 '
 
-LIB_HTTPD_PORT=12345  # default port, 410, cannot be used as non-root
 . "$TEST_DIRECTORY"/lib-httpd.sh
 start_httpd