revert(3p/git): Revert merge of git upstream at v2.26.2

This causes cgit to serve error pages, which is undesirable.

This reverts commit 5229c9b232, reversing
changes made to f2b211131f.

third_party/git/t/t5318-commit-graph.sh

@@ -19,14 +19,15 @@ test_expect_success 'verify graph with no graph file' '
 
 test_expect_success 'write graph with no packs' '
 	cd "$TRASH_DIRECTORY/full" &&
-	git commit-graph write --object-dir $objdir &&
-	test_path_is_missing $objdir/info/commit-graph
+	git commit-graph write --object-dir . &&
+	test_path_is_missing info/commit-graph
 '
 
-test_expect_success 'exit with correct error on bad input to --stdin-packs' '
+test_expect_success 'close with correct error on bad input' '
 	cd "$TRASH_DIRECTORY/full" &&
 	echo doesnotexist >in &&
-	test_expect_code 1 git commit-graph write --stdin-packs <in 2>stderr &&
+	{ git commit-graph write --stdin-packs <in 2>stderr; ret=$?; } &&
+	test "$ret" = 1 &&
 	test_i18ngrep "error adding pack" stderr
 '
 
@@ -40,15 +41,6 @@ test_expect_success 'create commits and repack' '
 	git repack
 '
 
-test_expect_success 'exit with correct error on bad input to --stdin-commits' '
-	cd "$TRASH_DIRECTORY/full" &&
-	echo HEAD | test_expect_code 1 git commit-graph write --stdin-commits 2>stderr &&
-	test_i18ngrep "invalid commit object id" stderr &&
-	# valid tree OID, but not a commit OID
-	git rev-parse HEAD^{tree} | test_expect_code 1 git commit-graph write --stdin-commits 2>stderr &&
-	test_i18ngrep "invalid commit object id" stderr
-'
-
 graph_git_two_modes() {
 	git -c core.commitGraph=true $1 >output
 	git -c core.commitGraph=false $1 >expect
@@ -85,7 +77,7 @@ graph_read_expect() {
 	num_commits: $1
 	chunks: oid_fanout oid_lookup commit_metadata$OPTIONAL
 	EOF
-	test-tool read-graph >output &&
+	git commit-graph read >output &&
 	test_cmp expect output
 }
 
@@ -124,42 +116,6 @@ test_expect_success 'Add more commits' '
 	git repack
 '
 
-test_expect_success 'commit-graph write progress off for redirected stderr' '
-	cd "$TRASH_DIRECTORY/full" &&
-	git commit-graph write 2>err &&
-	test_line_count = 0 err
-'
-
-test_expect_success 'commit-graph write force progress on for stderr' '
-	cd "$TRASH_DIRECTORY/full" &&
-	GIT_PROGRESS_DELAY=0 git commit-graph write --progress 2>err &&
-	test_file_not_empty err
-'
-
-test_expect_success 'commit-graph write with the --no-progress option' '
-	cd "$TRASH_DIRECTORY/full" &&
-	git commit-graph write --no-progress 2>err &&
-	test_line_count = 0 err
-'
-
-test_expect_success 'commit-graph verify progress off for redirected stderr' '
-	cd "$TRASH_DIRECTORY/full" &&
-	git commit-graph verify 2>err &&
-	test_line_count = 0 err
-'
-
-test_expect_success 'commit-graph verify force progress on for stderr' '
-	cd "$TRASH_DIRECTORY/full" &&
-	GIT_PROGRESS_DELAY=0 git commit-graph verify --progress 2>err &&
-	test_file_not_empty err
-'
-
-test_expect_success 'commit-graph verify with the --no-progress option' '
-	cd "$TRASH_DIRECTORY/full" &&
-	git commit-graph verify --no-progress 2>err &&
-	test_line_count = 0 err
-'
-
 # Current graph structure:
 #
 #   __M3___
@@ -481,7 +437,7 @@ test_expect_success 'detect bad version' '
 '
 
 test_expect_success 'detect bad hash version' '
-	corrupt_graph_and_verify $GRAPH_BYTE_HASH "\03" \
+	corrupt_graph_and_verify $GRAPH_BYTE_HASH "\02" \
 		"hash version"
 '
 
@@ -621,47 +577,4 @@ test_expect_success 'get_commit_tree_in_graph works for non-the_repository' '
 	test_cmp expect actual
 '
 
-test_expect_success 'corrupt commit-graph write (broken parent)' '
-	rm -rf repo &&
-	git init repo &&
-	(
-		cd repo &&
-		empty="$(git mktree </dev/null)" &&
-		cat >broken <<-EOF &&
-		tree $empty
-		parent $ZERO_OID
-		author whatever <whatever@example.com> 1234 -0000
-		committer whatever <whatever@example.com> 1234 -0000
-
-		broken commit
-		EOF
-		broken="$(git hash-object -w -t commit --literally broken)" &&
-		git commit-tree -p "$broken" -m "good commit" "$empty" >good &&
-		test_must_fail git commit-graph write --stdin-commits \
-			<good 2>test_err &&
-		test_i18ngrep "unable to parse commit" test_err
-	)
-'
-
-test_expect_success 'corrupt commit-graph write (missing tree)' '
-	rm -rf repo &&
-	git init repo &&
-	(
-		cd repo &&
-		tree="$(git mktree </dev/null)" &&
-		cat >broken <<-EOF &&
-		parent $ZERO_OID
-		author whatever <whatever@example.com> 1234 -0000
-		committer whatever <whatever@example.com> 1234 -0000
-
-		broken commit
-		EOF
-		broken="$(git hash-object -w -t commit --literally broken)" &&
-		git commit-tree -p "$broken" -m "good" "$tree" >good &&
-		test_must_fail git commit-graph write --stdin-commits \
-			<good 2>test_err &&
-		test_i18ngrep "unable to parse commit" test_err
-	)
-'
-
 test_done