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/t7416-submodule-dash-url.sh

@@ -1,6 +1,6 @@
 #!/bin/sh
 
-test_description='check handling of disallowed .gitmodule urls'
+test_description='check handling of .gitmodule url with dash'
 . ./test-lib.sh
 
 test_expect_success 'create submodule with protected dash in url' '
@@ -46,159 +46,4 @@ test_expect_success 'fsck rejects unprotected dash' '
 	grep gitmodulesUrl err
 '
 
-test_expect_success 'trailing backslash is handled correctly' '
-	git init testmodule &&
-	test_commit -C testmodule c &&
-	git submodule add ./testmodule &&
-	: ensure that the name ends in a double backslash &&
-	sed -e "s|\\(submodule \"testmodule\\)\"|\\1\\\\\\\\\"|" \
-		-e "s|url = .*|url = \" --should-not-be-an-option\"|" \
-		<.gitmodules >.new &&
-	mv .new .gitmodules &&
-	git commit -am "Add testmodule" &&
-	test_must_fail git clone --verbose --recurse-submodules . dolly 2>err &&
-	test_i18ngrep ! "unknown option" err
-'
-
-test_expect_success 'fsck rejects missing URL scheme' '
-	git checkout --orphan missing-scheme &&
-	cat >.gitmodules <<-\EOF &&
-	[submodule "foo"]
-		url = http::one.example.com/foo.git
-	EOF
-	git add .gitmodules &&
-	test_tick &&
-	git commit -m "gitmodules with missing URL scheme" &&
-	test_when_finished "rm -rf dst" &&
-	git init --bare dst &&
-	git -C dst config transfer.fsckObjects true &&
-	test_must_fail git push dst HEAD 2>err &&
-	grep gitmodulesUrl err
-'
-
-test_expect_success 'fsck rejects relative URL resolving to missing scheme' '
-	git checkout --orphan relative-missing-scheme &&
-	cat >.gitmodules <<-\EOF &&
-	[submodule "foo"]
-		url = "..\\../.\\../:one.example.com/foo.git"
-	EOF
-	git add .gitmodules &&
-	test_tick &&
-	git commit -m "gitmodules with relative URL that strips off scheme" &&
-	test_when_finished "rm -rf dst" &&
-	git init --bare dst &&
-	git -C dst config transfer.fsckObjects true &&
-	test_must_fail git push dst HEAD 2>err &&
-	grep gitmodulesUrl err
-'
-
-test_expect_success 'fsck rejects empty URL scheme' '
-	git checkout --orphan empty-scheme &&
-	cat >.gitmodules <<-\EOF &&
-	[submodule "foo"]
-		url = http::://one.example.com/foo.git
-	EOF
-	git add .gitmodules &&
-	test_tick &&
-	git commit -m "gitmodules with empty URL scheme" &&
-	test_when_finished "rm -rf dst" &&
-	git init --bare dst &&
-	git -C dst config transfer.fsckObjects true &&
-	test_must_fail git push dst HEAD 2>err &&
-	grep gitmodulesUrl err
-'
-
-test_expect_success 'fsck rejects relative URL resolving to empty scheme' '
-	git checkout --orphan relative-empty-scheme &&
-	cat >.gitmodules <<-\EOF &&
-	[submodule "foo"]
-		url = ../../../:://one.example.com/foo.git
-	EOF
-	git add .gitmodules &&
-	test_tick &&
-	git commit -m "relative gitmodules URL resolving to empty scheme" &&
-	test_when_finished "rm -rf dst" &&
-	git init --bare dst &&
-	git -C dst config transfer.fsckObjects true &&
-	test_must_fail git push dst HEAD 2>err &&
-	grep gitmodulesUrl err
-'
-
-test_expect_success 'fsck rejects empty hostname' '
-	git checkout --orphan empty-host &&
-	cat >.gitmodules <<-\EOF &&
-	[submodule "foo"]
-		url = http:///one.example.com/foo.git
-	EOF
-	git add .gitmodules &&
-	test_tick &&
-	git commit -m "gitmodules with extra slashes" &&
-	test_when_finished "rm -rf dst" &&
-	git init --bare dst &&
-	git -C dst config transfer.fsckObjects true &&
-	test_must_fail git push dst HEAD 2>err &&
-	grep gitmodulesUrl err
-'
-
-test_expect_success 'fsck rejects relative url that produced empty hostname' '
-	git checkout --orphan messy-relative &&
-	cat >.gitmodules <<-\EOF &&
-	[submodule "foo"]
-		url = ../../..//one.example.com/foo.git
-	EOF
-	git add .gitmodules &&
-	test_tick &&
-	git commit -m "gitmodules abusing relative_path" &&
-	test_when_finished "rm -rf dst" &&
-	git init --bare dst &&
-	git -C dst config transfer.fsckObjects true &&
-	test_must_fail git push dst HEAD 2>err &&
-	grep gitmodulesUrl err
-'
-
-test_expect_success 'fsck permits embedded newline with unrecognized scheme' '
-	git checkout --orphan newscheme &&
-	cat >.gitmodules <<-\EOF &&
-	[submodule "foo"]
-		url = "data://acjbkd%0akajfdickajkd"
-	EOF
-	git add .gitmodules &&
-	git commit -m "gitmodules with unrecognized scheme" &&
-	test_when_finished "rm -rf dst" &&
-	git init --bare dst &&
-	git -C dst config transfer.fsckObjects true &&
-	git push dst HEAD
-'
-
-test_expect_success 'fsck rejects embedded newline in url' '
-	# create an orphan branch to avoid existing .gitmodules objects
-	git checkout --orphan newline &&
-	cat >.gitmodules <<-\EOF &&
-	[submodule "foo"]
-	url = "https://one.example.com?%0ahost=two.example.com/foo.git"
-	EOF
-	git add .gitmodules &&
-	git commit -m "gitmodules with newline" &&
-	test_when_finished "rm -rf dst" &&
-	git init --bare dst &&
-	git -C dst config transfer.fsckObjects true &&
-	test_must_fail git push dst HEAD 2>err &&
-	grep gitmodulesUrl err
-'
-
-test_expect_success 'fsck rejects embedded newline in relative url' '
-	git checkout --orphan relative-newline &&
-	cat >.gitmodules <<-\EOF &&
-	[submodule "foo"]
-		url = "./%0ahost=two.example.com/foo.git"
-	EOF
-	git add .gitmodules &&
-	git commit -m "relative url with newline" &&
-	test_when_finished "rm -rf dst" &&
-	git init --bare dst &&
-	git -C dst config transfer.fsckObjects true &&
-	test_must_fail git push dst HEAD 2>err &&
-	grep gitmodulesUrl err
-'
-
 test_done