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/test-lib.sh

@@ -212,8 +212,6 @@ fi
 
 TEST_STRESS_JOB_SFX="${GIT_TEST_STRESS_JOB_NR:+.stress-$GIT_TEST_STRESS_JOB_NR}"
 TEST_NAME="$(basename "$0" .sh)"
-TEST_NUMBER="${TEST_NAME%%-*}"
-TEST_NUMBER="${TEST_NUMBER#t}"
 TEST_RESULTS_DIR="$TEST_OUTPUT_DIRECTORY/test-results"
 TEST_RESULTS_BASE="$TEST_RESULTS_DIR/$TEST_NAME$TEST_STRESS_JOB_SFX"
 TRASH_DIRECTORY="trash directory.$TEST_NAME$TEST_STRESS_JOB_SFX"
@@ -404,13 +402,9 @@ unset VISUAL EMAIL LANGUAGE COLUMNS $("$PERL_PATH" -e '
 unset XDG_CACHE_HOME
 unset XDG_CONFIG_HOME
 unset GITPERLLIB
-TEST_AUTHOR_LOCALNAME=author
-TEST_AUTHOR_DOMAIN=example.com
-GIT_AUTHOR_EMAIL=${TEST_AUTHOR_LOCALNAME}@${TEST_AUTHOR_DOMAIN}
+GIT_AUTHOR_EMAIL=author@example.com
 GIT_AUTHOR_NAME='A U Thor'
-TEST_COMMITTER_LOCALNAME=committer
-TEST_COMMITTER_DOMAIN=example.com
-GIT_COMMITTER_EMAIL=${TEST_COMMITTER_LOCALNAME}@${TEST_COMMITTER_DOMAIN}
+GIT_COMMITTER_EMAIL=committer@example.com
 GIT_COMMITTER_NAME='C O Mitter'
 GIT_MERGE_VERBOSITY=5
 GIT_MERGE_AUTOEDIT=no
@@ -513,9 +507,6 @@ EMPTY_BLOB=e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
 LF='
 '
 
-# Single quote
-SQ=\'
-
 # UTF-8 ZERO WIDTH NON-JOINER, which HFS+ ignores
 # when case-folding filenames
 u200c=$(printf '\342\200\214')
@@ -576,7 +567,6 @@ export TERM
 
 error () {
 	say_color error "error: $*"
-	finalize_junit_xml
 	GIT_EXIT_OK=t
 	exit 1
 }
@@ -705,7 +695,7 @@ test_failure_ () {
 	say_color error "not ok $test_count - $1"
 	shift
 	printf '%s\n' "$*" | sed -e 's/^/#	/'
-	test "$immediate" = "" || { finalize_junit_xml; GIT_EXIT_OK=t; exit 1; }
+	test "$immediate" = "" || { GIT_EXIT_OK=t; exit 1; }
 }
 
 test_known_broken_ok_ () {
@@ -1004,12 +994,6 @@ test_skip () {
 		to_skip=t
 		skipped_reason="GIT_SKIP_TESTS"
 	fi
-	if test -z "$to_skip" && test -n "$run_list" &&
-	   ! match_test_selector_list '--run' $test_count "$run_list"
-	then
-		to_skip=t
-		skipped_reason="--run"
-	fi
 	if test -z "$to_skip" && test -n "$test_prereq" &&
 	   ! test_have_prereq "$test_prereq"
 	then
@@ -1022,6 +1006,12 @@ test_skip () {
 		fi
 		skipped_reason="missing $missing_prereq${of_prereq}"
 	fi
+	if test -z "$to_skip" && test -n "$run_list" &&
+		! match_test_selector_list '--run' $test_count "$run_list"
+	then
+		to_skip=t
+		skipped_reason="--run"
+	fi
 
 	case "$to_skip" in
 	t)
@@ -1073,26 +1063,6 @@ write_junit_xml_testcase () {
 	junit_have_testcase=t
 }
 
-finalize_junit_xml () {
-	if test -n "$write_junit_xml" && test -n "$junit_xml_path"
-	then
-		test -n "$junit_have_testcase" || {
-			junit_start=$(test-tool date getnanos)
-			write_junit_xml_testcase "all tests skipped"
-		}
-
-		# adjust the overall time
-		junit_time=$(test-tool date getnanos $junit_suite_start)
-		sed -e "s/\(<testsuite.*\) time=\"[^\"]*\"/\1/" \
-			-e "s/<testsuite [^>]*/& time=\"$junit_time\"/" \
-			<"$junit_xml_path" >"$junit_xml_path.new"
-		mv "$junit_xml_path.new" "$junit_xml_path"
-
-		write_junit_xml "  </testsuite>" "</testsuites>"
-		write_junit_xml=
-	fi
-}
-
 test_atexit_cleanup=:
 test_atexit_handler () {
 	# In a succeeding test script 'test_atexit_handler' is invoked
@@ -1115,7 +1085,21 @@ test_done () {
 	# removed, so the commands can access pidfiles and socket files.
 	test_atexit_handler
 
-	finalize_junit_xml
+	if test -n "$write_junit_xml" && test -n "$junit_xml_path"
+	then
+		test -n "$junit_have_testcase" || {
+			junit_start=$(test-tool date getnanos)
+			write_junit_xml_testcase "all tests skipped"
+		}
+
+		# adjust the overall time
+		junit_time=$(test-tool date getnanos $junit_suite_start)
+		sed "s/<testsuite [^>]*/& time=\"$junit_time\"/" \
+			<"$junit_xml_path" >"$junit_xml_path.new"
+		mv "$junit_xml_path.new" "$junit_xml_path"
+
+		write_junit_xml "  </testsuite>" "</testsuites>"
+	fi
 
 	if test -z "$HARNESS_ACTIVE"
 	then
@@ -1407,23 +1391,23 @@ yes () {
 # The GIT_TEST_FAIL_PREREQS code hooks into test_set_prereq(), and
 # thus needs to be set up really early, and set an internal variable
 # for convenience so the hot test_set_prereq() codepath doesn't need
-# to call "git env--helper" (via test_bool_env). Only do that work
-# if needed by seeing if GIT_TEST_FAIL_PREREQS is set at all.
+# to call "git env--helper". Only do that work if needed by seeing if
+# GIT_TEST_FAIL_PREREQS is set at all.
 GIT_TEST_FAIL_PREREQS_INTERNAL=
 if test -n "$GIT_TEST_FAIL_PREREQS"
 then
-	if test_bool_env GIT_TEST_FAIL_PREREQS false
+	if git env--helper --type=bool --default=0 --exit-code GIT_TEST_FAIL_PREREQS
 	then
 		GIT_TEST_FAIL_PREREQS_INTERNAL=true
 		test_set_prereq FAIL_PREREQS
 	fi
 else
 	test_lazy_prereq FAIL_PREREQS '
-		test_bool_env GIT_TEST_FAIL_PREREQS false
+		git env--helper --type=bool --default=0 --exit-code GIT_TEST_FAIL_PREREQS
 	'
 fi
 
-# Fix some commands on Windows, and other OS-specific things
+# Fix some commands on Windows
 uname_s=$(uname -s)
 case $uname_s in
 *MINGW*)
@@ -1454,12 +1438,6 @@ case $uname_s in
 	test_set_prereq SED_STRIPS_CR
 	test_set_prereq GREP_STRIPS_CR
 	;;
-FreeBSD)
-	test_set_prereq REGEX_ILLSEQ
-	test_set_prereq POSIXPERM
-	test_set_prereq BSLASHPSPEC
-	test_set_prereq EXECKEEPSPID
-	;;
 *)
 	test_set_prereq POSIXPERM
 	test_set_prereq BSLASHPSPEC
@@ -1484,7 +1462,7 @@ then
 fi
 
 test_lazy_prereq C_LOCALE_OUTPUT '
-	! test_bool_env GIT_TEST_GETTEXT_POISON false
+	! git env--helper --type=bool --default=0 --exit-code GIT_TEST_GETTEXT_POISON
 '
 
 if test -z "$GIT_TEST_CHECK_CACHE_TREE"