From c8bae7493d2f2910b57f13ded012e86bdcfb0532 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 16:47:53 +0200
Subject: Adding upstream version 1:2.39.2.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 t/t0450-txt-doc-vs-help.sh | 172 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 172 insertions(+)
 create mode 100755 t/t0450-txt-doc-vs-help.sh

(limited to 't/t0450-txt-doc-vs-help.sh')

diff --git a/t/t0450-txt-doc-vs-help.sh b/t/t0450-txt-doc-vs-help.sh
new file mode 100755
index 0000000..cd3969e
--- /dev/null
+++ b/t/t0450-txt-doc-vs-help.sh
@@ -0,0 +1,172 @@
+#!/bin/sh
+
+test_description='assert (unbuilt) Documentation/*.txt and -h output
+
+Run this with --debug to see a summary of where we still fail to make
+the two versions consistent with one another.'
+
+TEST_PASSES_SANITIZE_LEAK=true
+. ./test-lib.sh
+
+test_expect_success 'setup: list of builtins' '
+	git --list-cmds=builtins >builtins
+'
+
+test_expect_success 'list of txt and help mismatches is sorted' '
+	sort -u "$TEST_DIRECTORY"/t0450/txt-help-mismatches >expect &&
+	if ! test_cmp expect "$TEST_DIRECTORY"/t0450/txt-help-mismatches
+	then
+		BUG "please keep the list of txt and help mismatches sorted"
+	fi
+'
+
+help_to_synopsis () {
+	builtin="$1" &&
+	out_dir="out/$builtin" &&
+	out="$out_dir/help.synopsis" &&
+	if test -f "$out"
+	then
+		echo "$out" &&
+		return 0
+	fi &&
+	mkdir -p "$out_dir" &&
+	test_expect_code 129 git $builtin -h >"$out.raw" 2>&1 &&
+	sed -n \
+		-e '1,/^$/ {
+			/^$/d;
+			s/^usage: //;
+			s/^ *or: //;
+			p;
+		}' <"$out.raw" >"$out" &&
+	echo "$out"
+}
+
+builtin_to_txt () {
+       echo "$GIT_BUILD_DIR/Documentation/git-$1.txt"
+}
+
+txt_to_synopsis () {
+	builtin="$1" &&
+	out_dir="out/$builtin" &&
+	out="$out_dir/txt.synopsis" &&
+	if test -f "$out"
+	then
+		echo "$out" &&
+		return 0
+	fi &&
+	b2t="$(builtin_to_txt "$builtin")" &&
+	sed -n \
+		-e '/^\[verse\]$/,/^$/ {
+			/^$/d;
+			/^\[verse\]$/d;
+
+			s/{litdd}/--/g;
+			s/'\''\(git[ a-z-]*\)'\''/\1/g;
+
+			p;
+		}' \
+		<"$b2t" >"$out" &&
+	echo "$out"
+}
+
+check_dashed_labels () {
+	! grep -E "<[^>_-]+_" "$1"
+}
+
+HT="	"
+
+align_after_nl () {
+	builtin="$1" &&
+	len=$(printf "git %s " "$builtin" | wc -c) &&
+	pad=$(printf "%${len}s" "") &&
+
+	sed "s/^[ $HT][ $HT]*/$pad/"
+}
+
+test_debug '>failing'
+while read builtin
+do
+	# -h output assertions
+	test_expect_success "$builtin -h output has no \t" '
+		h2s="$(help_to_synopsis "$builtin")" &&
+		! grep "$HT" "$h2s"
+	'
+
+	test_expect_success "$builtin -h output has dashed labels" '
+		check_dashed_labels "$(help_to_synopsis "$builtin")"
+	'
+
+	test_expect_success "$builtin -h output has consistent spacing" '
+		h2s="$(help_to_synopsis "$builtin")" &&
+		sed -n \
+			-e "/^ / {
+				s/[^ ].*//;
+				p;
+			}" \
+			<"$h2s" >help &&
+		sort -u help >help.ws &&
+		if test -s help.ws
+		then
+			test_line_count = 1 help.ws
+		fi
+	'
+
+	txt="$(builtin_to_txt "$builtin")" &&
+	preq="$(echo BUILTIN_TXT_$builtin | tr '[:lower:]-' '[:upper:]_')" &&
+
+	if test -f "$txt"
+	then
+		test_set_prereq "$preq"
+	fi &&
+
+	# *.txt output assertions
+	test_expect_success "$preq" "$builtin *.txt SYNOPSIS has dashed labels" '
+		check_dashed_labels "$(txt_to_synopsis "$builtin")"
+	'
+
+	# *.txt output consistency assertions
+	result=
+	if grep -q "^$builtin$" "$TEST_DIRECTORY"/t0450/txt-help-mismatches
+	then
+		result=failure
+	else
+		result=success
+	fi &&
+	test_expect_$result "$preq" "$builtin -h output and SYNOPSIS agree" '
+		t2s="$(txt_to_synopsis "$builtin")" &&
+		if test "$builtin" = "merge-tree"
+		then
+			test_when_finished "rm -f t2s.new" &&
+			sed -e '\''s/ (deprecated)$//g'\'' <"$t2s" >t2s.new
+			t2s=t2s.new
+		fi &&
+		h2s="$(help_to_synopsis "$builtin")" &&
+
+		# The *.txt and -h use different spacing for the
+		# alignment of continued usage output, normalize it.
+		align_after_nl "$builtin" <"$t2s" >txt &&
+		align_after_nl "$builtin" <"$h2s" >help &&
+		test_cmp txt help
+	'
+
+	if test_have_prereq "$preq" && test -e txt && test -e help
+	then
+		test_debug '
+			if test_cmp txt help >cmp 2>/dev/null
+			then
+				echo "=== DONE: $builtin ==="
+			else
+				echo "=== TODO: $builtin ===" &&
+				cat cmp
+			fi >>failing
+		'
+
+		# Not in test_expect_success in case --run is being
+		# used with --debug
+		rm -f txt help tmp 2>/dev/null
+	fi
+done <builtins
+
+test_debug 'say "$(cat failing)"'
+
+test_done
-- 
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