merge(third_party/git): Merge squashed git subtree at v2.23.0 r/373

Merge commit '1b593e1ea4d2af0f6444d9a7788d5d99abd6fde5' as 'third_party/git'

1 files changed, 207 insertions, 0 deletions

diff --git a/third_party/git/t/t3900-i18n-commit.sh b/third_party/git/t/t3900-i18n-commit.sh
new file mode 100755
index 000000000000..b92ff9597728
--- /dev/null
+++ b/third_party/git/t/t3900-i18n-commit.sh
@@ -0,0 +1,207 @@
+#!/bin/sh
+#
+# Copyright (c) 2006 Junio C Hamano
+#
+
+test_description='commit and log output encodings'
+
+. ./test-lib.sh
+
+compare_with () {
+	git show -s $1 | sed -e '1,/^$/d' -e 's/^    //' >current &&
+	case "$3" in
+	'')
+		test_cmp "$2" current ;;
+	?*)
+		iconv -f "$3" -t UTF-8 >current.utf8 <current &&
+		iconv -f "$3" -t UTF-8 >expect.utf8 <"$2" &&
+		test_cmp expect.utf8 current.utf8
+		;;
+	esac
+}
+
+test_expect_success setup '
+	: >F &&
+	git add F &&
+	T=$(git write-tree) &&
+	C=$(git commit-tree $T <"$TEST_DIRECTORY"/t3900/1-UTF-8.txt) &&
+	git update-ref HEAD $C &&
+	git tag C0
+'
+
+test_expect_success 'no encoding header for base case' '
+	E=$(git cat-file commit C0 | sed -ne "s/^encoding //p") &&
+	test z = "z$E"
+'
+
+test_expect_success 'UTF-16 refused because of NULs' '
+	echo UTF-16 >F &&
+	test_must_fail git commit -a -F "$TEST_DIRECTORY"/t3900/UTF-16.txt
+'
+
+test_expect_success 'UTF-8 invalid characters refused' '
+	test_when_finished "rm -f \"\$HOME/stderr\" \"\$HOME/invalid\"" &&
+	echo "UTF-8 characters" >F &&
+	printf "Commit message\n\nInvalid surrogate:\355\240\200\n" \
+		>"$HOME/invalid" &&
+	git commit -a -F "$HOME/invalid" 2>"$HOME"/stderr &&
+	test_i18ngrep "did not conform" "$HOME"/stderr
+'
+
+test_expect_success 'UTF-8 overlong sequences rejected' '
+	test_when_finished "rm -f \"\$HOME/stderr\" \"\$HOME/invalid\"" &&
+	rm -f "$HOME/stderr" "$HOME/invalid" &&
+	echo "UTF-8 overlong" >F &&
+	printf "\340\202\251ommit message\n\nThis is not a space:\300\240\n" \
+		>"$HOME/invalid" &&
+	git commit -a -F "$HOME/invalid" 2>"$HOME"/stderr &&
+	test_i18ngrep "did not conform" "$HOME"/stderr
+'
+
+test_expect_success 'UTF-8 non-characters refused' '
+	test_when_finished "rm -f \"\$HOME/stderr\" \"\$HOME/invalid\"" &&
+	echo "UTF-8 non-character 1" >F &&
+	printf "Commit message\n\nNon-character:\364\217\277\276\n" \
+		>"$HOME/invalid" &&
+	git commit -a -F "$HOME/invalid" 2>"$HOME"/stderr &&
+	test_i18ngrep "did not conform" "$HOME"/stderr
+'
+
+test_expect_success 'UTF-8 non-characters refused' '
+	test_when_finished "rm -f \"\$HOME/stderr\" \"\$HOME/invalid\"" &&
+	echo "UTF-8 non-character 2." >F &&
+	printf "Commit message\n\nNon-character:\357\267\220\n" \
+		>"$HOME/invalid" &&
+	git commit -a -F "$HOME/invalid" 2>"$HOME"/stderr &&
+	test_i18ngrep "did not conform" "$HOME"/stderr
+'
+
+for H in ISO8859-1 eucJP ISO-2022-JP
+do
+	test_expect_success "$H setup" '
+		git config i18n.commitencoding $H &&
+		git checkout -b $H C0 &&
+		echo $H >F &&
+		git commit -a -F "$TEST_DIRECTORY"/t3900/$H.txt
+	'
+done
+
+for H in ISO8859-1 eucJP ISO-2022-JP
+do
+	test_expect_success "check encoding header for $H" '
+		E=$(git cat-file commit '$H' | sed -ne "s/^encoding //p") &&
+		test "z$E" = "z'$H'"
+	'
+done
+
+test_expect_success 'config to remove customization' '
+	git config --unset-all i18n.commitencoding &&
+	if Z=$(git config --get-all i18n.commitencoding)
+	then
+		echo Oops, should have failed.
+		false
+	else
+		test z = "z$Z"
+	fi &&
+	git config i18n.commitencoding UTF-8
+'
+
+test_expect_success 'ISO8859-1 should be shown in UTF-8 now' '
+	compare_with ISO8859-1 "$TEST_DIRECTORY"/t3900/1-UTF-8.txt
+'
+
+for H in eucJP ISO-2022-JP
+do
+	test_expect_success "$H should be shown in UTF-8 now" '
+		compare_with '$H' "$TEST_DIRECTORY"/t3900/2-UTF-8.txt
+	'
+done
+
+test_expect_success 'config to add customization' '
+	git config --unset-all i18n.commitencoding &&
+	if Z=$(git config --get-all i18n.commitencoding)
+	then
+		echo Oops, should have failed.
+		false
+	else
+		test z = "z$Z"
+	fi
+'
+
+for H in ISO8859-1 eucJP ISO-2022-JP
+do
+	test_expect_success "$H should be shown in itself now" '
+		git config i18n.commitencoding '$H' &&
+		compare_with '$H' "$TEST_DIRECTORY"/t3900/'$H'.txt
+	'
+done
+
+test_expect_success 'config to tweak customization' '
+	git config i18n.logoutputencoding UTF-8
+'
+
+test_expect_success 'ISO8859-1 should be shown in UTF-8 now' '
+	compare_with ISO8859-1 "$TEST_DIRECTORY"/t3900/1-UTF-8.txt
+'
+
+for H in eucJP ISO-2022-JP
+do
+	test_expect_success "$H should be shown in UTF-8 now" '
+		compare_with '$H' "$TEST_DIRECTORY"/t3900/2-UTF-8.txt
+	'
+done
+
+for J in eucJP ISO-2022-JP
+do
+	if test "$J" = ISO-2022-JP
+	then
+		ICONV=$J
+	else
+		ICONV=
+	fi
+	git config i18n.logoutputencoding $J
+	for H in eucJP ISO-2022-JP
+	do
+		test_expect_success "$H should be shown in $J now" '
+			compare_with '$H' "$TEST_DIRECTORY"/t3900/'$J'.txt $ICONV
+		'
+	done
+done
+
+for H in ISO8859-1 eucJP ISO-2022-JP
+do
+	test_expect_success "No conversion with $H" '
+		compare_with "--encoding=none '$H'" "$TEST_DIRECTORY"/t3900/'$H'.txt
+	'
+done
+
+test_commit_autosquash_flags () {
+	H=$1
+	flag=$2
+	test_expect_success "commit --$flag with $H encoding" '
+		git config i18n.commitencoding $H &&
+		git checkout -b $H-$flag C0 &&
+		echo $H >>F &&
+		git commit -a -F "$TEST_DIRECTORY"/t3900/$H.txt &&
+		test_tick &&
+		echo intermediate stuff >>G &&
+		git add G &&
+		git commit -a -m "intermediate commit" &&
+		test_tick &&
+		echo $H $flag >>F &&
+		git commit -a --$flag HEAD~1 &&
+		E=$(git cat-file commit '$H-$flag' |
+			sed -ne "s/^encoding //p") &&
+		test "z$E" = "z$H" &&
+		git config --unset-all i18n.commitencoding &&
+		git rebase --autosquash -i HEAD^^^ &&
+		git log --oneline >actual &&
+		test_line_count = 3 actual
+	'
+}
+
+test_commit_autosquash_flags eucJP fixup
+
+test_commit_autosquash_flags ISO-2022-JP squash
+
+test_done