Merge branch 'tb/precompose-getcwd'

We forgot to normalize the result of getcwd() to NFC on macOS where
all other paths are normalized, which has been corrected.  This still
does not address the case where core.precomposeUnicode configuration
is not defined globally.

* tb/precompose-getcwd:
  macOS: ls-files path fails if path of workdir is NFD

Author: gitster

setup.c

@@ -49,7 +49,7 @@ static int abspath_part_inside_repo(char *path)
 	size_t wtlen;
 	char *path0;
 	int off;
-	const char *work_tree = get_git_work_tree();
+	const char *work_tree = precompose_string_if_needed(get_git_work_tree());
 	struct strbuf realpath = STRBUF_INIT;
 
 	if (!work_tree)

t/t3910-mac-os-precompose.sh

@@ -37,6 +37,27 @@ Alongc=$Alongc$Alongc$Alongc$Alongc$Alongc           #50 Byte
 Alongc=$Alongc$Alongc$Alongc$Alongc$Alongc           #250 Byte
 Alongc=$Alongc$AEligatu$AEligatu                     #254 Byte
 
+
+ls_files_nfc_nfd () {
+	test_when_finished "git config --global --unset core.precomposeunicode" &&
+	prglbl=$1
+	prlocl=$2
+	aumlcreat=$3
+	aumllist=$4
+	git config --global core.precomposeunicode $prglbl &&
+	(
+		rm -rf .git &&
+		mkdir -p "somewhere/$prglbl/$prlocl/$aumlcreat" &&
+		mypwd=$PWD &&
+		cd "somewhere/$prglbl/$prlocl/$aumlcreat" &&
+		git init &&
+		git config core.precomposeunicode $prlocl &&
+		git --literal-pathspecs ls-files "$mypwd/somewhere/$prglbl/$prlocl/$aumllist" 2>err &&
+		>expected &&
+		test_cmp expected err
+	)
+}
+
 test_expect_success "detect if nfd needed" '
 	precomposeunicode=$(git config core.precomposeunicode) &&
 	test "$precomposeunicode" = true &&
@@ -211,13 +232,29 @@ test_expect_success "unicode decomposed: git restore -p . " '
 '
 
 # Test if the global core.precomposeunicode stops autosensing
-# Must be the last test case
 test_expect_success "respect git config --global core.precomposeunicode" '
+	test_when_finished "git config --global --unset core.precomposeunicode" &&
 	git config --global core.precomposeunicode true &&
 	rm -rf .git &&
 	git init &&
 	precomposeunicode=$(git config core.precomposeunicode) &&
 	test "$precomposeunicode" = "true"
 '
 
+test_expect_success "ls-files false false nfd nfd" '
+	ls_files_nfc_nfd false false $Adiarnfd $Adiarnfd
+'
+
+test_expect_success "ls-files false true nfd nfd" '
+	ls_files_nfc_nfd false true $Adiarnfd $Adiarnfd
+'
+
+test_expect_success "ls-files true false nfd nfd" '
+	ls_files_nfc_nfd true false $Adiarnfd $Adiarnfd
+'
+
+test_expect_success "ls-files true true nfd nfd" '
+	ls_files_nfc_nfd true true $Adiarnfd $Adiarnfd
+'
+
 test_done