From 7260c37aa8c91c8008dcd2442a19c23d1c9040fb Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Mon, 20 May 2024 07:14:39 +0200
Subject: Merging upstream version 1:2.45.1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 t/t4013-diff-various.sh | 90 +++++++++++++++++++++++++++++++++++--------------
 1 file changed, 64 insertions(+), 26 deletions(-)

(limited to 't/t4013-diff-various.sh')

diff --git a/t/t4013-diff-various.sh b/t/t4013-diff-various.sh
index 5cc17c2..3855d68 100755
--- a/t/t4013-diff-various.sh
+++ b/t/t4013-diff-various.sh
@@ -178,32 +178,29 @@ process_diffs () {
 V=$(git version | sed -e 's/^git version //' -e 's/\./\\./g')
 while read magic cmd
 do
-	status=success
 	case "$magic" in
 	'' | '#'*)
 		continue ;;
-	:*)
-		magic=${magic#:}
+	:noellipses)
+		magic=noellipses
 		label="$magic-$cmd"
-		case "$magic" in
-		noellipses) ;;
-		failure)
-			status=failure
-			magic=
-			label="$cmd" ;;
-		*)
-			BUG "unknown magic $magic" ;;
-		esac ;;
+		;;
+	:*)
+		BUG "unknown magic $magic"
+		;;
 	*)
-		cmd="$magic $cmd" magic=
-		label="$cmd" ;;
+		cmd="$magic $cmd"
+		magic=
+		label="$cmd"
+		;;
 	esac
+
 	test=$(echo "$label" | sed -e 's|[/ ][/ ]*|_|g')
 	pfx=$(printf "%04d" $test_count)
 	expect="$TEST_DIRECTORY/t4013/diff.$test"
 	actual="$pfx-diff.$test"
 
-	test_expect_$status "git $cmd # magic is ${magic:-(not used)}" '
+	test_expect_success "git $cmd # magic is ${magic:-(not used)}" '
 		{
 			echo "$ git $cmd"
 			case "$magic" in
@@ -522,7 +519,7 @@ test_expect_success 'log -S requires an argument' '
 '
 
 test_expect_success 'diff --cached on unborn branch' '
-	echo ref: refs/heads/unborn >.git/HEAD &&
+	git symbolic-ref HEAD refs/heads/unborn &&
 	git diff --cached >result &&
 	process_diffs result >actual &&
 	process_diffs "$TEST_DIRECTORY/t4013/diff.diff_--cached" >expected &&
@@ -636,8 +633,8 @@ check_prefix () {
 	test_cmp expect actual.paths
 }
 
-test_expect_success 'diff-files does not respect diff.noprefix' '
-	git -c diff.noprefix diff-files -p >actual &&
+test_expect_success 'diff-files does not respect diff.noPrefix' '
+	git -c diff.noPrefix diff-files -p >actual &&
 	check_prefix actual a/file0 b/file0
 '
 
@@ -646,24 +643,65 @@ test_expect_success 'diff-files respects --no-prefix' '
 	check_prefix actual file0 file0
 '
 
-test_expect_success 'diff respects diff.noprefix' '
-	git -c diff.noprefix diff >actual &&
+test_expect_success 'diff respects diff.noPrefix' '
+	git -c diff.noPrefix diff >actual &&
 	check_prefix actual file0 file0
 '
 
-test_expect_success 'diff --default-prefix overrides diff.noprefix' '
-	git -c diff.noprefix diff --default-prefix >actual &&
+test_expect_success 'diff --default-prefix overrides diff.noPrefix' '
+	git -c diff.noPrefix diff --default-prefix >actual &&
 	check_prefix actual a/file0 b/file0
 '
 
-test_expect_success 'diff respects diff.mnemonicprefix' '
-	git -c diff.mnemonicprefix diff >actual &&
+test_expect_success 'diff respects diff.mnemonicPrefix' '
+	git -c diff.mnemonicPrefix diff >actual &&
+	check_prefix actual i/file0 w/file0
+'
+
+test_expect_success 'diff --default-prefix overrides diff.mnemonicPrefix' '
+	git -c diff.mnemonicPrefix diff --default-prefix >actual &&
+	check_prefix actual a/file0 b/file0
+'
+
+test_expect_success 'diff respects diff.srcPrefix' '
+	git -c diff.srcPrefix=x/ diff >actual &&
+	check_prefix actual x/file0 b/file0
+'
+
+test_expect_success 'diff respects diff.dstPrefix' '
+	git -c diff.dstPrefix=y/ diff >actual &&
+	check_prefix actual a/file0 y/file0
+'
+
+test_expect_success 'diff --src-prefix overrides diff.srcPrefix' '
+	git -c diff.srcPrefix=y/ diff --src-prefix=z/ >actual &&
+	check_prefix actual z/file0 b/file0
+'
+
+test_expect_success 'diff --dst-prefix overrides diff.dstPrefix' '
+	git -c diff.dstPrefix=y/ diff --dst-prefix=z/ >actual &&
+	check_prefix actual a/file0 z/file0
+'
+
+test_expect_success 'diff.{src,dst}Prefix ignored with diff.noPrefix' '
+	git -c diff.dstPrefix=y/ -c diff.srcPrefix=x/ -c diff.noPrefix diff >actual &&
+	check_prefix actual file0 file0
+'
+
+test_expect_success 'diff.{src,dst}Prefix ignored with diff.mnemonicPrefix' '
+	git -c diff.dstPrefix=x/ -c diff.srcPrefix=y/ -c diff.mnemonicPrefix diff >actual &&
 	check_prefix actual i/file0 w/file0
 '
 
-test_expect_success 'diff --default-prefix overrides diff.mnemonicprefix' '
-	git -c diff.mnemonicprefix diff --default-prefix >actual &&
+test_expect_success 'diff.{src,dst}Prefix ignored with --default-prefix' '
+	git -c diff.dstPrefix=x/ -c diff.srcPrefix=y/ diff --default-prefix >actual &&
 	check_prefix actual a/file0 b/file0
 '
 
+test_expect_success 'diff --no-renames cannot be abbreviated' '
+	test_expect_code 129 git diff --no-rename >actual 2>error &&
+	test_must_be_empty actual &&
+	grep "invalid option: --no-rename" error
+'
+
 test_done
-- 
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