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/t7501-commit-basic-functionality.sh

@@ -150,7 +150,7 @@ test_expect_success 'setup: commit message from file' '
 test_expect_success 'amend commit' '
 	cat >editor <<-\EOF &&
 	#!/bin/sh
-	sed -e "s/a file/an amend commit/g" <"$1" >"$1-"
+	sed -e "s/a file/an amend commit/g" < "$1" > "$1-"
 	mv "$1-" "$1"
 	EOF
 	chmod 755 editor &&
@@ -263,7 +263,7 @@ test_expect_success 'using message from other commit' '
 test_expect_success 'editing message from other commit' '
 	cat >editor <<-\EOF &&
 	#!/bin/sh
-	sed -e "s/amend/older/g"  <"$1" >"$1-"
+	sed -e "s/amend/older/g"  < "$1" > "$1-"
 	mv "$1-" "$1"
 	EOF
 	chmod 755 editor &&
@@ -285,8 +285,9 @@ test_expect_success 'overriding author from command line' '
 '
 
 test_expect_success PERL 'interactive add' '
-	echo 7 | test_must_fail git commit --interactive >out &&
-	grep "What now" out
+	echo 7 |
+	git commit --interactive |
+	grep "What now"
 '
 
 test_expect_success PERL "commit --interactive doesn't change index if editor aborts" '
@@ -361,12 +362,12 @@ test_expect_success 'amend commit to fix author' '
 	oldtick=$GIT_AUTHOR_DATE &&
 	test_tick &&
 	git reset --hard &&
-	git cat-file -p HEAD >commit &&
+	git cat-file -p HEAD |
 	sed -e "s/author.*/author $author $oldtick/" \
-		-e "s/^\(committer.*> \).*$/\1$GIT_COMMITTER_DATE/" \
-		commit >expected &&
+		-e "s/^\(committer.*> \).*$/\1$GIT_COMMITTER_DATE/" > \
+		expected &&
 	git commit --amend --author="$author" &&
-	git cat-file -p HEAD >current &&
+	git cat-file -p HEAD > current &&
 	test_cmp expected current
 
 '
@@ -376,12 +377,12 @@ test_expect_success 'amend commit to fix date' '
 	test_tick &&
 	newtick=$GIT_AUTHOR_DATE &&
 	git reset --hard &&
-	git cat-file -p HEAD >commit &&
+	git cat-file -p HEAD |
 	sed -e "s/author.*/author $author $newtick/" \
-		-e "s/^\(committer.*> \).*$/\1$GIT_COMMITTER_DATE/" \
-		commit >expected &&
+		-e "s/^\(committer.*> \).*$/\1$GIT_COMMITTER_DATE/" > \
+		expected &&
 	git commit --amend --date="$newtick" &&
-	git cat-file -p HEAD >current &&
+	git cat-file -p HEAD > current &&
 	test_cmp expected current
 
 '
@@ -408,13 +409,12 @@ test_expect_success 'sign off (1)' '
 	echo 1 >positive &&
 	git add positive &&
 	git commit -s -m "thank you" &&
-	git cat-file commit HEAD >commit &&
-	sed -e "1,/^\$/d" commit >actual &&
+	git cat-file commit HEAD | sed -e "1,/^\$/d" >actual &&
 	(
 		echo thank you &&
 		echo &&
-		git var GIT_COMMITTER_IDENT >ident &&
-		sed -e "s/>.*/>/" -e "s/^/Signed-off-by: /" ident
+		git var GIT_COMMITTER_IDENT |
+		sed -e "s/>.*/>/" -e "s/^/Signed-off-by: /"
 	) >expected &&
 	test_cmp expected actual
 
@@ -428,14 +428,13 @@ test_expect_success 'sign off (2)' '
 	git commit -s -m "thank you
 
 $existing" &&
-	git cat-file commit HEAD >commit &&
-	sed -e "1,/^\$/d" commit >actual &&
+	git cat-file commit HEAD | sed -e "1,/^\$/d" >actual &&
 	(
 		echo thank you &&
 		echo &&
 		echo $existing &&
-		git var GIT_COMMITTER_IDENT >ident &&
-		sed -e "s/>.*/>/" -e "s/^/Signed-off-by: /" ident
+		git var GIT_COMMITTER_IDENT |
+		sed -e "s/>.*/>/" -e "s/^/Signed-off-by: /"
 	) >expected &&
 	test_cmp expected actual
 
@@ -449,14 +448,13 @@ test_expect_success 'signoff gap' '
 	git commit -s -m "welcome
 
 $alt" &&
-	git cat-file commit HEAD >commit &&
-	sed -e "1,/^\$/d" commit >actual &&
+	git cat-file commit HEAD | sed -e "1,/^\$/d" > actual &&
 	(
 		echo welcome &&
 		echo &&
 		echo $alt &&
-		git var GIT_COMMITTER_IDENT >ident &&
-		sed -e "s/>.*/>/" -e "s/^/Signed-off-by: /" ident
+		git var GIT_COMMITTER_IDENT |
+		sed -e "s/>.*/>/" -e "s/^/Signed-off-by: /"
 	) >expected &&
 	test_cmp expected actual
 '
@@ -470,16 +468,15 @@ test_expect_success 'signoff gap 2' '
 
 We have now
 $alt" &&
-	git cat-file commit HEAD >commit &&
-	sed -e "1,/^\$/d" commit >actual &&
+	git cat-file commit HEAD | sed -e "1,/^\$/d" > actual &&
 	(
 		echo welcome &&
 		echo &&
 		echo We have now &&
 		echo $alt &&
 		echo &&
-		git var GIT_COMMITTER_IDENT >ident &&
-		sed -e "s/>.*/>/" -e "s/^/Signed-off-by: /" ident
+		git var GIT_COMMITTER_IDENT |
+		sed -e "s/>.*/>/" -e "s/^/Signed-off-by: /"
 	) >expected &&
 	test_cmp expected actual
 '
@@ -492,8 +489,7 @@ test_expect_success 'signoff respects trailer config' '
 
 non-trailer line
 Myfooter: x" &&
-	git cat-file commit HEAD >commit &&
-	sed -e "1,/^\$/d" commit >actual &&
+	git cat-file commit HEAD | sed -e "1,/^\$/d" > actual &&
 	(
 		echo subject &&
 		echo &&
@@ -510,8 +506,7 @@ Myfooter: x" &&
 
 non-trailer line
 Myfooter: x" &&
-	git cat-file commit HEAD >commit &&
-	sed -e "1,/^\$/d" commit >actual &&
+	git cat-file commit HEAD | sed -e "1,/^\$/d" > actual &&
 	(
 		echo subject &&
 		echo &&
@@ -543,8 +538,7 @@ test_expect_success 'multiple -m' '
 	>negative &&
 	git add negative &&
 	git commit -m "one" -m "two" -m "three" &&
-	git cat-file commit HEAD >commit &&
-	sed -e "1,/^\$/d" commit >actual &&
+	git cat-file commit HEAD | sed -e "1,/^\$/d" >actual &&
 	(
 		echo one &&
 		echo &&
@@ -561,25 +555,23 @@ test_expect_success 'amend commit to fix author' '
 	oldtick=$GIT_AUTHOR_DATE &&
 	test_tick &&
 	git reset --hard &&
-	git cat-file -p HEAD >commit &&
+	git cat-file -p HEAD |
 	sed -e "s/author.*/author $author $oldtick/" \
-		-e "s/^\(committer.*> \).*$/\1$GIT_COMMITTER_DATE/" \
-		commit >expected &&
+		-e "s/^\(committer.*> \).*$/\1$GIT_COMMITTER_DATE/" > \
+		expected &&
 	git commit --amend --author="$author" &&
-	git cat-file -p HEAD >current &&
+	git cat-file -p HEAD > current &&
 	test_cmp expected current
 
 '
 
 test_expect_success 'git commit <file> with dirty index' '
-	echo tacocat >elif &&
-	echo tehlulz >chz &&
+	echo tacocat > elif &&
+	echo tehlulz > chz &&
 	git add chz &&
 	git commit elif -m "tacocat is a palindrome" &&
-	git show --stat >stat &&
-	grep elif stat &&
-	git diff --cached >diff &&
-	grep chz diff
+	git show --stat | grep elif &&
+	git diff --cached | grep chz
 '
 
 test_expect_success 'same tree (single parent)' '
@@ -592,8 +584,7 @@ test_expect_success 'same tree (single parent)' '
 test_expect_success 'same tree (single parent) --allow-empty' '
 
 	git commit --allow-empty -m "forced empty" &&
-	git cat-file commit HEAD >commit &&
-	grep forced commit
+	git cat-file commit HEAD | grep forced
 
 '