Merge branch 'rs/test-cleanup'

Test cleanup.

* rs/test-cleanup:
  t7811: don't create unused file
  t9300: don't create unused file
  test: use test_must_be_empty F instead of test_cmp empty F
  test: use test_must_be_empty F instead of test -z $(cat F)
  t1400: use test_must_be_empty
  t1410: use test_line_count
  t1512: use test_line_count

t/t1011-read-tree-sparse-checkout.sh

@@ -215,15 +215,14 @@ test_expect_success 'read-tree adds to worktree, dirty case' '
 '
 
 test_expect_success 'index removal and worktree narrowing at the same time' '
-	>empty &&
 	echo init.t >.git/info/sparse-checkout &&
 	echo sub/added >>.git/info/sparse-checkout &&
 	git checkout -f top &&
 	echo init.t >.git/info/sparse-checkout &&
 	git checkout removed &&
 	git ls-files sub/added >result &&
 	test ! -f sub/added &&
-	test_cmp empty result
+	test_must_be_empty result
 '
 
 test_expect_success 'read-tree --reset removes outside worktree' '

t/t1309-early-config.sh

@@ -29,7 +29,7 @@ test_expect_success 'ceiling' '
 		cd sub &&
 		test-tool config read_early_config early.config
 	) >output &&
-	test -z "$(cat output)"
+	test_must_be_empty output
 '
 
 test_expect_success 'ceiling #2' '

t/t1400-update-ref.sh

@@ -380,13 +380,13 @@ test_expect_success 'Query "master@{May 26 2005 23:32:00}" (exactly history star
 	test_when_finished "rm -f o e" &&
 	git rev-parse --verify "master@{May 26 2005 23:32:00}" >o 2>e &&
 	test $C = $(cat o) &&
-	test "" = "$(cat e)"
+	test_must_be_empty e
 '
 test_expect_success 'Query "master@{May 26 2005 23:32:30}" (first non-creation change)' '
 	test_when_finished "rm -f o e" &&
 	git rev-parse --verify "master@{May 26 2005 23:32:30}" >o 2>e &&
 	test $A = $(cat o) &&
-	test "" = "$(cat e)"
+	test_must_be_empty e
 '
 test_expect_success 'Query "master@{2005-05-26 23:33:01}" (middle of history with gap)' '
 	test_when_finished "rm -f o e" &&
@@ -398,13 +398,13 @@ test_expect_success 'Query "master@{2005-05-26 23:38:00}" (middle of history)' '
 	test_when_finished "rm -f o e" &&
 	git rev-parse --verify "master@{2005-05-26 23:38:00}" >o 2>e &&
 	test $Z = $(cat o) &&
-	test "" = "$(cat e)"
+	test_must_be_empty e
 '
 test_expect_success 'Query "master@{2005-05-26 23:43:00}" (exact end of history)' '
 	test_when_finished "rm -f o e" &&
 	git rev-parse --verify "master@{2005-05-26 23:43:00}" >o 2>e &&
 	test $E = $(cat o) &&
-	test "" = "$(cat e)"
+	test_must_be_empty e
 '
 test_expect_success 'Query "master@{2005-05-28}" (past end of history)' '
 	test_when_finished "rm -f o e" &&

t/t1410-reflog.sh

@@ -195,7 +195,7 @@ test_expect_success 'delete' '
 
 	git reflog delete master@{1} &&
 	git reflog show master > output &&
-	test $(($master_entry_count - 1)) = $(wc -l < output) &&
+	test_line_count = $(($master_entry_count - 1)) output &&
 	test $HEAD_entry_count = $(git reflog | wc -l) &&
 	! grep ox < output &&
 
@@ -209,7 +209,7 @@ test_expect_success 'delete' '
 
 	git reflog delete master@{07.04.2005.15:15:00.-0700} &&
 	git reflog show master > output &&
-	test $(($master_entry_count - 1)) = $(wc -l < output) &&
+	test_line_count = $(($master_entry_count - 1)) output &&
 	! grep dragon < output
 
 '

t/t1506-rev-parse-diagnosis.sh

@@ -138,10 +138,10 @@ test_expect_success 'incorrect file in :path and :N:path' '
 
 test_expect_success 'invalid @{n} reference' '
 	test_must_fail git rev-parse master@{99999} >output 2>error &&
-	test -z "$(cat output)" &&
+	test_must_be_empty output &&
 	grep "fatal: Log for [^ ]* only has [0-9][0-9]* entries." error  &&
 	test_must_fail git rev-parse --verify master@{99999} >output 2>error &&
-	test -z "$(cat output)" &&
+	test_must_be_empty output &&
 	grep "fatal: Log for [^ ]* only has [0-9][0-9]* entries." error
 '
 
@@ -155,13 +155,13 @@ test_expect_success 'relative path not found' '
 
 test_expect_success 'relative path outside worktree' '
 	test_must_fail git rev-parse HEAD:../file.txt >output 2>error &&
-	test -z "$(cat output)" &&
+	test_must_be_empty output &&
 	test_i18ngrep "outside repository" error
 '
 
 test_expect_success 'relative path when cwd is outside worktree' '
 	test_must_fail git --git-dir=.git --work-tree=subdir rev-parse HEAD:./file.txt >output 2>error &&
-	test -z "$(cat output)" &&
+	test_must_be_empty output &&
 	grep "relative path syntax can.t be used outside working tree." error
 '
 

t/t1512-rev-parse-disambiguation.sh

@@ -282,7 +282,7 @@ test_expect_success 'rev-parse --disambiguate' '
 	# commits created by commit-tree in earlier tests share a
 	# different prefix.
 	git rev-parse --disambiguate=000000000 >actual &&
-	test $(wc -l <actual) = 16 &&
+	test_line_count = 16 actual &&
 	test "$(sed -e "s/^\(.........\).*/\1/" actual | sort -u)" = 000000000
 '
 

t/t6019-rev-list-ancestry-path.sh

@@ -143,14 +143,14 @@ test_expect_success 'setup criss-cross' '
 test_expect_success 'criss-cross: rev-list --ancestry-path cb..bc' '
 	(cd criss-cross &&
 	 git rev-list --ancestry-path xcb..xbc > actual &&
-	 test -z "$(cat actual)")
+	 test_must_be_empty actual)
 '
 
 # no commits in repository descend from cb
 test_expect_success 'criss-cross: rev-list --ancestry-path --all ^cb' '
 	(cd criss-cross &&
 	 git rev-list --ancestry-path --all ^xcb > actual &&
-	 test -z "$(cat actual)")
+	 test_must_be_empty actual)
 '
 
 test_done

t/t7811-grep-open.sh

@@ -113,7 +113,6 @@ test_expect_success 'modified file' '
 	subdir/grep.c
 	unrelated
 	EOF
-	>empty &&
 
 	echo "enum grep_pat_token" >unrelated &&
 	test_when_finished "git checkout HEAD unrelated" &&

t/t9010-svn-fe.sh

@@ -53,8 +53,6 @@ text_no_props () {
 	printf "%s\n" "$text"
 }
 
->empty
-
 test_expect_success 'empty dump' '
 	reinit_git &&
 	echo "SVN-fs-dump-format-version: 2" >input &&
@@ -208,7 +206,7 @@ test_expect_failure 'timestamp and empty file' '
 	test_cmp expect.date actual.date &&
 	test_cmp expect.files actual.files &&
 	git checkout HEAD empty-file &&
-	test_cmp empty file
+	test_must_be_empty file
 '
 
 test_expect_success 'directory with files' '

t/t9300-fast-import.sh

@@ -2477,9 +2477,6 @@ test_expect_success PIPE 'R: copy using cat-file' '
 	echo $expect_id blob $expect_len >expect.response &&
 
 	rm -f blobs &&
-	cat >frontend <<-\FRONTEND_END &&
-	#!/bin/sh
-	FRONTEND_END
 
 	mkfifo blobs &&
 	(