the use of 'tr' in the test suite isn't really portable

Some versions of 'tr' only accept octal codes if entered with three digits,
and therefor misinterpret the '\0' in the test suite.

Some versions of 'tr' reject the (needless) use of character classes.

Signed-off-by: H.Merijn Brand <h.m.brand@xs4all.nl>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

11 files changed, 18 insertions, 18 deletions

diff --git a/git-filter-branch.sh b/git-filter-branch.sh
index 29d35fd..3bb2f67 100755
--- a/git-filter-branch.sh
+++ b/git-filter-branch.sh
@@ -290,7 +290,7 @@ while read commit parents; do
 		eval "$filter_tree" < /dev/null ||
 			die "tree filter failed: $filter_tree"
 
-		git diff-index -r $commit | cut -f 2- | tr '\n' '\0' | \
+		git diff-index -r $commit | cut -f 2- | tr '\n' '\000' | \
 			xargs -0 git update-index --add --replace --remove
 		git ls-files -z --others | \
 			xargs -0 git update-index --add --replace --remove
diff --git a/t/diff-lib.sh b/t/diff-lib.sh
index 4624fe6..7dc6d7e 100644
--- a/t/diff-lib.sh
+++ b/t/diff-lib.sh
@@ -21,8 +21,8 @@ compare_diff_raw_z () {
     # Also we do not check SHA1 hash generation in this test, which
     # is a job for t0000-basic.sh
 
-    tr '\0' '\012' <"$1" | sed -e "$sanitize_diff_raw_z" >.tmp-1
-    tr '\0' '\012' <"$2" | sed -e "$sanitize_diff_raw_z" >.tmp-2
+    tr '\000' '\012' <"$1" | sed -e "$sanitize_diff_raw_z" >.tmp-1
+    tr '\000' '\012' <"$2" | sed -e "$sanitize_diff_raw_z" >.tmp-2
     git diff .tmp-1 .tmp-2 && rm -f .tmp-1 .tmp-2
 }
 
diff --git a/t/t0020-crlf.sh b/t/t0020-crlf.sh
index 62bc4bb..89baebd 100755
--- a/t/t0020-crlf.sh
+++ b/t/t0020-crlf.sh
@@ -5,7 +5,7 @@ test_description='CRLF conversion'
 . ./test-lib.sh
 
 q_to_nul () {
-	tr Q '\0'
+	tr Q '\000'
 }
 
 append_cr () {
diff --git a/t/t1300-repo-config.sh b/t/t1300-repo-config.sh
index 1d2bf2c..e894629 100755
--- a/t/t1300-repo-config.sh
+++ b/t/t1300-repo-config.sh
@@ -591,12 +591,12 @@ Qsection.sub=section.val4
 Qsection.sub=section.val5Q
 EOF
 
-git config --null --list | tr '[\000]' 'Q' > result
+git config --null --list | tr '\000' 'Q' > result
 echo >>result
 
 test_expect_success '--null --list' 'cmp result expect'
 
-git config --null --get-regexp 'val[0-9]' | tr '[\000]' 'Q' > result
+git config --null --get-regexp 'val[0-9]' | tr '\000' 'Q' > result
 echo >>result
 
 test_expect_success '--null --get-regexp' 'cmp result expect'
diff --git a/t/t3300-funny-names.sh b/t/t3300-funny-names.sh
index dc8c369..98c133d 100755
--- a/t/t3300-funny-names.sh
+++ b/t/t3300-funny-names.sh
@@ -54,7 +54,7 @@ echo 'just space
 no-funny
 tabs	," (dq) and spaces' >expected
 test_expect_success 'git ls-files -z with-funny' \
-	'git ls-files -z | tr \\0 \\012 >current &&
+	'git ls-files -z | tr \\000 \\012 >current &&
 	git diff expected current'
 
 t1=`git write-tree`
@@ -83,11 +83,11 @@ test_expect_success 'git diff-tree with-funny' \
 echo 'A
 tabs	," (dq) and spaces' >expected
 test_expect_success 'git diff-index -z with-funny' \
-	'git diff-index -z --name-status $t0 | tr \\0 \\012 >current &&
+	'git diff-index -z --name-status $t0 | tr \\000 \\012 >current &&
 	git diff expected current'
 
 test_expect_success 'git diff-tree -z with-funny' \
-	'git diff-tree -z --name-status $t0 $t1 | tr \\0 \\012 >current &&
+	'git diff-tree -z --name-status $t0 $t1 | tr \\000 \\012 >current &&
 	git diff expected current'
 
 cat > expected <<\EOF
diff --git a/t/t4020-diff-external.sh b/t/t4020-diff-external.sh
index ed3bd5b..8882933 100755
--- a/t/t4020-diff-external.sh
+++ b/t/t4020-diff-external.sh
@@ -99,7 +99,7 @@ test_expect_success 'no diff with -diff' '
 	git diff | grep Binary
 '
 
-echo NULZbetweenZwords | tr Z '\0' > file
+echo NULZbetweenZwords | tr Z '\000' > file
 
 test_expect_success 'force diff with "diff"' '
 	echo >.gitattributes "file diff" &&
diff --git a/t/t4103-apply-binary.sh b/t/t4103-apply-binary.sh
index 011126f..74f06ec 100755
--- a/t/t4103-apply-binary.sh
+++ b/t/t4103-apply-binary.sh
@@ -24,10 +24,10 @@ git update-index --add --remove file1 file2 file4
 git-commit -m 'Initial Version' 2>/dev/null
 
 git-checkout -b binary
-tr 'x' '\0' <file1 >file3
+tr 'x' '\000' <file1 >file3
 cat file3 >file4
 git add file2
-tr '\0' 'v' <file3 >file1
+tr '\000' 'v' <file3 >file1
 rm -f file2
 git update-index --add --remove file1 file2 file3 file4
 git-commit -m 'Second Version'
diff --git a/t/t4116-apply-reverse.sh b/t/t4116-apply-reverse.sh
index 9ae2b3a..b1d35ab 100755
--- a/t/t4116-apply-reverse.sh
+++ b/t/t4116-apply-reverse.sh
@@ -12,14 +12,14 @@ test_description='git apply in reverse
 test_expect_success setup '
 
 	for i in a b c d e f g h i j k l m n; do echo $i; done >file1 &&
-	tr "[ijk]" '\''[\0\1\2]'\'' <file1 >file2 &&
+	tr "ijk" '\''\000\001\002'\'' <file1 >file2 &&
 
 	git add file1 file2 &&
 	git commit -m initial &&
 	git tag initial &&
 
 	for i in a b c g h i J K L m o n p q; do echo $i; done >file1 &&
-	tr "[mon]" '\''[\0\1\2]'\'' <file1 >file2 &&
+	tr "mon" '\''\000\001\002'\'' <file1 >file2 &&
 
 	git commit -a -m second &&
 	git tag second &&
diff --git a/t/t4200-rerere.sh b/t/t4200-rerere.sh
index cfcdb69..eeff3c9 100755
--- a/t/t4200-rerere.sh
+++ b/t/t4200-rerere.sh
@@ -129,7 +129,7 @@ test_expect_success 'rerere kicked in' "! grep ======= a1"
 test_expect_success 'rerere prefers first change' 'git diff a1 expect'
 
 rm $rr/postimage
-echo "$sha1	a1" | tr '\012' '\0' > .git/rr-cache/MERGE_RR
+echo "$sha1	a1" | tr '\012' '\000' > .git/rr-cache/MERGE_RR
 
 test_expect_success 'rerere clear' 'git rerere clear'
 
diff --git a/t/t5300-pack-object.sh b/t/t5300-pack-object.sh
index f1106e6..6e594bf 100755
--- a/t/t5300-pack-object.sh
+++ b/t/t5300-pack-object.sh
@@ -15,7 +15,7 @@ test_expect_success \
     'rm -f .git/index*
      for i in a b c
      do
-	     dd if=/dev/zero bs=4k count=1 | tr "\\0" $i >$i &&
+	     dd if=/dev/zero bs=4k count=1 | tr "\\000" $i >$i &&
 	     git update-index --add $i || return 1
      done &&
      cat c >d && echo foo >>d && git update-index --add d &&
diff --git a/test-sha1.sh b/test-sha1.sh
index 640856a..bf526c8 100755
--- a/test-sha1.sh
+++ b/test-sha1.sh
@@ -10,7 +10,7 @@ do
 		{
 			test -z "$pfx" || echo "$pfx"
 			dd if=/dev/zero bs=1048576 count=$cnt 2>/dev/null |
-			tr '[\0]' '[g]'
+			tr '\000' 'g'
 		} | ./test-sha1 $cnt
 	`
 	if test "$expect" = "$actual"
@@ -55,7 +55,7 @@ do
 		{
 			test -z "$pfx" || echo "$pfx"
 			dd if=/dev/zero bs=1048576 count=$cnt 2>/dev/null |
-			tr '[\0]' '[g]'
+			tr '\000' 'g'
 		} | sha1sum |
 		sed -e 's/ .*//'
 	`