[PATCH] t0090: be prepared that 'wc -l' writes leading blanks

[Johannes Sixt <j.sixt@viscovery.net>]

From: Johannes Sixt <j6t@kdbg.org>

Use 'printf %d $(whatever|wc -l)' so that the shell removes the blanks
for us.

Signed-off-by: Johannes Sixt <j6t@kdbg.org>
---
Am 12/14/2011 16:41, schrieb Johannes Sixt:
> I'd solve it by moving the command substitution outside the quoted string:
> 
>  	printf "SHA (%d entries, 0 subtrees)\n" \
> 		$(git ls-files | wc -l) >expect &&
> 
> Other proposed solutions add another process. I don't like that on Windows ;)

And here is a proper patch to that effect.

-- Hannes

 t/t0090-cache-tree.sh |    6 ++----
 1 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/t/t0090-cache-tree.sh b/t/t0090-cache-tree.sh
index f972562..6c33e28 100755
--- a/t/t0090-cache-tree.sh
+++ b/t/t0090-cache-tree.sh
@@ -17,15 +17,13 @@ cmp_cache_tree () {
 # test-dump-cache-tree already verifies that all existing data is
 # correct.
 test_shallow_cache_tree () {
-	echo "SHA " \
-	    "($(git ls-files|wc -l) entries, 0 subtrees)" >expect &&
+	printf "SHA  (%d entries, 0 subtrees)\n" $(git ls-files|wc -l) >expect &&
 	cmp_cache_tree expect
 }
 
 test_invalid_cache_tree () {
 	echo "invalid                                   (0 subtrees)" >expect &&
-	echo "SHA #(ref) " \
-	    "($(git ls-files|wc -l) entries, 0 subtrees)" >>expect &&
+	printf "SHA #(ref)  (%d entries, 0 subtrees)\n" $(git ls-files|wc -l) >>expect &&
 	cmp_cache_tree expect
 }
 
-- 
1.7.8.1499.g39f909