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t0090: avoid passing empty string to printf %d

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FreeBSD's printf(1) doesn't accept empty strings for numerical format
specifiers:

	$ printf "%d\n" "" >/dev/null; echo $?
	printf: : expected numeric value
	1

Initialize the AWK variable c to make sure the shell variable
subtree_count always contains a numerical value, in order to keep the
subsequently called printf happy.

Signed-off-by: Rene Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
René Scharfe 2014-09-30 19:42:03 +02:00 committed by Junio C Hamano
parent 4ed115e9c5
commit c8db708d5d
1 changed files with 1 additions and 1 deletions
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t/t0090-cache-tree.sh
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@ -22,7 +22,7 @@ generate_expected_cache_tree_rec () {
# ls-files might have foo/bar, foo/bar/baz, and foo/bar/quux
# We want to count only foo because it's the only direct child
subtrees=$(git ls-files|grep /|cut -d / -f 1|uniq) &&
subtree_count=$(echo "$subtrees"|awk '$1 {++c} END {print c}') &&
subtree_count=$(echo "$subtrees"|awk -v c=0 '$1 {++c} END {print c}') &&
entries=$(git ls-files|wc -l) &&
printf "SHA $dir (%d entries, %d subtrees)\n" "$entries" "$subtree_count" &&
for subtree in $subtrees