From: Brandon Casey <drafnel@xxxxxxxxx>
Some shells interpret '(( ))' according to the rules for arithmetic
expansion. This may not follow POSIX, but is prevalent in commonly used
shells. Bash does not have a problem with this particular instance of
'((', likely because it is not followed by a '))', but the public domain
ksh does, and so does ksh on IRIX 6.5.
So, add a space between the parenthesis to avoid confusing these shells.
Signed-off-by: Brandon Casey <casey@xxxxxxxxxxxxxxx>
---
git-submodule.sh | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/git-submodule.sh b/git-submodule.sh
index bf110e9..d189a24 100755
--- a/git-submodule.sh
+++ b/git-submodule.sh
@@ -495,7 +495,7 @@ cmd_update()
# Run fetch only if $sha1 isn't present or it
# is not reachable from a ref.
(clear_local_git_env; cd "$path" &&
- ((rev=$(git rev-list -n 1 $sha1 --not --all 2>/dev/null) &&
+ ( (rev=$(git rev-list -n 1 $sha1 --not --all 2>/dev/null) &&
test -z "$rev") || git-fetch)) ||
die "Unable to fetch in submodule path '$path'"
fi
--
1.7.4.4
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