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authorMike Frysinger <vapier@gentoo.org>2011-11-10 21:46:08 -0500
committerMike Frysinger <vapier@gentoo.org>2011-11-19 02:25:36 -0500
commitef1ff1b4f29762d1caf83dc2b65ccfc7cb96e140 (patch)
treef1ebb65eec6eb156a0fba737bcd5386af2a9ebfe /sh/rc-mount.sh
parent0510c473d4cd9097401e3a7bc236b0121977b81d (diff)
make shell math operations style more succulent
Convert the style: var=$((${var} + 1)) to: : $(( var += 1 )) The latter is easier to read imo. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to 'sh/rc-mount.sh')
-rw-r--r--sh/rc-mount.sh2
1 files changed, 1 insertions, 1 deletions
diff --git a/sh/rc-mount.sh b/sh/rc-mount.sh
index b3c9bf63..2bb14504 100644
--- a/sh/rc-mount.sh
+++ b/sh/rc-mount.sh
@@ -59,7 +59,7 @@ do_unmount()
eend 1
else
local sig="TERM"
- retry=$(($retry - 1))
+ : $(( retry -= 1 ))
[ $retry = 1 ] && sig="KILL"
fuser $f_kill$sig -k $f_opts \
"$mnt" >/dev/null 2>&1