[lxc-devel] [PATCH v2] lxc-checkconfig: use POSIX shell instead of bash
Natanael Copa
ncopa at alpinelinux.org
Tue Nov 27 07:27:17 UTC 2012
- replace 'echo -e' with printf
- replace 'if [[ ... ]]' with 'if [ ... ]'
- add \ at after && and || when those are at end of line
Signed-off-by: Natanael Copa <ncopa at alpinelinux.org>
---
Changes v1 -> v2:
- rebase against current staging
src/lxc/lxc-checkconfig.in | 32 ++++++++++++++++----------------
1 file changed, 16 insertions(+), 16 deletions(-)
diff --git a/src/lxc/lxc-checkconfig.in b/src/lxc/lxc-checkconfig.in
index 7dd6476..d17bb95 100644
--- a/src/lxc/lxc-checkconfig.in
+++ b/src/lxc/lxc-checkconfig.in
@@ -1,13 +1,13 @@
-#!/bin/bash
+#!/bin/sh
# Allow environment variables to override grep and config
: ${CONFIG:=/proc/config.gz}
: ${GREP:=zgrep}
-SETCOLOR_SUCCESS="echo -en \\033[1;32m"
-SETCOLOR_FAILURE="echo -en \\033[1;31m"
-SETCOLOR_WARNING="echo -en \\033[1;33m"
-SETCOLOR_NORMAL="echo -en \\033[0;39m"
+SETCOLOR_SUCCESS="printf \\e[1;32m"
+SETCOLOR_FAILURE="printf \\e[1;31m"
+SETCOLOR_WARNING="printf \\e[1;33m"
+SETCOLOR_NORMAL="printf \\e[0;39m"
is_set() {
$GREP -q "$1=[y|m]" $CONFIG
@@ -21,12 +21,12 @@ is_enabled() {
RES=$?
if [ $RES -eq 0 ]; then
- $SETCOLOR_SUCCESS && echo -e "enabled" && $SETCOLOR_NORMAL
+ $SETCOLOR_SUCCESS && echo "enabled" && $SETCOLOR_NORMAL
else
if [ ! -z "$mandatory" -a "$mandatory" = yes ]; then
- $SETCOLOR_FAILURE && echo -e "required" && $SETCOLOR_NORMAL
+ $SETCOLOR_FAILURE && echo "required" && $SETCOLOR_NORMAL
else
- $SETCOLOR_WARNING && echo -e "missing" && $SETCOLOR_NORMAL
+ $SETCOLOR_WARNING && echo "missing" && $SETCOLOR_NORMAL
fi
fi
}
@@ -70,7 +70,7 @@ print_cgroups() {
CGROUP_MNT_PATH=`print_cgroups cgroup /proc/self/mounts | head -1`
KVER_MAJOR=$($GREP '^# Linux' $CONFIG | \
sed -r 's/.* ([0-9])\.[0-9]{1,2}\.[0-9]{1,3}.*/\1/')
-if [[ $KVER_MAJOR == 2 ]]; then
+if [ "$KVER_MAJOR" = "2" ]; then
KVER_MINOR=$($GREP '^# Linux' $CONFIG | \
sed -r 's/.* 2.6.([0-9]{2}).*/\1/')
else
@@ -82,7 +82,7 @@ echo -n "Cgroup: " && is_enabled CONFIG_CGROUPS yes
if [ -f $CGROUP_MNT_PATH/cgroup.clone_children ]; then
echo -n "Cgroup clone_children flag: " &&
- $SETCOLOR_SUCCESS && echo -e "enabled" && $SETCOLOR_NORMAL
+ $SETCOLOR_SUCCESS && echo "enabled" && $SETCOLOR_NORMAL
else
echo -n "Cgroup namespace: " && is_enabled CONFIG_CGROUP_NS yes
fi
@@ -101,12 +101,12 @@ echo "--- Misc ---"
echo -n "Veth pair device: " && is_enabled CONFIG_VETH
echo -n "Macvlan: " && is_enabled CONFIG_MACVLAN
echo -n "Vlan: " && is_enabled CONFIG_VLAN_8021Q
-echo -n "File capabilities: " &&
- ( [[ ${KVER_MAJOR} == 2 && ${KVER_MINOR} < 33 ]] &&
- is_enabled CONFIG_SECURITY_FILE_CAPABILITIES ) ||
- ( [[ ( ${KVER_MAJOR} == 2 && ${KVER_MINOR} > 32 ) ||
- ${KVER_MAJOR} > 2 ]] && $SETCOLOR_SUCCESS &&
- echo -e "enabled" && $SETCOLOR_NORMAL )
+echo -n "File capabilities: " && \
+ ( [ "${KVER_MAJOR}" = 2 ] && [ ${KVER_MINOR} -lt 33 ] && \
+ is_enabled CONFIG_SECURITY_FILE_CAPABILITIES ) || \
+ ( ( [ "${KVER_MAJOR}" = "2" ] && [ ${KVER_MINOR} -gt 32 ] ) || \
+ [ ${KVER_MAJOR} -gt 2 ] && $SETCOLOR_SUCCESS && \
+ echo "enabled" && $SETCOLOR_NORMAL )
echo
echo "Note : Before booting a new kernel, you can check its configuration"
--
1.8.0
More information about the lxc-devel
mailing list