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lxc-checkconfig: Allow to override grep and config

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It might be handy for the user to specify a different kernel config file
to check, perhaps the one of a kernel he's about to build. To allow that
we only set the CONFIG variable if it's not present in the environment
before. Also, if CONFIG is not found and we resort to a different file,
we say it explicitely, to avoid typos on the user's part resulting in
silently checking a different config than the one the user wanted.

Signed-off-by: Guido Trotter <ultrotter@quaqua.net>
Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com>
This commit is contained in:
Guido Trotter 2009-03-18 17:53:32 +00:00 committed by Daniel Lezcano
parent 84a156421a
commit dbdab2ffcb
1 changed files with 7 additions and 2 deletions
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9
src/lxc/lxc-checkconfig.in
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@ -1,6 +1,8 @@
#!/bin/bash
CONFIG=/proc/config.gz
GREP=zgrep
# 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"
@ -24,6 +26,7 @@ is_enabled() {
}
if [ ! -f $CONFIG ]; then
echo "Kernel config $CONFIG not found, looking in other places..."
KVER="`uname -r`"
HEADERS_CONFIG="/lib/modules/$KVER/build/.config"
BOOT_CONFIG="/boot/config-$KVER"
@ -36,6 +39,8 @@ if [ ! -f $CONFIG ]; then
echo "Please recompile with IKCONFIG_PROC or install the kernel headers"
echo
exit 1
else
echo "Found kernel config file $CONFIG"
fi
fi