[yocto] [PATCH] update-rc.d: support enable/disable function
Changqing Li
changqing.li at windriver.com
Wed Dec 5 00:13:18 PST 2018
ping
On 11/26/18 11:35 AM, Changqing Li wrote:
> Ping
>
> On 11/9/18 5:44 PM, changqing.li at windriver.com wrote:
>> From: Changqing Li <changqing.li at windriver.com>
>>
>> Add support of enable/disable function, so that user can keep
>> previous config after upgrade package
>>
>> Signed-off-by: Changqing Li <changqing.li at windriver.com>
>> ---
>> update-rc.d | 70
>> +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>> 1 file changed, 70 insertions(+)
>>
>> diff --git a/update-rc.d b/update-rc.d
>> index e07cf85..1ba97d3 100644
>> --- a/update-rc.d
>> +++ b/update-rc.d
>> @@ -27,6 +27,7 @@ usage()
>> usage: update-rc.d [-n] [-f] [-r <root>] <basename> remove
>> update-rc.d [-n] [-r <root>] [-s] <basename> defaults [NN |
>> sNN kNN]
>> update-rc.d [-n] [-r <root>] [-s] <basename> start|stop NN
>> runlvl [runlvl] [...] .
>> + update-rc.d [-n] [-r <root>] [-s] <basename> enable|disable
>> [S|2|3|4|5]
>> -n: not really
>> -f: force
>> -v: verbose
>> @@ -101,6 +102,43 @@ makelinks()
>> done
>> }
>> +renamelink()
>> +{
>> + local oldstartstop newstartstop lev oldnn newnn
>> + if [ "x$1" = "xS" ]; then
>> + oldstartstop="K"
>> + newstartstop="S"
>> + else
>> + oldstartstop="S"
>> + newstartstop="K"
>> + fi
>> +
>> + lev=$2
>> + if ls ${etcd}${lev}.d/${oldstartstop}*${bn} >/dev/null 2>&1; then
>> + oldnn=`basename ${etcd}${lev}.d/${oldstartstop}*${bn}|cut
>> -c2-3`
>> + newnn=$[100-$oldnn]
>> + [ $verbose -eq 1 ] && echo "rename
>> ${etcd}${lev}.d/${oldstartstop}${oldnn}${bn} ->
>> ${etcd}${lev}.d/${newstartstop}${newnn}${bn}"
>> + if [ $notreally -eq 0 ];then
>> + mv ${etcd}${lev}.d/${oldstartstop}${oldnn}${bn}
>> ${etcd}${lev}.d/${newstartstop}${newnn}${bn}
>> + fi
>> + if [ $dostart -eq 1 ] && [ $newstartstop = "S" ] && [ $lev =
>> $RUNLEVEL ]; then
>> + $fn start || true
>> + fi
>> + fi
>> +
>> +}
>> +
>> +renamelinks()
>> +{
>> + if [ $# -eq 2 ]; then
>> + renamelink $1 $2
>> + else
>> + for i in 2 3 4 5 S; do
>> + renamelink $1 $i
>> + done
>> + fi
>> +}
>> +
>> while [ $# -gt 0 ]; do
>> case $1 in
>> -n) notreally=1
>> @@ -221,6 +259,13 @@ case $1 in
>> ;;
>> start | stop)
>> + if [ $# -lt 4 ]
>> + then
>> + echo "Not enough arguments"
>> + usage
>> + exit 1
>> + fi
>> +
>> while [ $# -gt 0 ]; do
>> if [ $1 = "start" ]; then
>> letter=S
>> @@ -251,6 +296,31 @@ case $1 in
>> makelinks
>> ;;
>> + enable | disable)
>> + if [ $1 = "enable" ]; then
>> + letter=S
>> + elif [ $1 = "disable" ]; then
>> + letter=K
>> + else
>> + usage
>> + exit 1
>> + fi
>> + shift
>> + if [ $# -gt 0 ]
>> + then
>> + case $1 in
>> + S|2|3|4|5)
>> + renamelinks $letter $1
>> + ;;
>> + *)
>> + usage
>> + exit 1
>> + ;;
>> + esac
>> + else
>> + renamelinks $letter
>> + fi
>> + ;;
>> *)
>> usage
>> exit 1
>
--
BRs
Sandy(Li Changqing)
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