update-rc.d: support enable/disable function

Submitted by changqing.li@windriver.com on Nov. 9, 2018, 9:44 a.m. | Patch ID: 156193

Details

Message ID 1541756697-370127-1-git-send-email-changqing.li@windriver.com
State New
Headers show

Commit Message

changqing.li@windriver.com Nov. 9, 2018, 9:44 a.m.
From: Changqing Li <changqing.li@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@windriver.com>
---
 update-rc.d | 70 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 70 insertions(+)

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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

Comments

changqing.li@windriver.com Nov. 26, 2018, 3:35 a.m.
Ping

On 11/9/18 5:44 PM, changqing.li@windriver.com wrote:
> From: Changqing Li <changqing.li@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@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
changqing.li@windriver.com Dec. 5, 2018, 8:13 a.m.
ping

On 11/26/18 11:35 AM, Changqing Li wrote:
> Ping
>
> On 11/9/18 5:44 PM, changqing.li@windriver.com wrote:
>> From: Changqing Li <changqing.li@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@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
>