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ack@localhost.localdomain
1c93221134
Update script generates linux config files from others, reducing the burden of maintaining multiple parallel files. Signed-off-by: Emmanuel Ackaouy <ack@xensource.com>
51 lines
1.4 KiB
Bash
51 lines
1.4 KiB
Bash
#!/bin/sh
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set -e
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# Parse arguments
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#
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if [ $# -lt 1 -o $# -gt 4 ]; then
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echo "Usage: $0 config-file EXTRAVERSION XEN_TARGET_ARCH XEN_SYSTYPE"
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exit 1
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fi
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config_file=$1
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extraversion=$2
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target_arch=$3
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systype=$4
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# Start with initial config skeleton file, if any.
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# Derive from linux-defconfig_xen_x86_32 otherwise.
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#
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skeleton=buildconfigs/linux-defconfig_${extraversion}_${target_arch}${systype}
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[ -r $skeleton ] || skeleton=buildconfigs/linux-defconfig_xen_x86_32
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cp $skeleton $config_file
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# Update
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#
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filter_template="s/^#\{0,1\} *\(CONFIG[^= ]*\).*/\/^#\\\{0,1\\\} *\1[= ].*\/d/p"
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config_dirs="buildconfigs/conf.linux buildconfigs/conf.linux-${target_arch} buildconfigs/conf.linux-${extraversion} buildconfigs/conf.linux-${target_arch}-${extraversion}"
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for config_dir in $config_dirs
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do
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if [ -d $config_dir ]; then
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# processing is done in alphanumeric order
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find $config_dir -type f | sort | while read update
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do
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# create the filter rules in a temp file
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filter_rules=`mktemp -t xenupdateconf.XXXXXXXXXX`
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sed -n "${filter_template}" < $update > $filter_rules
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# filter the config file in place, removing any options that
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# will be updated.
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sed -f $filter_rules -i $config_file
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cat $update >> $config_file
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# clean up
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rm -f $filter_rules
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done
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fi
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done
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