79 lines
1.8 KiB
Bash
Executable File
79 lines
1.8 KiB
Bash
Executable File
#!/bin/sh -e
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# this script will look for upgrade scripts in
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# /usr/share/alternc/install/upgrades and execute them based on the
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# extension
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#
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# usage:
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# $0 oldvers, where oldvers is the version of the package previously
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# installed
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#
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# an upgrade file is considered only if its basename is a version
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# number greater than the $oldvers argument
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# remove version from filename by stripping the extension
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strip_ext() {
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echo $1 | sed -e 's/\.[^.]*$//' -e 's/[a-z_]*$//'
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}
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# find the version from a filename by stripping everything but the extension
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get_ext() {
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echo $1 | sed 's/^.*\.\([^.]*\)$/\1/'
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}
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oldvers=$1
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if [ -z "$oldvers" -o "$oldvers" = '<unknown>' ]; then
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# this is not an upgrade
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exit 0
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fi
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#Checking the form of the version variable. it should be x.x.x with x as a digit.
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#If it is not we correct it.
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if echo $oldvers | grep -qi '[0-9]\.[0-9]\.[0-9].*' ; then
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echo upgrading from : $oldvers
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else
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old_ifs="$IFS"
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IFS='~'
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read PART1 PART2 <<EOF
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$oldvers
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EOF
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IFS="$old_ifs"
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oldvers=$PART1".0"
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echo upgrading from : $oldvers
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fi
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. /etc/alternc/local.sh
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# the upgrade script we are considering
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extensions="*.sql *.sh *.php"
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cd /usr/share/alternc/install/upgrades
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for file in $( ls $extensions | sort -n ) ; do
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if [ -r $file ]; then
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# the version in the filename
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upvers=`strip_ext $file`
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# the extension
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ext=`get_ext $file`
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if dpkg --compare-versions $upvers gt $oldvers; then
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echo running upgrade script $file
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# run the proper program to interpret the upgrade script
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case "$ext" in
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sql)
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mysql --defaults-file=/etc/alternc/my.cnf -f \
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< $file || true
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;;
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php)
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php -q $file || true
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;;
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sh)
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sh $file || true
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;;
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*)
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# Do nothing
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;;
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esac
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fi
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fi
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done
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