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wiki/tools/semver_next.sh

53 lines
750 B

#!/bin/bash
# Increment a version string using Semantic Versioning (SemVer) terminology.
# Parse command line options.
while getopts ":Mmp" Option
do
case $Option in
M ) major=true;;
m ) minor=true;;
p ) patch=true;;
esac
done
shift $(($OPTIND - 1))
version=$1
# Build array from version string.
a=( ${version//./ } )
# If version string is missing or has the wrong number of members, show usage message.
if [ ${#a[@]} -ne 3 ]
then
echo "usage: $(basename $0) [-Mmp] major.minor.patch"
exit 1
fi
# Increment version numbers as requested.
if [ ! -z $major ]
then
((a[0]++))
a[1]=0
a[2]=0
fi
if [ ! -z $minor ]
then
((a[1]++))
a[2]=0
fi
if [ ! -z $patch ]
then
((a[2]++))
fi
echo "${a[0]}.${a[1]}.${a[2]}"