53 lines
750 B
Bash
53 lines
750 B
Bash
#!/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]}"
|