parse package version for setversion

#!/bin/bash

parseVersionStringForSetVersion()
{
    version="$1"
    version="${version%-*}"
    v="${version#r}"
    major="${v%%[^0-9]*}"
    v="${v#$major}"
    v="${v#.}"
    middle="${v%%[^0-9]*}"
    v="${v#$middle}"
    v="${v#.}"
    minor="${v%%[^0-9]*}"
    middle="${middle:-0}"
    minor="${minor:-0}"
    echo "major='$major' middle='$middle' minor='$minor'"
    case "$version" in
    r*~*_pm_*)
        v="${major} 0 0 d 0"
        ;;
    r*~alpha*)
        v="${major} 0 0 a 0"
        ;;
    r*~beta*)
        v="${major} 0 0 b 0"
        ;;
    r*~gamma*)
        v="${major} 0 0 g 0"
        ;;
    $major.$middle.$minor)
        v="$major $middle $minor f 0"
        ;;
    *.*.*)
        v="$major $middle $minor d 0"
        ;;
    esac
    echo "$v"
}

versions="r1~alpha4_pm-1
r1~alpha4_pm_hrev47525-1
1.13.1
5.10.1
0.4.0dev
0.4.0_dev
0.4.0_git
"

for v in $versions; do
    echo "parsing '$v' ..."
    parseVersionStringForSetVersion "$v"
done