#! /usr/bin/ksh
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#
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#
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# This file and its contents are supplied under the terms of the
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# Common Development and Distribution License ("CDDL"), version 1.0.
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# You may only use this file in accordance with the terms of version
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# 1.0 of the CDDL.
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#
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# A full copy of the text of the CDDL should have accompanied this
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# source. A copy of the CDDL is also available via the Internet at
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# http://www.illumos.org/license/CDDL.
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#
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#
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# Copyright 2022 Marcel Telka
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#
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function usage
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{
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[[ -n "$1" ]] && printf "ERROR: %s\n\n" "$1"
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printf "Usage: perl-version-convert DISTRIBUTION VERSION\n" >&2
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[[ -n "$1" ]] && exit 1
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exit 0
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}
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(($# == 0)) && usage
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(($# == 1)) && usage "Missing VERSION to convert"
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(($# > 2)) && usage "Too many arguments"
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DISTRIBUTION="$1"
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VERSION="$2"
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function unsupported_version
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{
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typeset -n C=$1
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typeset VERSION=$2
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printf "ERROR: Unsupported version format: %s\n" "$VERSION" >&2
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C="UNSUPPORTED_VERSION_FORMAT_$VERSION"
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}
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function convert_version
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{
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typeset -n C=$1
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typeset DIST=$2
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typeset VERSION=$3
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typeset -a VER
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#
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# Handle special cases
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#
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# Notes:
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#
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# (*) The version format for Authen-PAM is 0.XX, but it was integrated
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# as XX, so we need to follow that.
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#
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# (*) The actual version format for Crypt-PBKDF2 is 0.YYDDDR (YY -
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# year, DDD - day in year, R - release in the day) so it had to be
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# converted to 0.YY.DDD.R to be more accurate, but it was already
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# integrated as 0.YYDDDR, so we need to follow it for now, because
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# 0.YY.DDD.R would be considered older than 0.YYDDDR. Possible
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# conversion of 0.YYDDDR to YY.DDD.R would cause problem in a case the
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# Crypt-PBKDF2 bump their major version.
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#
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# (*) Module-Build uses apparently version format 0.XXYY so it had to
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# be converted to 0.XX.YY, but it was already integrated as 0.XXYY, so
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# we need to follow it for now.
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#
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[[ "$DIST" == "Authen-PAM" && "${VERSION:0:2}" == "0." ]] && ((${#VERSION} == 4)) && VERSION=$((1${VERSION:2:2} - 100))
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[[ "$DIST" == "Crypt-PBKDF2" && "${VERSION:0:2}" == "0." ]] && ((${#VERSION} == 8)) && VER[1]=$((1${VERSION:2:6} - 1000000)) && VERSION=${VERSION:0:1}
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[[ "$DIST" == "Email-Sender" && "${VERSION:0:2}" == "1." ]] && ((${#VERSION} == 8)) && VER[1]=${VERSION:2:1} && VER[2]=$((1${VERSION:3:5} - 100000)) && VERSION=${VERSION:0:1}
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[[ "$DIST" == "Email-Sender" && "${VERSION:0:2}" != "0." && "${VERSION:3:2}" == "00" ]] && ((${#VERSION} == 5)) && VER[1]=${VERSION:2:1} && VERSION=${VERSION:0:1}
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[[ "$DIST" == "Error" && "${VERSION:0:2}" == "0." ]] && ((${#VERSION} == 7)) && VER[2]=$((1${VERSION:4:3} - 1000)) && VERSION=${VERSION:0:4}
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[[ "$DIST" == "Mail-AuthenticationResults" && "${VERSION:0:2}" == "1." ]] && ((${#VERSION} == 10)) && VER[1]=$((1${VERSION:2:4} - 10000)) && VER[2]=$((1${VERSION:6:2} - 100)) && VER[3]=$((1${VERSION:8:2} - 100)) && VERSION=${VERSION:0:1}
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[[ "$DIST" == "Mail-AuthenticationResults" && "${VERSION:0:2}" == "1." ]] && ((${#VERSION} == 12)) && VER[1]=$((1${VERSION:2:4} - 10000)) && VER[2]=$((1${VERSION:6:2} - 100)) && VER[3]=$((1${VERSION:8:2} - 100)) && VER[4]=${VERSION:11:1} && VERSION=${VERSION:0:1}
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[[ "$DIST" == "Mail-AuthenticationResults" && "${VERSION:0:2}" == "2." ]] && ((${#VERSION} == 10)) && VER[1]=$((1${VERSION:2:4} - 10000)) && VER[2]=$((1${VERSION:6:2} - 100)) && VER[3]=$((1${VERSION:8:2} - 100)) && VERSION=${VERSION:0:1}
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[[ "$DIST" == "Mail-AuthenticationResults" && "${VERSION:0:2}" == "2." ]] && ((${#VERSION} == 12)) && VER[1]=$((1${VERSION:2:4} - 10000)) && VER[2]=$((1${VERSION:6:2} - 100)) && VER[3]=$((1${VERSION:8:2} - 100)) && VER[4]=${VERSION:11:1} && VERSION=${VERSION:0:1}
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[[ "$DIST" == "Mail-DKIM" && "${VERSION:0:2}" == "1." ]] && ((${#VERSION} == 10)) && VER[1]=$((1${VERSION:2:4} - 10000)) && VER[2]=$((1${VERSION:6:2} - 100)) && VER[3]=$((1${VERSION:8:2} - 100)) && VERSION=${VERSION:0:1}
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[[ "$DIST" == "Mail-DKIM" && "${VERSION:0:2}" == "1." ]] && ((${#VERSION} == 12)) && VER[1]=$((1${VERSION:2:4} - 10000)) && VER[2]=$((1${VERSION:6:2} - 100)) && VER[3]=$((1${VERSION:8:2} - 100)) && VER[4]=${VERSION:11:1} && VERSION=${VERSION:0:1}
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[[ "$DIST" == "Module-Build" ]] && ((${#VERSION} == 6)) && VER[1]=$((1${VERSION:2:4} - 10000)) && VERSION=${VERSION:0:1}
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[[ "$DIST" == "Mozilla-CA" ]] && ((${#VERSION} == 8)) && VER[1]=$((1${VERSION:4:2} - 100)) && VER[2]=$((1${VERSION:6:2} - 100)) && VERSION=${VERSION:0:4}
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[[ "$DIST" == "Net-DNS-Resolver-Mock" && "${VERSION:0:2}" == "1." ]] && ((${#VERSION} == 10)) && VER[1]=$((1${VERSION:2:4} - 10000)) && VER[2]=$((1${VERSION:6:2} - 100)) && VER[3]=$((1${VERSION:8:2} - 100)) && VERSION=${VERSION:0:1}
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[[ "$DIST" == "PkgConfig" && "${VERSION:4:3}" == "026" ]] && ((${#VERSION} == 7)) && VER[1]=$((1${VERSION:2:2} - 100)) && VERSION=${VERSION:0:1}
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C=
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VER[0]=${VERSION%%.*}
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if [[ "${VER[0]}" != "$VERSION" ]] ; then
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V=${VERSION#*.}
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# Currently we do not support underscore in version
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V=${V//*_*}
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case "$V" in
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?) VER[1]=$V ;;
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??) VER[1]=$((1$V - 100)) ;;
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?.?) VER[1]=${V:0:1} && VER[2]=${V:2:1} ;;
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???) VER[1]=$((1$V - 1000)) ;;
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?.??) VER[1]=${V:0:1} && VER[2]=$((1${V:2:2} - 100)) ;;
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??.?) VER[1]=$((1${V:0:2} - 100)) && VER[2]=${V:3:1} ;;
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????) VER[1]=$((1${V:0:2} - 100)) && VER[2]=$((1${V:2:2} - 100)) ;;
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?.????) unsupported_version C $VERSION ; return ;;
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??.???) unsupported_version C $VERSION ; return ;;
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???.??) unsupported_version C $VERSION ; return ;;
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????.?) unsupported_version C $VERSION ; return ;;
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??????) VER[1]=$((1${V:0:3} - 1000)) ; VER[2]=$((1${V:3:3} - 1000)) ;;
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*) unsupported_version C $VERSION ; return ;;
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esac
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fi
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i=0
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while ((i < ${#VER[@]})) ; do
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((i > 0)) && C="$C."
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C="$C${VER[$i]}"
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i=$((i + 1))
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done
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}
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# For convenience we replace '::' by '-' in a case somebody calls this script
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# with module name instead of distribution name.
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convert_version VER "${DISTRIBUTION//::/-}" "$VERSION"
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printf "%s\n" "$VER"
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