#!/bin/sh

VERSION_FILE=$1
OUTPUT_FILE=$2

if test -z "$VERSION_FILE";then
	VERSION_FILE="VERSION"
fi

if test -z "$OUTPUT_FILE";then
	OUTPUT_FILE="version.h"
fi

SOURCE_DIR=$3

SAMBA_VERSION_MAJOR=`sed -n 's/^SAMBA_VERSION_MAJOR=//p' $SOURCE_DIR$VERSION_FILE`
SAMBA_VERSION_MINOR=`sed -n 's/^SAMBA_VERSION_MINOR=//p' $SOURCE_DIR$VERSION_FILE`
SAMBA_VERSION_RELEASE=`sed -n 's/^SAMBA_VERSION_RELEASE=//p' $SOURCE_DIR$VERSION_FILE`

SAMBA_VERSION_REVISION=`sed -n 's/^SAMBA_VERSION_REVISION=//p' $SOURCE_DIR$VERSION_FILE`

SAMBA_VERSION_TP_RELEASE=`sed -n 's/^SAMBA_VERSION_TP_RELEASE=//p' $SOURCE_DIR$VERSION_FILE`
SAMBA_VERSION_ALPHA_RELEASE=`sed -n 's/^SAMBA_VERSION_ALPHA_RELEASE=//p' $SOURCE_DIR$VERSION_FILE`
SAMBA_VERSION_PRE_RELEASE=`sed -n 's/^SAMBA_VERSION_PRE_RELEASE=//p' $SOURCE_DIR$VERSION_FILE`
SAMBA_VERSION_RC_RELEASE=`sed -n 's/^SAMBA_VERSION_RC_RELEASE=//p' $SOURCE_DIR$VERSION_FILE`

SAMBA_VERSION_IS_SVN_SNAPSHOT=`sed -n 's/^SAMBA_VERSION_IS_SVN_SNAPSHOT=//p' $SOURCE_DIR$VERSION_FILE`

SAMBA_VERSION_RELEASE_NICKNAME=`sed -n 's/^SAMBA_VERSION_RELEASE_NICKNAME=//p' $SOURCE_DIR$VERSION_FILE`

SAMBA_VERSION_VENDOR_SUFFIX=`sed -n 's/^SAMBA_VERSION_VENDOR_SUFFIX=//p' $SOURCE_DIR$VERSION_FILE`
SAMBA_VERSION_VENDOR_PATCH=`sed -n 's/^SAMBA_VERSION_VENDOR_PATCH=//p' $SOURCE_DIR$VERSION_FILE`

echo "/* Autogenerated by script/mkversion.sh */" > $OUTPUT_FILE

echo "#define SAMBA_VERSION_MAJOR ${SAMBA_VERSION_MAJOR}" >> $OUTPUT_FILE
echo "#define SAMBA_VERSION_MINOR ${SAMBA_VERSION_MINOR}" >> $OUTPUT_FILE
echo "#define SAMBA_VERSION_RELEASE ${SAMBA_VERSION_RELEASE}" >> $OUTPUT_FILE


##
## start with "3.0.22"
##
SAMBA_VERSION_STRING="${SAMBA_VERSION_MAJOR}.${SAMBA_VERSION_MINOR}.${SAMBA_VERSION_RELEASE}"


##
## maybe add "3.0.22a" or "4.0.0tp11" or "4.0.0alpha1" or "3.0.22pre1" or "3.0.22rc1"
## We do not do pre or rc version on patch/letter releases
##
if test -n "${SAMBA_VERSION_REVISION}";then
    SAMBA_VERSION_STRING="${SAMBA_VERSION_STRING}${SAMBA_VERSION_REVISION}"
    echo "#define SAMBA_VERSION_REVISION \"${SAMBA_VERSION_REVISION}\"" >> $OUTPUT_FILE
elif test -n "${SAMBA_VERSION_TP_RELEASE}";then
    SAMBA_VERSION_STRING="${SAMBA_VERSION_STRING}tp${SAMBA_VERSION_TP_RELEASE}"
    echo "#define SAMBA_VERSION_TP_RELEASE ${SAMBA_VERSION_TP_RELEASE}" >> $OUTPUT_FILE
elif test -n "${SAMBA_VERSION_ALPHA_RELEASE}";then
    SAMBA_VERSION_STRING="${SAMBA_VERSION_STRING}alpha${SAMBA_VERSION_ALPHA_RELEASE}"
    echo "#define SAMBA_VERSION_ALPHA_RELEASE ${SAMBA_VERSION_ALPHA_RELEASE}" >> $OUTPUT_FILE
elif test -n "${SAMBA_VERSION_PRE_RELEASE}";then
    ## maybe add "3.0.22pre2"
    SAMBA_VERSION_STRING="${SAMBA_VERSION_STRING}pre${SAMBA_VERSION_PRE_RELEASE}"
    echo "#define SAMBA_VERSION_PRE_RELEASE ${SAMBA_VERSION_PRE_RELEASE}" >> $OUTPUT_FILE
elif test -n "${SAMBA_VERSION_RC_RELEASE}";then
    SAMBA_VERSION_STRING="${SAMBA_VERSION_STRING}rc${SAMBA_VERSION_RC_RELEASE}"
    echo "#define SAMBA_VERSION_RC_RELEASE ${SAMBA_VERSION_RC_RELEASE}" >> $OUTPUT_FILE
fi

##
## SVN revision number? 
##
if test x"${SAMBA_VERSION_IS_SVN_SNAPSHOT}" = x"yes";then
    _SAVE_LANG=${LANG}
    LANG=""
    HAVEVER="no"

    if test x"${HAVEVER}" != x"yes";then
    	HAVESVN=no
    	SVN_INFO=`svn info ${SOURCE_DIR} 2>/dev/null`
    	TMP_REVISION=`echo -e "${SVN_INFO}" | grep 'Last Changed Rev.*:' |sed -e 's/Last Changed Rev.*: \([0-9]*\).*/\1/'`
    	if test -n "$TMP_REVISION"; then
	    HAVESVN=yes
	    HAVEVER=yes
    	fi
    fi

    if test x"${HAVEVER}" != x"yes";then
	HAVESVK=no
	SVK_INFO=`svk info ${SOURCE_DIR} 2>/dev/null`
	TMP_REVISION=`echo -e "${SVK_INFO}" | grep 'Last Changed Rev.*:' |sed -e 's/Last Changed Rev.*: \([0-9]*\).*/\1/'`
	if test -n "$TMP_REVISION"; then
	    HAVESVK=yes
	    HAVEVER=yes
	fi
	TMP_MIRRORED_REVISION=`echo -e "${SVK_INFO}" | grep 'Mirrored From:.*samba\.org.*' |sed -e 's/Mirrored From: .* Rev\..* \([0-9]*\).*/\1/'`
    fi

    if test x"${HAVEVER}" != x"yes" -a -d "${SOURCE_DIR}../.bzr";then
    	HAVEBZR=no
	BZR_INFO=`bzr version-info --check-clean ${SOURCE_DIR} 2>/dev/null`
	TMP_REVISION=`echo -e "${BZR_INFO}" | grep 'revno:' |sed -e 's/revno: \([0-9]*\).*/\1/'`
	if test -n "$TMP_REVISION"; then
	    HAVEBZR=yes
	    HAVEVER=yes
	fi
	TMP_MIRRORED_REVISION=`echo -e "${BZR_INFO}" | grep 'revision-id: svn-v1:.*@0c0555d6-39d7-0310-84fc-f1cc0bd64818' |sed -e 's/revision-id: svn-v1:\([0-9]*\)@0c0555d6-39d7-0310-84fc-f1cc0bd64818.*/\1/'`
	TMP_BRANCH_NICK=`echo -e "${BZR_INFO}" | grep 'branch-nick:' |sed -e 's/branch-nick: \(.*\)$/\1/'`
	TMP_CLEAN_TREE=`echo -e "${BZR_INFO}" | grep 'clean:' |sed -e 's/clean: \([a-zA-Z]*\).*/\1/'`
    fi

    if test x"${HAVEVER}" != x"yes" -a -d "${SOURCE_DIR}../.git";then
	HAVEGIT=no
        GIT_INFO=`git show --abbrev-commit HEAD 2>/dev/null`
	TMP_REVISION=`echo -e "${GIT_INFO}" | sed 1q | grep 'commit ' | sed -e 's/commit \([0-9a-f]*\).*/\1/'`
	if test -n "$TMP_REVISION";then
	    HAVEGIT=yes
            HAVEVER=yes
	fi
	TMP_MIRRORED_REVISION=`echo -e "${GIT_INFO}" | grep 'git-svn-id' |sed -e 's#^[ ^t]*git-svn-id: svn+ssh://svn.samba.org/data/svn/samba/branches/\(SAMBA_[34]_[0-9]\(_[0-9]\+\)\?@[0-9]*\).*#\1#'`
    fi
	

    if test x"${HAVESVN}" = x"yes";then
	SAMBA_VERSION_STRING="${SAMBA_VERSION_STRING}-SVN-build-${TMP_REVISION}"
	echo "#define SAMBA_VERSION_SVN_REVISION ${TMP_REVISION}" >> $OUTPUT_FILE
    elif test x"${HAVESVK}" = x"yes";then
	if test -n "$TMP_MIRRORED_REVISION"; then
	    TMP_SVK_REVISION_STR="${TMP_REVISION}-${USER}@${HOSTNAME}-[SVN-${TMP_MIRRORED_REVISION}]"
	else
	    TMP_SVK_REVISION_STR="${TMP_REVISION}-${USER}@${HOSTNAME}"
	fi
	SAMBA_VERSION_STRING="${SAMBA_VERSION_STRING}-SVK-build-${TMP_SVK_REVISION_STR}"
    elif test x"${HAVEBZR}" = x"yes";then
	TMP_BZR_REVISION_STR="${TMP_REVISION}"

	if test -n "$TMP_BRANCH_NICK"; then
	    TMP_BZR_REVISION_STR="${TMP_BZR_REVISION_STR}${TMP_MOD_STR}@${TMP_BRANCH_NICK}"
	fi

	if test -n "$TMP_MIRRORED_REVISION"; then
	    TMP_BZR_REVISION_STR="${TMP_BZR_REVISION_STR}-[SVN-${TMP_MIRRORED_REVISION}]"
	fi

	if test  x"$TMP_CLEAN_TREE" != x"True"; then
	    TMP_BZR_REVISION_STR="${TMP_BZR_REVISION_STR}-[modified]"
	fi

	SAMBA_VERSION_STRING="${SAMBA_VERSION_STRING}-BZR-${TMP_BZR_REVISION_STR}"
    elif test x"${HAVEGIT}" = x"yes";then
	TMP_GIT_REVISION_STR="${TMP_REVISION}"

	if test -n "$TMP_MIRRORED_REVISION"; then
	    TMP_GIT_REVISION_STR="${TMP_GIT_REVISION_STR}-[SVN-${TMP_MIRRORED_REVISION}]"
	fi

	SAMBA_VERSION_STRING="${SAMBA_VERSION_STRING}-GIT-${TMP_GIT_REVISION_STR}"
    else
	SAMBA_VERSION_STRING="${SAMBA_VERSION_STRING}-SVN-build-UNKNOWN"
    fi
    LANG=${_SAVE_LANG}
fi

echo "#define SAMBA_VERSION_OFFICIAL_STRING \"${SAMBA_VERSION_STRING}\"" >> $OUTPUT_FILE

##
## Add the vendor string if present
##
if test -n "${SAMBA_VERSION_VENDOR_SUFFIX}";then
    echo "#define SAMBA_VERSION_VENDOR_SUFFIX ${SAMBA_VERSION_VENDOR_SUFFIX}" >> $OUTPUT_FILE
    SAMBA_VERSION_STRING="${SAMBA_VERSION_STRING}-${SAMBA_VERSION_VENDOR_SUFFIX}"
    if test -n "${SAMBA_VERSION_VENDOR_PATCH}";then
        echo "#define SAMBA_VERSION_VENDOR_PATCH ${SAMBA_VERSION_VENDOR_PATCH}" >> $OUTPUT_FILE
        SAMBA_VERSION_STRING="${SAMBA_VERSION_STRING}-${SAMBA_VERSION_VENDOR_PATCH}"
    fi
fi

echo "/* Version for mkrelease.sh: " >> $OUTPUT_FILE
echo "SAMBA_VERSION_STRING=$SAMBA_VERSION_STRING" >> $OUTPUT_FILE
echo "*/" >> $OUTPUT_FILE

##
## Add a release nickname
##
if test -n "${SAMBA_VERSION_RELEASE_NICKNAME}";then
    echo "#define SAMBA_VERSION_RELEASE_NICKNAME ${SAMBA_VERSION_RELEASE_NICKNAME}" >> $OUTPUT_FILE
    SAMBA_VERSION_STRING="${SAMBA_VERSION_STRING} (${SAMBA_VERSION_RELEASE_NICKNAME})"
fi

echo "#define SAMBA_VERSION_STRING \"${SAMBA_VERSION_STRING}\"" >> $OUTPUT_FILE

echo "$0: '$OUTPUT_FILE' created for Samba(\"${SAMBA_VERSION_STRING}\")"

exit 0