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path: root/Mk/Scripts/do-depends.sh
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#!/bin/sh
# $FreeBSD$
#
# MAINTAINER: portmgr@FreeBSD.org

set -e

. ${dp_SCRIPTSDIR}/functions.sh

validate_env dp_RAWDEPENDS dp_DEPTYPE dp_DEPENDS_TARGET dp_DEPENDS_PRECLEAN \
    dp_DEPENDS_CLEAN dp_DEPENDS_ARGS dp_USE_PACKAGE_DEPENDS \
    dp_USE_PACKAGE_DEPENDS_ONLY dp_PKG_ADD dp_PKG_INFO dp_WRKDIR \
    dp_PKGNAME dp_STRICT_DEPENDS dp_LOCALBASE dp_LIB_DIRS dp_SH \
    dp_SCRIPTSDIR PORTSDIR dp_MAKE

[ -n "${DEBUG_MK_SCRIPTS}" -o -n "${DEBUG_MK_SCRIPTS_DO_DEPENDS}" ] && set -x

set -u

install_depends()
{
    origin=$1
    target=$2
    depends_args=$3
    if [ -z "${dp_USE_PACKAGE_DEPENDS}" -a -z "${dp_USE_PACKAGE_DEPENDS_ONLY}" ]; then
        ${dp_MAKE} -C ${origin} -DINSTALLS_DEPENDS ${target} ${depends_args}
        return 0
    fi

    port_var_fetch "${origin}" "${depends_args}" \
        PKGFILE pkgfile \
        PKGBASE pkgbase

    if [ -r "${pkgfile}" -a "${target}" = "${dp_DEPENDS_TARGET}" ]; then
        echo "===>   Installing existing package ${pkgfile}"
        if [ "${pkgbase}" = "pkg" ]; then
            [ -d ${dp_WRKDIR} ] || mkdir -p ${dp_WRKDIR}
            tar xf ${pkgfile} -C ${dp_WRKDIR} -s ",/.*/,,g" "*/pkg-static"
            ${dp_WRKDIR}/pkg-static add ${pkgfile}
            rm -f ${dp_WRKDIR}/pkg-static
        else
            ${dp_PKG_ADD} -A ${pkgfile}
        fi
    elif [ -n "${dp_USE_PACKAGE_DEPENDS_ONLY}" -a "${target}" = "${dp_DEPENDS_TARGET}" ]; then
        echo "===>   ${dp_PKGNAME} depends on package: ${pkgfile} - not found" >&2
        echo "===>   USE_PACKAGE_DEPENDS_ONLY set - not building missing dependency from source" >&2
        exit 1
    else
        ${dp_MAKE} -C ${origin} -DINSTALLS_DEPENDS ${target} ${depends_args}
    fi
}

find_package()
{
    if ${dp_PKG_INFO} "$1" >/dev/null 2>&1; then
        echo "===>   ${dp_PKGNAME} depends on package: $1 - found"
        return 0
    fi
    echo "===>   ${dp_PKGNAME} depends on package: $1 - not found"
    return 1
}

find_file()
{
    if [ -e "$1" ]; then
        echo "===>   ${dp_PKGNAME} depends on file: $1 - found"
        return 0
    fi
    echo "===>   ${dp_PKGNAME} depends on file: $1 - not found"
    return 1
}

find_file_path()
{
    if which -s $1 ; then
        echo "===>   ${dp_PKGNAME} depends on executable: $1 - found"
        return 0
    fi
    echo "===>   ${dp_PKGNAME} depends on executable: $1 - not found"
    return 1
}

find_lib()
{
    echo -n "===>   ${dp_PKGNAME} depends on shared library: $1"
    libfile=$(env -i PATH="${PATH}" LIB_DIRS="${dp_LIB_DIRS}" LOCALBASE="${dp_LOCALBASE}" ${dp_SH} ${dp_SCRIPTSDIR}/find-lib.sh $1)
    if [ -z "${libfile}" ]; then
        echo " - not found"
        return 1
    fi
    echo " - found (${libfile})"
}

anynotfound=0
err=0
for _line in ${dp_RAWDEPENDS} ; do
    # ensure we never leak flavors
    unset FLAVOR
    myifs=${IFS}
    IFS=:
    set -- ${_line}
    IFS=${myifs}
    if [ $# -lt 2 -o $# -gt 3 ]; then
        echo "Error: bad dependency syntax in ${dp_DEPTYPE}" >&2
        echo "expecting: pattern:origin[@flavour][:target]" >&2
        echo "got: ${_line}" >&2
        err=1
        continue
    fi
    pattern=$1
    origin=$2
    last=${3:-}

    if [ -z "${pattern}" ]; then
        echo "Error: there is an empty port dependency in ${dp_DEPTYPE}" >&2
        err=1
        continue
    fi

    if [ -z "${origin}" ]; then
        echo "Error: a dependency has an empty origin in ${dp_DEPTYPE}" >&2
        err=1
        continue
    fi

    case "${origin}" in
    /*) ;;
    *) origin="${PORTSDIR}/${origin}" ;;
    esac
    case "${origin}" in
    *@*/*) ;; # Ignore @ in the path which would not be a flavor
    *@*)
        export FLAVOR="${origin##*@}"
        origin=${origin%@*}
        ;;
    esac

    depends_args="${dp_DEPENDS_ARGS}"
    target=${dp_DEPENDS_TARGET}
    if [ -n "${last}" ]; then
        target=${last}
        if [ -n "${dp_DEPENDS_PRECLEAN}" ]; then
            target="clean ${target}"
            depends_args="${depends_args:+${depends_args} }NOCLEANDEPENDS=yes"
        fi
        if [ -n "${dp_DEPENDS_CLEAN}" ]; then
            target="${target} clean"
            depends_args="${depends_args:+${depends_args} }NOCLEANDEPENDS=yes"
        fi
    fi

    case ${dp_DEPTYPE} in
      LIB_DEPENDS)
        case ${pattern} in
          lib*.so*)      fct=find_lib ;;
          *)
        echo "Error: pattern ${pattern} in LIB_DEPENDS is not valid"
        err=1
        continue
        ;;
        esac ;;
      *)
        case ${pattern} in
          *\>*|*\<*|*=*) fct=find_package ;;
          /nonexistent)  fct=false ;;
          /*)            fct=find_file ;;
          *)             fct=find_file_path ;;
        esac ;;
    esac
    if ${fct} "${pattern}" ; then
        continue
    fi
    [ ${pattern} = "/nonexistent" ] || anynotfound=1

    if [ ! -f "${origin}/Makefile" ]; then
        echo "Error a dependency refers to a non existing origin: ${origin} in ${dp_DEPTYPE}" >&2
        err=1
        continue
    fi

    # Now actually install the dependencies
    install_depends "${origin}" "${target}" "${depends_args}"
    # Recheck if the installed dependency validates the pattern except for /nonexistent
    [ "${fct}" = "false" ] || ${fct} "${pattern}"
    echo "===>   Returning to build of ${dp_PKGNAME}"
done

if [ $err -eq 1 ]; then
    echo "Errors with dependencies."
    exit 1
fi

if [ -n "${dp_STRICT_DEPENDS}" -a ${anynotfound} -eq 1 ]; then \
    echo "===>   dp_STRICT_DEPENDS set - Not installing missing dependencies."
    echo "       This means a dependency is wrong since it was not satisfied in the ${dp_DEPTYPE} phase."
    exit 1
fi