Re: [gentoo-dev] eclass/vdr-plugin-2.eclass EAPI=6 changes, plz review

[Joerg Bornkessel]

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Am 17.05.2016 um 08:17 schrieb Michał Górny:

> However, a few general suggestions:
>
> 1. Split this into multiple commits. Generic cleanup should happen
> separately from EAPI 6 support. And it would probably be a good
> idea to remove features one at a time, so that reverting would be
> possible.

its my plan, step by step
>
> 2. Prefer logic that evaluates to true for future EAPIs. For
> example, instead of [[ ${EAPI} == 6 ]], it's better to say !=
> [012345], so that we won't have to extend the list with every new
> EAPI if nothing changes.

done
>
> 3. Please namespace the eclass functions. Using generic names is
> really asking for trouble. vdr_ prefix should be sufficient.

ToDo
>
> 4. Please kill that src_util helper. It makes the logic terribly
> hard to follow, and there's really no reason to use case over
> separate functions.

yepp, this takes my also a lot of headattack by the rewrite from
vdr-plugin to vdr-plugin-2 eclass

ToDo...
>
> 5. There are some missing || die, for example after cd.

done

<snipp 2nd review>
- --- vdr-plugin-2.eclass 2016-05-22 22:27:12.081956660 +0200
+++ vdr-plugin-2.eclass.new 2016-05-22 23:10:11.908404939 +0200
@@ -1,4 +1,4 @@
- -# Copyright 1999-2015 Gentoo Foundation
+# Copyright 1999-2016 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 # $Id$

@@ -90,7 +90,7 @@
 # @CODE

 # Applying your own local/user patches:
- -# This is done by using the
+# This is done by using the
 # (EAPI = 4,5) epatch_user() function of the eutils.eclass,
 # (EAPI = 6) eapply_user function integrated in EAPI = 6.
 # Simply add your patches into one of these directories:
@@ -104,10 +104,7 @@
 inherit flag-o-matic toolchain-funcs unpacker

 case ${EAPI:-0} in
- -   4|5)
- -   ;;
- -   6)
- -   ewarn "EAPI 6 support for test purpose only, plz report bugs to
vdr@g.o"
+   4|5|6)
    ;;
    *) die "EAPI ${EAPI} unsupported."
    ;;
@@ -145,6 +142,7 @@
 #   Called from src_install
 #   file maintained by normal portage-methods
 create_plugindb_file() {
+   #ToDo: rename this to vdr_...
    local NEW_VDRPLUGINDB_DIR=/usr/share/vdr/vdrplugin-rebuild/
    local DB_FILE="${NEW_VDRPLUGINDB_DIR}/${CATEGORY}-${PF}"
    insinto "${NEW_VDRPLUGINDB_DIR}"
@@ -156,6 +154,7 @@
 #      EBUILD=${CATEGORY}/${PN}
 #      EBUILD_V=${PVR}
 #  EOT
+#  obsolet? fix me later...
    {
        echo "VDRPLUGIN_DB=1"
        echo "CREATOR=ECLASS"
@@ -166,6 +165,7 @@
 }

 create_header_checksum_file() {
+   #ToDo: rename this to vdr_...
    # Danger: Not using $ROOT here, as compile will also not use it !!!
    # If vdr in $ROOT and / differ, plugins will not run anyway

@@ -232,6 +232,7 @@
    #sed -i Makefile \
    #   -e "s:^DVBDIR.*$:DVBDIR = ${DVB_INCLUDE_DIR}:" \
    #   -e 's:-I$(DVBDIR)/include:-I$(DVBDIR):'
+   # obsolet? fix me later...
    if ! grep -q APIVERSION Makefile; then
        ebegin "  Converting to APIVERSION"
@@ -260,6 +261,7 @@
 }

 dev_check() {
+   # ToDo: rename this to vdr_...; IMPORTANT: check availabel
plugins, if we use this function in the tree...
    # A lot useful debug infos
    # set VDR_MAINTAINER_MODE="1" in make.conf
    if [[ -n ${VDR_MAINTAINER_MODE} ]]; then
@@ -268,6 +270,7 @@
 }

 gettext_missing() {
+   #ToDo: remane this to vdr_...
    # plugins without converting to gettext

    local GETTEXT_MISSING=$( grep xgettext Makefile )
@@ -277,6 +280,7 @@
 }

 detect_po_dir() {
+   # ToDo: remane this to vdr_...
    # helper function

    [[ -f po ]] && local po_dir="${S}"
@@ -287,9 +291,10 @@
 }

 linguas_support() {
+   # ToDo: remane this to vdr_...
 #  Patching Makefile for linguas support.
 #  Only locales, enabled through the LINGUAS (make.conf) variable will
be
- -#  "compiled" and installed.
+#  compiled and installed.

    einfo "Patching for Linguas support"
    einfo "available Languages for ${P} are:"
@@ -311,12 +316,9 @@
 vdr_i18n() {
 #  i18n handling was deprecated since >=media-video/vdr-1.5.9,
 #  finally with >=media-video/vdr-1.7.27 it has been dropped entirely
and some
- -#  plugins will fail to "compile" because they're still using the old
variant.
+#  plugins will fail to compile because they're still using the old
variant.
 #  Simply remove the i18n.o object from Makefile (OBJECT) and
 #  remove "static const tI18nPhrase*" from i18n.h.
- -#
- -#  Plugins that are still using the old method will be pmasked until
they're
- -#  fixed or in case of maintainer timeout they'll be masked for removal
.

    gettext_missing

@@ -348,6 +350,7 @@
 }

 remove_i18n_include() {
+   # ToDo: rename this to vdr_...; IMPORTANT!!! We use this in the tree
    # remove uneeded i18.n includes

    local f
@@ -391,6 +394,7 @@

    # Plugins need to be compiled with position independent code,
otherwise linking
    # VDR against it will fail
+   # depricated if fi, as we have only >=vdr-2 in the tree, fix me
later...
    if has_version ">=media-video/vdr-1.7.13"; then
        append-cxxflags -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE
- -D_LARGEFILE64_SOURCE
    fi
@@ -452,15 +456,15 @@
            unpacker_src_unpack
            ;;
        add_local_patch)
- -           cd "${S}" || die "Could not change to
plugin-source-directory!"
- -           if [[ ${EAPI} == 6 ]]; then
+           cd "${S}" || die "Could not change to
plugin-source-directory (src_util)"
+           if [[ ${EAPI} != [45] ]]; then
                eapply_user
            else
                epatch_user
            fi
            ;;
        patchmakefile)
- -           cd "${S}" || die "Could not change to
plugin-source-directory!"
+           cd "${S}" || die "Could not change to
plugin-source-directory (src_util)"
            vdr_patchmakefile
            ;;
        i18n)
@@ -500,7 +504,9 @@
        die "vdr-plugin-2_src_prepare not called!"
        die "vdr-plugin-2_src_prepare not called!"
    fi

- -   [[ ${PATCHES[@]} ]] && epatch "${PATCHES[@]}"
+   [[ ${EAPI} == [45] ]] && [[ ${PATCHES[@]} ]] && epatch "${PATCHES[@]
}"
+   [[ ${EAPI} != [45] ]] && [[ ${PATCHES[@]} ]] && eapply "${PATCHES[@]
}"
+
    debug-print "$FUNCNAME: applying user patches"

    vdr-plugin-2_src_util prepare
@@ -520,16 +526,14 @@
                eerror "Please report this at bugs.gentoo.org."
                die "vdr-plugin-2_src_compile not called!"
            fi
- -           cd "${S}"
+           cd "${S}" || die "could not change to plugin source
directory (src_compile)"

- -           BUILD_TARGETS=${BUILD_TARGETS:-${VDRPLUGIN_MAKE_TARGET:-all
}}
- -               emake ${BUILD_PARAMS} \
- -                   ${BUILD_TARGETS} \
- -                   LOCALEDIR="${TMP_LOCALE_DIR}" \
- -                   LOCDIR="${TMP_LOCALE_DIR}" \
- -                   LIBDIR="${S}" \
- -                   TMPDIR="${T}" \
- -                   || die "emake failed"
+           emake all ${BUILD_PARAMS} \
+               LOCALEDIR="${TMP_LOCALE_DIR}" \
+               LOCDIR="${TMP_LOCALE_DIR}" \
+               LIBDIR="${S}" \
+               TMPDIR="${T}" \
+               || die "emake all failed"
            ;;
        esac

@@ -546,7 +550,7 @@
        die "vdr-plugin-2_src_install not called!"
    fi

- -   cd "${WORKDIR}"
+   cd "${WORKDIR}" || die "could not change to plugin workdir
directory (src_install)"

    if [[ -n ${VDR_MAINTAINER_MODE} ]]; then
        local mname="${P}-Makefile"
@@ -566,16 +570,15 @@

    fi

- -   cd "${S}"
+   cd "${S}" || die "could not change to plugin source directory
(src_install)"

    local SOFILE_STRING=$(grep SOFILE Makefile)
    if [[ -n ${SOFILE_STRING} ]]; then
- -       BUILD_TARGETS=${BUILD_TARGETS:-${VDRPLUGIN_MAKE_TARGET:-install
}}
- -       einstall ${BUILD_PARAMS} \
- -           ${BUILD_TARGETS} \
- -           TMPDIR="${T}" \
- -           DESTDIR="${D}" \
- -           || die "einstall (makefile target) failed"
+       emake install \
+       ${BUILD_PARAMS} \
+       TMPDIR="${T}" \
+       DESTDIR="${D}" \
+       || die "emake install (makefile target) failed"
    else
        dev_check "Plugin use still the old Makefile handling"
        insinto "${VDR_PLUGIN_DIR}"
@@ -584,7 +587,7 @@

    if [[ -d ${TMP_LOCALE_DIR} ]]; then
        einfo "Installing locales"
- -       cd "${TMP_LOCALE_DIR}"
+       cd "${TMP_LOCALE_DIR}" || die "could not change to TMP_LOCALE_DI
R"

        local linguas
        for linguas in ${LINGUAS[*]}; do
@@ -593,7 +596,7 @@
        done
    fi

- -   cd "${D}/usr/$(get_libdir)/vdr/plugins"
+   cd "${D}/usr/$(get_libdir)/vdr/plugins" || die "could not change
to D/usr/libdir/vdr/plugins"

    # create list of all created plugin libs
    vdr_plugin_list=""
@@ -604,14 +607,19 @@
        vdr_plugin_list="${vdr_plugin_list} ${p_name}"
    done

- -   cd "${S}"
+   cd "${S}" || die "could not change to plugin source directory
(src_install)"

    create_header_checksum_file ${vdr_plugin_list}
    create_plugindb_file ${vdr_plugin_list}

- -   local docfile
- -   for docfile in README* HISTORY CHANGELOG; do
- -       [[ -f ${docfile} ]] && dodoc ${docfile}
+   local commondoc=( README* HISTORY CHANGELOG )
+   for docfile in "${commondoc[@]}"; do
+       if [[ ${EAPI} == "6" ]]; then
+           local DOCS="${DOCS} ${docfile}"
+           [[ -f ${docfile} ]] && einstalldocs "${DOCS[@]}"
+       else
+           [[ -f ${docfile} ]] && dodoc ${docfile}
+       fi
    done

    # if VDR_CONFD_FILE is empty and ${FILESDIR}/confd exists take it
</snapp>

Regards

/dev/joerg
- -- 
Joerg Bornkessel <hd_brummy@g.o>
GnuPG Key: 0x93EB5F4DAA5832A1
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