epm play chromium-codecs-ffmpeg-extra: implement via epm pack

pack.d/chromium-codecs-ffmpeg-extra.sh

+#!/bin/sh -x
+
+FFMPEGDEB="$1"
+RETURNTARNAME="$2"
+
+. $(dirname $0)/common.sh
+
+[ -s "$FFMPEGDEB" ] || fatal "$FFMPEGDEB is missed"
+
+CURDIR=$(pwd)
+
+# TODO: set via args?
+PRODUCTDIR=/opt/chromium-browser
+PKGNAME=chromium-codecs-ffmpeg-extra
+BASEPKGNAME="chromium"
+
+# used in update-ffmpeg
+epm install --skip-installed tar binutils || exit
+
+# install ffmpeg extra codecs
+pack_ffmpeg() {
+  SOURCE="usr/lib/chromium-browser/libffmpeg.so"
+  DEST="$PRODUCTDIR"
+  mkdir -p .$DEST
+  cp $SOURCE .$DEST/libffmpeg.so
+  CNAME="$CURDIR/$(echo "$(basename $FFMPEGDEB)" | sed -e "s|chromium|$BASEPKGNAME|" -e "s|-0ubuntu.*|-1.tar|" )" #"
+  a='' tar cf $CNAME .$(dirname $DEST)
+  return_tar $CNAME
+  exit
+}
+
+DDIR=$(mktemp -d)
+trap "rm -fr $DDIR" EXIT
+cd $DDIR || fatal
+# direct unpack deb
+a='' ar -x $FFMPEGDEB
+a='' tar xf "data.tar.xz"
+pack_ffmpeg

play.d/chromium-codecs-ffmpeg-extra.sh

 #!/bin/sh
 
-BRANCH=stable
-PRODUCTDIR=/opt/chromium-browser
 DESCRIPTION=''
 
-BASEPKGNAME=chromium
-PKGNAME=chromium-$BRANCH-codecs-ffmpeg-extra
+PKGNAME=chromium-codecs-ffmpeg-extra
 SUPPORTEDARCHES="x86_64"
+BASEPKGNAME=chromium
+
+. $(dirname $0)/common.sh
 
 # copied from /opt/vivaldi/update-ffmpeg
 FFMPEG_VERSION_DEB=103.0.5060.134-0ubuntu0.18.04.1 # Internal FFMpeg version = 107578
 FFMPEG_URL_DEB=https://launchpadlibrarian.net/613925272/chromium-codecs-ffmpeg-extra_${FFMPEG_VERSION_DEB}_amd64.deb
 
-. $(dirname $0)/common.sh
-
-epm install --skip-installed tar binutils || exit
-epm assure awk gawk || exit
-
-# install ffmpeg extra codecs
-pack_ffmpeg() {
-  SOURCE="usr/lib/chromium-browser/libffmpeg.so"
-  DEST="$PRODUCTDIR"
-  mkdir -p .$DEST
-  cp $SOURCE .$DEST/libffmpeg.so
-  CNAME="$(echo "$(basename $FFMPEG_URL_DEB)" | sed -e "s|chromium|$BASEPKGNAME|" -e "s|-0ubuntu.*|-1.tar|")" #"
-  a='' tar cf $CNAME .$(dirname $DEST)
-  epm --repack install $CNAME
-}
-
-DDIR=$(mktemp -d)
-trap "rm -fr $DDIR" EXIT
-cd $DDIR || fatal
-epm tool eget $FFMPEG_URL_DEB || fatal
-a='' ar -x *.deb
-a='' tar xf "data.tar.xz"
-pack_ffmpeg
+epm pack --install chromium-codecs-ffmpeg-extra $FFMPEG_URL_DEB