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|
{ stdenv
, coreutils
, writeScriptBin
, eject
, notifyUser ? "gkleen"
, showTitle ? true
, ffmpeg ? null
, gnused ? null
, wrapperDir ? "/run/wrappers/bin"
}:
assert showTitle -> ffmpeg != null && gnused != null && notifyUser != null;
writeScriptBin "recv-media" ''
#!${stdenv.shell}
pid=$?
notify=${if notifyUser == null then "false" else "true"}
notifyUser=${if notifyUser == null then "" else notifyUser}
PATH=${wrapperDir}:${eject}/bin:${coreutils}/bin${if showTitle then '':${ffmpeg}/bin:${gnused}/bin'' else ""}
exec 1> >(logger --id=$pid -t recv-media -p user.notice)
exec 2> >(logger --id=$pid -t recv-media -p user.error)
[[ -z "$1" || -z "$2" ]] && exit 2
dir=/var/media
group=$(stat -c '%G' $dir)
tmpFile="''${dir}"/.tmp/$(basename "$1")
target="''${dir}"/$(basename "$1")
if [[ -n "''${3}" ]]; then
target="''${dir}"/$(echo ''${3} | base64 -d)
fi
logger --id=$pid -t recv-media -p user.debug <<EOF
$(id)
$(stat ''${dir})
$(stat ''${1})
$(echo ''${2})
EOF
if [[ $(id -Gn) != *"$group"* ]]; then
printf "Groups are ‘%s’. Trying to switch primary group to ‘%s’..." $(id -Gn) $group
exec -- sg $group "$0 $*"
fi
(
if ! cp -lnv --preserve=all "$1" "''${target}"; then
mkdir -pv $(dirname "''${tmpFile}") || exit 1
ionice -c 3 -t cp -vn --preserve=all "$1" "''${tmpFile}" && mv -v "''${tmpFile}" "''${target}" || exit 1
fi
touch -c -m -t "$2" "''${target}" || exit 1
) || (
if $notify; then
printf "%s\n%s\n" $(basename "$1") "Failed to download" | notify-''${notifyUser} -a recv-media -u Critical
fi
)
if $notify; then
(
summary=${if showTitle then ''$(ffmpeg -i "''${target}" -f ffmetadata pipe:1 2>/dev/null | sed -r '/^\[CHAPTER\]$/q; /^title=/!d; s/^title=//')'' else ''""''}
[[ -z "''${summary}" ]] && summary=$(basename "$1")
printf "%s\n%s\n" "''${summary}" "" | notify-''${notifyUser} -a recv-media || true
) || true
fi
''
|
