* Package:    net-im/viber-7.0.0.1035-r1
 * Repository: calculate
 * USE:        abi_x86_32 apulse elibc_glibc kernel_linux userland_GNU x86
 * FEATURES:   network-sandbox preserve-libs sandbox usersandbox
>>> Unpacking source...
 * ERROR: net-im/viber-7.0.0.1035-r1::calculate failed (unpack phase):
 *   Usage: unpack_deb <file>
 * 
 * Call stack:
 *     ebuild.sh, line  124:  Called src_unpack
 *   environment, line 2077:  Called unpack_deb
 *   environment, line 2773:  Called die
 * The specific snippet of code:
 *       [[ $# -eq 1 ]] || die "Usage: ${FUNCNAME} <file>";
 * 
 * If you need support, post the output of `emerge --info '=net-im/viber-7.0.0.1035-r1::calculate'`,
 * the complete build log and the output of `emerge -pqv '=net-im/viber-7.0.0.1035-r1::calculate'`.
 * The complete build log is located at '/var/calculate/tmp/portage/net-im/viber-7.0.0.1035-r1/temp/build.log'.
 * The ebuild environment file is located at '/var/calculate/tmp/portage/net-im/viber-7.0.0.1035-r1/temp/environment'.
 * Working directory: '/var/calculate/tmp/portage/net-im/viber-7.0.0.1035-r1/work'
 * S: '/var/calculate/tmp/portage/net-im/viber-7.0.0.1035-r1/work'