There's a bug in the gentoo bash completion module. This is completed OK: emerge --resume However, this is not: emerge -a --resume That is, if "--resume" comes after "-a" (or another option, like "-p"), then it's not getting completed. $ emerge --info app-shells/gentoo-bashcomp Portage 2.2.8-r1 (default/linux/amd64/13.0/desktop/kde, gcc-4.8.2, glibc-2.17, 3.10.32-gentoo x86_64) ================================================================= System Settings ================================================================= System uname: Linux-3.10.32-gentoo-x86_64-Intel-R-_Core-TM-_i5-2500K_CPU_@_3.30GHz-with-gentoo-2.2 KiB Mem: 16386992 total, 13812576 free KiB Swap: 25166844 total, 25166844 free Timestamp of tree: Fri, 07 Mar 2014 11:15:01 +0000 ld GNU ld (GNU Binutils) 2.24 app-shells/bash: 4.2_p45-r1 dev-java/java-config: 2.2.0 dev-lang/python: 2.7.6, 3.3.4 dev-util/cmake: 2.8.12.2 dev-util/pkgconfig: 0.28 sys-apps/baselayout: 2.2 sys-apps/openrc: 0.12.4 sys-apps/sandbox: 2.6-r1 sys-devel/autoconf: 2.13, 2.69 sys-devel/automake: 1.11.6, 1.13.4 sys-devel/binutils: 2.24-r2 sys-devel/gcc: 4.6.4, 4.7.3-r1, 4.8.2 sys-devel/gcc-config: 1.8 sys-devel/libtool: 2.4.2 sys-devel/make: 4.0-r1 sys-kernel/linux-headers: 3.10 (virtual/os-headers) sys-libs/glibc: 2.17 Repositories: gentoo interactive-fiction steam-overlay Local ACCEPT_KEYWORDS="amd64 ~amd64" ACCEPT_LICENSE="*" CBUILD="x86_64-pc-linux-gnu" CFLAGS="-pipe -mtune=native -march=native -O2 -fomit-frame-pointer -floop-interchange -floop-strip-mine -floop-block" CHOST="x86_64-pc-linux-gnu" CONFIG_PROTECT="/etc /usr/share/config /usr/share/gnupg/qualified.txt /usr/share/themes/oxygen-gtk/gtk-2.0 /usr/share/themes/oxygen-gtk/gtk-3.0" CONFIG_PROTECT_MASK="/etc/ca-certificates.conf /etc/env.d /etc/fonts/fonts.conf /etc/gconf /etc/gentoo-release /etc/revdep-rebuild /etc/sandbox.d /etc/terminfo /etc/texmf/language.dat.d /etc/texmf/language.def.d /etc/texmf/updmap.d /etc/texmf/web2c" CXXFLAGS="-pipe -mtune=native -march=native -O2 -fomit-frame-pointer -floop-interchange -floop-strip-mine -floop-block" DISTDIR="/mnt/Data/portage/distfiles" EMERGE_DEFAULT_OPTS="--quiet-build=n" FCFLAGS="-O2 -pipe" FEATURES="assume-digests binpkg-logs config-protect-if-modified distlocks ebuild-locks fixlafiles merge-sync metadata-transfer news parallel-fetch preserve-libs protect-owned sandbox sfperms strict unknown-features-warn unmerge-logs unmerge-orphans userfetch userpriv usersandbox usersync" FFLAGS="-O2 -pipe" GENTOO_MIRRORS="http://ftp.ntua.gr/pub/linux/gentoo http://mirror.ovh.net/gentoo-distfiles http://distfiles.gentoo.org" LANG="en_US.UTF-8" LDFLAGS="-Wl,--as-needed -Wl,-O1 -Wl,--hash-style=gnu -Wl,--sort-common" MAKEOPTS="-j4" PKGDIR="/mnt/Data/portage/packages" PORTAGE_CONFIGROOT="/" PORTAGE_RSYNC_OPTS="--recursive --links --safe-links --perms --times --omit-dir-times --compress --force --whole-file --delete --stats --human-readable --timeout=180 --exclude=/distfiles --exclude=/local --exclude=/packages" PORTAGE_TMPDIR="/var/tmp" PORTDIR="/usr/portage" PORTDIR_OVERLAY="/var/lib/layman/interactive-fiction /var/lib/layman/steam /usr/local/portage" SYNC="rsync://rsync.europe.gentoo.org/gentoo-portage" USE="X a52 aac acl acpi aes-ni alsa amd64 audiofile avx bash-completion branding bzip2 cairo cdr cli consolekit cracklib crypt cxx dbus declarative dri dts dvd dvdr emboss encode exif fam fbcondecor flac gdbm gif gpm gtk iconv ipv6 jpeg kde kipi lcdfilter lcms libnotify libsamplerate lm_sensors mad mmx mmxext mng modules mp3 mp4 mpeg multilib ncurses nptl nvidia offensive ogg opengl openmp pango pcre pdf pgo phonon plasma png policykit ppds pulseaudio qt4 readline semantic-desktop session spell sse sse2 sse3 sse4 sse4_1 ssl ssse3 startup-notification svg tcpd tiff truetype udev udisks unicode upower usb vdpau vorbis wxwidgets x264 xcb xcomposite xml xv xvid xvmc zlib" ABI_X86="32 64" ALSA_CARDS="ali5451 als4000 atiixp atiixp-modem bt87x ca0106 cmipci emu10k1x ens1370 ens1371 es1938 es1968 fm801 hda-intel intel8x0 intel8x0m maestro3 trident usb-audio via82xx via82xx-modem ymfpci" APACHE2_MODULES="authn_core authz_core socache_shmcb unixd actions alias auth_basic authn_alias authn_anon authn_dbm authn_default authn_file authz_dbm authz_default authz_groupfile authz_host authz_owner authz_user autoindex cache cgi cgid dav dav_fs dav_lock deflate dir disk_cache env expires ext_filter file_cache filter headers include info log_config logio mem_cache mime mime_magic negotiation rewrite setenvif speling status unique_id userdir usertrack vhost_alias" CALLIGRA_FEATURES="kexi words flow plan sheets stage tables krita karbon braindump author" CAMERAS="ptp2" COLLECTD_PLUGINS="df interface irq load memory rrdtool swap syslog" DRACUT_MODULES="plymouth" ELIBC="glibc" GPSD_PROTOCOLS="ashtech aivdm earthmate evermore fv18 garmin garmintxt gpsclock itrax mtk3301 nmea ntrip navcom oceanserver oldstyle oncore rtcm104v2 rtcm104v3 sirf superstar2 timing tsip tripmate tnt ublox ubx" INPUT_DEVICES="evdev" KERNEL="linux" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text" LIBREOFFICE_EXTENSIONS="presenter-console presenter-minimizer" LINGUAS="en en_US" OFFICE_IMPLEMENTATION="libreoffice" PHP_TARGETS="php5-5" PYTHON_SINGLE_TARGET="python2_7" PYTHON_TARGETS="python2_7 python3_3" RUBY_TARGETS="ruby19 ruby18" SANE_BACKENDS="nothing" USERLAND="GNU" VIDEO_CARDS="nvidia" XTABLES_ADDONS="quota2 psd pknock lscan length2 ipv4options ipset ipp2p iface geoip fuzzy condition tee tarpit sysrq steal rawnat logmark ipmark dhcpmac delude chaos account" Unset: CPPFLAGS, CTARGET, INSTALL_MASK, LC_ALL, PORTAGE_BUNZIP2_COMMAND, PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS, USE_PYTHON ================================================================= Package Settings ================================================================= app-shells/gentoo-bashcomp-20121024 was built with the following: USE="(multilib) (policykit)" ABI_X86="64"