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#compdef unshare
local ign
(( $#words > 2 )) && ign='!'
# a different unshare exists on some systems
if [[ $OSTYPE != linux* ]]; then
_default
return
fi
_arguments -S -s \
'(-m --mount)'{-m-,--mount=-}'[enter mount namespace]::file:_files' \
'(-u --uts)'{-u-,--uts=-}'[enter UTS namespace (hostname etc)]::file:_files' \
'(-i --ipc)'{-i-,--ipc=-}'[enter System V IPC namespace]::file:_files' \
'(-n --net)'{-n-,--net=-}'[enter network namespace]::file:_files' \
'(-p --pid)'{-p-,--pid=-}'[enter pid namespace]::file:_files' \
'(-U --user)'{-U-,--user=-}'[enter user namespace]::file:_files' \
'(-C --cgroup)'{-C-,--cgroup=-}'[enter cgroup namespace]::file:_files' \
'(-T --time)'{-T-,--time=-}'[enter time namespace]::file:_files' \
'(-f --fork)'{-f,--fork}"[fork before launching]" \
'(-r --map-root-user)--map-user=[map current user to uid (implies --user)]:user:_users' \
'--map-group=[map current group to gid (implies --user)]:group:_groups' \
'(-r --map-root-user -c --map-current-user --map-user)'{-r,--map-root-user}'[map current user to root (implies --user)]' \
'(-c --map-current-user)'{-c,--map-current-user}'[map current user to itself (implies --user)]' \
'(-f --fork)--kill-child=-[when dying, kill the forked child (implies --fork)]::signal [KILL]:_signals' \
'--mount-proc=-[mount proc filesystem first (implies --mount)]::mount point [/proc]:_directories' \
'--propagation=[modify mount propagation in mount namespace]:propagation flag:(slave shared private unchanged)' \
'--setgroups=[control the setgroups syscall in user namespaces]:grant setgroups:(allow deny)' \
'--keep-caps[retain capabilities granted in user namespaces]' \
'(-R --root)'{-R+,--root=}'[set the root directory]:directory:_directories' \
'(-w --wd)'{-w+,--wd=}'[set the working directory]:directory:_directories' \
'(-S --setuid)'{-S+,--setuid=}'[set uid in entered namespace]:uid [0]' \
'(-G --setgid)'{-G+,--setgid=}'[set gid in entered namespace]:gid [0]' \
'--monotonic=[set clock monotonic offset in time namespaces]:offset (seconds)' \
'--boottime=[set clock boottime offset in time namespaces]:offset (seconds)' \
"${ign}(- 1 *)"{-h,--help}'[display usage information]' \
"${ign}(- 1 *)"{-V,--version}'[display version information]' \
'1: : _command_names -e' \
'*::args :_normal'
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