0cbb001a1e
The current --wd=<dir> changes CWD to the path which is opened *before* nsenter calls setns(). It may be useful if you want to use in namespace something from your current namespace. In this case, the option --wd works like a "tunnel" between namespaces. For some other use-cases, this is useless and you want to be sure that CWD always points to the target namespace. For this purpose this patch implements --wdns <dir>. Example: Setup the namespaces: # unshare --mount # mount /dev/sdc /mnt/A # touch /mnt/A/fooooo # echo $$ 2425872 Enter the namespace from another session: # nsenter --all --target 2425872 --wd=/mnt/A ls -a . .. # nsenter --all --target 2425872 --wdns=/mnt/A ls -a . .. fooooo lost+found Fixes: https://github.com/util-linux/util-linux/issues/1500 Signed-off-by: Karel Zak <kzak@redhat.com>
65 lines
1.2 KiB
Text
65 lines
1.2 KiB
Text
_nsenter_module()
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{
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local cur prev OPTS
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COMPREPLY=()
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cur="${COMP_WORDS[COMP_CWORD]}"
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prev="${COMP_WORDS[COMP_CWORD-1]}"
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case $prev in
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'-S'|'--uid')
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COMPREPLY=( $(compgen -W "uid" -- $cur) )
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return 0
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;;
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'-G'|'--gid')
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COMPREPLY=( $(compgen -W "gid" -- $cur) )
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return 0
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;;
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'-t'|'--target')
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local PIDS
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PIDS=$(cd /proc && echo [0-9]*)
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COMPREPLY=( $(compgen -W "$PIDS" -- $cur) )
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return 0
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;;
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'-h'|'--help'|'-V'|'--version')
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return 0
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;;
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esac
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case $cur in
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'=')
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# FIXME: --root and --wd should use get only
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# directories as compgen output. If $cur is
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# overwrote the same way as below in case segment
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# for $prev the command-line will get mangled.
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cur=${cur#=}
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;;
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-*)
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OPTS="
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--all
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--target
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--mount=
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--uts=
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--ipc=
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--net=
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--pid=
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--cgroup=
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--user=
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--time=
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--setuid
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--setgid
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--preserve-credentials
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--root=
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--wd=
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--wdns=
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--no-fork
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--help
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--version
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"
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COMPREPLY=( $(compgen -W "${OPTS[*]}" -- $cur) )
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return 0
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;;
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esac
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local IFS=$'\n'
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compopt -o filenames
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COMPREPLY=( $(compgen -f -- $cur) )
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return 0
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}
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complete -F _nsenter_module nsenter
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