523 lines
10 KiB
Bash
523 lines
10 KiB
Bash
#!/bin/bash
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#
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# bash completion file for core oci-runtime-tool commands
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#
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# This script provides completion of:
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# - commands and their options
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# - filepaths
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#
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# To enable the completions either:
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# - place this file in /usr/share/bash-completion/completions
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# or
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# - copy this file to e.g. ~/.oci-runtime-tool-completion.sh and add the line
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# below to your .bashrc after bash completion features are loaded
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# . ~/.oci-runtime-tool-completion.sh
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#
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# Configuration:
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#
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# Note for developers:
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# Please arrange options sorted alphabetically by long name with the short
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# options immediately following their corresponding long form.
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# This order should be applied to lists, alternatives and code blocks.
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__oci-runtime-tool_previous_extglob_setting=$(shopt -p extglob)
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shopt -s extglob
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__oci-runtime-tool_pos_first_nonflag() {
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local argument_flags=$1
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local counter=$((${subcommand_pos:-${command_pos}} + 1))
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while [ $counter -le $cword ]; do
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if [ -n "$argument_flags" ] && eval "case '${words[$counter]}' in $argument_flags) true ;; *) false ;; esac"; then
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(( counter++ ))
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else
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case "${words[$counter]}" in
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-*)
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;;
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*)
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break
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;;
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esac
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fi
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(( counter++ ))
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done
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echo $counter
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}
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# Transforms a multiline list of strings into a single line string
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# with the words separated by "|".
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# This is used to prepare arguments to __oci-runtime-tool_pos_first_nonflag().
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__oci-runtime-tool_to_alternatives() {
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local parts=( $1 )
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local IFS='|'
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echo "${parts[*]}"
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}
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# Transforms a multiline list of options into an extglob pattern
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# suitable for use in case statements.
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__oci-runtime-tool_to_extglob() {
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local extglob=$( __oci-runtime-tool_to_alternatives "$1" )
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echo "@($extglob)"
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}
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# Subcommand processing.
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# Locates the first occurrence of any of the subcommands contained in the
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# first argument. In case of a match, calls the corresponding completion
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# function and returns 0.
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# If no match is found, 1 is returned. The calling function can then
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# continue processing its completion.
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#
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# TODO if the preceding command has options that accept arguments and an
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# argument is equal ot one of the subcommands, this is falsely detected as
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# a match.
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__oci-runtime-tool_subcommands() {
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local subcommands="$1"
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local counter=$(($command_pos + 1))
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while [ $counter -lt $cword ]; do
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case "${words[$counter]}" in
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$(__oci-runtime-tool_to_extglob "$subcommands") )
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subcommand_pos=$counter
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local subcommand=${words[$counter]}
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local completions_func=_oci-runtime-tool_${command}_${subcommand}
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declare -F $completions_func >/dev/null && $completions_func
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return 0
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;;
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esac
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(( counter++ ))
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done
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return 1
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}
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# List groups
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__oci-runtime-tool_groups() {
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cut -d: -f 1 /etc/group
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}
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# List installed hooks
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__oci-runtime-tool_hooks() {
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ls /usr/libexec/oci/hooks.d/*
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}
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# suppress trailing whitespace
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__oci-runtime-tool_nospace() {
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# compopt is not available in ancient bash versions
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type compopt &>/dev/null && compopt -o nospace
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}
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__oci-runtime-tool_complete_log_level() {
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COMPREPLY=( $( compgen -W "
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debug
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error
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fatal
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info
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panic
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warn
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" -- "$cur" ) )
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}
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__oci-runtime-tool_complete_propagations() {
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COMPREPLY=( $( compgen -W "
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private
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rprivate
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rshared
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rslave
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shared
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slave
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" -- "$cur" ) )
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}
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# a selection of the available arches that is most likely of interest in the
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# context of oci-runtime-tool containers.
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__oci-runtime-tool_complete_arches() {
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COMPREPLY=( $( compgen -W "
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386
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amd64
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arm
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arm64
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mips
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mips64
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mips64le
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mipsle
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ppc64
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ppc64le
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s390x
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" -- "$cur" ) )
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}
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# a selection of the available arches that is most likely of interest in the
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# context of oci-runtime-tool containers.
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__oci-runtime-tool_complete_seccomp_arches() {
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COMPREPLY=( $( compgen -W "
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x86
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amd64
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x32
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arm
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arm64
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mips
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mips64
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mips64n32
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mipsel
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mipsel64
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mipsel64n32
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ppc
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ppc64
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ppc64le
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s390
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s390x
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parisc
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parisc64
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" -- "$cur" ) )
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}
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# a selection of the available actions that is most likely of interest in the
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# context of oci-runtime-tool containers.
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__oci-runtime-tool_complete_seccomp_actions() {
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COMPREPLY=( $( compgen -W "
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SCMP_ACT_ALLOW
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SCMP_ACT_ERRNO
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SCMP_ACT_KILL
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SCMP_ACT_TRACE
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SCMP_ACT_TRAP
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" -- "$cur" ) )
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}
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__oci-runtime-tool_complete_capabilities() {
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# The list of capabilities is defined in types.go, ALL was added manually.
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COMPREPLY=( $( compgen -W "
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ALL
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AUDIT_CONTROL
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AUDIT_WRITE
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AUDIT_READ
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BLOCK_SUSPEND
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CHOWN
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DAC_OVERRIDE
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DAC_READ_SEARCH
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FOWNER
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FSETID
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IPC_LOCK
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IPC_OWNER
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KILL
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LEASE
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LINUX_IMMUTABLE
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MAC_ADMIN
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MAC_OVERRIDE
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MKNOD
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NET_ADMIN
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NET_BIND_SERVICE
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NET_BROADCAST
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NET_RAW
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SETFCAP
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SETGID
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SETPCAP
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SETUID
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SYS_ADMIN
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SYS_BOOT
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SYS_CHROOT
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SYSLOG
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SYS_MODULE
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SYS_NICE
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SYS_PACCT
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SYS_PTRACE
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SYS_RAWIO
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SYS_RESOURCE
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SYS_TIME
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SYS_TTY_CONFIG
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WAKE_ALARM
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" -- "$cur" ) )
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}
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# global options that may appear after the oci-runtime-tool command
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_oci-runtime-tool_oci-runtime-tool() {
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local options_with_args="
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--log-level
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"
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local boolean_options="
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--help -h
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--host-specific
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--version -v
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"
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local all_options="$options_with_args $boolean_options"
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case "$prev" in
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--log-level)
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__oci-runtime-tool_complete_log_level
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return
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;;
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esac
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case "$cur" in
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-*)
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COMPREPLY=( $( compgen -W "$all_options" -- "$cur" ) )
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;;
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*)
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local counter=$( __oci-runtime-tool_pos_first_nonflag $(__oci-runtime-tool_to_extglob "$options_with_args") )
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if [ $cword -eq $counter ]; then
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COMPREPLY=( $( compgen -W "${commands[*]} help" -- "$cur" ) )
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fi
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;;
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esac
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}
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_oci-runtime-tool_validate() {
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case "$prev" in
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--path)
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case "$cur" in
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*:*)
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# TODO somehow do _filedir for stuff inside the image, if it's already specified (which is also somewhat difficult to determine)
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;;
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'')
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COMPREPLY=( $( compgen -W '/' -- "$cur" ) )
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__oci-runtime-tool_nospace
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;;
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/*)
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_filedir
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__oci-runtime-tool_nospace
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;;
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esac
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return
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;;
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esac
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case "$cur" in
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-*)
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COMPREPLY=( $( compgen -W "--path --help -h" -- "$cur" ) )
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;;
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esac
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}
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_oci-runtime-tool_help() {
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local counter=$(__oci-runtime-tool_pos_first_nonflag)
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if [ $cword -eq $counter ]; then
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COMPREPLY=( $( compgen -W "${commands[*]}" -- "$cur" ) )
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fi
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}
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_oci-runtime-tool_generate() {
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local options_with_args="
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--apparmor
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--arch
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--args
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--bind
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--cap-add
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--cap-drop
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--cgroups-path
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--cwd
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--device-add
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--device-remove
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--env
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--env-file
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--gid
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--gidmappings
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--groups
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--hostname
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--label
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--linux-cpu-shares
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--linux-cpu-period
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--linux-cpu-quota
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--linux-cpus
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--linux-mem-kernel-limit
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--linux-mem-kernel-tcp
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--linux-mem-limit
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--linux-mem-reservation
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--linux-mem-swap
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--linux-mem-swappiness
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--linux-mems
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--linux-namespace-add
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--linux-namespace-remove
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--linux-network-classid
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--linux-network-priorities
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--linux-pids-limit
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--linux-realtime-period
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--linux-realtime-runtime
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--masked-paths
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--mount-cgroups
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--mount-label
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--oom-score-adj
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--os
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--output
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--poststart
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--poststop
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--prestart
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--readonly-paths
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--rootfs-path
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--rootfs-propagation
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--rlimits-add
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--rlimits-remove
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--seccomp-allow
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--seccomp-arch
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--seccomp-default
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--seccomp-default-force
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--seccomp-errno
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--seccomp-kill
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--seccomp-remove
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--seccomp-trace
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--seccomp-trap
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--selinux-label
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--sysctl
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--template
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--tmpfs
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--uid
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--uidmappings
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"
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local boolean_options="
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--cap-drop-all
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--device-remove-all
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--disable-oom-kill
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--help -h
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--linux-namespace-remove-all
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--no-new-privileges
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--privileged
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--rlimits-remove-all
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--rootfs-readonly
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--seccomp-only
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--seccomp-remove-all
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--tty
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"
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local all_options="$options_with_args $boolean_options"
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case "$prev" in
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--arch)
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__oci-runtime-tool_complete_arches
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return
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;;
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--cap-add|--cap-drop)
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__oci-runtime-tool_complete_capabilities
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return
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;;
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--env|-e)
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COMPREPLY=( $( compgen -e -- "$cur" ) )
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__oci-runtime-tool_nospace
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return
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;;
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--env-file)
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_filedir
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__oci-runtime-tool_nospace
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return
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;;
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--gid)
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_gids
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return
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;;
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--groups)
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COMPREPLY=( $( compgen -W "$( __oci-runtime-tool_groups )" -- "$cur" ) )
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__oci-runtime-tool_nospace
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return
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;;
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--mount-cgroups)
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COMPREPLY=( $( compgen -W "no ro rw" -- "$cur" ) )
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return
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;;
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--os)
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COMPREPLY=( $( compgen -W "linux windows" -- "$cur" ) )
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return
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;;
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--poststart|--poststop|--prestart)
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COMPREPLY=( $( compgen -W "$( __oci-runtime-tool_hooks )" -- "$cur" ) )
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__oci-runtime-tool_nospace
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return
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;;
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--root-propagation)
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__oci-runtime-tool_complete_propagations
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return
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;;
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--rootfs|--tmpfs|--bind|--cwd)
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case "$cur" in
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*:*)
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# TODO somehow do _filedir for stuff inside the image, if it's already specified (which is also somewhat difficult to determine)
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;;
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'')
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COMPREPLY=( $( compgen -W '/' -- "$cur" ) )
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__oci-runtime-tool_nospace
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;;
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*)
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_filedir
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__oci-runtime-tool_nospace
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;;
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esac
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return
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;;
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--seccomp-arch)
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__oci-runtime-tool_complete_seccomp_arches
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return
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;;
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--seccomp-default)
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__oci-runtime-tool_complete_seccomp_actions
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return
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;;
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--uid)
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_uids
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return
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;;
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esac
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case "$cur" in
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-*)
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COMPREPLY=( $( compgen -W "$all_options" -- "$cur" ) )
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;;
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esac
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}
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_oci-runtime-tool() {
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local previous_extglob_setting=$(shopt -p extglob)
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shopt -s extglob
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local commands=(
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validate
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generate
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)
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COMPREPLY=()
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local cur prev words cword
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_get_comp_words_by_ref -n : cur prev words cword
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local command='oci-runtime-tool' command_pos=0 subcommand_pos
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local counter=1
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while [ $counter -lt $cword ]; do
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case "${words[$counter]}" in
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-*)
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;;
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=)
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(( counter++ ))
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;;
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*)
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command="${words[$counter]}"
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command_pos=$counter
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break
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;;
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esac
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(( counter++ ))
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done
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local completions_func=_oci-runtime-tool_${command}
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declare -F $completions_func >/dev/null && $completions_func
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eval "$previous_extglob_setting"
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return 0
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}
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eval "$__oci-runtime-tool_previous_extglob_setting"
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unset __oci-runtime-tool_previous_extglob_setting
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complete -F _oci-runtime-tool oci-runtime-tool
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