systemd/shell-completion/bash/systemd-repart

# shellcheck shell=bash
# systemd-repart(8) completion                      -*- shell-script -*-
# SPDX-License-Identifier: LGPL-2.1-or-later
#
# This file is part of systemd.
#
# systemd is free software; you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation; either version 2.1 of the License, or
# (at your option) any later version.
#
# systemd is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with systemd; If not, see <https://www.gnu.org/licenses/>.

__contains_word() {
    local w word=$1; shift
    for w in "$@"; do
        [[ $w = "$word" ]] && return
    done
}

__get_partition_types() {
    echo 'root usr home srv esp xbootldr swap tmp var linux-generic
          root-verity usr-verity root-verity-sig usr-verity-sig'
}

_systemd_repart() {
    local comps
    local cur=${COMP_WORDS[COMP_CWORD]} prev=${COMP_WORDS[COMP_CWORD-1]}
    local -A OPTS=(
        [STANDALONE]='-h --help --version --no-pager --no-legend -n --can-factory-reset --list-devices
                      -S -C -P'
        [ARG]='--dry-run --empty --offline --discard --cow --sector-size --grain-size --architecture
               --size --seed --split --pretty --json --factory-reset --root --image --image-policy
               --definitions --private-key --private-key-source --certificate --certificate-source
               --join-signature --key-file --tpm2-device --tpm2-device-key --tpm2-seal-key-handle
               --tpm2-pcrs --tpm2-public-key --tpm2-public-key-policyref --tpm2-public-key-pcrs
               --tpm2-pcrlock --include-partitions --exclude-partitions --defer-partitions
               --defer-partitions-empty --defer-partitions-factory-reset -s --copy-source --copy-from
               --make-ddi --append-fstab --generate-fstab --generate-crypttab --el-torito
               --el-torito-system --el-torito-volume --el-torito-publisher --manifest --manifest-gpt
               --manifest-fields --manifest-private-key --manifest-private-key-source
               --manifest-certificate --manifest-certificate-source'
    )

    _init_completion || return

    if __contains_word "$prev" ${OPTS[ARG]}; then
        case $prev in
            --dry-run|--offline|--discard|--split|--pretty|--factory-reset|--defer-partitions-empty|\
            --defer-partitions-factory-reset|--el-torito|--manifest|--manifest-gpt)
                comps='yes no'
                ;;
            --cow)
                comps='yes no auto'
                ;;
            --empty)
                comps='refuse allow require force create'
                ;;
            --json)
                comps='pretty short off'
                ;;
            --architecture)
                comps=$(systemd-analyze --quiet --no-pager --no-legend architectures 2>/dev/null |
                            { while read -r a b; do echo " $a"; done; })
                ;;
            --root|--definitions|-s|--copy-source)
                comps=$(compgen -A directory -- "$cur")
                compopt -o filenames
                ;;
            --image|--private-key|--certificate|--key-file|--tpm2-device-key|--tpm2-public-key|\
            --tpm2-pcrlock|--copy-from|--generate-fstab|--generate-crypttab|--manifest-private-key|\
            --manifest-certificate|--join-signature)
                comps=$(compgen -A file -- "$cur")
                compopt -o filenames
                ;;
            --private-key-source|--manifest-private-key-source)
                comps='file provider: engine:'
                compopt -o nospace
                ;;
            --certificate-source|--manifest-certificate-source)
                comps='file provider:'
                compopt -o nospace
                ;;
            --tpm2-device)
                comps="auto list $(compgen -G '/dev/tpmrm*')"
                ;;
            --include-partitions|--exclude-partitions|--defer-partitions)
                comps=$(__get_partition_types)
                ;;
            --make-ddi)
                comps='sysext confext portable'
                ;;
            --append-fstab)
                comps='no auto replace'
                ;;
            --manifest-fields)
                local f
                comps=''
                for f in mode uid gid size hash symlink device hardlink mtime user-xattr user-name group-name; do
                    comps+=" $f +$f -$f"
                done
                comps+=' all default none'
                ;;
            *)
                comps=''
                ;;
        esac
        COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
        return 0
    fi

    if [[ "$cur" = -* ]]; then
        COMPREPLY=( $(compgen -W '${OPTS[*]}' -- "$cur") )
        return 0
    fi

    # The device node or image file to operate on
    comps=$(compgen -A file -- "$cur")
    compopt -o filenames

    COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
    return 0
}

complete -F _systemd_repart systemd-repart