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Refactor __lxc_check_name_present().

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Print name of container found, if any.

Signed-off-by: Edênis Freindorfer Azevedo <edenisfa@gmail.com>
This commit is contained in:
Edênis Freindorfer Azevedo 2021-09-07 10:19:46 -03:00
parent c227466673
commit b3dcb19407
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GPG Key ID: F7F1907D677FB8C9
1 changed files with 18 additions and 31 deletions
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49
config/bash/lxc.in
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@ -38,20 +38,31 @@ __lxc_names() {
__lxc_check_name_present() {
mapfile -t names < <(command lxc-ls -1)
local -r shortoptnamexp="^-[0-9A-Za-mo-z]*n[0-9A-Za-mo-z]*$"
local container
local param
local parsed
# Current word on command line, minus double/single quote and backslash.
local -r current="${cur//[\\\"\']}"
mapfile -t names < <(command lxc-ls -1)
# If `--name` or `-n` are present, do not complete with container names.
for param in "${words[@]}"; do
# If `--name` or `-n` are present, then a container name should be available.
for i in "${!words[@]}"; do
param="${words[${i}]}"
# Parse names from command line when space is escaped by backslash.
parsed="${param//[\\\"\']}"
if [[ ${parsed} =~ ^--name(=(.*))?$ ]]; then
if [[ -n "${BASH_REMATCH[2]}" ]]; then
container="${BASH_REMATCH[2]}"
else
container="${words[${i}+1]}"
fi
command printf "%q" "${container}"
return 0
elif [[ ${parsed} =~ ${shortoptnamexp} ]]; then
command printf "%q" "${words[${i}+1]}"
return 0
fi
for name in "${names[@]}"; do
if [[ "${parsed}" == "${name}" ]] && [[ "${current}" != "${parsed}" ]]; then
command printf "%q" "${name}"
return 0
fi
done
@ -60,39 +71,15 @@ __lxc_check_name_present() {
}
__lxc_append_name() {
if ! __lxc_check_name_present; then
local -r name=$(__lxc_check_name_present)
if [[ -z "${name}" ]]; then
__lxc_names
fi
}
__lxc_get_snapshots() {
mapfile -t names < <(command lxc-ls -1)
local -r shortoptnamexp="^-[0-9A-Za-mo-z]*n[0-9A-Za-mo-z]*$"
local container
local param
for i in "${!words[@]}"; do
param="${words[${i}]}"
parsed="${param//[\\\"\']}"
if [[ ${param} =~ ^--name(=(.*))?$ ]]; then
if [[ -n "${BASH_REMATCH[2]}" ]]; then
container="${BASH_REMATCH[2]}"
else
container="${words[${i}+1]}"
fi
break
elif [[ ${param} =~ ${shortoptnamexp} ]]; then
container="${words[${i}+1]}"
break
fi
for name in "${names[@]}"; do
if [[ "${parsed}" == "${name}" ]]; then
container="${name}"
break
fi
done
[[ -n "${container}" ]] && break
done
container="${container//[\\\"\']}"
local -r container=$(__lxc_check_name_present)
[[ -z "${container}" ]] && return
mapfile -t snaps < <(command lxc-snapshot --name="${container}" --list)
local -r nosnapxp="^No snapshots$"
if [[ ! "${snaps[*]}" =~ ${nosnapxp} ]]; then