Review shell scripts

Signed-off-by: Nikolaos Karaolidis <nick@karaolidis.com>
This commit is contained in:
2025-01-22 14:07:22 +00:00
parent 8f94687b2b
commit bcbda92c46
27 changed files with 273 additions and 259 deletions

View File

@@ -1,19 +1,19 @@
echo "Starting impermanence mount with source: ${source}, target: ${target}, path: ${path}."
echo "Starting impermanence mount with source: $source, target: $target, path: $path."
source_current="${source}"
target_current="${target}"
source_current="$source"
target_current="$target"
IFS='/' read -ra path_parts <<< "${path}"
IFS='/' read -ra path_parts <<< "$path"
unset "path_parts[-1]"
for part in "${path_parts[@]}"; do
source_current="${source_current}/${part}"
target_current="${target_current}/${part}"
source_current="$source_current/$part"
target_current="$target_current/$part"
if [[ ! -d "${source_current}" ]]; then
if [[ ! -d "$source_current" ]]; then
break
fi
read -r mode owner group <<< "$(stat -c '%a %u %g' "${source_current}")"
install -d -m "${mode}" -o "${owner}" -g "${group}" "${target_current}"
read -r mode owner group <<< "$(stat -c '%a %u %g' "$source_current")"
install -d -m "$mode" -o "$owner" -g "$group" "$target_current"
done

View File

@@ -1,38 +1,38 @@
echo "Stopping impermanence mount with source: ${source}, target: ${target}, path: ${path}."
echo "Stopping impermanence mount with source: $source, target: $target, path: $path."
source_current="${source}"
target_current="${target}"
source_current="$source"
target_current="$target"
IFS='/' read -ra path_parts <<< "${path}"
IFS='/' read -ra path_parts <<< "$path"
unset "path_parts[-1]"
for part in "${path_parts[@]}"; do
source_current="${source_current}/${part}"
target_current="${target_current}/${part}"
source_current="$source_current/$part"
target_current="$target_current/$part"
if [[ ! -d "${target_current}" ]]; then
if [[ ! -d "$target_current" ]]; then
break
fi
if [[ -d "${source_current}" ]]; then
if [[ -d "$source_current" ]]; then
continue
fi
read -r mode owner group <<< "$(stat -c '%a %u %g' "${target_current}")"
install -d -m "${mode}" -o "${owner}" -g "${group}" "${source_current}"
read -r mode owner group <<< "$(stat -c '%a %u %g' "$target_current")"
install -d -m "$mode" -o "$owner" -g "$group" "$source_current"
done
source=$(realpath -m "${source}/${path}")
target=$(realpath -m "${target}/${path}")
source=$(realpath -m "$source/$path")
target=$(realpath -m "$target/$path")
if [[ ! -e "${target}" ]] || { [[ -d "${target}" ]] && [[ -z "$(ls -A "${target}")" ]]; } || { [[ -f "${target}" ]] && [[ ! -s "${target}" ]]; }; then
if [[ ! -e "$target" ]] || { [[ -d "$target" ]] && [[ -z "$(ls -A "$target")" ]]; } || { [[ -f "$target" ]] && [[ ! -s "$target" ]]; }; then
exit 0
fi
if [[ -e "${source}" ]]; then
>&2 echo "Error: Source ${source} already exists. Cannot move ${target} to ${source}."
if [[ -e "$source" ]]; then
>&2 echo "Error: Source $source already exists. Cannot move $target to $source."
exit 1
fi
echo "Moving target ${target} to source ${source}."
mv "${target}" "${source}"
echo "Moving target $target to source $source."
mv "$target" "$source"

View File

@@ -17,11 +17,11 @@ mount "/dev/mapper/$DEVICE" /mnt/btrfs
if [[ -e /mnt/btrfs/@ ]]; then
mkdir -p /mnt/btrfs/@.bak
timestamp=$(date --date="@$(stat -c %Y /mnt/btrfs/@)" "+%Y-%m-%d_%H:%M:%S")
mv /mnt/btrfs/@ "/mnt/btrfs/@.bak/${timestamp}"
mv /mnt/btrfs/@ "/mnt/btrfs/@.bak/$timestamp"
fi
find /mnt/btrfs/@.bak/ -maxdepth 1 -mtime +14 | while IFS= read -r i; do
delete_subvolume_recursively "${i}"
delete_subvolume_recursively "$i"
done
btrfs subvolume create /mnt/btrfs/@