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Always clean up

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This commit is contained in:
Andras Schmelczer 2026-03-22 17:41:30 +00:00
parent bfea98db61
commit fd581ef877
1 changed files with 15 additions and 12 deletions
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27
src/backup.sh
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@ -17,18 +17,29 @@ if ! borg info; then
borg init --encryption=repokey
fi
# The above command will fail if the repo hasn't been already initialized,
# The above command will fail if the repo hasn't been already initialized,
# so we can ignore the return status. However, if any of the commands below fail,
# we want to stop the script immediately.
set -e
cleanup() {
if [ -n "${GIT_EXCLUDE_FILE:-}" ] && [ -f "$GIT_EXCLUDE_FILE" ]; then
rm -f "$GIT_EXCLUDE_FILE"
fi
if [ -d "/snapshot/btrfs-root" ]; then
cd /
btrfs subvolume delete /snapshot/btrfs-root || true
fi
}
trap cleanup EXIT
if [ -d "/snapshot/btrfs-root" ]; then
btrfs subvolume delete /snapshot/btrfs-root
fi
btrfs subvolume snapshot /btrfs-root /snapshot
cd "/snapshot/btrfs-root$BACKUP_RELATIVE_PATH"
cd "/snapshot/btrfs-root${BACKUP_RELATIVE_PATH:-}"
# Generate exclusions for git-untracked files if enabled
EXCLUDE_ARGS=(--exclude-from /exclude.conf)
@ -37,12 +48,12 @@ if [ "${IGNORE_GIT_UNTRACKED:-false}" = "true" ]; then
GIT_EXCLUDE_FILE=$(mktemp)
# Find all git repositories and list their untracked files
find . -name .git -type d 2>/dev/null | while read -r gitdir; do
find . -name .git -type d | while read -r gitdir; do
repo_dir=$(dirname "$gitdir")
(
cd "$repo_dir"
# Get untracked files (respecting .gitignore)
git ls-files --others --exclude-standard 2>/dev/null | while read -r file; do
git ls-files --others --exclude-standard | while read -r file; do
# Output path relative to backup root
echo "${repo_dir#./}/$file"
done
@ -62,11 +73,6 @@ borg create --stats \
--compression=zstd,12 \
"${EXCLUDE_ARGS[@]}" ::"{hostname}-{now:%Y-%m-%dT%H:%M:%S}" .
# Clean up temporary exclude file
if [ -n "$GIT_EXCLUDE_FILE" ] && [ -f "$GIT_EXCLUDE_FILE" ]; then
rm -f "$GIT_EXCLUDE_FILE"
fi
cd -
borg prune --list --stats \
@ -76,6 +82,3 @@ borg prune --list --stats \
--keep-yearly="$KEEP_YEARLY"
borg compact --threshold=5 --cleanup-commits --verbose --progress
btrfs subvolume delete /snapshot/btrfs-root