}
ExecJob() {
- what="$1"
- cmd="$2"
+ local what="$1"
+ local cmd="$2"
echo "Running job ${what}-exec command ..."
[ "$local" -eq 0 ] \
echo -n "Start date (${what}-exec): "; date
echo "$cmd"
if [ "$DRYRUN" -eq 0 ]; then
- $SHELL -c "$cmd"; ret=$?
+ $SHELL -c "$cmd"; local ret=$?
else
echo " *** Trial run, not executing ${what}-exec command!"
ret=0
}
GetFS() {
- dir="$1"
+ local dir="$1"
+
while [ -n "$dir" ]; do
- findmnt -fn -o FSTYPE --raw "$dir" 2>/dev/null; r=$?
+ findmnt -fn -o FSTYPE --raw "$dir" 2>/dev/null; local r=$?
if [ $r -eq 0 ]; then
return 0
elif [ $r -eq 127 ]; then
}
CreateSubvolume() {
- volume="$1"
+ local volume="$1"
+ local fs
+ local dir
dir=$(dirname "$volume")
fs=$(GetFS "$dir")
}
CloneSubvolume() {
- source="$1"
- volume="$2"
+ local source="$1"
+ local volume="$2"
+ local snapshot="$3"
+ local dir
+ local fs
dir=$(dirname "source")
fs=$(GetFS "$source")
case "$fs" in
"btrfs")
- btrfs subvolume snapshot "$source" "$volume" >/dev/null || return 1
+ btrfs subvolume snapshot "$source" "$snapshot" >/dev/null || return 1
;;
*)
echo "CloneSubvolume: Incompatible FS type \"$fs\" on \"$source\"!"
}
RenameSubvolume() {
- source="$1"
- target="$2"
+ local source="$1"
+ local target="$2"
+ local fs
fs=$(GetFS "$source")
case "$fs" in
}
DeleteSubvolume() {
- volume="$1"
+ local volume="$1"
+ local fs
fs=$(GetFS "$source")
case "$fs" in
job_pre_exec="$default_job_pre_exec"
job_post_exec="$default_job_post_exec"
+ # Compatibility with backup-pull(1) script: Save global values ...
+ pre_exec_saved="$pre_exec"
+ post_exec_saved="$post_exec"
+
+ # Compatibility with backup-pull(1) script: Set defaults
+ unset host
+ unset source
+ unset pre_exec
+ unset post_exec
+
# Read in system configuration file
source "$f"
+ # Compatibility with backup-pull(1) script: Fix up configuration
+ [ "$system" = "$fname" -a -n "$host" ] \
+ && system="$host"
+ [ "$source_root" = "$default_source_root" -a -n "$source" ] \
+ && source_root="$source"
+ [ -z "$job_pre_exec" -a -n "$pre_exec" ] \
+ && job_pre_exec="$pre_exec"
+ [ -z "$job_post_exec" -a -n "$post_exec" ] \
+ && job_post_exec="$post_exec"
+
+ # Compatibility with backup-pull(1) script: Restore global values ...
+ pre_exec="$pre_exec_saved"
+ post_exec="$post_exec_saved"
+
# Validate configuration
[ "$system" = "localhost" -o "$system" = "127.0.0.1" ] && local=1
fi
fi
sys_target="$sys_target/$(date +%Y%m%d-%H%M%S)"
+ snapshot="$sys_target"
if [ -n "$last" -a ! -e "$last/.stamp" ]; then
# Old backup directory without "stamp file", continue
# Old backup directory found, create new snapshot
echo "Found last snapshot in \"$last\"."
if [ "$DRYRUN" -eq 0 ]; then
- CloneSubvolume "$last" "$sys_target"; r=$?
+ CloneSubvolume "$last" "$sys_target" "$snapshot"; r=$?
if [ $r -ne 0 ]; then
- echo "Can't create snapshot \"$sys_target\" of \"$last\", code $r!? \"$system\" skipped!"
+ echo "Can't create snapshot \"$snapshot\" of \"$last\", code $r!? \"$system\" skipped!"
echo; continue
fi
- echo "Created new snapshot in \"$sys_target\"."
+ echo "Created new snapshot in \"$snapshot\"."
else
echo " *** Trial run, not creating new snapshot in \"$sys_target\"!"
fi
ln -s "$sys_target" "$sys_root/latest"
fi
# Clean up old generations
- to_delete=$(ls -1t "$sys_root" 2>/dev/null | tail -n+$generations | sort)
declare -i gen_count=$generations+2
+ to_delete=$(ls -1t "$sys_root" 2>/dev/null | tail -n+$gen_count | sort)
if [ -n "$to_delete" -a $ok -eq 1 ]; then
[ "$DRYRUN" -eq 0 ] \
&& echo "Deleting old backup generations (keep $generations) ..." \