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fix srcs order in the case of folder of snapshots

This commit is contained in:
nacho 2018-03-12 09:26:00 +01:00
parent 3e456fa85d
commit e1d774926d
1 changed files with 23 additions and 17 deletions
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btrfs-sync
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@ -106,13 +106,18 @@ DST="${@: -1}"
${DST_CMD[@]} true &>/dev/null || { echo "SSH access error to $NET" ; exit 1; }
## src checks
for s in "${SRC[@]}"; do
src="$(cd "$s" &>/dev/null && pwd)" || { echo "$s not found"; exit 1; } #abspath
btrfs subvolume show "$src" &>/dev/null && SRCS+=( "$src" ) || \
for dir in $( ls -drt "$src"/* 2>/dev/null ); do
btrfs subvolume show "$dir" &>/dev/null && SRCS+=( "$dir" )
done
done
while read entry; do SRCS+=( "$entry" ); done < <(
for s in "${SRC[@]}"; do
src="$(cd "$s" &>/dev/null && pwd)" || { echo "$s not found"; exit 1; } #abspath
btrfs subvolume show "$src" &>/dev/null && echo "0|$src" || \
for dir in $( ls -drt "$src"/* 2>/dev/null ); do
btrfs subvolume show "$dir" &>/dev/null || continue
DATE="$( btrfs su sh "$dir" | grep "Creation time:" | awk '{ print $3, $4 }' )"
SECS=$( date -d "$DATE" +"%s" )
echo "$SECS|$dir"
done
done | sort -V | sed 's=.*|=='
)
[[ ${#SRCS[@]} -eq 0 ]] && { echo "no BTRFS subvolumes found"; exit 1; }
## check pbzip2
@ -156,7 +161,7 @@ get_dst_snapshots() {
## sync incrementally
sync_snapshot() {
local SRC="$1"
local ID LIST PATH_ DATE SECS SEEDS SEED SEED_PATH SEED_ARG
local ID LIST PATH_ DATE SECS SEED SEED_PATH SEED_ARG
# detect existing
SRC_UUID=$( btrfs su sh "$SRC" | grep "UUID:" | head -1 | awk '{ print $2 }' )
@ -166,17 +171,18 @@ sync_snapshot() {
# try to get most recent src snapshot that exists in dst to use as a seed
LIST="$( btrfs subvolume list -su "$SRC" )"
for id in "${DST_UUIDS[@]}"; do
ID=$(btrfs su sh -u "$id" "$SRC" 2>/dev/null|grep "UUID:"|head -1|awk '{print $2}')
PATH_=$( awk "{ if ( \$14 == \"$ID\" ) print \$16 }" <<<"$LIST" )
DATE=$( awk "{ if ( \$14 == \"$ID\" ) print \$11, \$12 }" <<<"$LIST" )
SEED=$(
for id in "${DST_UUIDS[@]}"; do
ID=$(btrfs su sh -u "$id" "$SRC" 2>/dev/null|grep "UUID:"|head -1|awk '{print $2}')
PATH_=$( awk "{ if ( \$14 == \"$ID\" ) print \$16 }" <<<"$LIST" )
DATE=$( awk "{ if ( \$14 == \"$ID\" ) print \$11, \$12 }" <<<"$LIST" )
[[ "$ID" == "" ]] || [[ "$PATH_" == "$( basename "$SRC" )" ]] && continue
[[ "$ID" == "" ]] || [[ "$PATH_" == "$( basename "$SRC" )" ]] && continue
SECS=$( date -d "$DATE" +"%s" )
SEEDS+=( "$SECS|$PATH_" )
done
SEED="$(for s in "${SEEDS[@]}";do echo "$s";done|sort -V|tail -1|cut -f2 -d'|')"
SECS=$( date -d "$DATE" +"%s" )
echo "$SECS|$PATH_"
done | sort -V | tail -1 | cut -f2 -d'|'
)
# incremental sync argument
[[ "$SEED" != "" ]] && {