1 files changed, 6 insertions, 3 deletions

diff --git a/tarship.sh b/tarship.sh
index 661d77b..cf03a1b 100755
--- a/tarship.sh
+++ b/tarship.sh
@@ -8,13 +8,15 @@ backup)
     SRC="${2:?$USAGE}" DEST="${3:?$USAGE}" NAME="$(basename "$SRC").tar.gz"
     [ ! -d "$SRC" ] && echo "Error: not a directory: $SRC" && exit 1
     du -sh "$SRC"; SIZE=$(du -sb "$SRC" | awk '{print $1}'); LHASH=$(mktemp); trap "rm -f $LHASH" EXIT
-    if [[ "$DEST" == *:* ]]; then # remote: tar+pigz stream over ssh, tee hash both sides
+    # remote: tar+pigz stream over ssh, tee hash both sides
+    if [[ "$DEST" == *:* ]]; then
         H="${DEST%%:*}" D="${DEST#*:}"; echo "→ ${H}:${D}/${NAME}"
         RHASH=$(tar cf - "$SRC" | pv -s "$SIZE" | pigz -1 | tee >(sha256sum | awk '{print $1}' > "$LHASH") | ssh "$H" "h=\$(tee ${D}/${NAME} | sha256sum | awk '{print \$1}'); echo \$h > ${D}/${NAME}.sha256; echo \$h")
         L=$(cat "$LHASH"); echo "Local:  $L"; echo "Remote: $RHASH"
         [ "$L" = "$RHASH" ] && echo "Checksum OK" || { echo "CHECKSUM MISMATCH!"; exit 1; }
         echo "Verify:  ssh $H \"sha256sum ${D}/${NAME}\""
-    else # local: tar+pigz to file, write .sha256 sidecar
+    # local: tar+pigz to file, write .sha256 sidecar
+    else
         echo "→ $DEST/$NAME"
         tar cf - "$SRC" | pv -s "$SIZE" | pigz -1 > "$DEST/$NAME"
         sha256sum "$DEST/$NAME" | awk '{print $1}' > "$DEST/$NAME.sha256"
@@ -25,7 +27,8 @@ restore)
     FILE="${2:?$USAGE}"
     [[ "$FILE" == *.tar.gz ]] && [ -f "$FILE" ] || { echo "Error: not a .tar.gz file: $FILE"; exit 1; }
     echo "$FILE ($(numfmt --to=iec $(stat -c%s "$FILE"))) → $(pwd)"
-    if [ -f "$FILE.sha256" ]; then # verify checksum before extracting
+    # verify checksum before extracting
+    if [ -f "$FILE.sha256" ]; then
         echo "Verifying..."; EXP=$(cat "$FILE.sha256"); ACT=$(sha256sum "$FILE" | awk '{print $1}')
         [ "$EXP" = "$ACT" ] && echo "Checksum OK" || { echo "CHECKSUM MISMATCH!"; exit 1; }
     else echo "Warning: no .sha256 file, skipping verification"; fi