restic scripts: absolute /usr/local/bin/restic — cron PATH lacks it

First cron run (2026-08-28 05:00) failed with 'restic: command not
found'; interactive shells had /usr/local/bin, cron does not.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

restic-incus-backup.sh

@@ -31,6 +31,7 @@ ONLY_INSTANCES=""
 MNT_ROOT=/run/restic-incus
 LOCKFILE=/run/lock/restic-incus-backup.lock
 ENVFILE=/root/.restic-env
+RESTIC=/usr/local/bin/restic   # cron PATH lacks /usr/local/bin
 MOUNT_TIMEOUT=30
 
 usage() {
@@ -105,7 +106,7 @@ for inst in $(incus list --project "$PROJECT" -c n -f csv); do
     fi
 
     log "backup $inst"
-    restic -r "$REPO" backup \
+    $RESTIC -r "$REPO" backup \
         --pack-size 64 --read-concurrency 8 -o s3.connections=8 \
         --tag "$inst" "$mnt" "$MNT_ROOT/$inst.yaml" \
         || { echo "backup of $inst failed" >&2; rc=1; }
@@ -114,7 +115,7 @@ for inst in $(incus list --project "$PROJECT" -c n -f csv); do
 done
 
 log "forget: keep 14d/8w/6m"
-restic -r "$REPO" forget --keep-daily 14 --keep-weekly 8 --keep-monthly 6 || rc=1
+$RESTIC -r "$REPO" forget --keep-daily 14 --keep-weekly 8 --keep-monthly 6 || rc=1
 
 log "done (rc=$rc)"
 exit $rc