Format time deltas in a readable way instead of in seconds

diff --git a/modules/postgres/templates/backup_server/postgres-make-base-backups.erb b/modules/postgres/templates/backup_server/postgres-make-base-backups.erb
index 18046bb..c60a541 100755 (executable)
--- a/modules/postgres/templates/backup_server/postgres-make-base-backups.erb
+++ b/modules/postgres/templates/backup_server/postgres-make-base-backups.erb
@@ -55,6 +55,14 @@ log() {
     [ "$verbose" -gt 0 ] && echo "$*"
     logger -p daemon.info -t "$SELF" "$*"
 }
+format_timedelta() {
+    local secs="$1"; shift
+    if [ "$secs" -ge 86400 ]; then
+        printf '%dd %02d:%02d:%02d\n' $(($secs/3600/24)) $(($secs/3600%24)) $(($secs/60%60)) $(($secs%60))
+    else
+        printf '%02d:%02d:%02d\n' $(($secs/3600)) $(($secs/60%60)) $(($secs%60))
+    fi
+}
 
 
 if [ "${1:-}" = "-h" ] || [ "${1:-}" = "--help" ]; then
@@ -104,7 +112,7 @@ while read host port username  cluster version; do
             delta=$(( now - mtime ))
             if [ "$delta" -lt "$MIN_WAIT" ]; then
                 runme=0
-                log "Skipping $host:$port $version/$cluster because last attempt was only ${delta}s ago."
+                log "Skipping $host:$port $version/$cluster because last attempt was only $(format_timedelta "${delta}") ago."
             else
                 if ! [ -e "$flagfilesuccess" ]; then
                     runme=1
@@ -114,10 +122,10 @@ while read host port username  cluster version; do
                     delta=$(( now - mtime ))
                     if [ "$delta" -lt "$MIN_WAIT_SUCCESS" ]; then
                         runme=0
-                        log "Skipping $host:$port $version/$cluster because last success was only ${delta}s ago."
+                        log "Skipping $host:$port $version/$cluster because last success was only $(format_timedelta "${delta}") ago."
                     elif [ "$delta" -gt "$MAX_WAIT_SUCCESS" ]; then
                         runme=1
-                        log "Planning to run $host:$port $version/$cluster because last success was ${delta}s ago."
+                        log "Planning to run $host:$port $version/$cluster because last success was $(format_timedelta "${delta}") ago."
                     else
                         # get a "randomish" but stable value for this backup run
                         val=$(echo "$MYHOSTNAME-$host-$port-$mtime" | sha256sum | head -c 8)